Structure of PDB 7mym Chain B Binding Site BS02

Receptor Information
>7mym Chain B (length=158) Species: 562 (Escherichia coli) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MISLIAALAVDRVIGMENAMPWNLPADLAWFKRNTLNKPVIMGRHTWESI
GRPLPGRKNIILSSQPGTDDRVTWVKSVDEAIAACGDVPEIMVIGGGRVY
EQFLPKAQKLYLTHIDAEVEGDTHFPDYEPDDWESVFSEFHDADAQNSHS
YCFEILER
Ligand information
Ligand IDTOP
InChIInChI=1S/C14H18N4O3/c1-19-10-5-8(6-11(20-2)12(10)21-3)4-9-7-17-14(16)18-13(9)15/h5-7H,4H2,1-3H3,(H4,15,16,17,18)
InChIKeyIEDVJHCEMCRBQM-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341COc1cc(Cc2cnc(N)nc2N)cc(OC)c1OC
OpenEye OEToolkits 1.5.0COc1cc(cc(c1OC)OC)Cc2cnc(nc2N)N
ACDLabs 10.04n1c(N)c(cnc1N)Cc2cc(OC)c(OC)c(OC)c2
FormulaC14 H18 N4 O3
NameTRIMETHOPRIM
ChEMBLCHEMBL22
DrugBankDB00440
ZINCZINC000006627681
PDB chain7mym Chain B Residue 202 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB7mym Structure-guided functional studies of plasmid-encoded dihydrofolate reductases reveal a common mechanism of trimethoprim resistance in Gram-negative pathogens.
Resolution3.04 Å
Binding residue
(original residue number in PDB)		I5 A6 M20 D27 F31 I50 I94
Binding residue
(residue number reindexed from 1)		I5 A6 M20 D27 F31 I50 I94
Annotation score1
Enzymatic activity
Enzyme Commision number 1.5.1.3: dihydrofolate reductase.
Gene Ontology
Molecular Function
GO:0004146 dihydrofolate reductase activity
GO:0005515 protein binding
GO:0005542 folic acid binding
GO:0016491 oxidoreductase activity
GO:0050661 NADP binding
GO:0051870 methotrexate binding
GO:0051871 dihydrofolic acid binding
GO:0070401 NADP+ binding
GO:0070402 NADPH binding
Biological Process
GO:0006730 one-carbon metabolic process
GO:0009257 10-formyltetrahydrofolate biosynthetic process
GO:0009410 response to xenobiotic stimulus
GO:0031427 response to methotrexate
GO:0046452 dihydrofolate metabolic process
GO:0046654 tetrahydrofolate biosynthetic process
GO:0046655 folic acid metabolic process
GO:0046656 folic acid biosynthetic process
GO:0046677 response to antibiotic
Cellular Component
GO:0005829 cytosol

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Biological Process
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Cellular Component
External links
PDB RCSB:7mym, PDBe:7mym, PDBj:7mym
PDBsum7mym
PubMed35562546
UniProtP0ABQ4|DYR_ECOLI Dihydrofolate reductase (Gene Name=folA)

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