3PJZ | pdb_00003pjz

Crystal Structure of the Potassium Transporter TrkH from Vibrio parahaemolyticus

External Resource: Annotation

Domain Annotation: ECOD Classification
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: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	Gal-bind_lectin	e3pjzB1	A: a/b three-layered sandwiches	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: Gal-bind_lectin	ECOD (v294.1)
A	TFIIS_C	e3pjzA1	A: a/b three-layered sandwiches	X: HTH	H: HTH	T: HTH motif inserted in other structures	F: TFIIS_C	ECOD (v294.1)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Potassium uptake protein TrkH	cation binding ion binding binding potassium ion binding alkali metal ion binding metal ion binding small molecule binding identical protein binding protein binding protein homodimerization activity protein dimerization activity monoatomic cation transmembrane transporter activity monoatomic anion transmembrane transporter activity chloride transmembrane transporter activity cation binding ion binding binding potassium ion binding alkali metal ion binding metal ion binding small molecule binding identical protein binding protein binding protein homodimerization activity protein dimerization activity monoatomic cation transmembrane transporter activity monoatomic anion transmembrane transporter activity chloride transmembrane transporter activity solute:monoatomic cation symporter activity potassium ion transmembrane transporter activity monoatomic anion:monoatomic cation symporter activity secondary active transmembrane transporter activity chloride:monoatomic cation symporter activity active transmembrane transporter activity monoatomic ion transmembrane transporter activity transporter activity metal ion transmembrane transporter activity transmembrane transporter activity symporter activity potassium:chloride symporter activity monoatomic ion channel activity potassium channel activity monoatomic cation channel activity passive transmembrane transporter activity channel activity	transport monoatomic ion transmembrane transport potassium ion transmembrane transport establishment of localization metal ion transport monoatomic cation transmembrane transport transmembrane transport localization monoatomic ion transport potassium ion transport cellular process monoatomic cation transport	cell periphery cellular anatomical structure plasma membrane membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR003445	Cation transporter	Family
A, B	IPR004772	TrkH potassium transport family	Family

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, B	OPM	Transmembrane	Alpha-helical polytopic	Ion channel (VIC) superfamily	Potassium transporter TrkH/TrkA complex

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

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

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

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

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, B	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Superfamily of K⁺ Transporters (SKT proteins)	TrkH potassium ion transporter

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.

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