Structure of PDB 7r3u Chain B Binding Site BS02

Receptor Information
>7r3u Chain B (length=405) Species: 83332 (Mycobacterium tuberculosis H37Rv) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
SPNLPPGFDFTDPAIYAERLPVAEFAELRSAAPIWWNGQDPGKGGGFHDG
GFWAITKLNDVKEISRHSDVFSSYENGVIPRFKNDIAREDIEVQRFVMLN
MDAPHHTRLRKIISRGFTPRAVGRLHDELQERAQKIAAEAAAAGSGDFVE
QVSCELPLQAIAGLLGVPQEDRGKLFHWSNEMTGNEDPEYAHIDPKASSA
ELIGYAMKMAEEKAKNPDIVTQLIQADGEKLSDDEFGFFVVMLAVAGNET
TRNSITQGMMAFAEHPDQWELYKKVRPETAADEIVRWATPVTAFQRTALR
DYELSGVQIKKGQRVVMFYRSANFDEEVFQDPFTFNILRNPNPHVGFGGT
GAHYCIGANLARMTINLIFNAVADHMPDLKPISAPERLRSGWLNGIKHWQ
VDYTG
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 chain7r3u Chain B Residue 502 [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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PDB7r3u Structure Based Discovery of Inhibitors of CYP125 and CYP142 from Mycobacterium tuberculosis.
Resolution1.86 Å
Binding residue
(original residue number in PDB)		L117 H124 R128 A268 G269 T272 T273 P312 F316 R318 G368 F369 H375 C377 I378 G379 A383
Binding residue
(residue number reindexed from 1)		L99 H106 R110 A246 G247 T250 T251 P290 F294 R296 G346 F347 H353 C355 I356 G357 A361
Annotation score1
Enzymatic activity
Enzyme Commision number 1.14.15.29: cholest-4-en-3-one 26-monooxygenase [(25S)-3-oxocholest-4-en-26-oate forming].
Gene Ontology
Molecular Function
GO:0004497 monooxygenase activity
GO:0005506 iron ion binding
GO:0008395 steroid hydroxylase activity
GO:0016705 oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen
GO:0020037 heme binding
GO:0036199 cholest-4-en-3-one 26-monooxygenase activity
GO:0046872 metal ion binding
Biological Process
GO:0006707 cholesterol catabolic process
GO:0008203 cholesterol metabolic process
GO:0016042 lipid catabolic process
GO:0051701 biological process involved in interaction with host

View graph for
Molecular Function
View graph for
Biological Process
External links
PDB RCSB:7r3u, PDBe:7r3u, PDBj:7r3u
PDBsum7r3u
PubMed36912255
UniProtP9WPP1|CP125_MYCTU Steroid C26-monooxygenase (Gene Name=cyp125)

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