Sequence alignment between 4j23(B) and UniProt seq P05230 (FGF1_HUMAN):

P05230 (FGF1_HUMAN): Fibroblast growth factor 1 from Homo sapiens
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140       150     
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-----
UniProt: MAEGEITTFTALTEKFNLPPGNYKKPKLLYCSNGGHFLRILPDGTVDGTRDRSDQHIQLQLSAESVGEVYIKSTETGQYLAMDTDGLLYGSQTPNEECLFLERLEENHYNTYISKKHAEKNWFVGLKKNGSCKRGPRTHYGQKAILFLPLPVSSD
PDB seq: ---------------------NYKKPKLLYCSNGGHFLRILPDGTVDGTRDRSDQHIQLQLSAESVGEVYIKSTETGQYLAMDTDGLLYGSQTPNEECLFLERLEENHYNTYISKKHAEKNWFVGLKKNGSCKRGPRTHYGQKAILFLPLPVSSD
                              --------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-----
                                     30        40        50        60        70        80        90       100       110       120       130       140       150