Structure of PDB 4xe6 Chain X Binding Site BS01

Receptor Information
>4xe6 Chain X (length=157) Species: 1280 (Staphylococcus aureus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
TLSILVAHDLQRVIGFENQLPWHLPNDLKHVKKLSTGHTLVMGRKTFESI
GKPLPNRRNVVLTSDTSFNVEGVDVIHSIEDIYQLPGHVFIFGGQTLFEE
MIDKVDDMYITVIEGKFRGDTFFPPYTFEDWEVASSVEGKLDEKNTIPHT
FLHLIRK
Ligand information
Ligand ID06U
InChIInChI=1S/C22H23N5O/c1-4-20-19(21(23)27-22(24)26-20)6-5-14(2)16-11-17(13-18(12-16)28-3)15-7-9-25-10-8-15/h7-14H,4H2,1-3H3,(H4,23,24,26,27)/t14-/m0/s1
InChIKeyKEPLBUUTAQCZOE-AWEZNQCLSA-N
SMILES
SoftwareSMILES
CACTVS 3.370CCc1nc(N)nc(N)c1C#C[CH](C)c2cc(OC)cc(c2)c3ccncc3
OpenEye OEToolkits 1.7.2CCc1c(c(nc(n1)N)N)C#C[C@H](C)c2cc(cc(c2)OC)c3ccncc3
CACTVS 3.370CCc1nc(N)nc(N)c1C#C[C@H](C)c2cc(OC)cc(c2)c3ccncc3
OpenEye OEToolkits 1.7.2CCc1c(c(nc(n1)N)N)C#CC(C)c2cc(cc(c2)OC)c3ccncc3
ACDLabs 12.01n3c(c(C#CC(c2cc(c1ccncc1)cc(OC)c2)C)c(nc3N)N)CC
FormulaC22 H23 N5 O
Name6-ethyl-5-{(3R)-3-[3-methoxy-5-(pyridin-4-yl)phenyl]but-1-yn-1-yl}pyrimidine-2,4-diamine
ChEMBLCHEMBL4483572
DrugBank
ZINCZINC000095589199
PDB chain4xe6 Chain X Residue 201 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB4xe6 Stereo-selectively Induced Cofactor Switching Provides Insight into Cofactor Site Plasticity as a Possible Mechanism of Antifolate Resistance
Resolution2.692 Å
Binding residue
(original residue number in PDB)		L5 V6 A7 D27 L28 V31 I50 F92
Binding residue
(residue number reindexed from 1)		L5 V6 A7 D27 L28 V31 I50 F92
Annotation score1
Binding affinityBindingDB: IC50=19nM,Ki=2.8nM
Enzymatic activity
Catalytic site (original residue number in PDB) L5
Catalytic site (residue number reindexed from 1) L5
Enzyme Commision number 1.5.1.3: dihydrofolate reductase.
Gene Ontology
Molecular Function
GO:0004146 dihydrofolate reductase activity
GO:0016491 oxidoreductase activity
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:4xe6, PDBe:4xe6, PDBj:4xe6
PDBsum4xe6
PubMed
UniProtP0A017|DYR_STAAU Dihydrofolate reductase (Gene Name=folA)

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