6B27

Crystal structure of human STAC2 Tandem SH3 Domains (296-411) in complex with a CaV1.1 II-III loop peptide

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	F_UNCLASSIFIED	e6b27A2	A: beta barrels	X: SH3	H: SH3	T: SH3	F: F_UNCLASSIFIED	ECOD (1.6)
A	SH3_1	e6b27A1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: SH3_1	ECOD (1.6)
B	SH3_1	e6b27B2	A: beta barrels	X: SH3	H: SH3	T: SH3	F: SH3_1	ECOD (1.6)
B	UNK_F_TYPE	e6b27B1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: UNK_F_TYPE	ECOD (1.6)
C	F_UNCLASSIFIED	e6b27C2	A: beta barrels	X: SH3	H: SH3	T: SH3	F: F_UNCLASSIFIED	ECOD (1.6)
C	SH3_1	e6b27C1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: SH3_1	ECOD (1.6)
D	F_UNCLASSIFIED	e6b27D1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: F_UNCLASSIFIED	ECOD (1.6)
D	SH3_1	e6b27D2	A: beta barrels	X: SH3	H: SH3	T: SH3	F: SH3_1	ECOD (1.6)
E	F_UNCLASSIFIED	e6b27E2	A: beta barrels	X: SH3	H: SH3	T: SH3	F: F_UNCLASSIFIED	ECOD (1.6)
E	SH3_1	e6b27E1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: SH3_1	ECOD (1.6)
F	F_UNCLASSIFIED	e6b27F2	A: beta barrels	X: SH3	H: SH3	T: SH3	F: F_UNCLASSIFIED	ECOD (1.6)
F	SH3_1	e6b27F1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: SH3_1	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.30.30.40	Mainly Beta	Roll	SH3 type barrels.	SH3 Domains	CATH (4.3.0)
B	2.30.30.40	Mainly Beta	Roll	SH3 type barrels.	SH3 Domains	CATH (4.3.0)
C	2.30.30.40	Mainly Beta	Roll	SH3 type barrels.	SH3 Domains	CATH (4.3.0)
D	2.30.30.40	Mainly Beta	Roll	SH3 type barrels.	SH3 Domains	CATH (4.3.0)
E	2.30.30.40	Mainly Beta	Roll	SH3 type barrels.	SH3 Domains	CATH (4.3.0)
F	2.30.30.40	Mainly Beta	Roll	SH3 type barrels.	SH3 Domains	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D, E A, B, C, D, E, F	PF14604	Variant SH3 domain (SH3_9)	Variant SH3 domain	-	Domain
A, B, C, D, E A, B, C, D, E, F	PF07653	Variant SH3 domain (SH3_2)	Variant SH3 domain	SH3 (Src homology 3) domains are often indicative of a protein involved in signal transduction related to cytoskeletal organisation. First described in the Src cytoplasmic tyrosine kinase Swiss:P12931. The structure is a partly opened beta barrel.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D, E A, B, C, D, E, F	SH3 and cysteine-rich domain-containing protein 2	cation binding ion binding binding metal ion binding small molecule binding	positive regulation of protein localization to plasma membrane protein localization regulation of localization cellular localization regulation of cellular process regulation of protein localization positive regulation of biological process localization cellular macromolecule localization regulation of protein localization to membrane positive regulation of cellular process positive regulation of protein localization to cell periphery regulation of biological process protein localization to cell periphery positive regulation of protein localization to plasma membrane protein localization regulation of localization cellular localization regulation of cellular process regulation of protein localization positive regulation of biological process localization cellular macromolecule localization regulation of protein localization to membrane positive regulation of cellular process positive regulation of protein localization to cell periphery regulation of biological process protein localization to cell periphery protein localization to plasma membrane biological regulation positive regulation of protein localization to membrane localization within membrane regulation of protein localization to cell periphery protein localization to membrane regulation of cellular localization macromolecule localization positive regulation of protein localization cellular process regulation of protein localization to plasma membrane multicellular organismal movement musculoskeletal movement multicellular organismal process system process nervous system process neuromuscular process skeletal muscle contraction muscle contraction muscle system process striated muscle contraction regulation of calcium ion transmembrane transporter activity regulation of calcium ion transport positive regulation of cation transmembrane transport positive regulation of calcium ion transport regulation of voltage-gated calcium channel activity calcium ion transport positive regulation of monoatomic ion transport positive regulation of monoatomic ion transmembrane transport monoatomic cation transport regulation of monoatomic ion transport inorganic ion transmembrane transport establishment of localization regulation of cation channel activity positive regulation of cation channel activity inorganic cation transmembrane transport transmembrane transport regulation of molecular function regulation of transmembrane transport transport monoatomic ion transmembrane transport positive regulation of voltage-gated calcium channel activity regulation of transmembrane transporter activity regulation of monoatomic ion transmembrane transport metal ion transport regulation of