Skip to main content

Table 2 Identification of peptides from OsCYP2 (p8 protein spot) by MALDI-TOF-MS and ESI-MS/MS

From: Proteomic identification of OsCYP2, a rice cyclophilin that confers salt tolerance in rice (Oryza sativa L.) seedlings when overexpressed

Peptide no. Match peptide sequences Methods of identification PercentCovered (%)c Modifications Ion score Ion score for acceptance
   MALDI-TOF MS ESI-MS/MS     
1 VFFDMTVGGAPAGR +a + 8.14 Noned 64 38
2 TAENFR + -b 3.49 None NDe ND
3 TAENFRALCTGEK + - 7.56 None ND ND
4 GSTFHR + - 3.49 None ND ND
5 VIPEFMCQGGDFTR + + 8.14 Carbamidomethyl (C) 79 38
6 GNGTGGESIYGEK + - 7.56 None ND ND
7 GNGTGGESIYGEKFADEVFK + - 11.63 None ND ND
8 FADEVFK + - 4.07 None ND ND
9 HVVFGR + - 3.49 None ND ND
10 GGSTA KPV VIADCGQ LS - + 9.88 Carbamidomethyl (C) 48 38
  1. a +: positive match. b -: no match. c percent covered: percent of peptide sequence to OsCYP2 sequence. d None: without modifications. e ND: not determined.
  2. f Ion score for acceptance: individual ion score > 38 indicate identity or extensive homology (p < 0.05).