Annotations: 2AFF

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2affa_	All beta proteins	SMAD/FHA domain	SMAD/FHA domain	FHA domain	Antigen ki-67	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	FHA domain	8024600	4002605	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	SMAD/FHA domain-like	8036979	3000137	SCOP2 (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	FHA	e2affA1	A: beta sandwiches	X: SMAD/FHA domain (From Topology)	H: SMAD/FHA domain (From Topology)	T: SMAD/FHA domain	F: FHA	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.60.200.20	Mainly Beta	Sandwich	Tumour Suppressor Smad4		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00498	FHA domain (FHA)	FHA domain	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Antigen KI-67	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding DNA binding nucleic acid binding molecular condensate scaffold activity protein-macromolecule adaptor activity molecular adaptor activity RNA binding	regulation of chromosome segregation regulation of biological process regulation of cellular process regulation of cell cycle process biological regulation cellular process cell cycle regulation of cell cycle chromosome segregation cell cycle process mitotic nuclear division regulation of cellular component organization organelle fission regulation of mitotic nuclear division regulation of chromosome segregation regulation of biological process regulation of cellular process regulation of cell cycle process biological regulation cellular process cell cycle regulation of cell cycle chromosome segregation cell cycle process mitotic nuclear division regulation of cellular component organization organelle fission regulation of mitotic nuclear division regulation of organelle organization mitotic cell cycle cellular component organization regulation of mitotic cell cycle organelle organization nuclear division mitotic cell cycle process regulation of nuclear division cellular component organization or biogenesis cell population proliferation regulation of chromatin organization chromatin organization	membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membraneless organelle intracellular membrane-bounded organelle nucleolus intracellular organelle lumen intracellular organelle cellular anatomical structure organelle lumen organelle membraneless organelle nuclear lumen membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membraneless organelle intracellular membrane-bounded organelle nucleolus intracellular organelle lumen intracellular organelle cellular anatomical structure organelle lumen organelle membraneless organelle nuclear lumen chromosome condensed chromosome membrane nuclear body nucleoplasm
B	MKI67 FHA domain interacting nucleolar phosphoprotein	RNA binding binding nucleic acid binding	cellular component organization cellular component biogenesis cellular component assembly protein-containing complex organization protein-containing complex assembly cellular process cellular component organization or biogenesis RNA metabolic process primary metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process cellular component organization cellular component biogenesis cellular component assembly protein-containing complex organization protein-containing complex assembly cellular process cellular component organization or biogenesis RNA metabolic process primary metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process DNA-templated transcription nucleic acid biosynthetic process biosynthetic process rRNA transcription metabolic process macromolecule metabolic process rRNA metabolic process	membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membraneless organelle intracellular membrane-bounded organelle nucleolus intracellular organelle lumen intracellular organelle cellular anatomical structure organelle lumen organelle membraneless organelle nuclear lumen membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membraneless organelle intracellular membrane-bounded organelle nucleolus intracellular organelle lumen intracellular organelle cellular anatomical structure organelle lumen organelle membraneless organelle nuclear lumen chromosome condensed nuclear chromosome nuclear chromosome condensed chromosome cytoplasm nucleoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR008984	SMAD/FHA domain superfamily	Homologous Superfamily
A	IPR000253	Forkhead-associated (FHA) domain	Domain
A	IPR012568	KI67R	Repeat
A	IPR029334	Protein phosphatase 1 binding domain	Domain
B	IPR021043	MKI67 FHA domain-interacting nucleolar phosphoprotein, FHA Ki67 binding	Domain
B	IPR000504	RNA recognition motif domain	Domain
B	IPR012677	Nucleotide-binding alpha-beta plait domain superfamily	Homologous Superfamily
B	IPR035979	RNA-binding domain superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: P46013	psoriasis mesenchymal chondrosarcoma malignant colon neoplasm granular cell carcinoma adenocarcinoma lung adenocarcinoma breast carcinoma ovarian cancer peripheral nervous system disease colorectal cancer Copper-Overload Cirrhosis peripheral neuropathy tubular adenocarcinoma breast cancer ductal breast carcinoma in situ psoriasis mesenchymal chondrosarcoma malignant colon neoplasm granular cell carcinoma adenocarcinoma lung adenocarcinoma breast carcinoma ovarian cancer peripheral nervous system disease colorectal cancer Copper-Overload Cirrhosis peripheral neuropathy tubular adenocarcinoma breast cancer ductal breast carcinoma in situ pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia primitive neuroectodermal tumor hepatocellular carcinoma pustulosis palmaris et plantaris invasive ductal breast carcinoma ulcerative colitis malignant ependymoma atypical teratoid rhabdoid tumor colonic neoplasm cribriform carcinoma of breast pancreatic intraductal papillary-mucinous carcinoma endometriosis hepatitis IgA glomerulonephritis spina bifida large cell medulloblastoma lung cancer adrenal cortex carcinoma malignant glioma benign colon neoplasm non-small cell lung carcinoma ovarian neoplasm pancreatic intraductal papillary-mucinous neoplasm glioblastoma interstitial cystitis atopic eczema malignant mesothelioma malignant pancreatic neoplasm medulloblastoma colorectal carcinoma osteosarcoma cribriform carcinoma pancreatic ductal adenocarcinoma
B	Pharos: Q9BYG3	diabetes mellitus large cell medulloblastoma myopathy glioblastoma malignant glioma ovarian cancer juvenile dermatomyositis medulloblastoma primitive neuroectodermal tumor

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
B	SEP	Parent Component: SER RESID: AA0037 PSI-MOD : O-phospho-L-serine MOD:00046
B	TPO	Parent Component: THR RESID: AA0037 , AA0038 PSI-MOD : O-phospho-L-serine MOD:00046 , O-phospho-L-threonine MOD:00047

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.