Annotations: 2K8M

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2k8ma1	All beta proteins	C2 domain-like	C2 domain (Calcium/lipid-binding domain, CaLB)	Synaptotagmin-like (S variant)	Synaptogamin I	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d2k8ma2	Artifacts	Tags	Tags	Tags	N-terminal Tags	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
D	d2k8md1	All beta proteins	C2 domain-like	C2 domain (Calcium/lipid-binding domain, CaLB)	Synaptotagmin-like (S variant)	Synaptogamin I	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
D	d2k8md2	Artifacts	Tags	Tags	Tags	N-terminal Tags	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B	d2k8mb_	All alpha proteins	EF Hand-like	EF-hand	automated matches	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
C	d2k8mc_	All alpha proteins	EF Hand-like	EF-hand	automated matches	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)
B	SCOP2B Superfamily	EF-hand	8034916	3001983	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	EF-hand	8034916	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	PF00168	e2k8mA1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: C2 domain (From Topology)	T: C2 domain	F: PF00168	ECOD (1.6)
D	PF00168	e2k8mD1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: C2 domain (From Topology)	T: C2 domain	F: PF00168	ECOD (1.6)
B	PF01023	e2k8mB1	A: alpha arrays	X: EF-hand	H: EF-hand-related	T: EF-hand	F: PF01023	ECOD (1.6)
C	PF01023	e2k8mC1	A: alpha arrays	X: EF-hand	H: EF-hand-related	T: EF-hand	F: PF01023	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.60.40.150	Mainly Beta	Sandwich	Immunoglobulin-like	C2 domain	CATH (4.3.0)
D	2.60.40.150	Mainly Beta	Sandwich	Immunoglobulin-like	C2 domain	CATH (4.3.0)
B	1.10.238.10	Mainly Alpha	Orthogonal Bundle	Recoverin	domain 1	CATH (4.3.0)
C	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, D	PF00168	C2 domain (C2)	C2 domain	-	Domain
B, C	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, D	Putative uncharacterized protein	protein binding binding SNARE binding syntaxin binding calcium-dependent phospholipid binding phospholipid binding lipid binding small molecule sensor activity calcium ion sensor activity metal ion sensor activity calmodulin binding syntaxin-3 binding identical protein binding modified amino acid binding protein binding binding SNARE binding syntaxin binding calcium-dependent phospholipid binding phospholipid binding lipid binding small molecule sensor activity calcium ion sensor activity metal ion sensor activity calmodulin binding syntaxin-3 binding identical protein binding modified amino acid binding phosphatidylserine binding clathrin binding cation binding ion binding calcium ion binding metal ion binding small molecule binding syntaxin-1 binding protein heterodimerization activity protein dimerization activity phosphatidylinositol-4,5-bisphosphate binding anion binding phosphatidylinositol bisphosphate binding phosphatidylinositol phosphate binding phosphatidylinositol binding calcium-dependent protein binding low-density lipoprotein particle receptor binding signaling receptor binding lipoprotein particle receptor binding	positive regulation of cell communication regulation of localization regulated exocytosis regulation of cellular process synaptic vesicle cycle positive regulation of neurotransmitter secretion synaptic vesicle exocytosis positive regulation of calcium ion-dependent exocytosis of neurotransmitter vesicle-mediated transport cell communication vesicle-mediated transport in synapse localization positive regulation of regulated secretory pathway establishment of localization in cell positive regulation of cell communication regulation of localization regulated exocytosis regulation of cellular process synaptic vesicle cycle positive regulation of neurotransmitter secretion synaptic vesicle exocytosis positive regulation of calcium ion-dependent exocytosis of neurotransmitter vesicle-mediated transport cell communication vesicle-mediated transport in synapse localization positive regulation of regulated secretory pathway establishment of localization in cell calcium ion-regulated exocytosis of neurotransmitter trans-synaptic signaling regulation of biological process positive regulation of neurotransmitter transport neurotransmitter secretion regulation of synaptic vesicle exocytosis positive regulation of synaptic transmission neurotransmitter transport establishment of localization regulation of secretion signal release from synapse exocytosis regulation of trans-synaptic signaling cellular localization regulation of calcium ion-dependent exocytosis of neurotransmitter transport signaling modulation of chemical synaptic transmission regulation of calcium ion-dependent exocytosis positive regulation of biological process positive regulation of secretion by cell positive regulation of exocytosis regulation of regulated secretory pathway synaptic signaling secretion by cell regulation of secretion by cell positive regulation of secretion signal release positive regulation of cellular process calcium-ion regulated exocytosis regulation of signaling positive regulation of calcium ion-dependent exocytosis positive regulation of synaptic vesicle exocytosis secretion regulation of transport