Structure of PDB 3iaf Chain A Binding Site BS01

Receptor Information
>3iaf Chain A (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)		A394 L395 T396 M421 G447 G449 S450 Y453 N475 S477 W478 G479 T481
Binding residue
(residue number reindexed from 1)		A393 L394 T395 M420 G446 G448 S449 Y452 N474 S476 W477 G478 T480
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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