Annotations: 1ZJ9

Structure of Mycobacterium tuberculosis NirA protein

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	d1zj9a1	Alpha and beta proteins (a+b)	Ferredoxin-like	Nitrite/Sulfite reductase N-terminal domain-like	Duplicated SiR/NiR-like domains 1 and 3	Sulfite reductase NirA, C-terminal domain	(Mycobacterium tuberculosis H37Rv ) [TaxId: 83332 ],	SCOPe (2.08)
A	d1zj9a2	Alpha and beta proteins (a+b)	Ferredoxin-like	Nitrite/Sulfite reductase N-terminal domain-like	Duplicated SiR/NiR-like domains 1 and 3	Sulfite reductase NirA, N-terminal domain	(Mycobacterium tuberculosis H37Rv ) [TaxId: 83332 ],	SCOPe (2.08)
A	d1zj9a3	Alpha and beta proteins (a+b)	Nitrite and sulphite reductase 4Fe-4S domain-like	Nitrite and sulphite reductase 4Fe-4S domain-like	Nitrite and sulphite reductase 4Fe-4S domain-like	Sulfite reductase NirA	(Mycobacterium tuberculosis H37Rv ) [TaxId: 83332 ],	SCOPe (2.08)
B	d1zj9b1	Alpha and beta proteins (a+b)	Ferredoxin-like	Nitrite/Sulfite reductase N-terminal domain-like	Duplicated SiR/NiR-like domains 1 and 3	Sulfite reductase NirA, C-terminal domain	(Mycobacterium tuberculosis H37Rv ) [TaxId: 83332 ],	SCOPe (2.08)
B	d1zj9b2	Alpha and beta proteins (a+b)	Ferredoxin-like	Nitrite/Sulfite reductase N-terminal domain-like	Duplicated SiR/NiR-like domains 1 and 3	Sulfite reductase NirA, N-terminal domain	(Mycobacterium tuberculosis H37Rv ) [TaxId: 83332 ],	SCOPe (2.08)
B	d1zj9b3	Alpha and beta proteins (a+b)	Nitrite and sulphite reductase 4Fe-4S domain-like	Nitrite and sulphite reductase 4Fe-4S domain-like	Nitrite and sulphite reductase 4Fe-4S domain-like	Sulfite reductase NirA	(Mycobacterium tuberculosis H37Rv ) [TaxId: 83332 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Nitrite/Sulfite reductase N-terminal domain-like	8033423	3001366	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Nitrite/Sulfite reductase N-terminal domain-like	8033422	3001366	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Nitrite and sulphite reductase 4Fe-4S domain-like	8033426	3000646	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Nitrite and sulphite reductase 4Fe-4S domain-like	8033425	3000646	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Nitrite and sulphite reductase 4Fe-4S domain-like	8033426	3000646	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Nitrite/Sulfite reductase N-terminal domain-like	8033422	3001366	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Nitrite/Sulfite reductase N-terminal domain-like	8033423	3001366	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Nitrite and sulphite reductase 4Fe-4S domain-like	8033425	3000646	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)
A	Fer4,DUF3470	e1zj9A1	A: alpha arrays	X: ETN0001 domain-like	H: ETN0001 domain-like	T: Mss4-like	F: Fer4,DUF3470	ECOD (v295.2)
A	Pkinase	e1zj9A3	A: alpha arrays	X: ETN0001 domain-like	H: ETN0001 domain-like	T: Mss4-like	F: Pkinase	ECOD (v295.2)
B	Fer4,DUF3470	e1zj9B1	A: alpha arrays	X: ETN0001 domain-like	H: ETN0001 domain-like	T: Mss4-like	F: Fer4,DUF3470	ECOD (v295.2)
B	Pkinase	e1zj9B3	A: alpha arrays	X: ETN0001 domain-like	H: ETN0001 domain-like	T: Mss4-like	F: Pkinase	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.90.480.10	Alpha Beta	Alpha-Beta Complex	Sulfite Reductase Hemoprotein	domain 2	CATH (4.3.0)
A	3.30.413.10	Alpha Beta	2-Layer Sandwich	Sulfite Reductase Hemoprotein	domain 1	CATH (4.3.0)
B	3.90.480.10	Alpha Beta	Alpha-Beta Complex	Sulfite Reductase Hemoprotein	domain 2	CATH (4.3.0)
B	3.30.413.10	Alpha Beta	2-Layer Sandwich	Sulfite Reductase Hemoprotein	domain 1	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF03460	Nitrite/Sulfite reductase ferredoxin-like half domain (NIR_SIR_ferr)	Nitrite/Sulfite reductase ferredoxin-like half domain	-	Repeat
A, B	PF01077	Nitrite and sulphite reductase 4Fe-4S domain (NIR_SIR)	Nitrite and sulphite reductase 4Fe-4S domain	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Probable ferredoxin-dependent nitrite reductase NirA	oxidoreductase activity catalytic activity oxidoreductase activity, acting on a sulfur group of donors oxidoreductase activity, acting on a sulfur group of donors, iron-sulfur protein as acceptor sulfite reductase (ferredoxin) activity iron-sulfur cluster binding binding 4 iron, 4 sulfur cluster binding metal cluster binding small molecule binding tetrapyrrole binding heme binding	sulfate assimilation sulfur compound metabolic process metabolic process cellular process	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR006067	Nitrite/sulphite reductase 4Fe-4S domain	Domain
A, B	IPR005117	Nitrite/Sulfite reductase ferredoxin-like domain	Domain
A, B	IPR051329	Nitrite and Sulfite Reductase 4Fe-4S Domain-Containing Protein	Family
A, B	IPR006066	Nitrite/sulphite reductase iron-sulphur/sirohaem-binding site	Binding Site
A, B	IPR045854	Nitrite and sulphite reductase 4Fe-4S domain-like superfamily	Homologous Superfamily
A, B	IPR036136	Nitrite/Sulfite reductase ferredoxin-like domain superfamily	Homologous Superfamily