Cysteine desulfurase IscS 2

UniProtKB accession:  O29689

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UniProtKB description:  Catalyzes the removal of elemental sulfur from cysteine to produce alanine (Probable). Binds 1 2Fe-2S cluster per subunit in a crystal formed under reducing conditions; this subunit provides 1 ligand while IscU provides the other 3 ligands. It is likely that Fe-S cluster coordination is flexible as the role of this complex is to build and then hand off Fe-S clusters.