regulation of neurotransmitter transport biological regulation export from cell cell-cell signaling regulation of vesicle-mediated transport chemical synaptic transmission positive regulation of transport regulation of neurotransmitter secretion anterograde trans-synaptic signaling regulation of exocytosis regulation of cell communication cellular process positive regulation of signaling cellular component organization cellular component biogenesis cellular component assembly protein-containing complex organization protein complex oligomerization protein-containing complex assembly cellular component organization or biogenesis protein heterooligomerization 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 positive regulation of organelle organization membrane fusion vesicle organization positive regulation of synaptic vesicle fusion to presynaptic active zone membrane regulation of synaptic vesicle membrane organization endomembrane system organization vesicle fusion to plasma membrane positive regulation of synaptic vesicle membrane organization regulation of organelle organization organelle fusion positive regulation of vesicle fusion vesicle fusion regulation of cellular component organization positive regulation of cellular component organization organelle membrane fusion calcium-dependent activation of synaptic vesicle fusion regulation of vesicle fusion membrane organization regulation of synaptic vesicle fusion to presynaptic active zone membrane synaptic vesicle fusion to presynaptic active zone membrane organelle organization synaptic vesicle membrane organization exocytic process organelle localization by membrane tethering organelle localization vesicle docking membrane docking multicellular organismal process regulation of growth developmental growth cell projection organization neuron projection development regulation of cell morphogenesis positive regulation of developmental process multicellular organism development cell projection morphogenesis neuron differentiation neuron projection morphogenesis cell differentiation anatomical structure development positive regulation of developmental growth system development developmental process nervous system development developmental growth involved in morphogenesis generation of neurons positive regulation of dendrite extension cellular developmental process regulation of developmental process plasma membrane bounded cell projection morphogenesis cell development cell growth cell morphogenesis neurogenesis dendrite extension regulation of anatomical structure morphogenesis neuron projection extension regulation of developmental growth plasma membrane bounded cell projection organization developmental cell growth growth regulation of dendrite extension positive regulation of cell growth regulation of cell growth anatomical structure morphogenesis positive regulation of growth neuron development synaptic vesicle endocytosis import into cell presynaptic endocytosis synaptic vesicle recycling endocytosis monoamine transport nitrogen compound transport regulation of catecholamine secretion organic hydroxy compound transport dopamine transport catecholamine transport organic substance transport dopamine secretion catecholamine secretion amine transport regulation of amine transport regulation of dopamine secretion positive regulation of amine transport positive regulation of catecholamine secretion positive regulation of dopamine secretion spontaneous synaptic transmission spontaneous neurotransmitter secretion synchronous neurotransmitter secretion synaptic transmission, glutamatergic regulation of synaptic transmission, glutamatergic fast, calcium ion-dependent exocytosis of neurotransmitter detection of stimulus detection of chemical stimulus detection of calcium ion	membrane-bounded organelle intracellular anatomical structure intracellular vesicle intracellular organelle bounding membrane of organelle cytoplasmic vesicle vesicle membrane clathrin-coated vesicle endocytic vesicle membrane coated vesicle vesicle endocytic vesicle clathrin-coated vesicle membrane clathrin-coated endocytic vesicle membrane membrane-bounded organelle intracellular anatomical structure intracellular vesicle intracellular organelle bounding membrane of organelle cytoplasmic vesicle vesicle membrane clathrin-coated vesicle endocytic vesicle membrane coated vesicle vesicle endocytic vesicle clathrin-coated vesicle membrane clathrin-coated endocytic vesicle membrane membrane cellular anatomical entity intracellular membrane-bounded organelle clathrin-coated endocytic vesicle cytoplasmic vesicle membrane coated vesicle membrane organelle cytoplasm organelle membrane clathrin-sculpted glutamate transport vesicle clathrin-sculpted vesicle transport vesicle membrane endomembrane system clathrin-sculpted glutamate transport vesicle membrane transport vesicle cell periphery presynapse synapse cell junction plasma membrane presynaptic membrane plasma membrane region synaptic membrane dense core granule secretory granule secretory vesicle clathrin-sculpted gamma-aminobutyric acid transport vesicle clathrin-sculpted gamma-aminobutyric acid transport vesicle membrane glutamatergic synapse cell projection neuron projection plasma membrane bounded cell projection Golgi apparatus synaptic vesicle synaptic vesicle membrane exocytic vesicle membrane exocytic vesicle axon clathrin-sculpted acetylcholine transport vesicle membrane clathrin-sculpted acetylcholine transport vesicle clathrin-sculpted monoamine transport vesicle clathrin-sculpted monoamine transport vesicle membrane neuron to neuron synapse hippocampal mossy fiber to CA3 synapse neuron projection terminus excitatory synapse chromaffin granule membrane chromaffin granule secretory granule membrane
