Reaction: (2S)-2-phospholactate + GTP = (2S)-lactyl-2-diphospho-5'-guanosine + diphosphate
For diagram of coenzyme F420 biosynthesis, click here
Other name(s): cofC (gene name) (ambiguous)
Systematic name: GTP:2-phospho-L-lactate guanylyltransferase
Comments: This enzyme is involved in the biosynthesis of coenzyme F420, a redox-active cofactor, in all methanogenic archaea. cf. EC 22.214.171.124, phosphoenolpyruvate guanylyltransferase and EC 126.96.36.199, 3-phospho-(R)-glycerate guanylyltransferase.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc CAS registry number:
1. Grochowski, L.L., Xu, H. and White, R.H. Identification and characterization of the 2-phospho-L-lactate guanylyltransferase involved in coenzyme F420 biosynthesis. Biochemistry 47 (2008) 3033-3037. [PMID: 18260642]
2. Braga, D., Last, D., Hasan, M., Guo, H., Leichnitz, D., Uzum, Z., Richter, I., Schalk, F., Beemelmanns, C., Hertweck, C. and Lackner, G. Metabolic pathway rerouting in Paraburkholderia rhizoxinica evolved long-overlooked derivatives of coenzyme F420. ACS Chem. Biol. 14 (2019) 2088-2094. [PMID: 31469543]