6QZS

14-3-3 sigma in complex with FOXO1 pS256 peptide

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations
Protein Modification Annotation

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	14-3-3 protein	8082819	3001329	SCOP2B (2022-06-29)
C [auth B]	SCOP2B Superfamily	14-3-3 protein	8082819	3001329	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	14-3-3	e6qzsA1	A: alpha superhelices	X: Repetitive alpha hairpins	H: ARM repeat (From Topology)	T: ARM repeat	F: 14-3-3	ECOD (1.6)
C [auth B]	14-3-3	e6qzsB1	A: alpha superhelices	X: Repetitive alpha hairpins	H: ARM repeat (From Topology)	T: ARM repeat	F: 14-3-3	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.20.190.20	Mainly Alpha	Up-down Bundle	Delta-Endotoxin	domain 1	CATH (utative)
C [auth B]	1.20.190.20	Mainly Alpha	Up-down Bundle	Delta-Endotoxin	domain 1	CATH (utative)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, C [auth B]	PF00244	14-3-3 protein (14-3-3)	14-3-3 protein	-	Repeat

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, C [auth B]	14-3-3 protein sigma	phosphoprotein binding protein binding binding phosphoserine residue binding protein phosphorylated amino acid binding enzyme regulator activity protein kinase inhibitor activity molecular function inhibitor activity molecular function regulator activity enzyme inhibitor activity protein kinase C inhibitor activity protein kinase regulator activity protein serine/threonine kinase inhibitor activity kinase inhibitor activity phosphoprotein binding protein binding binding phosphoserine residue binding protein phosphorylated amino acid binding enzyme regulator activity protein kinase inhibitor activity molecular function inhibitor activity molecular function regulator activity enzyme inhibitor activity protein kinase C inhibitor activity protein kinase regulator activity protein serine/threonine kinase inhibitor activity kinase inhibitor activity kinase regulator activity molecular sequestering activity protein sequestering activity kinase binding enzyme binding protein kinase binding cell adhesion molecule binding cadherin binding identical protein binding	regulation of biological process regulation of growth regulation of cellular process regulation of cellular component organization positive regulation of biological process biological regulation growth positive regulation of cell growth regulation of cell growth cell growth cellular component organization positive regulation of growth cellular process cellular component organization or biogenesis regulation of biological process regulation of growth regulation of cellular process regulation of cellular component organization positive regulation of biological process biological regulation growth positive regulation of cell growth regulation of cell growth cell growth cellular component organization positive regulation of growth cellular process cellular component organization or biogenesis positive regulation of cellular process protein localization localization cellular localization cellular macromolecule localization macromolecule localization regulation of localization regulation of protein localization negative regulation of biological process negative regulation of protein localization to plasma membrane negative regulation of cellular process regulation of protein localization to membrane negative regulation of protein localization protein localization to cell periphery protein localization to plasma membrane localization within membrane regulation of protein localization to cell periphery protein localization to membrane negative regulation of protein localization to membrane regulation of cellular localization negative regulation of protein localization to cell periphery regulation of protein localization to plasma membrane establishment of protein localization nitrogen compound transport nucleocytoplasmic transport transport nuclear transport intracellular transport protein export from nucleus establishment of localization protein transport establishment of localization in cell nuclear export intracellular protein transport epidermal cell division cell division regulation of epidermal cell division regulation of cell division developmental process establishment of skin barrier epithelium development skin development skin epidermis development epidermis development anatomical structure development animal organ development tissue development regulation of defense response regulation of response to biotic stimulus biological process involved in interspecies interaction between organisms negative regulation of response to biotic stimulus response to stimulus regulation of response to external stimulus response to biotic stimulus response to stress regulation of response to stress innate immune response regulation of immune system process response to external biotic stimulus negative regulation of response to stimulus immune response response to other organism defense response regulation of innate immune response negative regulation of immune response defense response to symbiont response to external stimulus regulation of response to stimulus negative regulation of immune system process immune system process defense response to other organism negative regulation of response to external stimulus negative regulation of defense response regulation of immune response negative regulation of