2CZL
Crystal structure of MqnD (TTHA1568), a menaquinone biosynthetic enzyme from Thermus thermophilus HB8 (Cys11 modified with beta-mercaptoethanol)
Rubredoxin, Soluble cytochrome b562, Melatonin receptor type 1B - Escherichia coli, Homo sapiens, Clostridium pasteurianum