>4l6sB (B:) observed residues (from ATOM records)
hmksklpkpvqdlikmifdvesmkkamveyeidlqkmplgklskrqiqaaysilsevqqa
vsqgssdsqildlsnrfytliphdfgmkkppllnnadsvqakaemldnlldievaysllr
ggsddsskdpidvnyeklktdikvvdrdseeaeiirkyvknthatthnaydlevidifki
eregecqrykpfkqlhnrrllwhgsrttnfagilsqglriappeapvtgymfgkgiyfad
mvsksanychtsqgdpiglillgevalgnmyelkhashisklpkgkhsvkglgkttpdps
anisldgvdvplgtgissgvndtsllyneyivydiaqvnlkyllklkfnfkt