Annotations: 2HU9

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF18423	e2hu9A1	A: few secondary structure elements	X: Rubredoxin-like	H: Zinc-binding domain in CopZ (From Topology)	T: Zinc-binding domain in CopZ	F: PF18423	ECOD (1.6)
A	F_UNCLASSIFIED	e2hu9A2	A: few secondary structure elements	X: 2Fe-2S binding domain in CopZ (From Topology)	H: 2Fe-2S binding domain in CopZ (From Topology)	T: 2Fe-2S binding domain in CopZ	F: F_UNCLASSIFIED	ECOD (1.6)
B	PF18423	e2hu9B1	A: few secondary structure elements	X: Rubredoxin-like	H: Zinc-binding domain in CopZ (From Topology)	T: Zinc-binding domain in CopZ	F: PF18423	ECOD (1.6)
B	F_UNCLASSIFIED	e2hu9B2	A: few secondary structure elements	X: 2Fe-2S binding domain in CopZ (From Topology)	H: 2Fe-2S binding domain in CopZ (From Topology)	T: 2Fe-2S binding domain in CopZ	F: F_UNCLASSIFIED	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.20.25.270	Mainly Beta	Single Sheet	N-terminal domain of TfIIb		CATH (4.3.0)
A	1.10.10.1100	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	BFD-like [2Fe-2S]-binding domain	CATH (4.3.0)
B	2.20.25.270	Mainly Beta	Single Sheet	N-terminal domain of TfIIb		CATH (4.3.0)
B	1.10.10.1100	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	BFD-like [2Fe-2S]-binding domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF18423	Zinc binding domain (zf_CopZ)	Zinc binding domain	This is N-terminal domain containing a mononuclear metal center for zinc binding found in copper chaperone CopZ proteins [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Mercuric transport protein periplasmic component	iron-sulfur cluster binding binding 4 iron, 4 sulfur cluster binding metal cluster binding small molecule binding cation binding ion binding metal ion binding	-	intracellular anatomical structure cytoplasm cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR040890	CopZ, zinc binding domain	Domain
A, B	IPR017969	Heavy-metal-associated, conserved site	Conserved Site
A, B	IPR006121	Heavy metal-associated domain, HMA	Domain
A, B	IPR041854	BFD-like [2Fe-2S]-binding domain superfamily	Homologous Superfamily
A, B	IPR036163	Heavy metal-associated domain superfamily	Homologous Superfamily

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 R01GM133198.