Annotations: 1P9N

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1p9na_	Alpha and beta proteins (a/b)	P-loop containing nucleoside triphosphate hydrolases	P-loop containing nucleoside triphosphate hydrolases	Nitrogenase iron protein-like	Molybdopterin-guanine dinucleotide biosynthesis protein MobB	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
B	d1p9nb_	Alpha and beta proteins (a/b)	P-loop containing nucleoside triphosphate hydrolases	P-loop containing nucleoside triphosphate hydrolases	Nitrogenase iron protein-like	Molybdopterin-guanine dinucleotide biosynthesis protein MobB	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Simibi-like P-loop NTPases	8017902	3002018	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Simibi-like P-loop NTPases	8017902	3002018	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	PF03205	e1p9nA1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: PF03205	ECOD (1.6)
B	PF03205	e1p9nB1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: PF03205	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.300	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	P-loop containing nucleotide triphosphate hydrolases	CATH (4.3.0)
A	2.20.25.120	Mainly Beta	Single Sheet	N-terminal domain of TfIIb		CATH (4.3.0)
B	3.40.50.300	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	P-loop containing nucleotide triphosphate hydrolases	CATH (4.3.0)
B	2.20.25.120	Mainly Beta	Single Sheet	N-terminal domain of TfIIb		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF03205	Molybdopterin guanine dinucleotide synthesis protein B (MobB)	Molybdopterin guanine dinucleotide synthesis protein B	This protein contains a P-loop.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Molybdopterin-guanine dinucleotide biosynthesis protein B	identical protein binding protein binding binding protein homodimerization activity protein dimerization activity guanyl nucleotide binding GTP binding nucleotide binding guanyl ribonucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding organic cyclic compound binding identical protein binding protein binding binding protein homodimerization activity protein dimerization activity guanyl nucleotide binding GTP binding nucleotide binding guanyl ribonucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding organic cyclic compound binding purine nucleotide binding anion binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding	organonitrogen compound metabolic process Mo-molybdopterin cofactor biosynthetic process Mo-molybdopterin cofactor metabolic process cellular metabolic process organonitrogen compound biosynthetic process primary metabolic process prosthetic group metabolic process molybdopterin cofactor biosynthetic process organic cyclic compound metabolic process organic substance metabolic process biosynthetic process organophosphate metabolic process organophosphate biosynthetic process molybdopterin cofactor metabolic process organic cyclic compound biosynthetic process organonitrogen compound metabolic process Mo-molybdopterin cofactor biosynthetic process Mo-molybdopterin cofactor metabolic process cellular metabolic process organonitrogen compound biosynthetic process primary metabolic process prosthetic group metabolic process molybdopterin cofactor biosynthetic process organic cyclic compound metabolic process organic substance metabolic process biosynthetic process organophosphate metabolic process organophosphate biosynthetic process molybdopterin cofactor metabolic process organic cyclic compound biosynthetic process phosphate-containing compound metabolic process organic substance biosynthetic process metabolic process cellular process protein metabolic process macromolecule metabolic process phosphorus metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR004435	Molybdopterin-guanine dinucleotide biosynthesis protein B (MobB) domain	Domain
A, B	IPR027417	P-loop containing nucleoside triphosphate hydrolase	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.