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Table 1 Determination of sites of phosphorylation in Tat

From: Phosphorylation of HIV-1 Tat by CDK2 in HIV-1 transcription

Peak Peptides matching to Tat MW -18Da Matching peptides
I (T)RKGLGISYG(R) 950.606 932.606 932.606
931.553
  (L)GISYGRKKRR/(Q) 1220.7 1202.7 1202.7
1202.698
  (S)YGRKKRRQRR/(R) 1403.779 1385.779 1385.779
1385.777
II (L)EPWKHPGSQPRTACNNCYCK/(K) 2319.272 2301.272 2301.272
2301.274
  (P)WKHPGSQPRTAC(N) 1367.563 1349.563 1349.563
1349.544
1349.563
1349.544
  (P)WKHPGSQPRTACNN(C) 1595.811 1577.811 1577.811,
1576.779
  (P)NLEPWKHPG(S) 1077.606 1059.606 1059.606