Structure of PDB 2nw8 Chain A Binding Site BS03

Receptor Information
>2nw8 Chain A (length=266) Species: 340 (Xanthomonas campestris pv. campestris) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
EGRLTYGGYLRLDQLLSAQQPLSEPAHHDEMLFIIQHQTSELWLKLLAHE
LRAAIVHLQRDEVWQCRKVLARSKQVLRQLTEQWSVLETLTPSEYMGFRD
VLGPSSGFQSLQYRYIEFLLGNKNPQMLQVFAYDPAGQARLREVLEAPSL
YEEFLRYLARFGHAIPQQYQARDWTAAHVADDTLRPVFERIYENTDRYWR
EYSLCEDLVDVETQFQLWRFRHMRTVMRVIGFKRGTGGSSGVGFLQQALA
LTFFPELFDVRTSVGV
Ligand information
Ligand IDHEM
InChIInChI=1S/C34H34N4O4.Fe/c1-7-21-17(3)25-13-26-19(5)23(9-11-33(39)40)31(37-26)16-32-24(10-12-34(41)42)20(6)28(38-32)15-30-22(8-2)18(4)27(36-30)14-29(21)35-25;/h7-8,13-16H,1-2,9-12H2,3-6H3,(H4,35,36,37,38,39,40,41,42);/q;+2/p-2/b25-13-,26-13-,27-14-,28-15-,29-14-,30-15-,31-16-,32-16-;
InChIKeyKABFMIBPWCXCRK-RGGAHWMASA-L
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.7.6Cc1c2n3c(c1CCC(=O)O)C=C4C(=C(C5=[N]4[Fe]36[N]7=C(C=C8N6C(=C5)C(=C8C)C=C)C(=C(C7=C2)C)C=C)C)CCC(=O)O
CACTVS 3.385CC1=C(CCC(O)=O)C2=Cc3n4[Fe]5|6|N2=C1C=c7n5c(=CC8=N|6C(=Cc4c(C)c3CCC(O)=O)C(=C8C=C)C)c(C)c7C=C
ACDLabs 12.01C=1c3c(c(c4C=C5C(=C(C=6C=C7C(=C(C8=CC=2C(=C(C=1N=2[Fe](n34)(N5=6)N78)CCC(=O)O)C)\C=C)C)\C=C)C)C)CCC(=O)O
FormulaC34 H32 Fe N4 O4
NamePROTOPORPHYRIN IX CONTAINING FE;
HEME
ChEMBL
DrugBankDB18267
ZINC
PDB chain2nw8 Chain A Residue 401 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB2nw8 Molecular insights into substrate recognition and catalysis by tryptophan 2,3-dioxygenase.
Resolution1.6 Å
Binding residue
(original residue number in PDB)
F51 H55 S58 W102 Y113 G125 F126 Y131 R132 H240 V244 G253 G255 S257
Binding residue
(residue number reindexed from 1)
F33 H37 S40 W84 Y95 G107 F108 Y113 R114 H222 V226 G235 G237 S239
Annotation score1
Enzymatic activity
Enzyme Commision number 1.13.11.11: tryptophan 2,3-dioxygenase.
Gene Ontology
Molecular Function
GO:0004833 tryptophan 2,3-dioxygenase activity
GO:0020037 heme binding
GO:0046872 metal ion binding
GO:0051213 dioxygenase activity
Biological Process
GO:0006569 tryptophan catabolic process
GO:0019441 tryptophan catabolic process to kynurenine
GO:0019442 tryptophan catabolic process to acetyl-CoA

View graph for
Molecular Function

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Biological Process
External links
PDB RCSB:2nw8, PDBe:2nw8, PDBj:2nw8
PDBsum2nw8
PubMed17197414
UniProtQ8PDA8|T23O_XANCP Tryptophan 2,3-dioxygenase (Gene Name=kynA)

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