4O0Q | pdb_00004o0q

Apo structure of a methyltransferase component involved in O-demethylation

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	d4o0qb1	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	Dihydropteroate synthetase-like	automated matches	automated matches	(Desulfitobacterium hafniense DCB-2 ) [TaxId: 272564 ],	SCOPe (2.08)
B	d4o0qb2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Desulfitobacterium hafniense DCB-2 ) [TaxId: 272564 ],	SCOPe (2.08)
A	d4o0qa1	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	Dihydropteroate synthetase-like	automated matches	automated matches	(Desulfitobacterium hafniense DCB-2 ) [TaxId: 272564 ],	SCOPe (2.08)
A	d4o0qa2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Desulfitobacterium hafniense DCB-2 ) [TaxId: 272564 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2 Family	Methyltetrahydrofolate-utiluzing methyltransferases	8085430	4003343	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	Dihydropteroate synthetase-like	8085431	3000643	SCOP2 (2022-06-29)
A	SCOP2B Superfamily	Dihydropteroate synthetase-like	8085431	3000643	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	Pterin_bind	e4o0qB1	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: Pterin_bind	ECOD (1.6)
A	Pterin_bind	e4o0qA1	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: Pterin_bind	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.20.20.20	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Dihydropteroate synthase-like	CATH (4.2.0)
A	3.20.20.20	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Dihydropteroate synthase-like	CATH (4.2.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Dihydropteroate synthase DHPS	methionine synthase activity 5-methyltetrahydrofolate-dependent methyltransferase activity transferase activity, transferring one-carbon groups S-methyltransferase activity transferase activity methyltransferase activity catalytic activity	methylation metabolic process cellular process pteridine-containing compound metabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR050554	Methionine Synthase/Corrinoid	Family
A, B	IPR011005	Dihydropteroate synthase-like superfamily	Homologous Superfamily
A, B	IPR000489	Pterin-binding domain	Domain

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.