Structure of PDB 5w3q Chain A Binding Site BS02

Receptor Information
>5w3q Chain A (length=159) Species: 83333 (Escherichia coli K-12) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MISLIAALAVDRVIGMENAMPWNLPADFAWFKRNTLNKPVIMGRHTWESI
GRPLPGRKNIILSSQPGTDDRVTWVKSVDEAIAACGDVPEIMVIGGGRVY
EQFLPKAQKLYLTHIDAEVEGDTHFPDYEPDDWESVFSEFHDADAQNSHS
YCFEILERR
Ligand information
Ligand IDCA
InChIInChI=1S/Ca/q+2
InChIKeyBHPQYMZQTOCNFJ-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341[Ca++]
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Ca+2]
FormulaCa
NameCALCIUM ION
ChEMBL
DrugBankDB14577
ZINC
PDB chain5w3q Chain A Residue 202 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB5w3q Defining the Structural Basis for Allosteric Product Release from E. coli Dihydrofolate Reductase Using NMR Relaxation Dispersion.
Resolution1.401 Å
Binding residue
(original residue number in PDB)		D116 H149
Binding residue
(residue number reindexed from 1)		D116 H149
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) I5 M20 W22 D27 F28 F31 L54 I91 T113
Catalytic site (residue number reindexed from 1) I5 M20 W22 D27 F28 F31 L54 I91 T113
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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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:5w3q, PDBe:5w3q, PDBj:5w3q
PDBsum5w3q
PubMed28737940
UniProtP0ABQ4|DYR_ECOLI Dihydrofolate reductase (Gene Name=folA)

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