Structure of PDB 4elf Chain E Binding Site BS02

Receptor Information
>4elf Chain E (length=166) Species: 260799 (Bacillus anthracis str. Sterne) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MIVSFMVAMDENRVIGKDNNLPWRLPSELQYVKKTTMGHPLIMGRKNYEA
IGRPLPGRRNIIVTRNEGYHVEGCEVAHSVEEVFELCKNEEEIFIFGGAQ
IYDLFLPYVDKLYITKIHHAFEGDTFFPEMDMTNWKEVFVEKGLTDEKNP
YTYYYHVYEKQQLVPR
Ligand information
Ligand ID35I
InChIInChI=1S/C27H27F3N6O3/c1-38-22-13-16(12-19-14-33-26(32)35-25(19)31)11-17(24(22)39-2)7-8-23(37)36-21(9-10-27(28,29)30)20-6-4-3-5-18(20)15-34-36/h3-8,11,13-15,21H,9-10,12H2,1-2H3,(H4,31,32,33,35)/b8-7+/t21-/m0/s1
InChIKeyYOZBLXHLSFVRNH-CQQBXOTJSA-N
SMILES
SoftwareSMILES
ACDLabs 12.01FC(F)(F)CCC4c1c(cccc1)C=NN4C(=O)\C=C\c2cc(cc(OC)c2OC)Cc3cnc(nc3N)N
CACTVS 3.370COc1cc(Cc2cnc(N)nc2N)cc(/C=C/C(=O)N3N=Cc4ccccc4[C@@H]3CCC(F)(F)F)c1OC
CACTVS 3.370COc1cc(Cc2cnc(N)nc2N)cc(C=CC(=O)N3N=Cc4ccccc4[CH]3CCC(F)(F)F)c1OC
OpenEye OEToolkits 1.7.6COc1cc(cc(c1OC)C=CC(=O)N2C(c3ccccc3C=N2)CCC(F)(F)F)Cc4cnc(nc4N)N
OpenEye OEToolkits 1.7.6COc1cc(cc(c1OC)/C=C/C(=O)N2[C@H](c3ccccc3C=N2)CCC(F)(F)F)Cc4cnc(nc4N)N
FormulaC27 H27 F3 N6 O3
Name(2E)-3-{5-[(2,4-diaminopyrimidin-5-yl)methyl]-2,3-dimethoxyphenyl}-1-[(1S)-1-(3,3,3-trifluoropropyl)phthalazin-2(1H)-yl ]prop-2-en-1-one;
(S,E)-3-(5-((2,4-diaminopyrimidin-5-yl)methyl)-2,3-dimethoxyphenyl)-1-(1-(3,3,3-trifluoropropyl)phthalazin-2(1H)-yl)pro p-2-en-1-one
ChEMBL
DrugBank
ZINCZINC000084710231
PDB chain4elf Chain E Residue 203 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB4elf Structure-activity relationship for enantiomers of potent inhibitors of B. anthracis dihydrofolate reductase.
Resolution2.3 Å
Binding residue
(original residue number in PDB)		M6 V7 A8 L21 E28 L29 V32 K33 A50 I51 L55 R58 F96
Binding residue
(residue number reindexed from 1)		M6 V7 A8 L21 E28 L29 V32 K33 A50 I51 L55 R58 F96
Annotation score1
Binding affinityMOAD: Ki=9.4nM
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) M6 L21 W23 E28 L29 V32 L55 I93 T115
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:4elf, PDBe:4elf, PDBj:4elf
PDBsum4elf
PubMed22999981
UniProtQ81R22

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