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Lactate utilisation protein B, C-terminal This domain is functionally uncharacterised. This domain is found at the C-terminal of a family of 4Fe-4S, iron-sulphur cluster binding proteins, including Lactate utilisation protein B (LutB). These proteins have a perfect 4Fe-4S binding motif C-x(2)-C-x(2)-C-x(3)-CP followed by either a perfect or imperfect (the first Cys replaced by Ser) second copy. Members probably bind two 4Fe-4S iron-sulphur clusters. This domain is found in LutB proteins in association with the LUD domain (pfam02589) and usually Fer4_8 (pfam13183). The LutABC operon is involved in lactate-utilisation and is essential. |
Jiyao W et al.(2023). "The conserved domain database in 2023.",