7REG

DfrA1 complexed with NADPH and 4'-chloro-3'-(4-(2,4-diamino-6-ethylpyrimidin-5-yl)but-3-yn-2-yl)-[1,1'-biphenyl]-4-carboxamide (UCP1228)

External Resource: Annotation

Domain Annotation: ECOD Classification
AMR Gene: CARD Annotation
AMR Gene Family: CARD Annotation
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF00186	e7regA1	A: a/b three-layered sandwiches	X: Dihydrofolate reductases (From Topology)	H: Dihydrofolate reductases (From Topology)	T: Dihydrofolate reductases	F: PF00186	ECOD (1.6)
B	PF00186	e7regB1	A: a/b three-layered sandwiches	X: Dihydrofolate reductases (From Topology)	H: Dihydrofolate reductases (From Topology)	T: Dihydrofolate reductases	F: PF00186	ECOD (1.6)

AMR Gene: CARD Annotation CARD Database Homepage

Chains	Accession	Short Name	Description	Provenance Source (Version)
A, B	ARO:3002854	dfrA1	dfrA1 is an integron-encoded dihydrofolate reductase.	CARD (3.2.9)

AMR Gene Family: CARD Annotation CARD Database Homepage

Chains	Accession	Gene Family	Drug Class	Resistance Machanism	Provenance Source (Version)
A, B	ARO:3001218	trimethoprim resistant dihydrofolate reductase dfr	diaminopyrimidine antibiotic	antibiotic target replacement	CARD (3.2.9)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00186	Dihydrofolate reductase (DHFR_1)	Dihydrofolate reductase	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Dihydrofolate reductase type 1	binding nucleoside phosphate binding purine nucleotide binding organic cyclic compound binding adenyl nucleotide binding nucleotide binding heterocyclic compound binding NADP binding small molecule binding 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 methotrexate response to stimulus response to chemical 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 organonitrogen compound metabolic process oxoacid metabolic process response to methotrexate response to stimulus response to chemical 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 organonitrogen compound metabolic process oxoacid metabolic process dicarboxylic acid metabolic process dihydrofolate metabolic process carboxylic acid metabolic process organic acid metabolic process cellular modified amino acid metabolic process folic acid-containing compound metabolic process pteridine-containing compound metabolic process vitamin metabolic process amide metabolic process water-soluble vitamin metabolic process folic acid metabolic process response to antibiotic folic acid-containing compound biosynthetic process organonitrogen compound biosynthetic process biosynthetic process cellular modified amino acid biosynthetic process pteridine-containing compound biosynthetic process tetrahydrofolate biosynthetic process tetrahydrofolate metabolic process serine family amino acid metabolic process cellular biosynthetic process amino acid metabolic process organic acid biosynthetic process alpha-amino acid metabolic process carboxylic acid biosynthetic process glycine metabolic process glycine biosynthetic process small molecule biosynthetic process L-amino acid biosynthetic process primary metabolic process L-amino acid metabolic process proteinogenic amino acid metabolic process amino acid biosynthetic process proteinogenic amino acid biosynthetic process serine family amino acid biosynthetic process alpha-amino acid biosynthetic process	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR017925	Dihydrofolate reductase conserved site	Conserved Site
A, B	IPR012259	Dihydrofolate reductase	Family
A, B	IPR024072	Dihydrofolate reductase-like domain superfamily	Homologous Superfamily
A, B	IPR001796	Dihydrofolate reductase 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 R01GM133198.