Annotations: 2CXJ

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	EF-hand	8070766	3001983	SCOP2B (2022-06-29)
A	SCOP2 Family	S100 proteins	8070765	4000919	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	EF-hand	8070766	3001983	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	HMG_CoA_synt_N	e2cxjB1	A: a/b three-layered sandwiches	X: HTH	H: Nudix	T: winged helix domain	F: HMG_CoA_synt_N	ECOD (v294.1)
A	Ldh_1_N	e2cxjA1	A: a/b three-layered sandwiches	X: Globin-like	H: Globin-like	T: Globin-like	F: Ldh_1_N	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	1.10.238.10	Mainly Alpha	Orthogonal Bundle	Recoverin	domain 1	CATH (4.3.0)
A	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	S100 calcium-binding protein A13	fibroblast growth factor binding protein binding binding growth factor binding cation binding ion binding calcium ion binding metal ion binding small molecule binding identical protein binding protein homodimerization activity protein dimerization activity RAGE receptor binding signaling receptor binding fibroblast growth factor binding protein binding binding growth factor binding cation binding ion binding calcium ion binding metal ion binding small molecule binding identical protein binding protein homodimerization activity protein dimerization activity RAGE receptor binding signaling receptor binding lipid binding calcium-dependent protein binding transition metal ion binding copper ion binding zinc ion binding	cellular response to stimulus positive regulation of cell communication regulation of cellular process positive regulation of signal transduction positive regulation of canonical NF-kappaB signal transduction response to stimulus signaling positive regulation of biological process regulation of signal transduction intracellular signal transduction cell communication positive regulation of response to stimulus regulation of intracellular signal transduction intracellular signaling cassette cellular response to stimulus positive regulation of cell communication regulation of cellular process positive regulation of signal transduction positive regulation of canonical NF-kappaB signal transduction response to stimulus signaling positive regulation of biological process regulation of signal transduction intracellular signal transduction cell communication positive regulation of response to stimulus regulation of intracellular signal transduction intracellular signaling cassette signal transduction positive regulation of cellular process regulation of biological process regulation of signaling biological regulation positive regulation of intracellular signal transduction canonical NF-kappaB signal transduction regulation of response to stimulus regulation of cell communication regulation of canonical NF-kappaB signal transduction cellular process positive regulation of signaling multicellular organismal process interleukin-1 production positive regulation of macromolecule biosynthetic process positive regulation of metabolic process positive regulation of interleukin-1 alpha production positive regulation of biosynthetic process regulation of cytokine production cytokine production regulation of multicellular organismal process positive regulation of interleukin-1 production positive regulation of macromolecule metabolic process regulation of biosynthetic process regulation of interleukin-1 production regulation of macromolecule metabolic process gene expression regulation of interleukin-1 alpha production macromolecule biosynthetic process regulation of gene expression interleukin-1 alpha production biosynthetic process positive regulation of gene expression positive regulation of multicellular organismal process regulation of macromolecule biosynthetic process metabolic process macromolecule metabolic process positive regulation of cytokine production regulation of metabolic process localization establishment of protein localization protein transport transport macromolecule localization intracellular protein localization establishment of localization	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 cytoplasm cytosol perinuclear region of cytoplasm cell periphery plasma membrane membrane extracellular matrix external encapsulating structure extracellular region nucleoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR013787	S100/CaBP-9k-type, calcium binding, subdomain	Domain
A, B	IPR011992	EF-hand domain pair	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 R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.