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

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

Walker et al. Proteome Science 2006 4:9   doi:10.1186/1477-5956-4-9