Structure of PDB 6rqb Chain A Binding Site BS02

Receptor Information
>6rqb Chain A (length=393) Species: 1773 (Mycobacterium tuberculosis) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
TVLLEVPFSARGDRIPDAVAELRTREPIRKVRTITGAEAWLVSSYALCTQ
VLEDRRFSMKETAAAGAPRLNALTVPPEVVNNMGNIADAGLRKAVMKAIT
PKAPGLEQFLRDTANSLLDNLITEGAPADLRNDFADPLATALHCKVLGIP
QEDGPKLFRSLSIAFMSSADPIPAAKINWDRDIEYMAGILENPNITTGLM
GELSRLRKDPAYSHVSDELFATIGVTFFGAGVISTGSFLTTALISLIQRP
QLRNLLHEKPELIPAGVEELLRINLSFADGLPRLATADIQVGDVLVRKGE
LVLVLLEGANFDPEHFPNPGSIELDRPNPTSHLAFGRGQHFCPGSALGRR
HAQIGIEALLKKMPGVDLAVPIDQLVWRTRFQRRIPERLPVLW
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 chain6rqb Chain A Residue 405 [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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PDB6rqb Structure-Activity Relationships of cyclo (l-Tyrosyl-l-tyrosine) Derivatives Binding to Mycobacterium tuberculosis CYP121: Iodinated Analogues Promote Shift to High-Spin Adduct.
Resolution1.459 Å
Binding residue
(original residue number in PDB)		M62 M86 H146 G234 S237 F241 F280 L284 R286 A337 F338 H343 C345 P346
Binding residue
(residue number reindexed from 1)		M59 M83 H143 G231 S234 F238 F277 L281 R283 A334 F335 H340 C342 P343
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) S170 A233 I236 S237 T238 C345 P346 G347 H354 R386
Catalytic site (residue number reindexed from 1) S167 A230 I233 S234 T235 C342 P343 G344 H351 R383
Enzyme Commision number 1.14.19.70: mycocyclosin synthase.
Gene Ontology
Molecular Function
GO:0004497 monooxygenase activity
GO:0005506 iron ion binding
GO:0008395 steroid hydroxylase activity
GO:0009975 cyclase activity
GO:0016491 oxidoreductase activity
GO:0016705 oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen
GO:0016717 oxidoreductase activity, acting on paired donors, with oxidation of a pair of donors resulting in the reduction of molecular oxygen to two molecules of water
GO:0020037 heme binding
GO:0036199 cholest-4-en-3-one 26-monooxygenase activity
GO:0046872 metal ion binding
GO:0070025 carbon monoxide binding
Biological Process
GO:0006707 cholesterol catabolic process
Cellular Component
GO:0005737 cytoplasm

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:6rqb, PDBe:6rqb, PDBj:6rqb
PDBsum6rqb
PubMed31618032
UniProtP9WPP7|CP121_MYCTU Mycocyclosin synthase (Gene Name=cyp121)

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