Structure of PDB 4du2 Chain B Binding Site BS01

Receptor Information
>4du2 Chain B (length=444) Species: 1404 (Priestia megaterium) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
KEMPQPKTFGELKNLPLLNTDKPVQALMKIADELGEIFKFEAPGRVTRYL
SSQRLIKEACDESRFDKNLSQAPKFVRDLAGDGLFTSWTHEKNWKKAHNI
LLPSFSQQAMKGYHAMMVDIAVQLVQKWERLNADEHIEVPEDMTRLTLDT
IGLCGFNYRFNSFYRDQPHPFITSMVRALDEAMNKLRRENKRQFQEDIKV
MNDLVDKIIADRKASGEQSDDLLTHMLNGKDPETGEPLDDENIRYQIITF
LAAGHEATSGLLSFALYFLVKNPHELQKAAEEAARVLVDPVPSHKQVKQL
KYVGMVLNEALRLWPTAPAFSLYAKEDTVLGGEYPLEKGDELMVLIPQLH
RDKTVWGDDVEEFRPERFENPSAIPQHAFKPFGNGQRACIGQQFALHEAT
LVLGMMLKHFDFEDHTNYELDIKETLTLKPEGFVVKAKSKKIPL
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 chain4du2 Chain B Residue 500 [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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PDB4du2 Structure-guided directed evolution of highly selective p450-based magnetic resonance imaging sensors for dopamine and serotonin.
Resolution1.9 Å
Binding residue
(original residue number in PDB)		K69 L86 F87 W96 F107 F261 G265 A268 T269 F331 P392 F393 R398 C400 I401 G402
Binding residue
(residue number reindexed from 1)		K67 L84 F85 W94 F105 F250 G254 A257 T258 F320 P381 F382 R387 C389 I390 G391
Annotation score4
Enzymatic activity
Catalytic site (original residue number in PDB) A268 F393 C400
Catalytic site (residue number reindexed from 1) A257 F382 C389
Enzyme Commision number 1.14.14.1: unspecific monooxygenase.
1.6.2.4: NADPH--hemoprotein reductase.
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

View graph for
Molecular Function
External links
PDB RCSB:4du2, PDBe:4du2, PDBj:4du2
PDBsum4du2
PubMed22659321
UniProtP14779|CPXB_PRIM2 Bifunctional cytochrome P450/NADPH--P450 reductase (Gene Name=cyp102A1)

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