Annotations: 2LD7

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	SAP30_Sin3_bdg	e2ld7A1	A: alpha arrays	X: LEM/SAP HeH motif-like	H: LEM/SAP HeH motif	T: LEM/SAP HeH motif	F: SAP30_Sin3_bdg	ECOD (1.6)
B	PAH	e2ld7B1	A: alpha bundles	X: PAH2 domain (From Topology)	H: PAH2 domain (From Topology)	T: PAH2 domain	F: PAH	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	6.10.160.20	Special	Helix non-globular	Transcription Termination Factor Rho, Rna-binding Domain	Chain A, Domain 1	CATH (4.3.0)
B	1.20.1160.11	Mainly Alpha	Up-down Bundle	Paired amphipathic helix 2 (pah2 repeat)	Paired amphipathic helix	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF13867	Sin3 binding region of histone deacetylase complex subunit SAP30 (SAP30_Sin3_bdg)	Sin3 binding region of histone deacetylase complex subunit SAP30	-	Family
B	PF02671	Paired amphipathic helix repeat (PAH)	Paired amphipathic helix repeat	-	Repeat

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Histone deacetylase complex subunit SAP30	DNA binding binding nucleic acid binding transcription corepressor activity transcription regulator activity transcription coregulator activity protein-macromolecule adaptor activity molecular adaptor activity cation binding ion binding metal ion binding small molecule binding	cellular response to stimulus negative regulation of transforming growth factor beta receptor signaling pathway regulation of cellular process cell surface receptor protein serine/threonine kinase signaling pathway cellular response to growth factor stimulus response to stimulus negative regulation of signaling signaling cellular response to transforming growth factor beta stimulus regulation of transmembrane receptor protein serine/threonine kinase signaling pathway negative regulation of biological process regulation of signal transduction negative regulation of cell communication cell communication regulation of transforming growth factor beta receptor signaling pathway cellular response to stimulus negative regulation of transforming growth factor beta receptor signaling pathway regulation of cellular process cell surface receptor protein serine/threonine kinase signaling pathway cellular response to growth factor stimulus response to stimulus negative regulation of signaling signaling cellular response to transforming growth factor beta stimulus regulation of transmembrane receptor protein serine/threonine kinase signaling pathway negative regulation of biological process regulation of signal transduction negative regulation of cell communication cell communication regulation of transforming growth factor beta receptor signaling pathway cellular response to endogenous stimulus negative regulation of cellular process signal transduction enzyme-linked receptor protein signaling pathway regulation of signaling regulation of biological process cell surface receptor signaling pathway negative regulation of response to stimulus regulation of cellular response to transforming growth factor beta stimulus response to endogenous stimulus regulation of cellular response to growth factor stimulus biological regulation negative regulation of signal transduction response to transforming growth factor beta regulation of response to stimulus transforming growth factor beta receptor signaling pathway regulation of cell communication cellular process response to growth factor transforming growth factor beta receptor superfamily signaling pathway negative regulation of transmembrane receptor protein serine/threonine kinase signaling pathway negative regulation of locomotion regulation of cell motility regulation of locomotion regulation of cell migration negative regulation of cell motility cell migration cell motility negative regulation of cell migration locomotion developmental process multicellular organismal process regulation of developmental process positive regulation of biological process regulation of stem cell population maintenance stem cell population maintenance positive regulation of developmental process positive regulation of stem cell population maintenance positive regulation of multicellular organismal process regulation of multicellular organismal process maintenance of cell number negative regulation of developmental process negative regulation of stem cell population maintenance negative regulation of multicellular organismal process RNA metabolic process regulation of primary 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 negative regulation of macromolecule metabolic 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 negative regulation of metabolic process primary metabolic process regulation of macromolecule metabolic process 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 metabolic process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of DNA-templated transcription regulation of metabolic process negative regulation of RNA metabolic process skeletal muscle cell differentiation cellular developmental process skeletal muscle tissue development animal organ development tissue development striated muscle tissue development muscle structure development skeletal muscle organ development cell differentiation anatomical structure development muscle tissue development muscle organ development	membrane-bounded organelle protein-containing complex intracellular anatomical structure catalytic complex Sin3-type complex nucleus membrane-enclosed lumen nuclear protein-containing complex nuclear chromosome intracellular membraneless organelle chromosome chromatin intracellular membrane-bounded organelle intracellular organelle lumen membrane-bounded organelle protein-containing complex intracellular anatomical structure catalytic complex Sin3-type complex nucleus membrane-enclosed lumen nuclear protein-containing complex nuclear chromosome intracellular membraneless organelle chromosome chromatin intracellular membrane-bounded organelle intracellular organelle lumen histone deacetylase complex intracellular organelle cellular anatomical structure nucleoplasm organelle lumen organelle membraneless organelle nuclear lumen
