Annotations: 7XI7

Human dihydrofolate reductase complexed with P39

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Dihydrofolate reductase-like	8040487	3001255	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	OTCace	e7xi7A1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F: OTCace	ECOD (v295)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	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	Dihydrofolate reductase	translation regulator activity mRNA regulatory element binding translation repressor activity translation repressor activity RNA binding binding sequence-specific mRNA binding nucleic acid binding mRNA binding nucleotide binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding translation regulator activity mRNA regulatory element binding translation repressor activity translation repressor activity RNA binding binding sequence-specific mRNA binding nucleic acid binding mRNA binding nucleotide binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding heterocyclic compound binding NADPH binding NADP binding small molecule binding vitamin binding organic acid binding modified amino acid binding folic acid binding carboxylic acid 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	nucleobase-containing compound metabolic process DNA replication metabolic process cellular process primary metabolic process DNA metabolic process macromolecule metabolic process nucleic acid metabolic process regulation of cellular process negative regulation of biological process protein biosynthetic process regulation of primary metabolic process post-transcriptional regulation of gene expression negative regulation of translation nucleobase-containing compound metabolic process DNA replication metabolic process cellular process primary metabolic process DNA metabolic process macromolecule metabolic process nucleic acid metabolic process regulation of cellular process negative regulation of biological process protein biosynthetic process regulation of primary metabolic process post-transcriptional regulation of gene expression negative regulation of translation negative regulation of cellular process protein metabolic process negative regulation of protein metabolic process negative regulation of macromolecule metabolic process regulation of biosynthetic process regulation of biological process regulation of protein metabolic process negative regulation of metabolic process biological regulation regulation of macromolecule metabolic process gene expression translation macromolecule biosynthetic process regulation of gene expression negative regulation of gene expression biosynthetic process negative regulation of biosynthetic process regulation of translation negative regulation of macromolecule biosynthetic process regulation of macromolecule biosynthetic process regulation of metabolic process cellular response to stimulus response to stimulus cellular response to oxidative stress detoxification regulation of cellular response to stress reactive oxygen species metabolic process cellular response to chemical stress regulation of cellular response to oxidative stress response to superoxide cellular oxidant detoxification cellular response to oxygen radical cellular response to reactive oxygen species cellular response to stress response to stress regulation of response to stress regulation of response to oxidative stress cellular detoxification response to oxygen-containing compound regulation of superoxide metabolic process cellular response to oxygen-containing compound response to reactive oxygen species regulation of removal of superoxide radicals response to toxic substance superoxide metabolic process removal of superoxide radicals response to oxidative stress cellular response to chemical stimulus regulation of response to stimulus regulation of response to reactive oxygen species response to chemical cellular response to superoxide regulation of reactive oxygen species metabolic process cellular response to toxic substance response to oxygen radical polyol metabolic process small molecule biosynthetic process alcohol metabolic process diol biosynthetic process diol metabolic process tetrahydrobiopterin biosynthetic process tetrahydrobiopterin metabolic process pteridine-containing compound biosynthetic process polyol biosynthetic process alcohol biosynthetic process small molecule metabolic process pteridine-containing compound metabolic process response to methotrexate response to nitrogen compound one-carbon metabolic process folic acid-containing compound metabolic process modified amino acid metabolic process tetrahydrofolate metabolic process oxoacid metabolic process dicarboxylic acid metabolic process dihydrofolate metabolic process carboxylic acid metabolic process folic acid metabolic process multicellular organismal process cellular developmental process cell projection organization cell development neuron projection development regeneration response to axon injury neuron projection regeneration cellular component organization neurogenesis multicellular organism development axon regeneration neuron differentiation cell differentiation anatomical structure development cellular component organization or biogenesis response to wounding system development developmental process plasma membrane bounded cell projection organization nervous system development axon development generation of neurons neuron development pyrimidine-containing compound metabolic process nucleobase biosynthetic process pyrimidine nucleobase biosynthetic process pyrimidine nucleobase metabolic process nucleobase-containing small molecule metabolic process nucleobase metabolic process 'de novo' pyrimidine nucleobase biosynthetic process pyrimidine-containing compound biosynthetic process folic acid-containing compound biosynthetic process modified amino acid biosynthetic process tetrahydrofolate biosynthetic process	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle cytosol membraneless organelle replication fork intracellular membraneless organelle chromosome nucleus

InterPro: Protein Family Classification InterPro Database Homepage

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

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	: P00374	pancytopenia rheumatoid arthritis megaloblastic anemia osteosarcoma breast carcinoma constitutional megaloblastic anemia with severe neurologic disease Neoplasm Metastasis inborn errors of metabolism psoriasis breast cancer colorectal cancer nervous system disorder non-small cell lung carcinoma female infertility mature T-cell and NK-cell non-Hodgkin lymphoma pancytopenia rheumatoid arthritis megaloblastic anemia osteosarcoma breast carcinoma constitutional megaloblastic anemia with severe neurologic disease Neoplasm Metastasis inborn errors of metabolism psoriasis breast cancer colorectal cancer nervous system disorder non-small cell lung carcinoma female infertility mature T-cell and NK-cell non-Hodgkin lymphoma endometriosis pancreatic intraductal papillary-mucinous carcinoma glioblastoma adrenal cortex carcinoma autism large cell medulloblastoma malaria tuberculosis malignant glioma malignant pleural mesothelioma congenital anemia medulloblastoma drug-induced liver injury pancreatic intraductal papillary-mucinous neoplasm intellectual disability psoriatic arthritis leukemia malignant colon neoplasm malignant mesothelioma colorectal carcinoma mycosis fungoides gestational trophoblastic neoplasm pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia acute lymphoblastic leukemia primitive neuroectodermal tumor atypical teratoid rhabdoid tumor juvenile idiopathic arthritis bone osteosarcoma lung cancer Burkitt lymphoma malignant ependymoma

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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.