IGFBP1 GI:4504615 insulin-like growth factor binding protein 1 precursor 1 msevpvarvw lvlllltvqv gvtagapwqc apcsaeklal cppvsascse 50 51 vtrsagcgcc pmcalplgaa cgvatarcar glscralpge qqplhaltrg 100 101 qgacvqesda saphaaeags pespesteit eeelldnfhl mapseedhsi 150 151 lwdaistydg skalhvtnik kwkepcriel yrvveslaka qetsgeeisk 200 201 fylpncnkng fyhsrqcets mdgeaglcwc vypwngkrip gspeirgdpn 250 251 cqiyfnvqn