Brand  (β version)

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hetatm:

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information
centroid:
interaction residue:

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Ligands
Code Name Link
SX Sulfur oxide
ACT Acetate ion
BU3 (R,R)-2,3-butanediol
CU1 Copper (I) ion
HEM Protoporphyrin ix containing Fe
SO2 Sulfur dioxide
Code : 4RKM
Header : UNKNOWN FUNCTION
Title : Wolinella succinogenes octaheme sulfite reductase MccA, form I
Release Data : 2015-02-04
Compound :
mol_id molecule chains
1 MccA A,B,C,D,E,F,H,I,J,K,L,G
Source :
mol_id organism_scientific expression_system
1 Wolinella succinogenes DSM 1740  (taxid:273121) Wolinella succinogenes  (taxid:844)
strain: ATCC 29543 / DSM 1740 / LMG 7466 / NCTC 11488 / FDC 602W
gene: mccA, WS0379
expression_system_vector_type: homologous recombination
Authors : Hermann, B., Kern, M., La Pietra, L., Simon, J., Einsle, O.
Keywords : multiheme cytochrome c, sulfite reductase, periplasmic, UNKNOWN FUNCTION
Exp. method : X-RAY DIFFRACTION ( 2.20 Å )
Citation :

The octahaem MccA is a haem c-copper sulfite reductase.

Hermann, B.,Kern, M.,La Pietra, L.  et al.
(2015)  Nature  520 : 706 - 709

PubMed: 25642962
DOI: 10.1038/nature14109

Chain : A, B, C, D, E, F, H, I, J, K, L, G
UniProt : Q7MSJ8 (MCCA_WOLSU)
Reaction : Hydrogen sulfide + a [protein]-disulfide + 2 acceptor + 3 H(2)O = sulfite + a [protein]-dithiol + 2 reduced acceptor + 2 H(+).