Robuta

https://www.ncbi.nlm.nih.gov/Structure/pdb/5ODC
HETERODISULFIDE REDUCTASE, SUBUNIT AHETERODISULFIDE REDUCTASE, SUBUNIT BHETERODISULFIDE REDUCTASE, SUBUNIT CMETHYL-VIOLOGEN REDUCING HYDROGENASE SUBUNIT...
nife hydrogenaseheterodisulfidereductasecomplexmethanothermococcus