Sequence alignment between 1sg1(A) and UniProt seq P01138 (NGF_HUMAN):

P01138 (NGF_HUMAN): Beta-nerve growth factor from Homo sapiens
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240 
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+-
UniProt: MSMLFYTLITAFLIGIQAEPHSESNVPAGHTIPQAHWTKLQHSLDTALRRARSAPAAAIAARVAGQTRNITVDPRLFKKRRLRSPRVLFSTQPPREAADTQDLDFEVGGAAPFNRTHRSKRSSSHPIFHRGEFSVCDSVSVWVGDKTTATDIKGKEVMVLGEVNINNSVFKQYFFETKCRDPNPVDSGCRGIDSKHWNSYCTTTHTFVKALTMDGKQAAWRFIRIDTACVCVLSRKAVRRA
         .....................................................................................................................................................................................XXXXXX......................................................
PDB seq: -----------------------------------------------------------------------------------------------------------------------------------EFSVCDSVSVWVGDKTTATDIKGKEVMVLGEVNINNSVFKQYFFETKCRD------GCRGIDSKHWNSYCTTTHTFVKALTMDGKQAAWRFIRIDTACVCVLSRK-----
                                                                                                                                            ---------+---------+---------+---------+---------+      ---+---------+---------+---------+---------+-----     
                                                                                                                                                    20        30        40        50        60        70        80        90       100       110