B	Paired amphipathic helix protein Sin3a	molecular function inhibitor activity molecular function regulator activity transcription regulator inhibitor activity transcription factor binding RNA polymerase II-specific DNA-binding transcription factor binding protein binding binding DNA-binding transcription factor binding chromatin binding RNA binding nucleic acid binding DNA binding transcription corepressor activity transcription regulator activity molecular function inhibitor activity molecular function regulator activity transcription regulator inhibitor activity transcription factor binding RNA polymerase II-specific DNA-binding transcription factor binding protein binding binding DNA-binding transcription factor binding chromatin binding RNA binding nucleic acid binding DNA binding transcription corepressor activity transcription regulator activity transcription coregulator activity protein-macromolecule adaptor activity molecular adaptor activity protein-containing complex binding	regulation of cellular process negative regulation of biological process RNA metabolic process regulation of primary 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 negative regulation of cellular process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process regulation of cellular process negative regulation of biological process RNA metabolic process regulation of primary 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 negative regulation of cellular process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process negative regulation of macromolecule metabolic process regulation of biosynthetic process negative regulation of DNA-templated transcription regulation of biological process negative regulation of metabolic process biological regulation primary metabolic process regulation of macromolecule metabolic process 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 metabolic process cellular process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of DNA-templated transcription regulation of metabolic process negative regulation of RNA metabolic process DNA replication DNA metabolic process regulation of defense response positive regulation of response to biotic stimulus regulation of response to biotic stimulus biological process involved in interspecies interaction between organisms response to stimulus regulation of response to external stimulus positive regulation of biological process response to biotic stimulus positive regulation of response to stimulus positive regulation of response to external stimulus positive regulation of immune response regulation of response to stress response to stress innate immune response regulation of immune system process response to external biotic stimulus positive regulation of immune system process positive regulation of innate immune response defense response immune response response to other organism regulation of innate immune response defense response to symbiont response to external stimulus regulation of response to stimulus immune system process defense response to other organism positive regulation of defense response activation of innate immune response regulation of immune response activation of immune response response to ketone response to chemical response to oxygen-containing compound response to methylglyoxal protein localization localization cellular localization cellular macromolecule localization macromolecule localization developmental process multicellular organismal process head development cellular developmental process forebrain generation of neurons forebrain development animal organ development brain development nervous system development generation of neurons central nervous system neuron differentiation multicellular organism development neurogenesis central nervous system development neuron differentiation cell differentiation anatomical structure development cerebral cortex neuron differentiation forebrain neuron differentiation system development negative regulation of programmed cell death regulation of apoptotic process regulation of programmed cell death cell death negative regulation of apoptotic process apoptotic process programmed cell death cellular response to stimulus homeostatic process cellular response to glucose stimulus intracellular glucose homeostasis cellular response to oxygen-containing compound response to hexose cellular response to carbohydrate stimulus cellular response to chemical stimulus cellular homeostasis response to monosaccharide response to carbohydrate chemical homeostasis response to glucose glucose homeostasis carbohydrate homeostasis cellular response to hexose stimulus intracellular chemical homeostasis cellular response to monosaccharide stimulus regulation of developmental process regulation of stem cell population maintenance stem cell population maintenance positive regulation of developmental process positive regulation of stem cell population maintenance positive regulation of multicellular organismal process regulation of multicellular organismal process maintenance of cell number rhythmic process circadian rhythm negative regulation of circadian rhythm regulation of circadian rhythm axon extension regulation of growth axonogenesis regulation of cellular component size developmental growth cell projection organization neuron projection development cell projection morphogenesis neuron projection morphogenesis regulation of biological quality developmental growth involved in morphogenesis regulation of cellular component organization plasma membrane bounded cell projection morphogenesis cell development cell growth cell morphogenesis regulation of axon extension cellular component organization regulation of extent of cell growth cellular component organization or biogenesis regulation of cell size neuron projection extension regulation of developmental growth plasma membrane bounded cell projection