innate immune response cell population proliferation epithelial cell proliferation keratinocyte proliferation cellular response to stimulus signaling intracellular signal transduction cell communication protein kinase A signaling signal transduction cell adhesion cell-cell adhesion regulation of cell adhesion regulation of cell-cell adhesion negative regulation of cell population proliferation regulation of stem cell proliferation negative regulation of stem cell proliferation stem cell proliferation regulation of cell population proliferation positive regulation of cell adhesion regulation of protein modification process regulation of catalytic activity regulation of protein phosphorylation negative regulation of phosphate metabolic process negative regulation of catalytic activity regulation of transferase activity regulation of primary metabolic process negative regulation of kinase activity negative regulation of transferase activity regulation of phosphate metabolic process phosphate-containing compound metabolic process negative regulation of protein modification process protein metabolic process phosphorus metabolic process protein modification process negative regulation of protein metabolic process negative regulation of macromolecule metabolic process protein phosphorylation phosphorylation regulation of protein metabolic process negative regulation of metabolic process negative regulation of molecular function primary metabolic process negative regulation of protein kinase activity regulation of protein kinase activity regulation of macromolecule metabolic process regulation of molecular function regulation of kinase activity negative regulation of protein phosphorylation macromolecule modification negative regulation of phosphorus metabolic process regulation of phosphorylation regulation of phosphorus metabolic process metabolic process macromolecule metabolic process negative regulation of phosphorylation regulation of metabolic process positive regulation of nucleocytoplasmic transport positive regulation of establishment of protein localization positive regulation of protein transport positive regulation of intracellular transport regulation of protein export from nucleus regulation of intracellular transport regulation of transport regulation of establishment of protein localization regulation of nucleocytoplasmic transport regulation of protein transport positive regulation of protein export from nucleus positive regulation of transport positive regulation of protein localization regulation of intracellular protein transport positive regulation of intracellular protein transport cell death apoptotic signaling pathway cellular response to stress DNA damage response intrinsic apoptotic signaling pathway in response to DNA damage apoptotic process intrinsic apoptotic signaling pathway programmed cell death multicellular organismal process keratinization epidermal cell differentiation cellular developmental process epithelial cell differentiation cell differentiation keratinocyte differentiation keratinocyte development cell development epithelial cell development regulation of keratinocyte proliferation negative regulation of keratinocyte proliferation regulation of epithelial cell proliferation negative regulation of epithelial cell proliferation cell cycle regulation of cell cycle RNA metabolic process negative regulation of RNA biosynthetic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process regulation of RNA metabolic process transcription by RNA polymerase II negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process regulation of biosynthetic process regulation of transcription by RNA polymerase II negative regulation of DNA-templated transcription negative regulation of transcription by RNA polymerase II nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of gene expression biosynthetic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process regulation of macromolecule biosynthetic process regulation of DNA-templated transcription negative regulation of RNA metabolic process apoptotic mitochondrial changes release of cytochrome c from mitochondria organelle organization mitochondrion organization regulation of developmental process regulation of epidermal cell differentiation regulation of cell differentiation regulation of epithelial cell differentiation positive regulation of developmental process multicellular organism development positive regulation of cell differentiation regulation of multicellular organismal process regulation of multicellular organismal development positive regulation of epidermis development positive regulation of epithelial cell differentiation regulation of epidermis development positive regulation of epidermal cell differentiation	extracellular exosome membrane-bounded organelle extracellular vesicle cellular anatomical structure extracellular organelle extracellular region organelle extracellular space vesicle extracellular membrane-bounded organelle intracellular anatomical structure cytoplasm cytosol intracellular organelle extracellular exosome membrane-bounded organelle extracellular vesicle cellular anatomical structure extracellular organelle extracellular region organelle extracellular space vesicle extracellular membrane-bounded organelle intracellular anatomical structure cytoplasm cytosol intracellular organelle nucleus intracellular membrane-bounded organelle
