>1pw7A (A:) observed residues (from ATOM records)
atphinaemgdfadvvlmpgdplrakyiaetfledarevnnvrgmlgftgtykgrkisvm
ghgmgipscsiytkelitdfgvkkiirvgscgavlphvklrdvvigmgactdskvnrirf
kdhdfaaiadfdmvrnavdaakalgidarvgnlfsadlfyspdgemfdvmekygilgvem
eaagiygvaaefgakaltictvsdhirtheqttaaerqttfndmikialesvllgdk