Structure of PDB 6tb8 Chain B Binding Site BS01

Receptor Information
>6tb8 Chain B (length=362) Species: 1200984 (Streptomyces lividans 1326) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
SAVPFHGAHQAGIATPVQDRLHFAAFDVTTEDRAAFVALLKEWTAAARRL
TAGHAVGEGAYGGLPEAPPDDTGEALGLKPSRLTLTIGFGPSLFTRFGLA
DLRPEALADLPKFPGDNLDRARSGGDLCVQACADDPQVAVHAIRNLARIG
FGKVVVRWSQLGFGKTSSTTPDKQTPRNLLGFKDGTRNIAGTEKDRLDRF
VWAAEKDGTPWMTGGSYLVARRIRMHIETWDRASLQEQEDVFGRDKGEGA
PVGKAKERDEPFLKAMKPDAHVRLAHPDSNGGATLLRRGYSFTDGTDGLG
RLDAGLFFLAYQRDIRTGFVPVQRNLATDALNEYIQHVGSAVFAVPPGVR
DADDWWGSTLFG
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 chain6tb8 Chain B Residue 501 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB6tb8 A subtle structural change in the distal haem pocket has a remarkable effect on tuning hydrogen peroxide reactivity in dye decolourising peroxidases from Streptomyces lividans.
Resolution1.8 Å
Binding residue
(original residue number in PDB)		N233 K238 D239 G240 T241 R242 M280 F297 H326 A330 H331 R342 L361 F363 F374 Q378 L381 L386
Binding residue
(residue number reindexed from 1)		N178 K183 D184 G185 T186 R187 M225 F242 H271 A275 H276 R287 L306 F308 F319 Q323 L326 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
View graph for
Biological Process
External links
PDB RCSB:6tb8, PDBe:6tb8, PDBj:6tb8
PDBsum6tb8
PubMed31942590
UniProtQ9RKQ2

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