50S ribosomal protein L3; One of the primary rRNA binding proteins, it binds directly near the 3'-end of the 23S rRNA, where it nucleates assembly of the 50S subunit.

Conserved hypothetical ferredoxin subunits of nitrite reductase. Conserved Rieske domain is present. Similar to NirD from E.Coli. InterPro: Rieske iron-sulfur protein 2Fe-2S subunit Non-secretory protein; Function unclear.

Probable GTP-binding protein; An essential GTPase which binds GTP, GDP and possibly (p)ppGpp with moderate affinity, with high nucleotide exchange rates and a fairly low GTP hydrolysis rate. Plays a role in control of the cell cycle, stress response, ribosome biogenesis and in those bacteria that undergo differentiation, in morphogenesis control. Belongs to the TRAFAC class OBG-HflX-like GTPase superfamily. OBG GTPase family.

50S ribosomal protein L15; Binds to the 23S rRNA; Belongs to the universal ribosomal protein uL15 family.

50S ribosomal protein L21; This protein binds to 23S rRNA in the presence of protein L20; Belongs to the bacterial ribosomal protein bL21 family.

Conserved hypothetical peptidase. Haomology to ne1024 of N. europaea of 59% (trembl|Q82VP2) InterPro: Peptidase family U7 (IPR002142) Tigrfam: SppA_dom: signal peptide peptidase SppA Pfam: Peptidase family U7 no signal peptide probable 1 TMH; High confidence in function and specificity.

50S ribosomal protein L4; One of the primary rRNA binding proteins, this protein initially binds near the 5'-end of the 23S rRNA. It is important during the early stages of 50S assembly. It makes multiple contacts with different domains of the 23S rRNA in the assembled 50S subunit and ribosome.

50S ribosomal protein L13; This protein is one of the early assembly proteins of the 50S ribosomal subunit, although it is not seen to bind rRNA by itself. It is important during the early stages of 50S assembly.