2KT2 | pdb_00002kt2

Structure of NmerA, the N-terminal HMA domain of Tn501 Mercuric Reductase

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)
A	d2kt2a_	Alpha and beta proteins (a+b)	Ferredoxin-like	HMA, heavy metal-associated domain	automated matches	automated matches	(Pseudomonas aeruginosa ) [TaxId: 287 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	HMA, heavy metal-associated domain	8084338	4001253	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	HMA, heavy metal-associated domain	8084339	3001159	SCOP2 (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	HMA	e2kt2A1	A: a+b two layers	X: Alpha-beta plaits	H: HMA-related	T: HMA, heavy metal-associated domain	F: HMA	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.70.100	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00403	Heavy-metal-associated domain (HMA)	Heavy-metal-associated domain		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Mercuric reductase	oxidoreductase activity, acting on metal ions oxidoreductase activity mercury (II) reductase (NADP+) activity oxidoreductase activity, acting on metal ions, NAD or NADP as acceptor catalytic activity binding nucleoside phosphate binding purine nucleotide binding adenyl nucleotide binding nucleotide binding heterocyclic compound binding NADP binding small molecule binding flavin adenine dinucleotide binding oxidoreductase activity, acting on metal ions oxidoreductase activity mercury (II) reductase (NADP+) activity oxidoreductase activity, acting on metal ions, NAD or NADP as acceptor catalytic activity binding nucleoside phosphate binding purine nucleotide binding adenyl nucleotide binding nucleotide binding heterocyclic compound binding NADP binding small molecule binding flavin adenine dinucleotide binding ion binding anion binding cation binding transition metal ion binding mercury ion binding metal ion binding NAD(P)H dehydrogenase (quinone) activity oxidoreductase activity, acting on NAD(P)H oxidoreductase activity, acting on NAD(P)H, quinone or similar compound as acceptor oxidoreductase activity, acting on a sulfur group of donors oxidoreductase activity, acting on a sulfur group of donors, NAD(P) as acceptor	detoxification of inorganic compound response to mercury ion response to stimulus response to metal ion response to chemical detoxification detoxification of mercury ion response to toxic substance	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR004099	Pyridine nucleotide-disulphide oxidoreductase, dimerisation domain	Domain
A	IPR017969	Heavy-metal-associated, conserved site	Conserved Site
A	IPR006121	Heavy metal-associated domain, HMA	Domain
A	IPR001100	Pyridine nucleotide-disulphide oxidoreductase, class I	Family
A	IPR016156	FAD/NAD-linked reductase, dimerisation domain superfamily	Homologous Superfamily
A	IPR036188	FAD/NAD(P)-binding domain superfamily	Homologous Superfamily
A	IPR021179	Mercury(II) reductase	Family
A	IPR023753	FAD/NAD(P)-binding domain	Domain
A	IPR036163	Heavy metal-associated domain superfamily	Homologous Superfamily
A	IPR012999	Pyridine nucleotide-disulphide oxidoreductase, class I, active site	Active Site

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.