[sulfur-carrier protein]-C-terminal Gly-Gly + hydrogen sulfide + ATP <=> [sulfur-carrier protein]-C-terminal-Gly-aminoethanethioate + AMP + diphosphate
[sulfur-carrier protein]-c-terminal gly-gly + hydrogen sulfide + atp <=> [sulfur-carrier protein]-c-terminal-gly-aminoethanethioate + amp + diphosphate
[sulfur-carrier protein]-C-terminal Gly-Gly + hydrogen sulfide + ATP <=> [sulfur-carrier protein]-C-terminal-Gly-aminoethanethioate + AMP + diphosphate
[sulfur-carrier protein]-c-terminal gly-gly + hydrogen sulfide + atp <=> [sulfur-carrier protein]-c-terminal-gly-aminoethanethioate + amp + diphosphate