Structure of PDB 2c6h Chain B Binding Site BS01

Receptor Information
>2c6h Chain B (length=394) Species: 54571 (Streptomyces venezuelae) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
VLDLGALGQDFAADPYPTYARLRAEGPAHRVRTPEGDEVWLVVGYDRARA
VLADPRFSKDWRNSTTPLTEAEAALNHNMLESDPPRHTRLRKLVAREFTM
RRVELLRPRVQEIVDGLVDAMLAAPDGRADLMESLAWPLPITVISELLGV
PEPDRAAFRVWTDAFVFPDDPAQAQTAMAEMSGYLSRLIDSKRGQDGEDL
LSALVRTSDEDGSRLTSEELLGMAHILLVAGHETTVNLIANGMYALLSHP
DQLAALRADMTLLDGAVEEMLRYEGPVESATYRFPVEPVDLDGTVIPAGD
TVLVVLADAHRTPERFPDPHRFDIRRDTAGHLAFGHGIHFCIGAPLARLE
ARIAVRALLERCPDLALDVSPGELVWYPNPMIRGLKALPIRWRR
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 chain2c6h Chain B Residue 1408 [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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PDB2c6h The Structural Basis for Substrate Anchoring, Active Site Selectivity, and Product Formation by P450 Pikc from Streptomyces Venezuelae.
Resolution2.35 Å
Binding residue
(original residue number in PDB)		M92 L93 H100 R104 F111 A243 G244 T247 T248 L251 T294 R296 A346 F347 H352 C354 I355 G356 A360
Binding residue
(residue number reindexed from 1)		M79 L80 H87 R91 F98 A230 G231 T234 T235 L238 T281 R283 A333 F334 H339 C341 I342 G343 A347
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) D23 P47 F180 A243 E246 T247 T248 V290 C354 I355 G356 E363 I395
Catalytic site (residue number reindexed from 1) D10 P34 F167 A230 E233 T234 T235 V277 C341 I342 G343 E350 I382
Enzyme Commision number 1.14.15.33: pikromycin synthase.
Gene Ontology
Molecular Function
GO:0004497 monooxygenase activity
GO:0005506 iron ion binding
GO:0016705 oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen
GO:0020037 heme binding
GO:0046872 metal ion binding
Biological Process
GO:0017000 antibiotic biosynthetic process
GO:0033068 macrolide biosynthetic process

View graph for
Molecular Function
View graph for
Biological Process
External links
PDB RCSB:2c6h, PDBe:2c6h, PDBj:2c6h
PDBsum2c6h
PubMed16825192
UniProtO87605|PIKC_STRVZ Cytochrome P450 monooxygenase PikC (Gene Name=pikC)

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