transporter activity regulation of calcium ion transmembrane transport monoatomic cation transmembrane transport positive regulation of molecular function positive regulation of calcium ion transmembrane transporter activity positive regulation of calcium ion transmembrane transport positive regulation of transmembrane transport monoatomic ion transport regulation of metal ion transport regulation of monoatomic ion transmembrane transporter activity regulation of transport positive regulation of transport positive regulation of transporter activity positive regulation of ion transmembrane transporter activity regulation of monoatomic cation transmembrane transport calcium ion transmembrane transport	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol cell periphery sarcolemma plasma membrane membrane cytoplasmic side of plasma membrane cytoplasmic side of membrane side of membrane
G, H, I, J, K G, H, I, J, K, L	Voltage-dependent L-type calcium channel subunit alpha-1S	calcium channel activity monoatomic cation transmembrane transporter activity voltage-gated calcium channel activity gated channel activity monoatomic ion channel activity voltage-gated channel activity voltage-gated monoatomic ion channel activity voltage-gated monoatomic cation channel activity monoatomic cation channel activity passive transmembrane transporter activity calcium ion transmembrane transporter activity inorganic molecular entity transmembrane transporter activity channel activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity calcium channel activity monoatomic cation transmembrane transporter activity voltage-gated calcium channel activity gated channel activity monoatomic ion channel activity voltage-gated channel activity voltage-gated monoatomic ion channel activity voltage-gated monoatomic cation channel activity monoatomic cation channel activity passive transmembrane transporter activity calcium ion transmembrane transporter activity inorganic molecular entity transmembrane transporter activity channel activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity high voltage-gated calcium channel activity transporter activity metal ion transmembrane transporter activity transmembrane transporter activity binding small molecule binding protein binding calmodulin binding molecular function activator activity molecular function regulator activity cation binding ion binding metal ion binding	multicellular organismal process system process muscle contraction muscle system process striated muscle contraction developmental process sensory organ development skeletal muscle tissue development eye development animal organ development visual system development extraocular skeletal muscle development tissue development striated muscle tissue development multicellular organismal process system process muscle contraction muscle system process striated muscle contraction developmental process sensory organ development skeletal muscle tissue development eye development animal organ development visual system development extraocular skeletal muscle development tissue development striated muscle tissue development muscle structure development skeletal muscle organ development multicellular organism development anatomical structure development camera-type eye development muscle tissue development muscle organ development sensory system development system development myotube cell development skeletal muscle fiber development cellular developmental process cell development muscle cell differentiation myotube differentiation striated muscle cell development muscle cell development cell differentiation cellular process striated muscle cell differentiation skeletal system development cellular component organization cell junction organization neuromuscular junction development synapse organization cellular component organization or biogenesis cellular response to nitrogen compound cellular response to stimulus response to stimulus cellular response to caffeine cellular response to organic cyclic compound response to nitrogen compound response to purine-containing compound response to alkaloid cellular response to chemical stimulus response to chemical cellular response to alkaloid cellular response to purine-containing compound response to organic cyclic compound response to caffeine regulation of biological process regulation of system process biological regulation positive regulation of biological process regulation of muscle system process regulation of muscle contraction positive regulation of muscle contraction positive regulation of multicellular organismal process regulation of multicellular organismal process import into cell calcium ion transmembrane import into cytosol transport monoatomic ion transmembrane transport import across plasma membrane inorganic ion transmembrane transport establishment of localization inorganic cation import across plasma membrane calcium ion transport metal ion transport inorganic cation transmembrane transport transmembrane