>1tdqA (A:) observed residues (from ATOM records)
ipvidgptqilvrdvsdtvafvewtpprakvdfillkyglvggeggkttfrlqpplsqys
vqalrpgsryevsisavrgtnesdasstqftteidapknlrvgsrtatsldlewdnseae
aqeykvvystlageqyhevlvpkgigpttkttltdlvpgteygvgisavmnskqsipatm
narteldsprdlmvtassetsisliwtkasgpidhyritftpssgissevtvprdrtsyt
ltdlepgaeyiisitaergrqqslestvdaf