>1pt7A (A:) observed residues (from ATOM records)
stplqgikvldftgvqsgpsctqmlawfgadvikierpgvgdvtrhqlrdipdidalyft
mlnsnkrsielntktaegkevmeklireadilvenfhpgaidhmgftwehiqeinprlif
gsikgfdecspyvnvkayenvaqaaggaasttgfwdgpplvsaaalgdsntgmhlligll
aallhrektgrgqrvtmsmqdavlnlcrvklrdqqrldklgyleeypqypngtfgdavpr
ggnaggggqpgwilkckgwetdpnayiyftiqeqnwentckaigkpewitdpaystahar
qphifdifaeiekytvtidkheavayltqfdipcapvlsmkeisldpslrqsgsvveveq
plrgkyltvgcpmkfsaftpdikaapllgehtaavlqelgysddeiaamkqnhai