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Table 1 LC/ESI-MS/MS identification of immunoaffinity purified forms of gelsolin

From: Immunoreactivity of anti-gelsolin antibodies: implications for biomarker validation

Gel band

M.W.*

Theoretical minimum M.W. **

Peptide sequence

Peptide position in pGSN

Band 1

86 kDa

65816.00 kDa

EVQGFESATFLGYFK

121 - 135

   

HVVPNEVVVQR

151 - 161

   

PALPAGTEDTAKEDAANR

251 - 268

   

QTQVSVLPEGGETPLFK

347 - 363

   

DPDQTDGLGLSYLSSHIANVER

371 - 392

   

AGALNSNDAFVLK

558 - 570

   

TPSAAYLWVGTGASEAEK

571 - 588

   

AQPVQVAEGSEPDGFWEALGGK

600 - 621

   

DSQEEEKTEALTSAK

687 - 701

   

RYIETDPANR

702 - 711

   

RTPITVVK

714 - 721

Band 2

83 kDa

50126.19 kDa

PALPAGTEDTAK

251 - 262

   

QTQVSVLPEGGETPLFK

347 - 363

   

DPDQTDGLGLSYLSSHIANVER.V

371 - 393

   

AQPVQVAEGSEPDGFWEALGGK.A

600 - 621

   

DSQEEEKTEALTSAK

687 - 701

   

YIETDPANR

703 - 711

Band 3

64 kDa

64805.80 kDa

R.EVQGFESATFLGYFK.S

120 - 136

   

K.PALPAGTEDTAK.E

250 - 263

   

K.QTQVSVLPEGGETPLFK.Q

346 - 364

   

K.DSQEEEKTEALTSAK.R

686 - 702

   

R.YIETDPANR.D

702 - 712

   

-.YIETDPANR.-

703 - 711

Band 4

60 kDa

49194.23 kDa

K.PALPAGTEDTAK.E

250 - 263

   

R.DPDQTDGLGLSYLSSHIANVER.V

370 - 393

   

K.AGALNSNDAFVLK.T

557 - 571

   

R.AQPVQVAEGSEPDGFWEALGGK.A

599 - 622

   

K.DSQEEEKTEALTSAK.R

686 - 702

Band 5

54 kDa

41077.02 kDa

K.QTQVSVLPEGGETPLFK.Q

346 - 364

   

R.DPDQTDGLGLSYLSSHIANVER.V

370 - 393

   

K.VPVDPATYGQFYGGDSYIILYNYR.H

430 - 455

   

K.AGALNSNDAFVLK.T

557 - 571

   

-.TGAQELLR.-

589 - 596

   

R.AQPVQVAEGSEPDGFWEALGGK.A

599 - 622

   

K.DSQEEEKTEALTSAK.R

686 - 702

   

-.RTPITVVK.-

714 - 721

Band 6

45 kDa

36044.42 kDa

R.VPFDAATLHTSTAMAAQHGMDDDGTGQK.Q

392 - 421

   

K.VPVDPATYGQFYGGDSYIILYNYR.H

430 - 455

   

K.AGALNSNDAFVLK.T

557 - 571

   

K.TPSAAYLWVGTGASEAEK.T

570 - 589

   

R.AQPVQVAEGSEPDGFWEALGGK.A

599 - 622

   

K.DSQEEEKTEALTSAK.R

686 - 702

   

R.RYIETDPANR.D

701 - 712

   

R.YIETDPANR.D

702 - 712

   

R.RTPITVVK.Q

713 - 722

Band 7

27 kDa

30525.25 kDa

VPVDPATYGQFYGGDSYIILYNYR

431 - 454

   

AGALNSNDAFVLK

558 - 570

   

RYIETDPANR

702 - 711

Band 8

19 kDa

29308.93 kDa

VPVDPATYGQFYGGDSYIILYNYR

431 - 454

   

DSQEEEKTEALTSAK

687 - 701

  1. Included is the band identification (corresponding to extracted bands in Figure 1, column A), molecular weight based on electrophoretic mobility, theoretical minimum molecular weight as calculated using ExPASy Compute pI/Mw tool, identified peptides, and peptide location in secreted pGSN. The peptide -DSQEEKTEALTSAK- was the most commonly identified peptide (in 7 of 8 bands). * - Molecular weight (M.W.) is approximate based on electrophoretic mobility in 1DE SDS-PAGE. ** - Theoretical Molecular weight was approximated using the ExPASy Compute pI/Mw tool and was calculated using the first peptide position through the last peptide position as determined using MS/MS.