>4rv6C (C:) observed residues (from ATOM records)
ksklpkpvqdlikmifdvesmkkamveyeidlqkmplgklskrqiqaaysilsevqqavs
qgssdsqildlsnrfytliphdfgmkkppllnnadsvqakaemldnlldievaysllrgg
ssskdpidvnyeklktdikvvdrdseeaeiirkyvknthatthnaydlevidifkiereg
ecqrykpfkqlhnrrllwhgsrttnfagilsqglriappeapvtgymfgkgiyfadmvsk
sanychtsqgdpiglillgevalgnmyelkhashisklpkgkhsvkglgkttpdpsanis
ldgvdvplgtgissgvndtsllyneyivydiaqvnlkyllklkfnfk