1MIO | pdb_00001mio

X-RAY CRYSTAL STRUCTURE OF THE NITROGENASE MOLYBDENUM-IRON PROTEIN FROM CLOSTRIDIUM PASTEURIANUM AT 3.0 ANGSTROMS RESOLUTION

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
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	d1miob_	Alpha and beta proteins (a/b)	Chelatase-like	'Helical backbone' metal receptor	Nitrogenase iron-molybdenum protein	Nitrogenase iron-molybdenum protein, beta chain	(Clostridium pasteurianum ) [TaxId: 1501 ],	SCOPe (2.08)
D	d1miod_	Alpha and beta proteins (a/b)	Chelatase-like	'Helical backbone' metal receptor	Nitrogenase iron-molybdenum protein	Nitrogenase iron-molybdenum protein, beta chain	(Clostridium pasteurianum ) [TaxId: 1501 ],	SCOPe (2.08)
A	d1mioa_	Alpha and beta proteins (a/b)	Chelatase-like	'Helical backbone' metal receptor	Nitrogenase iron-molybdenum protein	Nitrogenase iron-molybdenum protein, alpha chain	(Clostridium pasteurianum ) [TaxId: 1501 ],	SCOPe (2.08)
C	d1mioc_	Alpha and beta proteins (a/b)	Chelatase-like	'Helical backbone' metal receptor	Nitrogenase iron-molybdenum protein	Nitrogenase iron-molybdenum protein, alpha chain	(Clostridium pasteurianum ) [TaxId: 1501 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2 Family	Nitrogenase iron-molybdenum protein	8020858	4000849	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	Helical backbone metal receptor	8033238	3001679	SCOP2 (2022-06-29)
D	SCOP2B Superfamily	Helical backbone metal receptor	8033238	3001679	SCOP2B (2022-06-29)
A	SCOP2 Family	Nitrogenase iron-molybdenum protein	8020856	4000849	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Helical backbone metal receptor	8033236	3001679	SCOP2 (2022-06-29)
C	SCOP2B Superfamily	Helical backbone metal receptor	8033236	3001679	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	Peripla_BP_2	e1mioB1	A: a/b three-layered sandwiches	X: Thioredoxin-like	H: Nucleic acid-binding protein	T: Chelatase-like	F: Peripla_BP_2	ECOD (v294.1)
D	ZnuA	e1mioD1	A: a/b three-layered sandwiches	X: Spectrin repeat-like	H: TIM barrels	T: TIM barrels	F: ZnuA	ECOD (v294.1)
A	Peripla_BP_2	e1mioA1	A: a/b three-layered sandwiches	X: Thioredoxin-like	H: Nucleic acid-binding protein	T: Chelatase-like	F: Peripla_BP_2	ECOD (v294.1)
C	ZnuA	e1mioC1	A: a/b three-layered sandwiches	X: Spectrin repeat-like	H: TIM barrels	T: TIM barrels	F: ZnuA	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.40.50.1980	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Nitrogenase molybdenum iron protein domain	CATH (4.3.0)
B	1.20.89.10	Mainly Alpha	Up-down Bundle	Nitrogenase Molybdenum-iron Protein, subunit B	domain 4	CATH (4.3.0)
D	3.40.50.1980	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Nitrogenase molybdenum iron protein domain	CATH (4.3.0)
D	1.20.89.10	Mainly Alpha	Up-down Bundle	Nitrogenase Molybdenum-iron Protein, subunit B	domain 4	CATH (4.3.0)
A	3.40.50.1980	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Nitrogenase molybdenum iron protein domain	CATH (4.3.0)
C	3.40.50.1980	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Nitrogenase molybdenum iron protein domain	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B, D	NITROGENASE MOLYBDENUM IRON PROTEIN (BETA CHAIN)	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding iron-sulfur cluster binding metal cluster binding cation binding metal ion binding oxidoreductase activity nitrogenase activity oxidoreductase activity, acting on iron-sulfur proteins as donors catalytic activity oxidoreductase activity, acting on iron-sulfur proteins as donors, dinitrogen as acceptor	-	protein-containing complex molybdenum-iron nitrogenase complex catalytic complex nitrogenase complex oxidoreductase complex intracellular protein-containing complex
A, C	NITROGENASE MOLYBDENUM IRON PROTEIN (ALPHA CHAIN)	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding iron-sulfur cluster binding metal cluster binding cation binding metal ion binding oxidoreductase activity nitrogenase activity oxidoreductase activity, acting on iron-sulfur proteins as donors catalytic activity oxidoreductase activity, acting on iron-sulfur proteins as donors, dinitrogen as acceptor	-	protein-containing complex molybdenum-iron nitrogenase complex catalytic complex nitrogenase complex oxidoreductase complex intracellular protein-containing complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B, D	IPR000510	Nitrogenase/oxidoreductase, component 1	Domain
B, D	IPR005976	Nitrogenase molybdenum-iron protein beta chain	Family
B, D	IPR000318	Nitrogenase component 1, conserved site	Conserved Site
B, D	IPR050152	ChlB/BchB/BchZ	Family
A, C	IPR000510	Nitrogenase/oxidoreductase, component 1	Domain
A, C	IPR005972	Nitrogenase molybdenum-iron protein alpha chain	Family
A, C	IPR000318	Nitrogenase component 1, conserved site	Conserved Site
A, C	IPR010143	Nitrogenase component 1, alpha chain	Family

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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.