>4la4B (B:) observed residues (from ATOM records) ptkiqivfyssyghiykmaeaiaagarevgdvevtllqvpegsipyatpevlaeadaiif gtptrfgnmcsqmrnfldqtgglwmsggligkvgsvftstasqhggqettitsfhttllh hgmvivgvpysepgltnmteisggtpygastlagadgsrqpsenelqiarfqgkhvatia krlannk