Annotations: 4Y60

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A [auth C]	SCOP2 Family	HMG-box	8073219	4000788	SCOP2 (2021-05-27)
A [auth C]	SCOP2 Superfamily	HMG-box	8073220	3001368	SCOP2 (2021-05-27)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A [auth C]	PF00505	e4y60C1	A: alpha arrays	X: HMG-box (From Topology)	H: HMG-box (From Topology)	T: HMG-box	F: PF00505	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A [auth C]	1.10.30.10	Mainly Alpha	Orthogonal Bundle	DNA Binding (I), subunit A	High mobility group box domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth C]	PF00505	HMG (high mobility group) box (HMG_box)	HMG (high mobility group) box	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth C]	Transcription factor SOX-18	DNA binding sequence-specific DNA binding sequence-specific double-stranded DNA binding transcription cis-regulatory region binding binding double-stranded DNA binding organic cyclic compound binding nucleic acid binding transcription regulatory region nucleic acid binding RNA polymerase II transcription regulatory region sequence-specific DNA binding cis-regulatory region sequence-specific DNA binding RNA polymerase II cis-regulatory region sequence-specific DNA binding transcription regulator activity DNA-binding transcription factor activity DNA binding sequence-specific DNA binding sequence-specific double-stranded DNA binding transcription cis-regulatory region binding binding double-stranded DNA binding organic cyclic compound binding nucleic acid binding transcription regulatory region nucleic acid binding RNA polymerase II transcription regulatory region sequence-specific DNA binding cis-regulatory region sequence-specific DNA binding RNA polymerase II cis-regulatory region sequence-specific DNA binding transcription regulator activity DNA-binding transcription factor activity DNA-binding transcription factor activity, RNA polymerase II-specific DNA-binding transcription activator activity, RNA polymerase II-specific DNA-binding transcription activator activity	regulation of cellular process cellular biosynthetic process negative regulation of biological process RNA metabolic process negative regulation of cellular 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 cellular process cellular biosynthetic process negative regulation of biological process RNA metabolic process negative regulation of cellular 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 cellular metabolic process negative regulation of metabolic process biological regulation 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 negative regulation of cellular biosynthetic process regulation of cellular biosynthetic 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 developmental process heart development multicellular organismal process animal organ development endocardium development circulatory system development anatomical structure morphogenesis multicellular organism development anatomical structure development anatomical structure formation involved in morphogenesis endocardium morphogenesis endocardium formation system development epithelium development endothelial cell differentiation cellular developmental process endothelium development lymphatic endothelial cell differentiation tissue development epithelial cell differentiation vasculature development cell differentiation lymph vessel development blood vessel morphogenesis tube development angiogenesis tube morphogenesis blood vessel development lymphangiogenesis lymph vessel morphogenesis epidermis development molting cycle process hair cycle skin development skin epidermis development hair follicle development molting cycle hair cycle process epithelium migration tissue migration endothelial cell migration ameboidal-type cell migration blood vessel endothelial cell migration epithelial cell migration cell migration cell motility stem cell fate commitment stem cell differentiation stem cell fate specification cell fate specification cell fate commitment embryo development embryonic heart tube development embryonic organ development embryo development ending in birth or egg hatching chordate embryonic development in utero embryonic development anatomical structure maturation cell development cell maturation developmental maturation regulation of stem cell proliferation stem cell proliferation cell population proliferation regulation of cell population proliferation vasculogenesis endothelial cell development epithelial cell development establishment of endothelial barrier positive regulation of DNA-templated transcription positive regulation of biological process positive regulation of cellular metabolic process positive regulation of macromolecule biosynthetic process positive regulation of metabolic process positive regulation of biosynthetic process positive regulation of macromolecule metabolic process positive regulation of cellular process positive regulation of nucleobase-containing compound metabolic process positive regulation of RNA metabolic process positive regulation of RNA biosynthetic process positive regulation of cellular biosynthetic process transcription by RNA polymerase II regulation of transcription by RNA polymerase II negative regulation of transcription by RNA polymerase II cardiac endothelial cell differentiation cardiocyte differentiation endocardial cell differentiation positive regulation of transcription by RNA polymerase II	protein-containing complex transcription regulator complex intracellular organelle intracellular anatomical structure protein-DNA complex organelle intracellular non-membrane-bounded organelle chromatin chromosome cellular anatomical entity non-membrane-bounded organelle membrane-bounded organelle nucleus intracellular membrane-bounded organelle
B [auth A]	DNA (5'-D(CPAPCPTPAPGPCPAPTPTPGPTPCPTPGPGP*G)-3')	-	-	-
C [auth B]	DNA (5'-D(GPCPCPCPAPGPAPCPAPAPTPGPCPTPAPGP*T)-3')	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth C]	IPR033392	Sox 7/17/18, central domain	Domain
A [auth C]	IPR021934	Sox, C-terminal	Domain
A [auth C]	IPR009071	High mobility group box domain	Domain
A [auth C]	IPR036910	High mobility group box domain superfamily	Homologous Superfamily

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 R01GM133198.