Structure of PDB 3iaf Chain B Binding Site BS01

Receptor Information
>3iaf Chain B (length=554) Species: 294 (Pseudomonas fluorescens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
AMITGGELVVRTLIKAGVEHLFGLHGSHIDTIFQACLDHDVPIIDTRHEA
AAGHAAEGYARAGAKLGVALVTAGGGFTNAVTPIANAWLDRTPVLFLTGS
GALRDDETNTLQAGIDQVAMAAPITKWAHRVMATEHIPRLVMQAIRAALS
APRGPVLLDLPWDILMNQIDEDSVIIPDLVLSAHGARPDPADLDQALALL
RKAERPVIVLGSEASRTARKTALSAFVAATGVPVFADYEGLSMLSGLPDA
MRGGLVQNLYSFAKADAAPDLVLMLGARFGLNTGHGSGQLIPHSAQVIQV
DPDACELGRLQGIALGIVADVGGTIEALAQATAQDAAWPDRGDWCAKVTD
LAQERYASIAAKSSSEHALHPFHASQVIAKHVDAGVTVVADGALTYLWLS
EVMSRVKPGGFLCHGYLGSMGVGFGTALGAQVADLEAGRRTILVTGDGSV
GYSIGEFDTLVRKQLPLIVIIMNNQSWGATLHFQQLAVGPNRVTGTRLEN
GSYHGVAAAFGADGYHVDSVESFSAALAQALAHNRPACINVAVALDPIPP
EELI
Ligand information
Ligand IDTPP
InChIInChI=1S/C12H18N4O7P2S/c1-8-11(3-4-22-25(20,21)23-24(17,18)19)26-7-16(8)6-10-5-14-9(2)15-12(10)13/h5,7H,3-4,6H2,1-2H3,(H4-,13,14,15,17,18,19,20,21)/p+1
InChIKeyAYEKOFBPNLCAJY-UHFFFAOYSA-O
SMILES
SoftwareSMILES
CACTVS 3.341Cc1ncc(C[n+]2csc(CCO[P@@](O)(=O)O[P](O)(O)=O)c2C)c(N)n1
OpenEye OEToolkits 1.5.0Cc1c(sc[n+]1Cc2cnc(nc2N)C)CCO[P@](=O)(O)OP(=O)(O)O
OpenEye OEToolkits 1.5.0Cc1c(sc[n+]1Cc2cnc(nc2N)C)CCOP(=O)(O)OP(=O)(O)O
CACTVS 3.341Cc1ncc(C[n+]2csc(CCO[P](O)(=O)O[P](O)(O)=O)c2C)c(N)n1
ACDLabs 10.04O=P(O)(O)OP(=O)(O)OCCc1sc[n+](c1C)Cc2c(nc(nc2)C)N
FormulaC12 H19 N4 O7 P2 S
NameTHIAMINE DIPHOSPHATE
ChEMBLCHEMBL1236376
DrugBank
ZINCZINC000008215517
PDB chain3iaf Chain A Residue 571 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB3iaf Active-site engineering of benzaldehyde lyase shows that a point mutation can confer both new reactivity and susceptibility to mechanism-based inhibition.
Resolution2.8 Å
Binding residue
(original residue number in PDB)		H26 E50 T73 G76 G77
Binding residue
(residue number reindexed from 1)		H25 E49 T72 G75 G76
Annotation score1
Binding affinityPDBbind-CN: -logKd/Ki=2.92,Ki=1.2mM
Enzymatic activity
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0003824 catalytic activity
GO:0003984 acetolactate synthase activity
GO:0016829 lyase activity
GO:0030976 thiamine pyrophosphate binding
GO:0046872 metal ion binding
GO:0050660 flavin adenine dinucleotide binding
Biological Process
GO:0009097 isoleucine biosynthetic process
GO:0009099 L-valine biosynthetic process
GO:0019752 carboxylic acid metabolic process
Cellular Component
GO:0005948 acetolactate synthase complex

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:3iaf, PDBe:3iaf, PDBj:3iaf
PDBsum3iaf
PubMed20030408
UniProtQ9F4L3

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