This entry includes archaeal Zinc-ribbon containing proteins which are mostly uncharacterised. Some members of this entry have been described as OapC/ArvC, encoded by oapC gene which is part of the three-gene cluster oapABC, involved in generation of extracellular vesicles (arv, archaeal vesiculating GTAse). Knockout of OapC/ArvC leads to over vesiculation, possibly due to dysregulation of OapA/ArvA, a small GTPase, therefore, it has been suggested that OapC/ArvC may represent a GAP [[cite:PUB00154442],[cite:PUB00154443]].
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