Table 1.

IP/LC-MS analyses of target proteins bound to FGF23 in differentiated mouse osteoblasts treated with iFGF23 or Cter-FGF23 for 2 hours

Peptide sequencesTarget proteinExclusive spectrum count
iFGF23Cter-FGF23
VNFEDIGWDSWIIAPKEYDAYECKGGCFFPLADDVTPTKHAIVQTLVHLK BMP2 
ACCVPTELSAISMLYLDENEKVVLKNYQDMVVEGCGCR BMP2 11 
VNFEDIGWDSWIIAPKEYDAYECKGGCFFPLADDVTPTKHAIVQTLVHLK BMP9 27 
ACCVPTELSAISMLYLDENEKVVLKNYQDMVVEGCGCR BMP9 41 
Peptide sequencesTarget proteinExclusive spectrum count
iFGF23Cter-FGF23
VNFEDIGWDSWIIAPKEYDAYECKGGCFFPLADDVTPTKHAIVQTLVHLK BMP2 
ACCVPTELSAISMLYLDENEKVVLKNYQDMVVEGCGCR BMP2 11 
VNFEDIGWDSWIIAPKEYDAYECKGGCFFPLADDVTPTKHAIVQTLVHLK BMP9 27 
ACCVPTELSAISMLYLDENEKVVLKNYQDMVVEGCGCR BMP9 41 

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