B [auth P], D [auth C]	FOXO1 pS256 site	binding organic cyclic compound binding nucleic acid binding sequence-specific DNA binding DNA binding chromatin binding promoter-specific chromatin binding DNA-binding transcription factor activity, RNA polymerase II-specific transcription regulator activity DNA-binding transcription factor activity ubiquitin protein ligase binding protein binding ubiquitin-like protein ligase binding enzyme binding binding organic cyclic compound binding nucleic acid binding sequence-specific DNA binding DNA binding chromatin binding promoter-specific chromatin binding DNA-binding transcription factor activity, RNA polymerase II-specific transcription regulator activity DNA-binding transcription factor activity ubiquitin protein ligase binding protein binding ubiquitin-like protein ligase binding enzyme binding DNA-binding transcription activator activity, RNA polymerase II-specific DNA-binding transcription activator activity protein phosphatase binding phosphatase binding protein phosphatase 2A binding DNA-binding transcription repressor activity, RNA polymerase II-specific DNA-binding transcription repressor activity double-stranded DNA binding RNA polymerase II transcription regulatory region sequence-specific DNA binding cis-regulatory region sequence-specific DNA binding sequence-specific double-stranded DNA binding transcription cis-regulatory region binding transcription regulatory region nucleic acid binding RNA polymerase II cis-regulatory region sequence-specific DNA binding chromatin DNA binding beta-catenin binding	cellular response to stimulus cellular response to stress response to stimulus DNA damage response response to stress cellular process regulation of cellular process signaling negative regulation of signaling negative regulation of intracellular signal transduction negative regulation of stress-activated MAPK cascade negative regulation of biological process regulation of cellular response to stress regulation of signal transduction cellular response to stimulus cellular response to stress response to stimulus DNA damage response response to stress cellular process regulation of cellular process signaling negative regulation of signaling negative regulation of intracellular signal transduction negative regulation of stress-activated MAPK cascade negative regulation of biological process regulation of cellular response to stress regulation of signal transduction intracellular signal transduction negative regulation of cell communication cell communication stress-activated MAPK cascade regulation of intracellular signal transduction regulation of response to stress intracellular signaling cassette negative regulation of cellular process signal transduction regulation of biological process regulation of signaling negative regulation of response to stimulus biological regulation regulation of stress-activated protein kinase signaling cascade regulation of MAPK cascade negative regulation of signal transduction regulation of stress-activated MAPK cascade stress-activated protein kinase signaling cascade regulation of response to stimulus negative regulation of stress-activated protein kinase signaling cascade MAPK cascade regulation of cell communication negative regulation of MAPK cascade cellular homeostasis chemical homeostasis homeostatic process glucose homeostasis carbohydrate homeostasis intracellular chemical homeostasis intracellular glucose homeostasis cell surface receptor signaling pathway canonical Wnt signaling pathway Wnt signaling pathway catabolic process autophagy metabolic process process utilizing autophagic mechanism cell population proliferation regulation of cell population proliferation neural precursor cell proliferation regulation of neural precursor cell proliferation apoptotic process cell death programmed cell death cellular response to oxygen levels cellular response to hyperoxia cellular response to chemical stress cellular response to increased oxygen levels response to hyperoxia cellular response to chemical stimulus response to chemical response to oxygen levels response to abiotic stimulus response to increased oxygen levels regulation of canonical Wnt signaling pathway negative regulation of Wnt signaling pathway regulation of Wnt signaling pathway negative regulation of canonical Wnt signaling pathway positive regulation of programmed cell death regulation of apoptotic process positive regulation of biological process regulation of programmed cell death positive regulation of apoptotic process positive regulation of cellular process response to oxidative stress cellular response to oxidative stress cellular response to nutrient levels response to nutrient levels response to starvation cellular response to starvation developmental process fat cell differentiation cellular developmental process cell differentiation multicellular organism development multicellular organismal process anatomical structure development vasculature development blood vessel development system development circulatory system development positive regulation of DNA-templated transcription RNA metabolic process positive regulation of macromolecule biosynthetic process regulation of primary metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process positive regulation of