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. 2013 Oct 21;42(2):918–925. doi: 10.1093/nar/gkt929

Table 1.

SMARCAL1 phosphorylation sites identified by mass spectrometry

Phosphorylation site Peptide identified by MS
S112 KPEEMPTACPGHS*PR
S123, S129 SQMALTGIS*PPLAQS*PPEVPK
S129 SQMALTGISPPLAQS*PPEVPK
S172 or S173 (SS)*QETPAHSSGQPPR
S198 AS*PSGQNISYIHSSSESVTPR
S652 LKSDVLS*QLPAK
S889 IYDLFQKS*FEK

SMARCAL1 was purified from human cells, trypsinized and analyzed by tandem mass spectrometry to identify phosphorylated residues. The fragmentation of the peptide containing S172 and S173 could not distinguish which of these residues were phosphorylated.