Structure of PDB 1pl0 Chain A Binding Site BS03

Receptor Information
>1pl0 Chain A (length=589) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
GQLALFSVSDKTGLVEFARNLTALGLNLVASGGTAKALRDAGLAVRDVSE
LTGFPEMLGGRVKTLHPAVHAGILARNIPEDNADMARLDFNLIRVVACNL
YPFVKTVASPGVTVEEAVEQIDIGGVTLLRAAAKNHARVTVVCEPEDYVV
VSTEMQSSESKDTSLETRRQLALKAFTHTAQYDEAISDYFRKQYSKGVSQ
MPLRYGMNPHQTPAQLYTLQPKLPITVLNGAPGFINLCDALNAWQLVKEL
KEALGIPAAASFKHVSPAGAAVGIPLSEDEAKVCMVYDLYKTLTPISAAY
ARARGADRMSSFGDFVALSDVCDVPTAKIISREVSDGIIAPGYEEEALTI
LSKKKNGNYCVLQMDQSYKPDENEVRTLFGLHLSQKRNNGVVDKSLFSNV
VTKNKDLPESALRDLIVATIAVKYTQSNSVCYAKNGQVIGIGAGQQSRIH
CTRLAGDKANYWWLRHHPQVLSMKFKTGVKRAEISNAIDQYVTGTIGEDE
DLIKWKALFEEVPELLTEAEKKEWVEKLTEVSISSDAFFPFRDNVDRAKR
SGVAYIAAPSGSAADKVVIEACDELGIILAHTNLRLFHH
Ligand information
Ligand IDBW2
InChIInChI=1S/C20H19N5O8S/c21-20-23-14-6-3-11(9-13(14)18(29)24-20)25-34(32,33)12-4-1-10(2-5-12)17(28)22-15(19(30)31)7-8-16(26)27/h1-6,9,15,25H,7-8H2,(H,22,28)(H,26,27)(H,30,31)(H3,21,23,24,29)
InChIKeyILTMHHAQXFNQFZ-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341NC1=Nc2ccc(N[S](=O)(=O)c3ccc(cc3)C(=O)NC(CCC(O)=O)C(O)=O)cc2C(=O)N1
OpenEye OEToolkits 1.5.0c1cc(ccc1C(=O)NC(CCC(=O)O)C(=O)O)S(=O)(=O)Nc2ccc3c(c2)C(=O)NC(=N3)N
OpenEye OEToolkits 1.5.0c1cc(ccc1C(=O)N[C@@H](CCC(=O)O)C(=O)O)S(=O)(=O)Nc2ccc3c(c2)C(=O)NC(=N3)N
ACDLabs 10.04O=C(O)C(NC(=O)c1ccc(cc1)S(=O)(=O)Nc3ccc2N=C(NC(=O)c2c3)N)CCC(=O)O
FormulaC20 H19 N5 O8 S
NameN-(4-{[(2-AMINO-4-OXO-3,4-DIHYDROQUINAZOLIN-6-YL)AMINO]SULFONYL}BENZOYL)GLUTAMIC ACID;
BW2315U89UC
ChEMBL
DrugBank
ZINC
PDB chain1pl0 Chain B Residue 802 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB1pl0 Crystal Structures of Human Bifunctional Enzyme Aminoimidazole-4-carboxamide Ribonucleotide Transformylase/IMP Cyclohydrolase in Complex with Potent Sulfonyl-containing Antifolates.
Resolution2.6 Å
Binding residue
(original residue number in PDB)
K266 M312 F315
Binding residue
(residue number reindexed from 1)
K263 M309 F312
Annotation score2
Binding affinityPDBbind-CN: -logKd/Ki=8.22,Ki=6nM
BindingDB: Ki=6.0nM,IC50=1000nM
Enzymatic activity
Catalytic site (original residue number in PDB) K266 H267 N431 H592
Catalytic site (residue number reindexed from 1) K263 H264 N428 H589
Enzyme Commision number 2.1.2.3: phosphoribosylaminoimidazolecarboxamide formyltransferase.
3.5.4.10: IMP cyclohydrolase.
Gene Ontology
Molecular Function
GO:0003824 catalytic activity
GO:0003937 IMP cyclohydrolase activity
GO:0004643 phosphoribosylaminoimidazolecarboxamide formyltransferase activity
GO:0016740 transferase activity
GO:0016787 hydrolase activity
GO:0042803 protein homodimerization activity
GO:0045296 cadherin binding
Biological Process
GO:0003360 brainstem development
GO:0006139 nucleobase-containing compound metabolic process
GO:0006164 purine nucleotide biosynthetic process
GO:0006177 GMP biosynthetic process
GO:0006189 'de novo' IMP biosynthetic process
GO:0021549 cerebellum development
GO:0021987 cerebral cortex development
GO:0031100 animal organ regeneration
GO:0044208 'de novo' AMP biosynthetic process
GO:0046452 dihydrofolate metabolic process
GO:0046654 tetrahydrofolate biosynthetic process
GO:0097294 'de novo' XMP biosynthetic process
GO:0098761 cellular response to interleukin-7
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol
GO:0005886 plasma membrane
GO:0016020 membrane
GO:0070062 extracellular exosome

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Molecular Function

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Biological Process

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Cellular Component
External links
PDB RCSB:1pl0, PDBe:1pl0, PDBj:1pl0
PDBsum1pl0
PubMed14966129
UniProtP31939|PUR9_HUMAN Bifunctional purine biosynthesis protein ATIC (Gene Name=ATIC)

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