2GKN | pdb_00002gkn

Crystal structure of Mycobacterium tuberculosis trHbN, GlnE11Val mutant

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)
B	d2gknb_	All alpha proteins	Globin-like	Globin-like	Truncated hemoglobin	Protozoan/bacterial hemoglobin	(Mycobacterium tuberculosis ) [TaxId: 1773 ],	SCOPe (2.08)
A	d2gkna_	All alpha proteins	Globin-like	Globin-like	Truncated hemoglobin	Protozoan/bacterial hemoglobin	(Mycobacterium tuberculosis ) [TaxId: 1773 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	Globin-like	8033912	3000554	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Globin-like	8033912	3000554	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)
B	MarR	e2gknB1	A: a/b three-layered sandwiches	X: HTH	H: Nudix	T: winged helix domain	F: MarR	ECOD (v294.1)
A	MarR	e2gknA1	A: a/b three-layered sandwiches	X: HTH	H: Nudix	T: winged helix domain	F: MarR	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	1.10.490.10	Mainly Alpha	Orthogonal Bundle	Globin-like	Globins	CATH (4.3.0)
A	1.10.490.10	Mainly Alpha	Orthogonal Bundle	Globin-like	Globins	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF01152	Bacterial-like globin (Bac_globin)	Bacterial-like globin	This family of heme binding proteins are found mainly in bacteria. However they can also be found in some protozoa and plants as well.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Hemoglobin-like protein HbN	oxidoreductase activity oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen nitric oxide dioxygenase NAD(P)H activity catalytic activity oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, NAD(P)H as one donor, and incorporation of two atoms of oxygen into one donor dioxygenase activity oxygen binding binding small molecule binding peroxidase activity thioredoxin-dependent peroxiredoxin activity antioxidant activity oxidoreductase activity, acting on peroxide as acceptor thioredoxin peroxidase activity oxidoreductase activity oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen nitric oxide dioxygenase NAD(P)H activity catalytic activity oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, NAD(P)H as one donor, and incorporation of two atoms of oxygen into one donor dioxygenase activity oxygen binding binding small molecule binding peroxidase activity thioredoxin-dependent peroxiredoxin activity antioxidant activity oxidoreductase activity, acting on peroxide as acceptor thioredoxin peroxidase activity peroxiredoxin activity oxygen carrier activity molecular carrier activity tetrapyrrole binding heme binding cation binding ion binding metal ion binding	nitric oxide metabolic process catabolic process nitric oxide catabolic process metabolic process cellular process reactive nitrogen species metabolic process cell redox homeostasis cellular homeostasis homeostatic process response to stimulus response to chemical detoxification response to nitrogen compound detoxification of nitrogen compound nitric oxide metabolic process catabolic process nitric oxide catabolic process metabolic process cellular process reactive nitrogen species metabolic process cell redox homeostasis cellular homeostasis homeostatic process response to stimulus response to chemical detoxification response to nitrogen compound detoxification of nitrogen compound response to toxic substance cellular response to stimulus response to oxidative stress cellular response to chemical stimulus cellular response to stress response to stress cellular response to oxidative stress cellular response to chemical stress	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR016339	Truncated hemoglobin, group 1	Family
A, B	IPR001486	Truncated hemoglobin	Family
A, B	IPR009050	Globin-like superfamily	Homologous Superfamily
A, B	IPR012292	Globin/Protoglobin	Homologous Superfamily
A, B	IPR019795	Globin, bacterial-like, conserved site	Conserved 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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.