organization developmental cell growth growth axon development regulation of cell growth cell morphogenesis involved in neuron differentiation anatomical structure morphogenesis neuron development regulation of anatomical structure size embryo development ending in birth or egg hatching chordate embryonic development embryo development in utero embryonic development negative regulation of transforming growth factor beta receptor signaling pathway cell surface receptor protein serine/threonine kinase signaling pathway cellular response to growth factor stimulus negative regulation of signaling signaling cellular response to transforming growth factor beta stimulus regulation of transmembrane receptor protein serine/threonine kinase signaling pathway regulation of signal transduction negative regulation of cell communication cell communication regulation of transforming growth factor beta receptor signaling pathway cellular response to endogenous stimulus signal transduction enzyme-linked receptor protein signaling pathway regulation of signaling cell surface receptor signaling pathway negative regulation of response to stimulus regulation of cellular response to transforming growth factor beta stimulus response to endogenous stimulus regulation of cellular response to growth factor stimulus negative regulation of signal transduction response to transforming growth factor beta transforming growth factor beta receptor signaling pathway regulation of cell communication response to growth factor transforming growth factor beta receptor superfamily signaling pathway negative regulation of transmembrane receptor protein serine/threonine kinase signaling pathway regulation of cell differentiation positive regulation of neuron differentiation positive regulation of cell differentiation positive regulation of cellular process regulation of neuron differentiation cellular response to oxidative stress cellular response to chemical stress cellular response to alkyl hydroperoxide response to oxidative stress cellular response to stress cellular response to tert-butyl hydroperoxide response to alkyl hydroperoxide response to tert-butyl hydroperoxide response to hydroperoxide cellular response to hydroperoxide negative regulation of locomotion regulation of cell motility regulation of locomotion regulation of cell migration negative regulation of cell motility cell migration cell motility negative regulation of cell migration locomotion chromatin organization chromatin remodeling heterochromatin formation epigenetic regulation of gene expression negative regulation of gene expression negative regulation of gene expression, epigenetic regulation of defense response to virus defense response to virus positive regulation of defense response to virus by host regulation of defense response to virus by host response to virus negative regulation of developmental process negative regulation of stem cell population maintenance negative regulation of multicellular organismal process regulation of localization regulation of protein localization regulation of protein localization to nucleus protein localization to nucleus negative regulation of protein localization to nucleus regulation of cellular localization protein localization to organelle negative regulation of protein localization hemopoiesis hematopoietic progenitor cell differentiation transcription by RNA polymerase II regulation of transcription by RNA polymerase II negative regulation of transcription by RNA polymerase II regulation of cell cycle phase transition G2/M transition of mitotic cell cycle cell cycle phase transition mitotic cell cycle regulation of mitotic cell cycle positive regulation of mitotic cell cycle phase transition positive regulation of cell cycle process positive regulation of mitotic cell cycle cell cycle regulation of cell cycle cell cycle process cell cycle G2/M phase transition positive regulation of G2/M transition of mitotic cell cycle regulation of G2/M transition of mitotic cell cycle regulation of cell cycle process regulation of cell cycle G2/M phase transition positive regulation of cell cycle G2/M phase transition positive regulation of cell cycle regulation of mitotic cell cycle phase transition mitotic cell cycle process positive regulation of cell cycle phase transition mitotic cell cycle phase transition cellular response to nitrogen compound response to dopamine cellular response to dopamine response to monoamine response to nitrogen compound response to catecholamine cellular response to monoamine stimulus cellular response to catecholamine stimulus regulation of hormone levels response to cytokine cytokine-mediated signaling pathway interferon-mediated signaling pathway cellular response to type I interferon cellular response to cytokine stimulus response to peptide type I interferon-mediated signaling pathway response to type I interferon	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 protein-containing complex catalytic complex Sin3-type complex nuclear protein-containing complex nuclear chromosome chromosome chromatin histone deacetylase complex nucleoplasm transcription regulator complex chromosomal region kinetochore chromosome, centromeric region condensed chromosome, centromeric region supramolecular complex condensed chromosome transcription repressor complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR038291	SAP30, C-terminal domain superfamily	Homologous Superfamily
A	IPR025717	Histone deacetylase complex subunit SAP30 zinc-finger	Domain
A	IPR025718	Histone deacetylase complex subunit SAP30, Sin3 binding domain	Domain
A	IPR024145	Histone deacetylase complex subunit SAP30/SAP30-like	Family
B	IPR039774	Transcriptional regulatory protein Sin3-like	Family
B	IPR013194	Histone deacetylase interacting domain	Domain
B	IPR003822	Paired amphipathic helix	Repeat
B	IPR036600	Paired amphipathic helix superfamily	Homologous Superfamily
B	IPR031693	Sin3, C-terminal	Domain

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.