Ion assignments

70.066 P (immonium ion)

86.098 L

120.082 F

126.055

175.118 y1

183.149 a2

185.094 PD-28 (internal fragment w/ a loss of carbon monoxide - CO)

211.145 b2

213.088 PD (internal fragment ion)

270.108 PDG

276.135 GFA

287.137

320.126 DGF

322.187 y2

326.171 b3

371.171 GAQGG

383.183 b4

389.183 PDGF-28

417.178 PDGF

423.235 y3

460.221 PDGFA-28

470.206 PDGFA-18

488.216 PDGFA

502.267 a5

527.237

530.263 b5

536.318 y4

573.304 a6

593.341 y5

616.278 PDGFAGA

633.323 y6-17

650.363 y6

688.399 +2 (y14-18) +2

697.354 +2 y14 +2

753.894 +2 precursor

761.400 y7-17

778.422 y7

849.461 y8

889.457 y9-17

906.479 y9

960.498 y10-17

977.517 y10

1124.587 y11

1181.604 y12

1296.633 y13

1393.699 y14