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. 2022 Apr 29;14(6):mfac030. doi: 10.1093/mtomcs/mfac030

Table 1.

Subfamilies of the G3E P-Loop GTPases

Subfamily Known roles Known metals/metallocofactor
UreG Maturation of ureases Nickel
HypB Maturation of [NiFe]-hydrogenases Nickel
MeaB Maturation of adenosylcobalamin-dependent mutases Cobalamin
COG0523 Zinc homeostasis (ZigA/ZagA),
Nitrile hydratase maturation (Nha3),
Cobalamin cofactor biosynthesis (CobW)
Zinc
Iron
Cobalt