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Literature summary for 7.1.1.5 extracted from

  • Safarian, S.; Rajendran, C.; Mueller, H.; Preu, J.; Langer, J.D.; Ovchinnikov, S.; Hirose, T.; Kusumoto, T.; Sakamoto, J.; Michel, H.
    Structure of a bd oxidase indicates similar mechanisms for membrane-integrated oxygen reductases (2016), Science, 352, 583-586 .
    View publication on PubMedView publication on EuropePMC
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Crystallization (Commentary)

Crystallization (Comment) Organism
crystals diffract anisotropically to 3.1 to 4 A resolutions. Presence of 19 transmembrane helices in a nearly oval arrangement when viewed down to the membrane Geobacillus thermodenitrificans

Organism

Organism UniProt Comment Textmining
Geobacillus thermodenitrificans A4IKP6 and A4IKP7 A4IKP6 i.e. subunit A, A4IKP7 i.e. subunit B
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Geobacillus thermodenitrificans NG80-2 A4IKP6 and A4IKP7 A4IKP6 i.e. subunit A, A4IKP7 i.e. subunit B
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Cofactor

Cofactor Comment Organism Structure
heme three hemes, found in a triangular arrangement. Heme d is present as a cis-heme d hydroxychlorin gamma-spirolactone. Molecular oxygen may access heme d laterally from the alkyl chain interface with the membrane over a short distance. Oxygen dissolved in the membrane could rapidly bind to heme d without traveling through any tunnel-like protein cavity Geobacillus thermodenitrificans