B, C	Protein S100-A13	cation binding ion binding binding calcium ion binding metal ion binding small molecule binding transition metal ion binding copper ion binding fibroblast growth factor binding protein binding growth factor binding identical protein binding protein homodimerization activity protein dimerization activity cation binding ion binding binding calcium ion binding metal ion binding small molecule binding transition metal ion binding copper ion binding fibroblast growth factor binding protein binding growth factor binding identical protein binding protein homodimerization activity protein dimerization activity RAGE receptor binding signaling receptor binding lipid binding calcium-dependent protein 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 cellular biosynthetic process positive regulation of cellular metabolic process positive regulation of macromolecule biosynthetic process positive regulation of metabolic process organic substance metabolic process positive regulation of interleukin-1 alpha production positive regulation of biosynthetic process regulation of cytokine production organic substance biosynthetic process 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 cellular metabolic process regulation of cellular metabolic process regulation of macromolecule metabolic process gene expression regulation of interleukin-1 alpha production macromolecule biosynthetic process regulation of cellular 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 positive regulation of cellular biosynthetic process protein localization establishment of protein localization cellular localization nitrogen compound transport transport organic substance transport establishment of localization localization protein transport cellular macromolecule localization macromolecule localization cell population proliferation positive regulation of cell population proliferation regulation of cell population proliferation establishment of organelle localization regulated exocytosis cell activation involved in immune response leukocyte degranulation myeloid leukocyte activation myeloid leukocyte mediated immunity vesicle-mediated transport leukocyte activation secretion by cell organelle localization leukocyte activation involved in immune response establishment of localization in cell mast cell activation leukocyte mediated immunity mast cell mediated immunity immune response secretion cell activation vacuolar localization export from cell mast cell degranulation myeloid cell activation involved in immune response immune effector process mast cell activation involved in immune response exocytosis immune system process lysosome localization	membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membrane-bounded organelle cellular anatomical entity nucleolus intracellular organelle lumen intracellular organelle organelle lumen organelle intracellular non-membrane-bounded organelle nuclear lumen non-membrane-bounded organelle membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membrane-bounded organelle cellular anatomical entity nucleolus intracellular organelle lumen intracellular organelle organelle lumen organelle intracellular non-membrane-bounded organelle nuclear lumen non-membrane-bounded organelle cytoplasm cytosol cell periphery plasma membrane membrane nucleoplasm extracellular region perinuclear region of cytoplasm extracellular space

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, D	IPR000008	C2 domain	Domain
A, D	IPR001565	Synaptotagmin	Domain
A, D	IPR035892	C2 domain superfamily	Homologous Superfamily
B, C	IPR011992	EF-hand domain pair	Homologous Superfamily
B, C	IPR013787	S100/CaBP-9k-type, calcium binding, subdomain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, D	Pharos: P21579	peripheral arterial disease plasma cell myeloma acute myeloid leukemia atypical teratoid rhabdoid tumor glioblastoma lung cancer malignant glioma non-small cell lung carcinoma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia Pick disease primitive neuroectodermal tumor adenoma bladder exstrophy interstitial cystitis lung carcinoma peripheral arterial disease plasma cell myeloma acute myeloid leukemia atypical teratoid rhabdoid tumor glioblastoma lung cancer malignant glioma non-small cell lung carcinoma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia Pick disease primitive neuroectodermal tumor adenoma bladder exstrophy interstitial cystitis lung carcinoma malignant mesothelioma oligodendroglioma Parkinson disease pilocytic astrocytoma subependymal giant cell astrocytoma astrocytic tumor breast cancer large cell medulloblastoma malignant ependymoma medulloblastoma ovarian cancer

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.