>5xsuB (B:) observed residues (from ATOM records)
ksklpkpvqdlikmifdvesmkkamveyeidlqkmplgklskrqiqaaysilsevqqaqg
ssdsqildlsnrfytliphdfkkppllnnadsvqakaemldnlldievaysllrggkdpi
dvnyeklktdikvvdrdseeaeiirkyvknthatthnaydlevidifkieregecqrykp
fkqlhnrrllwhgsrttnfagilsqglriappeapvtgymfgkgiyfadmvsksanycht
sqgdpiglillgevalgnmyelkhashisklpkgkhsvkglgkttpdpsanisldgvdvp
lgtgissgvndtsllyneyivydiaqvnlkyllklkfnfk