>4rv6A (A:) observed residues (from ATOM records)
ksklpkpvqdlikmifdvesmkkamveyeidlqkmplgklskrqiqaaysilsevqqavs
qgssdsqildlsnrfytliphdfgmkkppllnnadsvqakaemldnlldievaysllrgg
sdskdpidvnyeklktdikvvdrdseeaeiirkyvknthatthnaydlevidifkiereg
ecqrykpfkqlhnrrllwhgsrttnfagilsqglriappeapvtgymfgkgiyfadmvsk
sanychtsqgdpiglillgevalgnmyelkhashisklpkgkhsvkglgkttpdpsanis
ldgvdvplgtgissgvndtsllyneyivydiaqvnlkyllklkfnfk