Structure of PDB 4rkm Chain C Binding Site BS09

Receptor Information
>4rkm Chain C (length=659) Species: 273121 (Wolinella succinogenes DSM 1740) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MQMTKEAREIIAHPKGTKESRGVISLQDYIVEEQAMYDWLFKNHPIFTKY
GGKTVGKLVVKDRGEEWIEEGRGNDFSKASKRSGGEGFSSMMYRVARNST
LQYPNKFIGPEKCGECHPAQYETWSRSRHATTIRFPGEHPEVNNKLNDPV
FDKDTASILPQGITPDVVYCTVGHIRTKFGFFDAWLLRGTYHVEGGLLKN
GTGQIVAGGNQWQRTWALNLSPEVAKKIKKWVPDFPVTLEEYGDNGGYVR
GLASYAAKYKKSMSFQASTSYCEVCHPWKFDFKNESEFYAALGNAKELQK
HTISKGVSCEECHGAGGHLEGGSGLLISNCERCHQRFSYSPDLMRNNPLN
AGKPDLALSSKFKSMGPGCGSEGSQTYFTAHYEKGMRCATCHDPHDVTGN
VTGEKGIKGVSYNSEQGYLSSLYSKPKLKKECTDCHKEQAYIQSKADTHS
KNSCASCHMPFMMSCENFYAIQFQDQAGFDTQRRAHIWKIDVDPARKSLV
AGSTSKDPRDGKDWHFERNEEGRNFVDLMWACARTTWADKDQAEAKGCHS
PVVSELKETLHFKDQKQVYNEVMGWQTPVKDKFTQVKVGIQGLYSLLEVK
KLAPSDKTRVYELIEKAQDTVDLIEKDGSWGMHGFKYTKQRLDAAVEYIN
EAQRIMKKS
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 chain4rkm Chain C Residue 811 [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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PDB4rkm The octahaem MccA is a haem c-copper sulfite reductase.
Resolution2.2 Å
Binding residue
(original residue number in PDB)		H411 M416 C462 C465 H466 H488 W518 R553
Binding residue
(residue number reindexed from 1)		H381 M386 C432 C435 H436 H458 W488 R523
Annotation score1
Enzymatic activity
Enzyme Commision number 1.8.99.-
Gene Ontology
Molecular Function
GO:0016002 sulfite reductase activity
GO:0020037 heme binding
Biological Process
GO:0070814 hydrogen sulfide biosynthetic process

View graph for
Molecular Function
View graph for
Biological Process
External links
PDB RCSB:4rkm, PDBe:4rkm, PDBj:4rkm
PDBsum4rkm
PubMed25642962
UniProtQ7MSJ8|MCCA_WOLSU Dissimilatory sulfite reductase MccA (Gene Name=mccA)

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