Scaffolding protein; A scaffold on which IscS assembles Fe-S clusters. 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.

Cysteine desulfurase; Part of SUF system involved in inserting iron-sulfur clusters into proteins; in Escherichia coli this protein forms a complex with SufBD; the SufBCD complex stimulates the cysteine desulfurase SufS in conjunction with SufE; Derived by automated computational analysis using gene prediction method: Protein Homology.

With SufCD activates cysteine desulfurase SufS; Derived by automated computational analysis using gene prediction method: Protein Homology.

With SufBC activates cysteine desulfurase SufS; Derived by automated computational analysis using gene prediction method: Protein Homology.

Cysteine desufuration protein SufE; Participates in cysteine desulfuration mediated by SufS. Cysteine desulfuration mobilizes sulfur from L-cysteine to yield L- alanine and constitutes an essential step in sulfur metabolism for biosynthesis of a variety of sulfur-containing biomolecules. Functions as a sulfur acceptor for SufS, by mediating the direct transfer of the sulfur atom from the S-sulfanylcysteine of SufS, an intermediate product of cysteine desulfuration process; Belongs to the SufE family.

ATP-dependent RNA helicase RhlE; DEAD-box RNA helicase involved in ribosome assembly. Has RNA- dependent ATPase activity and unwinds double-stranded RNA.

ATP-dependent RNA helicase SrmB; DEAD-box RNA helicase involved in the assembly of the 50S ribosomal subunit at low temperature. Exhibits RNA-stimulated ATP hydrolysis and RNA unwinding activity; Belongs to the DEAD box helicase family. SrmB subfamily.

Cysteine desulfurase; Master enzyme that delivers sulfur to a number of partners involved in Fe-S cluster assembly, tRNA modification or cofactor biosynthesis. Catalyzes the removal of elemental sulfur and selenium atoms from cysteine and selenocysteine to produce alanine. Functions as a sulfur delivery protein for Fe-S cluster synthesis onto IscU, an Fe-S scaffold assembly protein, as well as other S acceptor proteins. Also functions as a selenium delivery protein in the pathway for the biosynthesis of selenophosphate.

Glycine dehydrogenase; The glycine cleavage system catalyzes the degradation of glycine. The P protein binds the alpha-amino group of glycine through its pyridoxal phosphate cofactor; CO(2) is released and the remaining methylamine moiety is then transferred to the lipoamide cofactor of the H protein; Belongs to the GcvP family.