ATP-GRASP peptide maturase, grasp-with-spasm system
Members of this protein family are ATP-GRASP proteins that occur in a peptide maturation cassette with a SPASM domain protein. SPASM (TIGR04085) usually occurs as a C-terminal extension to radical SAM enzymes that act as peptide maturases, although it can occur independently.
Jiyao W et al.(2023). "The conserved domain database in 2023.",