6IZ3 | pdb_00006iz3

Structural basis for activity of TRIC counter-ion channels in calcium release

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: PDBTM
Membrane Protein Annotation: MemProtMD
Membrane Protein Annotation: mpstruc

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Eukaryotic TRIC channel-like	8099811	4005384	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	TRIC channel-like	8099812	3002600	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	TRIC channel-like	8099812	3002600	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	TRIC channel-like	8099812	3002600	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	TRIC channel-like	8099812	3002600	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	cNMP_binding	e6iz3A1	A: a/b three-layered sandwiches	X: PriB N-terminal domain-like	H: Aconitase iron-sulfur domain	T: Aconitase iron-sulfur domain	F: cNMP_binding	ECOD (v294.1)
B	cNMP_binding	e6iz3B1	A: a/b three-layered sandwiches	X: PriB N-terminal domain-like	H: Aconitase iron-sulfur domain	T: Aconitase iron-sulfur domain	F: cNMP_binding	ECOD (v294.1)
C	cNMP_binding	e6iz3C1	A: a/b three-layered sandwiches	X: PriB N-terminal domain-like	H: Aconitase iron-sulfur domain	T: Aconitase iron-sulfur domain	F: cNMP_binding	ECOD (v294.1)
D	cNMP_binding	e6iz3D1	A: a/b three-layered sandwiches	X: PriB N-terminal domain-like	H: Aconitase iron-sulfur domain	T: Aconitase iron-sulfur domain	F: cNMP_binding	ECOD (v294.1)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF05197	TRIC channel (TRIC)	TRIC channel	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Trimeric intracellular cation channel type B-B	monoatomic cation transmembrane transporter activity potassium ion transmembrane transporter activity monoatomic ion channel activity potassium channel activity monoatomic cation channel activity passive transmembrane transporter activity channel activity monoatomic ion transmembrane transporter activity transporter activity metal ion transmembrane transporter activity transmembrane transporter activity identical protein binding protein binding binding	regulation of calcium ion transport regulation of localization regulation of cellular process transport monoatomic ion transmembrane transport regulation of monoatomic ion transmembrane transport calcium ion transport metal ion transport regulation of calcium ion transmembrane transport monoatomic cation transmembrane transport localization monoatomic ion transport monoatomic cation transport regulation of metal ion transport regulation of calcium ion transport regulation of localization regulation of cellular process transport monoatomic ion transmembrane transport regulation of monoatomic ion transmembrane transport calcium ion transport metal ion transport regulation of calcium ion transmembrane transport monoatomic cation transmembrane transport localization monoatomic ion transport monoatomic cation transport regulation of metal ion transport regulation of biological process calcium ion transmembrane import into cytosol regulation of transport regulation of release of sequestered calcium ion into cytosol regulation of monoatomic ion transport biological regulation establishment of localization transmembrane transport release of sequestered calcium ion into cytosol regulation of transmembrane transport cellular process regulation of monoatomic cation transmembrane transport calcium ion transmembrane transport	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure organelle endoplasmic reticulum cytoplasm intracellular membrane-bounded organelle endomembrane system organelle subcompartment membrane endoplasmic reticulum subcompartment nuclear outer membrane-endoplasmic reticulum membrane network organelle membrane membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure organelle endoplasmic reticulum cytoplasm intracellular membrane-bounded organelle endomembrane system organelle subcompartment membrane endoplasmic reticulum subcompartment nuclear outer membrane-endoplasmic reticulum membrane network organelle membrane endoplasmic reticulum membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR007866	TRIC channel	Family

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A, B, C, D	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A, B, C, D	MemProtMD	Annotated as membrane protein by MemProtMD

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, B, C, D	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Channels: Potassium, Sodium, & Proton Ion-Selective	Trimeric intracellular cation (TRIC) channel, TRIC-B subtype, Ca²⁺-free, cubic (7 KeV data)

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.