Structure of PDB 1ksu Chain B Binding Site BS04

Receptor Information
>1ksu Chain B (length=568) Species: 56812 (Shewanella frigidimarina) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
ADNLAEFHVQNQECDSCHTPDGELSNDSLTYENTQCVSCHGTLAEVAETT
KHEHYNAHASHFPGEVACTSCHSAHEKSMVYCDSCHSFDFNMPYAKKWLR
DEPTIAELAKDKSERQAALASAPHDTVDVVVVGSGGAGFSAAISATDSGA
KVILIEKEPVIGGNAKLAAGGMNAAWTDQQKAKKITDSPELMFEDTMKGG
QNINDPALVKVLSSHSKDSVDWMTAMGADLTDVGMMGGASVNRAHRPTGG
AGVGAHVVQVLYDNAVKRNIDLRMNTRGIEVLKDDKGTVKGILVKGMYKG
YYWVKADAVILATGGFAKNNERVAKLDPSLKGFISTNQPGAVGDGLDVAE
NAGGALKDMQYIQAHPTLSVKGGVMVTEAVRGNGAILVNREGKRFVNEIT
TRDKASAAILAQTGKSAYLIFDDSVRKSLSKIDKYIGLGVAPTADSLVKL
GKMEGIDGKALTETVARYNSLVSSGKDTDFERPNLPRALNEGNYYAIEVT
PGVHYTMGGVMIDTKAEVMNAKKQVIPGLYGAGEVTGGVHGANRLGGNAI
SDIITFGRLAGEEAAKYS
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 chain1ksu Chain B Residue 803 [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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PDB1ksu Role of His505 in the soluble fumarate reductase from Shewanella frigidimarina.
Resolution2.0 Å
Binding residue
(original residue number in PDB)		H40 L43 H52 A57 H58 C68 C71 H72 F90 N91 M92
Binding residue
(residue number reindexed from 1)		H40 L43 H52 A57 H58 C68 C71 H72 F90 N91 M92
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) M236 Q363 H365 M375 E378 R381 R402 H504 Y505 R544
Catalytic site (residue number reindexed from 1) M236 Q363 H365 M375 E378 R381 R402 H504 Y505 R544
Enzyme Commision number 1.3.2.4: fumarate reductase (cytochrome).
Gene Ontology
Molecular Function
GO:0009055 electron transfer activity
GO:0010181 FMN binding
GO:0016491 oxidoreductase activity
GO:0046872 metal ion binding
Biological Process
GO:0008202 steroid metabolic process
GO:0009061 anaerobic respiration
GO:0019645 anaerobic electron transport chain
Cellular Component
GO:0030288 outer membrane-bounded periplasmic space
GO:0042597 periplasmic space

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:1ksu, PDBe:1ksu, PDBj:1ksu
PDBsum1ksu
PubMed12093271
UniProtP0C278|FCCA_SHEFR Fumarate reductase (cytochrome) (Gene Name=fccA)

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