Structure of PDB 2qd2 Chain B Binding Site BS02

Receptor Information
>2qd2 Chain B (length=359) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
RKPKTGILMLNMGGPETLGDVHDFLLRLFLDRDLMTLPIQNKLAPAIAKR
RTPKIQEQYRRIGGGSPIKIWTSKQGEGMVKLLDELSPNTAPHKYYIGFR
YVHPLTEEAIEEMERDGLERAIAFTQYPQYSCSTTGSSLNAIYRYYNQVG
RKPTMKWSTIDRWPTHHLLIQCFADHILKELDHFPLEKRSEVVILFSAHS
LPMSVVNRGDPYPQEVSATVQKVMERLEYCNPYRLVWQSKVGPMPWLGPQ
TDESIKGLCERGRKNILLVPIAFTSDHIETLYELDIEYSQVLAKECGVEN
IRRAESLNGNPLFSKALADLVHSHIQSNELCSKQLTLSCPLCVNPVCRET
KSFFTSQQL
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 chain2qd2 Chain B Residue 601 [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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PDB2qd2 A pi-Helix Switch Selective for Porphyrin Deprotonation and Product Release in Human Ferrochelatase.
Resolution2.2 Å
Binding residue
(original residue number in PDB)		M76 F93 L98 R115 I119 Y191 S197 T198 H263 L265 P266 Y276 V305 W310 F337 H341 I342
Binding residue
(residue number reindexed from 1)		M12 F29 L34 R51 I55 Y127 S133 T134 H199 L201 P202 Y212 V241 W246 F273 H277 I278
Annotation score4
Enzymatic activity
Catalytic site (original residue number in PDB) M76 L92 L98 R164 Y165 H263 D340 E343 E347
Catalytic site (residue number reindexed from 1) M12 L28 L34 R100 Y101 H199 D276 E279 E283
Enzyme Commision number 4.98.1.1: protoporphyrin ferrochelatase.
Gene Ontology
Molecular Function
GO:0004325 ferrochelatase activity
Biological Process
GO:0006783 heme biosynthetic process

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Molecular Function
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Biological Process
External links
PDB RCSB:2qd2, PDBe:2qd2, PDBj:2qd2
PDBsum2qd2
PubMed17884090
UniProtP22830|HEMH_HUMAN Ferrochelatase, mitochondrial (Gene Name=FECH)

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