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Table 1 D. melanogaster accessory gland proteins identified by proteomics. AG proteins with a secretory signal peptide identified by either MALDI-MS or LC-MS/MS of tryptic fragments of AG protein spots excised from 2D gels. Data presented in parenthesis is derived from MALDI-MS analysis

From: Proteomic identification of Drosophila melanogaster male accessory gland proteins, including a pro-cathepsin and a soluble γ-glutamyl transpeptidase

CG number Protein name Homology Predicted function Number of peptides matched % coverage Estimated protein Mr (kDa) Theoretical Mr (kDa)
CG2852   peptidyl-prolyl cis-trans isomerase protein folding 11(8) 57 (46) 20 22
CG2918   heat shock protein 70 kDA chaperone 14 17 106 103
CG4147 Hsc-70-3 heat shock protein chaperone (15) (26) 71 72
CG4847   cathepsin K peptidase 3 (9) 8 (39) 42 44
CG5520 Gp93 histidine kinase-like ATPase chaperone 2 3 92 90
CG6461 Ggt-1 γ-glutamyl transpeptidase peptidase 2 5 24 63
CG6988 Pdi protein disulfide isomerase protein folding 8 23 62 56
CG7157 Acp36DE   hormone (3) (3) 102 102
CG9334 Spn3 serpin peptidase inhibitor (14) (45) 45 42
CG9429 calreticulin chaperone chaperone (8) (21) 53 47
CG9847 Fkbp13 peptidyl-prolyl cis-trans isomerase protein folding 2 12 26 24
CG17575   CRISP   (6) (25) 33 32
CG31872   triacylglycerol lipase lipid metabolism 6 (4) 7 (4) 118 119
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Proteome Science

ISSN: 1477-5956