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MoCo/4Fe-4S cofactor protein extended Tat translocation domain This model describes a forty-five residue domain in which the last six residues represent the start of a TAT (Twin-Arginine Translocation) sorting signal. TAT allows proteins already folded, with cofactor already bound, to transit the membrane and reach the periplasm with the ability to perform redox or other cofactor-dependent activities. TAT signals are not normally seen so far from a well-supported start site. Member proteins may all be mutually homologous, with both a molybdenum cofactor-binding domain and a 4Fe-4S dicluster-binding domain. |
Jiyao W et al.(2023). "The conserved domain database in 2023.",