Structure of PDB 7p46 Chain H Binding Site BS02

Receptor Information
>7p46 Chain H (length=280) Species: 190485 (Xanthomonas campestris pv. campestris str. ATCC 33913) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
KNLRDLEPGIHTDLEGRLTYGGYLRLDQLLSAQQPLSEPAHHDEMLFIIQ
SQTSELWLKLLAHELRAAIVHLQRDEVWQCRKVLARSKQVLRQLTEQWSV
LETLTPSEYMGFRDVLGPSSGFQSLQYRYIEFLLGNKNPQMLQVFAYDPA
GQARLREVLEAPSLYEEFLRYLARFGHAIPQQYQARDWTAAHVADDTLRP
VFERIYENTDRYWREYSLCEDLVDVETQFQLWRFRHMRTVMRVIGFKRGT
GGSSGVGFLQQALALTFFPELFDVRTSVGV
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 chain7p46 Chain H Residue 301 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB7p46 Binding of l-kynurenine to X. campestris tryptophan 2,3-dioxygenase.
Resolution1.7 Å
Binding residue
(original residue number in PDB)		S55 W102 L105 S124 G125 F126 Y131 R132 W236 H240 V244 G253 G255 S257 L263
Binding residue
(residue number reindexed from 1)		S51 W98 L101 S120 G121 F122 Y127 R128 W232 H236 V240 G249 G251 S253 L259
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
View graph for
Biological Process
External links
PDB RCSB:7p46, PDBe:7p46, PDBj:7p46
PDBsum7p46
PubMed34571402
UniProtQ8PDA8|T23O_XANCP Tryptophan 2,3-dioxygenase (Gene Name=kynA)

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