transport monoatomic cation transmembrane transport localization calcium ion import across plasma membrane inorganic ion import across plasma membrane monoatomic ion transport calcium ion import calcium ion import into cytosol monoatomic cation transport calcium ion transmembrane transport organelle organization endoplasmic reticulum organization endomembrane system organization striated muscle adaptation muscle adaptation skeletal muscle adaptation regulation of localization cellular localization regulation of cellular process inorganic ion homeostasis intracellular calcium ion homeostasis homeostatic process negative regulation of biological process calcium ion homeostasis negative regulation of sequestering of calcium ion maintenance of location in cell intracellular monoatomic cation homeostasis monoatomic ion homeostasis negative regulation of cellular process intracellular chemical homeostasis monoatomic cation homeostasis regulation of sequestering of calcium ion intracellular monoatomic ion homeostasis sequestering of calcium ion maintenance of location release of sequestered calcium ion into cytosol cellular homeostasis chemical homeostasis myoblast fusion cell-cell fusion syncytium formation by plasma membrane fusion anatomical structure morphogenesis anatomical structure formation involved in morphogenesis syncytium formation	protein-containing complex plasma membrane protein complex sarcolemma voltage-gated calcium channel complex plasma membrane membrane membrane protein complex cation channel complex transporter complex cell periphery cellular anatomical structure transmembrane transporter complex T-tubule L-type voltage-gated calcium channel complex protein-containing complex plasma membrane protein complex sarcolemma voltage-gated calcium channel complex plasma membrane membrane membrane protein complex cation channel complex transporter complex cell periphery cellular anatomical structure transmembrane transporter complex T-tubule L-type voltage-gated calcium channel complex calcium channel complex monoatomic ion channel complex intracellular anatomical structure cytoplasm membrane-bounded organelle intracellular membrane-bounded organelle endomembrane system sarcoplasm intracellular organelle organelle endoplasmic reticulum sarcoplasmic reticulum intracellular membraneless organelle sarcomere I band membraneless organelle contractile muscle fiber supramolecular fiber myofibril supramolecular polymer supramolecular complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E A, B, C, D, E, F	IPR039688	STAC1/2/3	Family
A, B, C, D, E A, B, C, D, E, F	IPR002219	Protein kinase C-like, phorbol ester/diacylglycerol-binding domain	Domain
A, B, C, D, E A, B, C, D, E, F	IPR035509	Stac2, SH3 domain	Domain
A, B, C, D, E A, B, C, D, E, F	IPR001452	SH3 domain	Domain
A, B, C, D, E A, B, C, D, E, F	IPR036028	SH3-like domain superfamily	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F	IPR046349	C1-like domain superfamily	Homologous Superfamily
G, H, I, J, K G, H, I, J, K, L	IPR014873	Voltage-dependent calcium channel, alpha-1 subunit, IQ domain	Domain
G, H, I, J, K G, H, I, J, K, L	IPR002077	Voltage-dependent calcium channel, alpha-1 subunit	Family
G, H, I, J, K G, H, I, J, K, L	IPR031649	Voltage-dependent L-type calcium channel, IQ-associated domain	Domain
G, H, I, J, K G, H, I, J, K, L	IPR005821	Ion transport domain	Domain
G, H, I, J, K G, H, I, J, K, L	IPR005446	Voltage-dependent calcium channel, L-type, alpha-1 subunit	Family
G, H, I, J, K G, H, I, J, K, L	IPR050599	Voltage-dependent calcium channel alpha-1 subunit	Family
G, H, I, J, K G, H, I, J, K, L	IPR005450	Voltage-dependent calcium channel, L-type, alpha-1S subunit	Family
G, H, I, J, K G, H, I, J, K, L	IPR027359	Voltage-dependent channel domain superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B, C, D, E A, B, C, D, E, F	Pharos: Q6ZMT1	breast cancer osteosarcoma breast carcinoma ovarian cancer childhood-onset schizophrenia
G, H, I, J, K G, H, I, J, K, L	Pharos: Q13698	hypokalemic periodic paralysis malignant hyperthermia of anesthesia thyrotoxic periodic paralysis, susceptibility to, 1 hypokalemic periodic paralysis, type 1 malignant hyperthermia, susceptibility to, 5 hyperkalemic periodic paralysis respiratory failure psoriasis Respiratory Insufficiency tooth agenesis acute coronary syndrome familial periodic paralysis myopathy primary biliary cholangitis thyrotoxic periodic paralysis hypokalemic periodic paralysis malignant hyperthermia of anesthesia thyrotoxic periodic paralysis, susceptibility to, 1 hypokalemic periodic paralysis, type 1 malignant hyperthermia, susceptibility to, 5 hyperkalemic periodic paralysis respiratory failure psoriasis Respiratory Insufficiency tooth agenesis acute coronary syndrome familial periodic paralysis myopathy primary biliary cholangitis thyrotoxic periodic paralysis Prinzmetal angina atrial fibrillation Crohn disease hypertensive disorder inborn errors of metabolism

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.