Annotations: 7Z5K

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	F_UNCLASSIFIED	e7z5kA1	A: alpha duplicates or obligate multimers	X: HLH-like	H: HLH, helix-loop-helix DNA-binding domain (From Topology)	T: HLH, helix-loop-helix DNA-binding domain	F: F_UNCLASSIFIED	ECOD (1.6)
B	F_UNCLASSIFIED	e7z5kB1	A: alpha duplicates or obligate multimers	X: HLH-like	H: HLH, helix-loop-helix DNA-binding domain (From Topology)	T: HLH, helix-loop-helix DNA-binding domain	F: F_UNCLASSIFIED	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00010	Helix-loop-helix DNA-binding domain (HLH)	Helix-loop-helix DNA-binding domain	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Myogenic factor 5	DNA binding sequence-specific DNA binding 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 DNA-binding transcription factor activity, RNA polymerase II-specific transcription regulator activity DNA binding sequence-specific DNA binding 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 DNA-binding transcription factor activity, RNA polymerase II-specific transcription regulator activity DNA-binding transcription factor activity protein binding protein dimerization activity DNA-binding transcription activator activity, RNA polymerase II-specific DNA-binding transcription activator activity	cell adhesion regulation of biological process regulation of cellular process cell-matrix adhesion regulation of cell-matrix adhesion regulation of cell-substrate adhesion regulation of cell adhesion biological regulation cell-substrate adhesion cellular process developmental process regulation of developmental process cellular developmental process positive regulation of biological process cell adhesion regulation of biological process regulation of cellular process cell-matrix adhesion regulation of cell-matrix adhesion regulation of cell-substrate adhesion regulation of cell adhesion biological regulation cell-substrate adhesion cellular process developmental process regulation of developmental process cellular developmental process positive regulation of biological process regulation of cell differentiation positive regulation of myoblast differentiation muscle structure development positive regulation of developmental process positive regulation of cell differentiation cell differentiation anatomical structure development regulation of myoblast differentiation myoblast differentiation positive regulation of cellular process somitogenesis multicellular organismal process epithelium development chordate embryonic development segmentation anterior/posterior pattern specification pattern specification process embryo development tissue development regionalization multicellular organism development anatomical structure morphogenesis embryo development ending in birth or egg hatching somite development anatomical structure formation involved in morphogenesis sensory organ development eye development animal organ development visual system development camera-type eye development sensory system development system development cellular component organization extracellular matrix organization cellular component organization or biogenesis extracellular structure organization external encapsulating structure organization muscle organ development skeletal muscle organ development skeletal muscle tissue development muscle tissue development striated muscle tissue development muscle tissue morphogenesis tissue morphogenesis animal organ morphogenesis muscle organ morphogenesis embryonic organ morphogenesis embryonic morphogenesis skeletal system development embryonic skeletal system development skeletal system morphogenesis embryonic organ development embryonic skeletal system morphogenesis skeletal muscle cell differentiation cell aggregation connective tissue development cartilage condensation cartilage development muscle cell fate commitment muscle cell differentiation cell fate commitment ossification positive regulation of skeletal muscle tissue development regulation of skeletal muscle tissue development myotube differentiation regulation of cell development positive regulation of muscle organ development regulation of skeletal muscle fiber development positive regulation of skeletal muscle fiber development myotube cell development skeletal muscle fiber development positive regulation of striated muscle tissue development positive regulation of cell development regulation of striated muscle tissue development positive regulation of muscle cell differentiation positive regulation of muscle tissue development regulation of muscle cell differentiation positive regulation of multicellular organismal process striated muscle cell differentiation regulation of muscle tissue development cell development regulation of striated muscle cell differentiation striated muscle cell development muscle cell development regulation of myotube differentiation positive regulation of striated muscle cell differentiation regulation of multicellular organismal process regulation of muscle organ development cellular biosynthetic process RNA metabolic process regulation of primary metabolic 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 regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process regulation of transcription by RNA polymerase II regulation of biosynthetic process cellular metabolic process primary metabolic process regulation of cellular metabolic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of cellular biosynthetic process regulation of gene expression biosynthetic process metabolic process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of DNA-templated transcription regulation of metabolic process	RNA polymerase II transcription regulator complex membrane-bounded organelle protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex transcription regulator complex intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle organelle membrane-enclosed lumen intracellular organelle lumen nucleoplasm RNA polymerase II transcription regulator complex membrane-bounded organelle protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex transcription regulator complex intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle organelle membrane-enclosed lumen intracellular organelle lumen nucleoplasm organelle lumen nuclear lumen intracellular non-membrane-bounded organelle chromatin chromosome non-membrane-bounded organelle
C [auth E]	DNA (5'-D(PGPCPGPCPAPAPCPAPGPCPTPGPAPCPGPCPGPT)-3')	-	-	-
D [auth F]	DNA (5'-D(PAPCPGPCPGPTPCPAPGPCPTPGPTPTPGPCPGPC)-3')	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR039704	Myogenic factor	Family
A, B	IPR022032	Myogenic determination factor 5	Domain
A, B	IPR011598	Myc-type, basic helix-loop-helix (bHLH) domain	Domain
A, B	IPR036638	Helix-loop-helix DNA-binding domain superfamily	Homologous Superfamily
A, B	IPR002546	Myogenic muscle-specific protein, N-terminal	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B	Pharos: P13349	myopathy

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.