Annotations: 6BYY

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	SRF-like	8035395	3001928	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	SRF-like	8035395	3001928	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	SRF-like	8035395	3001928	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	SRF-like	8035395	3001928	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	SRF-TF	e6byyA1	A: a+b three layers	X: SRF-like (From Topology)	H: SRF-like (From Topology)	T: SRF-like	F: SRF-TF	ECOD (1.6)
B	SRF-TF	e6byyB1	A: a+b three layers	X: SRF-like (From Topology)	H: SRF-like (From Topology)	T: SRF-like	F: SRF-TF	ECOD (1.6)
C	SRF-TF	e6byyC1	A: a+b three layers	X: SRF-like (From Topology)	H: SRF-like (From Topology)	T: SRF-like	F: SRF-TF	ECOD (1.6)
D	SRF-TF	e6byyD1	A: a+b three layers	X: SRF-like (From Topology)	H: SRF-like (From Topology)	T: SRF-like	F: SRF-TF	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.1810.10	Alpha Beta	3-Layer(aba) Sandwich	SRF-like	Transcription factor, MADS-box	CATH (4.3.0)
B	3.40.1810.10	Alpha Beta	3-Layer(aba) Sandwich	SRF-like	Transcription factor, MADS-box	CATH (4.3.0)
C	3.40.1810.10	Alpha Beta	3-Layer(aba) Sandwich	SRF-like	Transcription factor, MADS-box	CATH (4.3.0)
D	3.40.1810.10	Alpha Beta	3-Layer(aba) Sandwich	SRF-like	Transcription factor, MADS-box	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF00319	SRF-type transcription factor (DNA-binding and dimerisation domain) (SRF-TF)	SRF-type transcription factor (DNA-binding and dimerisation domain)	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	MEF2 CHIMERA	DNA-binding transcription factor activity, RNA polymerase II-specific transcription regulator activity DNA-binding transcription factor activity histone deacetylase binding protein binding binding enzyme binding DNA binding sequence-specific DNA binding double-stranded DNA binding nucleic acid binding RNA polymerase II transcription regulatory region sequence-specific DNA binding cis-regulatory region sequence-specific DNA binding sequence-specific double-stranded DNA binding DNA-binding transcription factor activity, RNA polymerase II-specific transcription regulator activity DNA-binding transcription factor activity histone deacetylase binding protein binding binding enzyme binding DNA binding sequence-specific DNA binding double-stranded DNA binding nucleic acid 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 organic cyclic compound binding transcription regulatory region nucleic acid binding RNA polymerase II cis-regulatory region sequence-specific DNA binding protein dimerization activity DNA-binding transcription activator activity, RNA polymerase II-specific DNA-binding transcription activator activity transcription factor binding RNA polymerase II-specific DNA-binding transcription factor binding DNA-binding transcription factor binding protein-containing complex binding chromatin binding protein heterodimerization activity kinase binding protein kinase binding SMAD binding histone acetyltransferase binding	developmental process heart development multicellular organism development multicellular organismal process anatomical structure development animal organ development circulatory system development system development cellular developmental process cell differentiation cellular process muscle structure development muscle organ development regulation of cellular process developmental process heart development multicellular organism development multicellular organismal process anatomical structure development animal organ development circulatory system development system development cellular developmental process cell differentiation cellular process muscle structure development muscle organ development regulation of cellular process positive regulation of macromolecule biosynthetic process regulation of primary metabolic process nucleobase-containing compound metabolic process positive regulation of metabolic process DNA-templated transcription regulation of RNA metabolic process transcription by RNA polymerase II organic substance biosynthetic process positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process regulation of transcription by RNA polymerase II regulation of biological process positive regulation of nucleobase-containing compound metabolic process cellular metabolic process primary metabolic process regulation of cellular metabolic process positive regulation of transcription by RNA polymerase II positive regulation of RNA metabolic process organic cyclic compound metabolic process regulation of gene expression biosynthetic process organic cyclic compound biosynthetic process metabolic process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of DNA-templated transcription regulation of metabolic process positive regulation of DNA-templated transcription cellular biosynthetic process positive regulation of biological process RNA metabolic process positive regulation of cellular metabolic process RNA biosynthetic process nucleic acid biosynthetic process organic substance metabolic process positive regulation of biosynthetic process positive regulation of cellular process regulation of RNA biosynthetic process regulation of biosynthetic process biological regulation regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of cellular biosynthetic process positive regulation of RNA biosynthetic process positive regulation of cellular biosynthetic process positive regulation of gene expression apoptotic process cell death programmed cell death cell projection organization plasma membrane bounded cell projection morphogenesis cell development neuron projection development cell morphogenesis cellular component organization neurogenesis cell projection morphogenesis neuron differentiation neuron projection morphogenesis dendrite development cellular component organization or biogenesis plasma membrane bounded cell projection organization dendrite morphogenesis nervous system development