Annotations: 1TWJ

Crystal Structure of B. subtilis PurS P21 Crystal Form

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)
D	d1twjd_	Alpha and beta proteins (a+b)	PurS-like	PurS-like	PurS subunit of FGAM synthetase	PurS subunit of FGAM synthetase	(Bacillus subtilis ) [TaxId: 1423 ],	SCOPe (2.08)
C	d1twjc_	Alpha and beta proteins (a+b)	PurS-like	PurS-like	PurS subunit of FGAM synthetase	PurS subunit of FGAM synthetase	(Bacillus subtilis ) [TaxId: 1423 ],	SCOPe (2.08)
B	d1twjb_	Alpha and beta proteins (a+b)	PurS-like	PurS-like	PurS subunit of FGAM synthetase	PurS subunit of FGAM synthetase	(Bacillus subtilis ) [TaxId: 1423 ],	SCOPe (2.08)
A	d1twja_	Alpha and beta proteins (a+b)	PurS-like	PurS-like	PurS subunit of FGAM synthetase	PurS subunit of FGAM synthetase	(Bacillus subtilis ) [TaxId: 1423 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D	SCOP2B Superfamily	PurS-like	8039961	3000512	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	PurS-like	8039961	3000512	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	PurS-like	8039961	3000512	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	PurS-like	8039961	3000512	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)
D	Propep_M14	e1twjD1	A: alpha arrays	X: ETN0001 domain-like	H: ETN0001 domain-like	T: Mss4-like	F: Propep_M14	ECOD (v295.2)
C	Propep_M14	e1twjC1	A: alpha arrays	X: ETN0001 domain-like	H: ETN0001 domain-like	T: Mss4-like	F: Propep_M14	ECOD (v295.2)
B	Propep_M14	e1twjB1	A: alpha arrays	X: ETN0001 domain-like	H: ETN0001 domain-like	T: Mss4-like	F: Propep_M14	ECOD (v295.2)
A	Propep_M14	e1twjA1	A: alpha arrays	X: ETN0001 domain-like	H: ETN0001 domain-like	T: Mss4-like	F: Propep_M14	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	3.30.1280.10	Alpha Beta	2-Layer Sandwich	Mth169	Chain: A ,	CATH (4.3.0)
C	3.30.1280.10	Alpha Beta	2-Layer Sandwich	Mth169	Chain: A ,	CATH (4.3.0)
B	3.30.1280.10	Alpha Beta	2-Layer Sandwich	Mth169	Chain: A ,	CATH (4.3.0)
A	3.30.1280.10	Alpha Beta	2-Layer Sandwich	Mth169	Chain: A ,	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF02700	Phosphoribosylformylglycinamidine (FGAM) synthase (PurS)	Phosphoribosylformylglycinamidine (FGAM) synthase	This family forms a component of the de novo purine biosynthesis pathway.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Hypothetical UPF0062 protein yexA	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 carbon-nitrogen ligase activity, with glutamine as amido-N-donor phosphoribosylformylglycinamidine synthase activity catalytic activity ligase activity, forming carbon-nitrogen bonds ligase activity	ribose phosphate metabolic process IMP metabolic process purine ribonucleoside monophosphate biosynthetic process nucleotide biosynthetic process carbohydrate derivative metabolic process purine ribonucleotide biosynthetic process nucleobase-containing compound metabolic process ribonucleotide biosynthetic process purine nucleoside monophosphate biosynthetic process purine ribonucleoside monophosphate metabolic process purine nucleotide metabolic process ribonucleotide metabolic process nucleobase-containing small molecule metabolic process purine-containing compound biosynthetic process purine nucleoside monophosphate metabolic process ribose phosphate metabolic process IMP metabolic process purine ribonucleoside monophosphate biosynthetic process nucleotide biosynthetic process carbohydrate derivative metabolic process purine ribonucleotide biosynthetic process nucleobase-containing compound metabolic process ribonucleotide biosynthetic process purine nucleoside monophosphate biosynthetic process purine ribonucleoside monophosphate metabolic process purine nucleotide metabolic process ribonucleotide metabolic process nucleobase-containing small molecule metabolic process purine-containing compound biosynthetic process purine nucleoside monophosphate metabolic process small molecule metabolic process phosphorus metabolic process ribose phosphate biosynthetic process nucleoside monophosphate metabolic process nucleoside phosphate metabolic process carbohydrate derivative biosynthetic process primary metabolic process nucleotide metabolic process nucleobase-containing compound biosynthetic process nucleoside monophosphate biosynthetic process purine-containing compound metabolic process IMP biosynthetic process biosynthetic process organophosphate metabolic process organophosphate biosynthetic process nucleoside phosphate biosynthetic process metabolic process cellular process 'de novo' IMP biosynthetic process purine ribonucleotide metabolic process ribonucleoside monophosphate biosynthetic process purine nucleotide biosynthetic process	cellular anatomical structure intracellular anatomical structure cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR036604	Phosphoribosylformylglycinamidine synthase subunit PurS-like superfamily	Homologous Superfamily
A, B, C, D	IPR003850	Phosphoribosylformylglycinamidine synthase subunit PurS	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.