metabolic process DNA-templated transcription regulation of RNA metabolic process transcription by RNA polymerase II positive regulation of biosynthetic process positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process regulation of biosynthetic process regulation of transcription by RNA polymerase II positive regulation of nucleobase-containing compound metabolic process primary metabolic process regulation of macromolecule metabolic process positive regulation of transcription by RNA polymerase II nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process positive regulation of RNA metabolic process regulation of gene expression biosynthetic process positive regulation of RNA biosynthetic process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of DNA-templated transcription regulation of metabolic process positive regulation of autophagy regulation of catabolic process regulation of autophagy positive regulation of catabolic process neuronal stem cell population maintenance maintenance of cell number stem cell population maintenance cellular response to nitrogen compound response to oxygen-containing compound response to nitrogen compound cellular response to oxygen-containing compound cellular response to nitric oxide response to nitric oxide cellular response to reactive nitrogen species negative regulation of RNA biosynthetic process negative regulation of nucleobase-containing compound metabolic process negative regulation of macromolecule metabolic process negative regulation of DNA-templated transcription negative regulation of metabolic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process negative regulation of RNA metabolic process regulation of developmental process negative regulation of developmental process regulation of cell differentiation negative regulation of fat cell differentiation negative regulation of cell differentiation regulation of fat cell differentiation monosaccharide metabolic process gluconeogenesis regulation of small molecule metabolic process small molecule metabolic process regulation of carbohydrate metabolic process regulation of glucose metabolic process positive regulation of gluconeogenesis carbohydrate metabolic process small molecule biosynthetic process carbohydrate biosynthetic process hexose metabolic process monosaccharide biosynthetic process hexose biosynthetic process positive regulation of glucose metabolic process regulation of gluconeogenesis positive regulation of carbohydrate metabolic process regulation of carbohydrate biosynthetic process positive regulation of small molecule metabolic process glucose metabolic process negative regulation of programmed cell death negative regulation of apoptotic process multicellular organismal-level homeostasis energy homeostasis positive regulation of protein metabolic process macromolecule catabolic process protein metabolic process regulation of protein metabolic process protein catabolic process positive regulation of protein catabolic process regulation of protein catabolic process regulation of DNA-templated transcription initiation transcription initiation at RNA polymerase II promoter DNA-templated transcription initiation regulation of transcription initiation by RNA polymerase II protein localization negative regulation of protein transport regulation of localization establishment of protein localization nitrogen compound transport negative regulation of transport localization negative regulation of secretion cellular macromolecule localization negative regulation of hormone secretion negative regulation of secretion by cell regulation of biological quality regulation of peptide hormone secretion negative regulation of peptide hormone secretion regulation of hormone levels establishment of protein localization to extracellular region negative regulation of establishment of protein localization protein secretion establishment of localization regulation of protein secretion regulation of secretion negative regulation of protein secretion cellular localization regulation of hormone secretion regulation of protein localization regulation of peptide secretion transport hormone secretion protein localization to extracellular region negative regulation of peptide secretion peptide secretion secretion by cell regulation of secretion by cell amide transport signal release negative regulation of protein localization secretion regulation of transport regulation of peptide transport regulation of establishment of protein localization cell-cell signaling export from cell regulation of protein transport peptide transport negative regulation of insulin secretion protein transport regulation of cellular localization regulation of insulin secretion peptide hormone secretion macromolecule localization hormone transport insulin secretion positive regulation of smooth muscle cell apoptotic process muscle cell apoptotic process smooth muscle cell apoptotic process regulation of muscle cell apoptotic process regulation of smooth muscle cell apoptotic process positive regulation of muscle cell apoptotic process protein acetylation macromolecule modification protein modification process protein acylation response to peptide hormone insulin receptor signaling pathway cell surface receptor protein tyrosine kinase signaling pathway cellular response to endogenous stimulus response to hormone