2RGI

Crystal structure of Ca2+-free S100A2 at 1.6 A resolution

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP/SCOPe Classification SCOP Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2rgia_	All alpha proteins	EF Hand-like	EF-hand	S100 proteins	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B	d2rgib_	All alpha proteins	EF Hand-like	EF-hand	S100 proteins	automated matches	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	SCOP2B Superfamily	EF-hand	8070754	3001983	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	EF-hand	8070754	3001983	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	S_100	e2rgiA1	A: alpha arrays	X: EF-hand	H: EF-hand-related	T: EF-hand	F: S_100	ECOD (1.6)
B	S_100	e2rgiB1	A: alpha arrays	X: EF-hand	H: EF-hand-related	T: EF-hand	F: S_100	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.238.10	Mainly Alpha	Orthogonal Bundle	Recoverin	domain 1	CATH (4.3.0)
B	1.10.238.10	Mainly Alpha	Orthogonal Bundle	Recoverin	domain 1	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF01023	S-100/ICaBP type calcium binding domain (S_100)	S-100/ICaBP type calcium binding domain	The S-100 domain is a subfamily of the EF-hand calcium binding proteins.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Protein S100-A2	cation binding ion binding binding calcium ion binding metal ion binding small molecule binding calcium-dependent protein binding protein binding transition metal ion binding identical protein binding	epithelium migration multicellular organismal process tissue migration endothelial cell migration ameboidal-type cell migration epithelial cell migration cell migration cellular process cell motility	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR013787	S100/CaBP-9k-type, calcium binding, subdomain	Domain
A, B	IPR018247	EF-Hand 1, calcium-binding site	Binding Site
A, B	IPR034325	S-100	Domain
A, B	IPR001751	S100/Calcium binding protein 7/8-like, conserved site	Conserved Site
A, B	IPR002048	EF-hand domain	Domain
A, B	IPR011992	EF-hand domain pair	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B	Pharos: P29034	ulcerative colitis atopic eczema ductal breast carcinoma in situ large cell medulloblastoma malignant ependymoma malignant pancreatic neoplasm ovarian cancer subependymal giant cell astrocytoma atypical teratoid rhabdoid tumor esophageal adenocarcinoma lung adenocarcinoma malignant glioma nasopharyngeal carcinoma psoriasis tuberculosis ulcerative colitis atopic eczema ductal breast carcinoma in situ large cell medulloblastoma malignant ependymoma malignant pancreatic neoplasm ovarian cancer subependymal giant cell astrocytoma atypical teratoid rhabdoid tumor esophageal adenocarcinoma lung adenocarcinoma malignant glioma nasopharyngeal carcinoma psoriasis tuberculosis breast cancer glioblastoma malignant colon neoplasm malignant mesothelioma non-small cell lung carcinoma spina bifida

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.