Tandem mass spectrum of the M2 H2 ion

Tandem mass spectrum of the [M+2 H]+2 ion m/z 955. 03 in LC/ESI/MS analyses of tryptic peptides from a 70 k. Da i. PLA 2� digest (42). Upper panel illustrates the peptide sequence & expected y- and b-series ions. Deviations of the observed m/z values are also indicated.

MALDI-TOF spectra of peptides after bacteriorhodopsin cleavage. MALDI-TOF mass spectra of bacteriorhodopsin after four different cleavage procedures: trypsin, chymotrypsin, trypsin / chymotrypsin and trypsin / CNBr. Peptide masses are given if they comply with the in silico prediction (Fischer and Poetsch Proteome Science 2006 4: 2 )

Пептидный фингерпринт SAPASTTQPIGSTTSTTTKTAGATPATASGLFTIPDGDFFSTARAIVASNAVATNEDLSKIEAIWKD MKVPTDTMAQAAWDLVRHCADVGSSAQTEMIDTGPYSNGISRARLAAAIKEVCTLRQFCMKYA PVVWNWMLTNNSPPANWQAQGFKPEHKFAAFDFFNGVTNPAAIMPKEGLIRPPSEAEMNAAQT AAFVKITKARAQSNDFASLDAAVTRGRITGTTTAEAVVTLPPP (Белок оболочки Х-вируса картофеля) Num From-To MH+ HPLC 1 1 - 19 1836. 92 14, 27 9, 85 SAPASTTQPIGSTTSTTTK 1 1 - 19 1878. 93 14, 27 9, 85 SAPASTTQPIGSTTSTTTK 2 20 - 44 2472. 20 24, 79 3, 92 TAGATPA. . PDGDFFSTAR 3 45 - 60 1602. 83 12, 87 4, 11 AIVASNAVATNEDLSK 4 61 - 66 759. 44 19, 33 6, 99 IEAIWK 5 67 - 69 393. 18 4, 27 6, 99 DMK 6 70 - 84 1673. 83 19, 51 3, 92 VPTDTMAQAAWDLVR 7 85 -109 2595. 13 22, 48 4, 34 HCADVGSS. . GPYSNGISR 8 110 -111 246. 16 9 112 -117 586. 39 12, 82 10, 10 LAAAIK 10 118 -123 719. 36 14, 84 6, 29 EVCTLR 11 124 -128 655. 28 17, 08 8, 68 QFCMK 12 129 -157 3410. 65 28, 07 9, 42 YAPVVWNWM. . QGFKPEHK 13 158 -176 2058. 02 24, 21 6, 97 FAAFDFFNGVTNPAAIMPK 14 177 -198 2330. 18 20, 92 4, 60 EGLIRPPS. . AAQTAAFVK 15 199 -201 361. 25 6, 80 10, 15 ITK 16 202 -203 246. 16 1, 78 11, 20 AR 17 204 -218 18 219 -220 19 221 -236 1, 78 11, 20 1565. 76 14, 77 232. 14 p. I 3, 92 2, 11 11, 15 1567. 86 17, 90 3, 15 Sequence AR AQSNDFASLDAAVTR Трипсин ( /R, K) Стафилококковая протеаза V 8 ( /E) Num From-To MH+ HPLC 1 1 - 56 5430. 68 29, 08 4, 35 SAPASTTQPI…IVASNAVATNE 1 1 - 56 5472. 69 29, 08 4, 35 SAPASTTQPI…IVASNAVATNE 2 57 - 62 704. 38 12, 90 4, 11 DLSKIE 3 63 - 96 3730. 75 28, 42 4, 58 AIWKDMKVPT. . ADVGSSAQTE 4 97 -118 2334. 22 22, 73 9, 58 MIDTGPYSNGISRARLAAAIKE 5 119 -155 4353. 07 35, 01 9, 02 VCTLRQFCMKY…NWQAQGFKPE 6 156 -177 2452. 21 24, 30 7, 58 HKFAAFDFFNGVTNPAAIMPKE 7 178 -185 868. 49 16, 16 7, 04 GLIRPPSE 8 186 -187 219. 10 3, 25 AE 9 188 -228 10 229 -236 1, 83 p. I 4255. 19 24, 38 10, 52 793. 48 14, 07 6, 96 Sequence MNAAQTAAFV…RGRITGTTTAE AVVTLPPP GR ITGTTTAEAVVTLPPP Пептидный калькулятор GPMAW 4. 04