N6-(phospho-5'-guanosine)-L-lysine 345.04742431640625 345.209991455078125 473.14239501953125 473.3800048828125 L-lysine monoanhydride with 5'-guanylic acid N6GMPLys N6-(5'-guanylyl)-lysine natural A protein modification that effectively crosslinks an L-lysine residue and 5'-phosphoguanosine through a phosphoramide ester bond to form N6-(phospho-5'-guanosine)-L-lysine. N6-L-lysine 5'-guanosine phosphoramidester epsilon-5'-guanylic-L-lysine N6-(phospho-5'-guanosine)-L-lysine lysine guanosine-5'-monophosphate none N(zeta)-5'-guanylic-lysine ACT_SITE N6-GMP-lysine intermediate PSI-MOD K C 16 H 24 N 7 O 8 P 1 MOD:00233 Phosphoguanosine From DeltaMass: Average Mass: 345 Formula:C10H12O5N7P1 Monoisotopic Mass Change:345.047 Average Mass Change:345.209 References:PE Sciex C 10 H 12 N 5 O 7 P 1 phospho-guanosine 5'-guanylic-N6-L-lysine (2S)-2-amino-6-(5'-guanosine phosphonamino)hexanoic acid 5'phos Guanosyl modified L-lysine residue guanylated residue