2RH2

High Resolution DHFR R-67

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 Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2rh2a_	All beta proteins	SH3-like barrel	Electron transport accessory proteins	R67 dihydrofolate reductase	automated matches	(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	SCOP2 Family	R67 dihydrofolate reductase	8024446	4001742	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Electron transport accessory proteins	8036825	3000325	SCOP2 (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	e2rh2A1	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)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF06442	R67 dihydrofolate reductase (DHFR_2)	R67 dihydrofolate reductase	R67 dihydrofolate reductase is a plasmid encoded enzyme that provides resistance to the antibacterial drug trimethoprim. The R67 dihydrofolate reductase does not share significant similarity to the chromosomal encoded dihydrofolate reductase [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Dihydrofolate reductase type 2	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 organic substance response to organonitrogen compound response to oxygen-containing compound response to nitrogen compound response to organic cyclic compound cellular metabolic process small molecule metabolic process metabolic process cellular process one-carbon metabolic process response to stimulus response to chemical response to xenobiotic stimulus response to methotrexate response to organic substance response to organonitrogen compound response to oxygen-containing compound response to nitrogen compound response to organic cyclic compound cellular metabolic process small molecule metabolic process metabolic process cellular process one-carbon metabolic process folic acid-containing compound biosynthetic process organonitrogen compound metabolic process organonitrogen compound biosynthetic process cellular modified amino acid metabolic process organic cyclic compound metabolic process organic substance metabolic process biosynthetic process cellular modified amino acid biosynthetic process organic cyclic compound biosynthetic process folic acid-containing compound metabolic process pteridine-containing compound biosynthetic process organic substance 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 National Science Foundation (DBI-1832184), 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.