Structure of PDB 3jw5 Chain B Binding Site BS02

Receptor Information
>3jw5 Chain B (length=165) Species: 1392 (Bacillus anthracis) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
HHHMRVSFMVAMDENRVIGKDNNLPWRLPSELQYVKKTTMGHPLIMGRKN
YEAIGRPLPGRRNIIVTRNEGYHVEGCEVAHSVEEVFELCKNEEEIFIFG
GAQIFDLFLPYVDKLYITKIHHAFEGDTFFPEMDMTNWKEVFVEKGLTDE
KNPYTYYYHVYEKQQ
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 chain3jw5 Chain B Residue 208 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB3jw5 Mutational Studies into Trimethoprim Resistance in Bacillus anthracis Dihydrofolate Reductase
Resolution2.89 Å
Binding residue
(original residue number in PDB)		V7 A8 L21 E28 V32 A50 I51 L55 F96
Binding residue
(residue number reindexed from 1)		V10 A11 L24 E31 V35 A53 I54 L58 F99
Annotation score1
Binding affinityBindingDB: Ki=24100nM,IC50=71000nM
Enzymatic activity
Catalytic site (original residue number in PDB) M6 L21 W23 E28 L29 V32 L55 I93 T115
Catalytic site (residue number reindexed from 1) M9 L24 W26 E31 L32 V35 L58 I96 T118
Enzyme Commision number 1.5.1.3: dihydrofolate reductase.
Gene Ontology
Molecular Function
GO:0000166 nucleotide binding
GO:0004146 dihydrofolate reductase activity
GO:0016491 oxidoreductase activity
GO:0046872 metal ion binding
GO:0050661 NADP binding
Biological Process
GO:0006730 one-carbon metabolic process
GO:0046452 dihydrofolate metabolic process
GO:0046654 tetrahydrofolate biosynthetic process
GO:0046655 folic acid metabolic process
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:3jw5, PDBe:3jw5, PDBj:3jw5
PDBsum3jw5
PubMed
UniProtQ81R22

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