TABLE 1

UL13 phosphopeptides and phosphorylation sites identified by MS/MS

Phosphorylation site(s)Peptide sequenceaPeptide count
Ser-11 and Ser-18(q)RPA(p)SHVAADI(p)SPQGAHR1
Ser-18QRPASHVAADI(p)SPQGAHR3
Ser-18QRPASHVAADI(p)SPQGAHRR1
Ser-18(q)RPASHVAADI(p)SPQGAHRR1
Ser-47 and Ser-50ASGRP(p)SGP(p)SPR1
Ser-50ASGRPSGP(p)SPR2
Ser-90 and Ser-91RR(p)S(p)SPEAPGPAAK2
Ser-91RS(p)SPEAPGPAAK1
  • a In the peptide sequences, (p)S indicates phosphorylated serine and (q) indicates an N-terminal glutamate-to-pyroglutamate conversion.