>2ak4N (N:) observed residues (from ATOM records) qkvtqaqteisvvekedvtldcvyetrdttyylfwykqppsgelvflirrnsfdeqneis gryswnfqkstssfnftitasqvvdsavyfcalsgfyntdklifgtgtrlqvfpniqnpd pavyqlrdskssdksvclftdfdsqtnvsqskdsdvyitdkcvldmrsmdfksnsavaws nksdfacanafnnsiipedtffps