Structure of PDB 6ibn Chain B Binding Site BS01

Receptor Information
>6ibn Chain B (length=361) Species: 100226 (Streptomyces coelicolor A3(2)) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
SAVPFHGAHQAGIATPVQDRLHFAAFDVTTEDRAAFVALLKEWTAAARRL
TAGHAVGEGAYGGLPEAPPDDTGEALGLKPSRLTLTIGFGPSLFTRFGLA
DLRPEALADLPKFPGDNLDRARSGGDLCVQACADDPQVAVHAIRNLARIG
FGKVVVRWSQLGFGKTSSTTPDKQTPRNLLGFKDGTRNIAGTEKDRLDRF
VWAAEKDGTPWMTGGSYLVARRIRMHIETWDRASLQEQEDVFGRDKGEGA
PVGKAKERDEPFLKAMKPDAHVRLAHPDSNGGATLLRRGYSFTDGTDGLG
RLDAGLFFLAYQRDIRTGFVPVQRNLATDALNEYIQHVGSAVFAVPPGVR
DADDWWGSTLF
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 chain6ibn Chain B Residue 501 [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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PDB6ibn Dose-resolved serial synchrotron and XFEL structures of radiation-sensitive metalloproteins.
Resolution2.18 Å
Binding residue
(original residue number in PDB)
K238 D239 G240 T241 R242 F297 H326 V327 A330 R342 F363 F374 Q378 L386
Binding residue
(residue number reindexed from 1)
K183 D184 G185 T186 R187 F242 H271 V272 A275 R287 F308 F319 Q323 L331
Annotation score4
Enzymatic activity
Enzyme Commision number 1.11.1.-
4.98.1.1: protoporphyrin ferrochelatase.
Gene Ontology
Molecular Function
GO:0004601 peroxidase activity
GO:0020037 heme binding
Biological Process
GO:0033212 iron import into cell

View graph for
Molecular Function

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Biological Process
External links
PDB RCSB:6ibn, PDBe:6ibn, PDBj:6ibn
PDBsum6ibn
PubMed31316799
UniProtQ9RKQ2

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