cell morphogenesis involved in neuron differentiation generation of neurons anatomical structure morphogenesis neuron development mitochondrion distribution localization mitochondrion localization organelle organization organelle localization mitochondrion organization cellular response to stimulus cellular response to inorganic substance cellular response to metal ion response to stimulus response to inorganic substance cellular response to chemical stimulus response to metal ion response to chemical cellular response to calcium ion response to calcium ion signaling intracellular signal transduction cell communication intracellular signaling cassette MAPK cascade signal transduction ventricular cardiac muscle cell differentiation cardiac muscle cell development cellular component assembly involved in morphogenesis non-membrane-bounded organelle assembly muscle cell differentiation striated muscle tissue development cellular component biogenesis striated muscle cell development cellular anatomical entity morphogenesis cellular component assembly muscle cell development actin filament-based process cardiac cell development muscle tissue development actomyosin structure organization actin cytoskeleton organization organelle assembly cardiac muscle tissue development ventricular cardiac myofibril assembly cardiac muscle cell differentiation tissue development cardiocyte differentiation ventricular cardiac muscle cell development myofibril assembly cardiac myofibril assembly anatomical structure formation involved in morphogenesis striated muscle cell differentiation supramolecular fiber organization cytoskeleton organization ERK5 cascade heart process system process regulation of heart contraction regulation of system process circulatory system process regulation of blood circulation cardiac conduction regulation of multicellular organismal process heart contraction blood circulation mitochondrial genome maintenance muscle hypertrophy regulation of muscle adaptation positive regulation of cardiac muscle hypertrophy striated muscle hypertrophy regulation of muscle system process muscle system process regulation of cardiac muscle hypertrophy regulation of muscle hypertrophy muscle adaptation regulation of response to stimulus positive regulation of muscle hypertrophy cardiac muscle hypertrophy positive regulation of multicellular organismal process negative regulation of biological process negative regulation of cellular metabolic process negative regulation of RNA biosynthetic process negative regulation of nucleobase-containing compound metabolic process negative regulation of DNA-templated transcription negative regulation of transcription by RNA polymerase II negative regulation of metabolic process negative regulation of cellular biosynthetic process negative regulation of macromolecule biosynthetic process negative regulation of RNA metabolic process negative regulation of cellular process negative regulation of macromolecule metabolic process negative regulation of biosynthetic process regulation of localization hexose transmembrane transport glucose import transport carbohydrate transport positive regulation of transmembrane transport glucose transmembrane transport regulation of glucose import positive regulation of glucose transmembrane transport regulation of transport organic substance transport establishment of localization transmembrane transport regulation of glucose transmembrane transport regulation of transmembrane transport positive regulation of transport monosaccharide transmembrane transport positive regulation of glucose import carbohydrate transmembrane transport	cell junction cellular anatomical entity intracellular anatomical structure cytoplasm cytosol protein-containing complex transcription regulator complex membrane-bounded organelle nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen intracellular organelle nucleoplasm cell junction cellular anatomical entity intracellular anatomical structure cytoplasm cytosol protein-containing complex transcription regulator complex membrane-bounded organelle nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen intracellular organelle nucleoplasm organelle lumen organelle nuclear lumen protein-DNA complex intracellular non-membrane-bounded organelle chromatin chromosome non-membrane-bounded organelle
E [auth K], G [auth E]	DNA (5'-D(PAPAPCPTPAPTPTPTPAPTPAPAPGPA)-3')	-	-	-
F [auth L], H [auth F]	DNA (5'-D(PTPTPCPTPTPAPTPAPAPAPTPAPGPTP*T)-3')	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR036879	Transcription factor, MADS-box superfamily	Homologous Superfamily
A, B, C, D	IPR033896	MADS MEF2-like	Domain
A, B, C, D	IPR002100	Transcription factor, MADS-box	Domain
A, B, C, D	IPR022102	Holliday junction regulator protein family C-terminal	Domain
A, B, C, D	IPR033896	MADS MEF2-like	Domain
A, B, C, D	IPR036879	Transcription factor, MADS-box superfamily	Homologous Superfamily
A, B, C, D	IPR002100	Transcription factor, MADS-box	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B, C, D	Pharos: Q02078	bipolar I disorder endogenous depression non-alcoholic fatty liver disease coronary artery disease, autosomal dominant, 1 atypical teratoid rhabdoid tumor glioblastoma malignant ependymoma myopathy ovarian cancer primitive neuroectodermal tumor subependymal giant cell astrocytoma breast cancer large cell medulloblastoma malignant glioma Nonorganic psychosis bipolar I disorder endogenous depression non-alcoholic fatty liver disease coronary artery disease, autosomal dominant, 1 atypical teratoid rhabdoid tumor glioblastoma malignant ependymoma myopathy ovarian cancer primitive neuroectodermal tumor subependymal giant cell astrocytoma breast cancer large cell medulloblastoma malignant glioma Nonorganic psychosis pancreatic intraductal papillary-mucinous carcinoma lung cancer medulloblastoma oligodendroglioma plasma cell myeloma rheumatoid arthritis

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.