FGF1 GI:222144271 fibroblast growth factor 1 (acidic) isoform 1 proprotein 1 maegeittft altekfnlpp gnykkpklly csngghflri lpdgtvdgtr 50 51 drsdqhiqlq lsaesvgevy ikstetgqyl amdtdgllyg sqtpneeclf 100 101 lerleenhyn tyiskkhaek nwfvglkkng sckrgprthy gqkailflpl 150 151 pvssd