enzyme-linked receptor protein signaling pathway cellular response to hormone stimulus response to endogenous stimulus cellular response to peptide hormone stimulus response to insulin cellular response to insulin stimulus temperature homeostasis cellular response to cold response to cold response to temperature stimulus negative regulation of muscle adaptation system process striated muscle adaptation negative regulation of muscle hypertrophy regulation of system process regulation of muscle hypertrophy regulation of cardiac muscle hypertrophy in response to stress muscle adaptation cardiac muscle adaptation cardiac muscle hypertrophy regulation of multicellular organismal process cardiac muscle hypertrophy in response to stress muscle hypertrophy regulation of muscle adaptation negative regulation of cardiac muscle hypertrophy in response to stress striated muscle hypertrophy regulation of muscle system process muscle system process regulation of cardiac muscle hypertrophy negative regulation of cardiac muscle adaptation negative regulation of multicellular organismal process regulation of cardiac muscle adaptation negative regulation of cardiac muscle hypertrophy muscle hypertrophy in response to stress response to lipid response to fatty acid reactive oxygen species metabolic process regulation of reactive oxygen species metabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol intracellular organelle organelle membraneless organelle intracellular membraneless organelle chromatin chromosome membrane-bounded organelle mitochondrion intracellular membrane-bounded organelle nucleus cellular anatomical structure intracellular anatomical structure cytoplasm cytosol intracellular organelle organelle membraneless organelle intracellular membraneless organelle chromatin chromosome membrane-bounded organelle mitochondrion intracellular membrane-bounded organelle nucleus membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, C [auth B]	IPR023409	14-3-3 protein, conserved site	Conserved Site
A, C [auth B]	IPR023410	14-3-3 domain	Domain
A, C [auth B]	IPR037435	14-3-3 protein sigma	Family
A, C [auth B]	IPR036815	14-3-3 domain superfamily	Homologous Superfamily
A, C [auth B]	IPR000308	14-3-3 protein	Family
B [auth P], D [auth C]	IPR001766	Fork head domain	Domain
B [auth P], D [auth C]	IPR032068	FOXO protein, KIX-binding domain	Domain
B [auth P], D [auth C]	IPR036388	Winged helix-like DNA-binding domain superfamily	Homologous Superfamily
B [auth P], D [auth C]	IPR036390	Winged helix DNA-binding domain superfamily	Homologous Superfamily
B [auth P], D [auth C]	IPR030456	Fork head domain conserved site 2	Conserved Site
B [auth P], D [auth C]	IPR032067	FOXO protein, transactivation domain	Domain
B [auth P], D [auth C]	IPR047408	Forkhead box protein O1, forkhead domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, C [auth B]	Pharos: P31947	esophageal squamous cell carcinoma squamous cell carcinoma esophageal cancer Lymphatic Metastasis keloid lung adenocarcinoma malignant pancreatic neoplasm non-small cell lung carcinoma ovarian cancer pancreatic intraductal papillary-mucinous neoplasm sarcoidosis cystic fibrosis interstitial cystitis malignant mesothelioma oral cavity neoplasm esophageal squamous cell carcinoma squamous cell carcinoma esophageal cancer Lymphatic Metastasis keloid lung adenocarcinoma malignant pancreatic neoplasm non-small cell lung carcinoma ovarian cancer pancreatic intraductal papillary-mucinous neoplasm sarcoidosis cystic fibrosis interstitial cystitis malignant mesothelioma oral cavity neoplasm pancreatic ductal adenocarcinoma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia atypical teratoid rhabdoid tumor spina bifida diabetes mellitus malignant ependymoma neoplasm of esophagus osteosarcoma pancreatic intraductal papillary-mucinous carcinoma psoriasis breast cancer ductal breast carcinoma in situ hepatocellular carcinoma large cell medulloblastoma lung cancer malignant glioma
B [auth P], D [auth C]	Pharos: Q12778	alveolar rhabdomyosarcoma keratoconus acute myeloid leukemia prostate cancer pulmonary hypertension cancer lung cancer medulloblastoma obesity disorder pancreatic intraductal papillary-mucinous carcinoma allergic rhinitis type 2 diabetes mellitus breast carcinoma dermatomyositis ductal breast carcinoma in situ alveolar rhabdomyosarcoma keratoconus acute myeloid leukemia prostate cancer pulmonary hypertension cancer lung cancer medulloblastoma obesity disorder pancreatic intraductal papillary-mucinous carcinoma allergic rhinitis type 2 diabetes mellitus breast carcinoma dermatomyositis ductal breast carcinoma in situ inborn carbohydrate metabolic disorder large cell medulloblastoma malignant ependymoma myopathy osteosarcoma Pick disease Prostatic Neoplasms rhabdomyosarcoma breast fibroadenoma diffuse large B-cell lymphoma endometriosis invasive ductal breast carcinoma lung adenocarcinoma malignant mesothelioma neoplasm ovarian cancer pituitary cancer psoriasis tuberculosis breast cancer hyperglycemia

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A, C [auth B]	CSO	Parent Component: CYS RESID: AA0205 PSI-MOD : L-cysteine sulfenic acid MOD:00210
B [auth P], D [auth C]	SEP	Parent Component: SER RESID: AA0205 , AA0037 PSI-MOD : L-cysteine sulfenic acid MOD:00210 , O-phospho-L-serine MOD:00046

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.