N-acetylmuramoyl-L-alanyl-D-glutamyl-L-lysyl-(N6-triglycine)-D-alanyl-D-alanine-diphosphoundecaprenyl-N-acetylglucosamine:glycine glycyltransferase
N-acetylmuramoyl-L-alanyl-D-glutamyl-L-lysyl-(N6-triglycine)-D-alanyl-D-alanine-diphosphoundecaprenyl-N-acetylglucosamine:glycine glycyltransferase (EC 2.3.2.18, femB (gene)) is an enzyme with systematic name N-acetylmuramoyl-L-alanyl-D-glutamyl-L-lysyl-(N6-triglycine)-D-alanyl-D-alanine-ditrans,octacis-diphosphoundecaprenyl-N-acetylglucosamine:glycine glycyltransferase.[1][2][3] This enzyme catalyses the following chemical reaction
- N-acetylmuramoyl-L-alanyl-D-isoglutaminyl-L-lysyl-(N6-triglycyl)-D-alanyl-D-alanine-diphospho-ditrans,octacis-undecaprenyl-N-acetylglucosamine + 2 glycyl-tRNA N-acetylmuramoyl-L-alanyl-D-isoglutaminyl-L-lysyl-(N6-pentaglycyl)-D-alanyl-D-alanine-diphospho-ditrans,octacis-undecaprenyl-N-acetylglucosamine + 2 tRNA
| N-acetylmuramoyl-L-alanyl-D-glutamyl-L-lysyl-(N6-triglycine)-D-alanyl-D-alanine-diphosphoundecaprenyl-N-acetylglucosamine:glycine glycyltransferase | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Identifiers | |||||||||
| EC no. | 2.3.2.18 | ||||||||
| Databases | |||||||||
| IntEnz | IntEnz view | ||||||||
| BRENDA | BRENDA entry | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | KEGG entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| PRIAM | profile | ||||||||
| PDB structures | RCSB PDB PDBe PDBsum | ||||||||
| |||||||||
This Staphylococcus aureus enzyme catalyses the successive transfer of two glycine moieties from charged tRNAs to N-acetylmuramoyl-L-alanyl-D-isoglutaminyl-L-lysyl-(N6-triglycyl)-D-alanyl-D-alanine-diphosphoundecaprenyl-N-acetylglucosamine.
References
- Ehlert K, Schröder W, Labischinski H (December 1997). "Specificities of FemA and FemB for different glycine residues: FemB cannot substitute for FemA in staphylococcal peptidoglycan pentaglycine side chain formation". Journal of Bacteriology. 179 (23): 7573–6. doi:10.1128/jb.179.23.7573-7576.1997. PMC 179711. PMID 9393725.
- Rohrer S, Berger-Bächi B (October 2003). "Application of a bacterial two-hybrid system for the analysis of protein-protein interactions between FemABX family proteins" (PDF). Microbiology. 149 (Pt 10): 2733–8. doi:10.1099/mic.0.26315-0. PMID 14523106.
- Schneider T, Senn MM, Berger-Bächi B, Tossi A, Sahl HG, Wiedemann I (July 2004). "In vitro assembly of a complete, pentaglycine interpeptide bridge containing cell wall precursor (lipid II-Gly5) of Staphylococcus aureus". Molecular Microbiology. 53 (2): 675–85. doi:10.1111/j.1365-2958.2004.04149.x. PMID 15228543.
External links
- N-acetylmuramoyl-L-alanyl-D-glutamyl-L-lysyl-(N6-triglycine)-D-alanyl-D-alanine-diphosphoundecaprenyl-N-acetylglucosamine:glycine+glycyltransferase at the U.S. National Library of Medicine Medical Subject Headings (MeSH)
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