6IZ4 | pdb_00006iz4

Crystal Structure Analysis 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: OPM
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)
L	SCOP2B Superfamily	TRIC channel-like	8099812	3002600	SCOP2B (2022-06-29)
K	SCOP2B Superfamily	TRIC channel-like	8099812	3002600	SCOP2B (2022-06-29)
J	SCOP2B Superfamily	TRIC channel-like	8099812	3002600	SCOP2B (2022-06-29)
I	SCOP2B Superfamily	TRIC channel-like	8099812	3002600	SCOP2B (2022-06-29)
H	SCOP2B Superfamily	TRIC channel-like	8099812	3002600	SCOP2B (2022-06-29)
G	SCOP2B Superfamily	TRIC channel-like	8099812	3002600	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	TRIC channel-like	8099812	3002600	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	TRIC channel-like	8099812	3002600	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	TRIC channel-like	8099812	3002600	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	TRIC channel-like	8099812	3002600	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	TRIC channel-like	8099812	3002600	SCOP2B (2022-06-29)
A	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)
L	TRIC	e6iz4L1	A: alpha complex topology	X: Trimeric intracellular cation (TRIC) channel (From Topology)	H: Trimeric intracellular cation (TRIC) channel (From Topology)	T: Trimeric intracellular cation (TRIC) channel	F: TRIC	ECOD (1.6)
K	TRIC	e6iz4K1	A: alpha complex topology	X: Trimeric intracellular cation (TRIC) channel (From Topology)	H: Trimeric intracellular cation (TRIC) channel (From Topology)	T: Trimeric intracellular cation (TRIC) channel	F: TRIC	ECOD (1.6)
J	TRIC	e6iz4J1	A: alpha complex topology	X: Trimeric intracellular cation (TRIC) channel (From Topology)	H: Trimeric intracellular cation (TRIC) channel (From Topology)	T: Trimeric intracellular cation (TRIC) channel	F: TRIC	ECOD (1.6)
I	TRIC	e6iz4I1	A: alpha complex topology	X: Trimeric intracellular cation (TRIC) channel (From Topology)	H: Trimeric intracellular cation (TRIC) channel (From Topology)	T: Trimeric intracellular cation (TRIC) channel	F: TRIC	ECOD (1.6)
H	TRIC	e6iz4H1	A: alpha complex topology	X: Trimeric intracellular cation (TRIC) channel (From Topology)	H: Trimeric intracellular cation (TRIC) channel (From Topology)	T: Trimeric intracellular cation (TRIC) channel	F: TRIC	ECOD (1.6)
G	TRIC	e6iz4G1	A: alpha complex topology	X: Trimeric intracellular cation (TRIC) channel (From Topology)	H: Trimeric intracellular cation (TRIC) channel (From Topology)	T: Trimeric intracellular cation (TRIC) channel	F: TRIC	ECOD (1.6)
F	TRIC	e6iz4F1	A: alpha complex topology	X: Trimeric intracellular cation (TRIC) channel (From Topology)	H: Trimeric intracellular cation (TRIC) channel (From Topology)	T: Trimeric intracellular cation (TRIC) channel	F: TRIC	ECOD (1.6)
E	TRIC	e6iz4E1	A: alpha complex topology	X: Trimeric intracellular cation (TRIC) channel (From Topology)	H: Trimeric intracellular cation (TRIC) channel (From Topology)	T: Trimeric intracellular cation (TRIC) channel	F: TRIC	ECOD (1.6)
D	TRIC	e6iz4D1	A: alpha complex topology	X: Trimeric intracellular cation (TRIC) channel (From Topology)	H: Trimeric intracellular cation (TRIC) channel (From Topology)	T: Trimeric intracellular cation (TRIC) channel	F: TRIC	ECOD (1.6)
C	TRIC	e6iz4C1	A: alpha complex topology	X: Trimeric intracellular cation (TRIC) channel (From Topology)	H: Trimeric intracellular cation (TRIC) channel (From Topology)	T: Trimeric intracellular cation (TRIC) channel	F: TRIC	ECOD (1.6)
B	TRIC	e6iz4B1	A: alpha complex topology	X: Trimeric intracellular cation (TRIC) channel (From Topology)	H: Trimeric intracellular cation (TRIC) channel (From Topology)	T: Trimeric intracellular cation (TRIC) channel	F: TRIC	ECOD (1.6)
A	TRIC	e6iz4A1	A: alpha complex topology	X: Trimeric intracellular cation (TRIC) channel (From Topology)	H: Trimeric intracellular cation (TRIC) channel (From Topology)	T: Trimeric intracellular cation (TRIC) channel	F: TRIC	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L	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, E A, B, C, D, E, F, G, H, I, J, K, L	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 cellular localization regulation of cellular process inorganic ion homeostasis intracellular calcium ion homeostasis transport homeostatic process monoatomic ion transmembrane transport negative regulation of biological process calcium ion homeostasis regulation of monoatomic ion transmembrane transport negative regulation of sequestering of calcium ion calcium ion transport metal ion transport regulation of calcium ion transport regulation of localization cellular localization regulation of cellular process inorganic ion homeostasis intracellular calcium ion homeostasis transport homeostatic process monoatomic ion transmembrane transport negative regulation of biological process calcium ion homeostasis regulation of monoatomic ion transmembrane transport negative regulation of sequestering of calcium ion calcium ion transport metal ion transport maintenance of location in cell regulation of calcium ion transmembrane transport monoatomic cation transmembrane transport localization intracellular monoatomic cation homeostasis monoatomic ion homeostasis negative regulation of cellular process monoatomic ion transport intracellular chemical homeostasis monoatomic cation homeostasis monoatomic cation transport regulation of metal ion transport regulation of sequestering of calcium ion intracellular monoatomic ion homeostasis regulation of biological process calcium ion transmembrane import into cytosol regulation of transport regulation of release of sequestered calcium ion into cytosol sequestering of calcium ion regulation of monoatomic ion transport biological regulation establishment of localization maintenance of location transmembrane transport release of sequestered calcium ion into cytosol regulation of transmembrane transport cellular homeostasis chemical homeostasis 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, E A, B, C, D, E, F, G, H, I, J, K, L	IPR007866	TRIC channel	Family

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L	OPM	Transmembrane	Alpha-helical polytopic	Homotrimeric cation channel (TRIC)	Homotrimeric cation channel (TRIC)

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L	MemProtMD	Annotated as membrane protein by MemProtMD

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L	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.