Annotations: 1VIF

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1vifa_	All beta proteins	SH3-like barrel	Electron transport accessory proteins	R67 dihydrofolate reductase	R67 dihydrofolate reductase	(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	Electron transport accessory proteins	8036825	3000325	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	DHFR_2	e1vifA1	A: beta barrels	X: SH3	H: SH3	T: SH3	F: DHFR_2	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.30.30.60	Mainly Beta	Roll	SH3 type barrels.		CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	DIHYDROFOLATE REDUCTASE	dihydrofolate reductase activity oxidoreductase activity oxidoreductase activity, acting on the CH-NH group of donors, NAD or NADP as acceptor oxidoreductase activity, acting on the CH-NH group of donors catalytic activity	response to stimulus response to chemical response to xenobiotic stimulus response to methotrexate response to oxygen-containing compound response to nitrogen compound small molecule metabolic process metabolic process cellular process one-carbon metabolic process folic acid-containing compound biosynthetic process modified amino acid biosynthetic process modified amino acid metabolic process biosynthetic process response to stimulus response to chemical response to xenobiotic stimulus response to methotrexate response to oxygen-containing compound response to nitrogen compound small molecule metabolic process metabolic process cellular process one-carbon metabolic process folic acid-containing compound biosynthetic process modified amino acid biosynthetic process modified amino acid metabolic process biosynthetic process folic acid-containing compound metabolic process pteridine-containing compound biosynthetic process tetrahydrofolate biosynthetic process pteridine-containing compound metabolic process tetrahydrofolate metabolic process response to antibiotic	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR008990	Electron transport accessory-like domain superfamily	Homologous Superfamily
A	IPR009159	Dihydrofolate reductase, type II	Family
A	IPR023408	Mechanosensitive ion channel MscS, beta-domain superfamily	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 R01GM157729.