>4la4A (A:) observed residues (from ATOM records)
ptkiqivfyssyghiykmaeaiaagarevgdvevtllqvpelmpeevqvksgikgyraaf
gsipyatpevlaeadaiifgtptrfgnmcsqmrnfldqtgglwmsggligkvgsvftsta
sqhggqettitsfhttllhhgmvivgvpysepgltnmteisggtpygastlagadgsrqp
senelqiarfqgkhvatiakrlannk