2HMS | pdb_00002hms

Rectangular-shaped octameric ring structure of an RCK domain with NADH bound

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
D	d2hmsd_	Alpha and beta proteins (a/b)	NAD(P)-binding Rossmann-fold domains	NAD(P)-binding Rossmann-fold domains	Potassium channel NAD-binding domain	Ktn bsu222	(Bacillus subtilis ) [TaxId: 1423 ],	SCOPe (2.08)
C	d2hmsc_	Alpha and beta proteins (a/b)	NAD(P)-binding Rossmann-fold domains	NAD(P)-binding Rossmann-fold domains	Potassium channel NAD-binding domain	Ktn bsu222	(Bacillus subtilis ) [TaxId: 1423 ],	SCOPe (2.08)
B	d2hmsb_	Alpha and beta proteins (a/b)	NAD(P)-binding Rossmann-fold domains	NAD(P)-binding Rossmann-fold domains	Potassium channel NAD-binding domain	Ktn bsu222	(Bacillus subtilis ) [TaxId: 1423 ],	SCOPe (2.08)
A	d2hmsa_	Alpha and beta proteins (a/b)	NAD(P)-binding Rossmann-fold domains	NAD(P)-binding Rossmann-fold domains	Potassium channel NAD-binding domain	Ktn bsu222	(Bacillus subtilis ) [TaxId: 1423 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D	SCOP2B Superfamily	Potassium channel/Rex NAD-binding domain-like	8057613	3000042	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Potassium channel/Rex NAD-binding domain-like	8057613	3000042	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Potassium channel/Rex NAD-binding domain-like	8057613	3000042	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Potassium channel/Rex NAD-binding domain-like	8057613	3000042	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)
D	FAD_binding_3	e2hmsD1	A: alpha bundles	X: HTH	H: HTH	T: winged helix domain	F: FAD_binding_3	ECOD (develop294)
C	FAD_binding_3	e2hmsC1	A: alpha bundles	X: HTH	H: HTH	T: winged helix domain	F: FAD_binding_3	ECOD (develop294)
B	FAD_binding_3	e2hmsB1	A: alpha bundles	X: HTH	H: HTH	T: winged helix domain	F: FAD_binding_3	ECOD (develop294)
A	FAD_binding_3	e2hmsA1	A: alpha bundles	X: HTH	H: HTH	T: winged helix domain	F: FAD_binding_3	ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)
C	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)
B	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)
A	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF02254	TrkA-N domain (TrkA_N)	TrkA-N domain	This domain is found in a wide variety of proteins. These protein include potassium channels Swiss:P31069, phosphoesterases Swiss:Q59027, and various other transporters. This domain binds to NAD.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	YuaA protein	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	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, C, D	IPR006037	Regulator of K+ conductance, C-terminal	Domain
A, B, C, D	IPR050721	Trk/Ktr/HKT Potassium Transport	Family
A, B, C, D	IPR036291	NAD(P)-binding domain superfamily	Homologous Superfamily
A, B, C, D	IPR036721	Regulator of K+ conductance, C-terminal domain superfamily	Homologous Superfamily
A, B, C, D	IPR003148	Regulator of K+ conductance, N-terminal lobe	Domain

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.