>2ckqB (B:) observed residues (from ATOM records)
qpeprtrrraylwckeflpgawrglredefhisvirgglsnmlfqcslpdttatlgdepr
kvllrlygaieamvlesvmfailaerslgpklygifpqgrleqfipsrrldteelslpdi
saeiaekmatfhgmkmpfnkepkwlfgtmekylkevlrikfteesrikklhkllsynlpl
elenlrsllestpspvvfchndcqegnilllegrqklmlidfeyssynyrgfdignhfce
wmydysyekypffranirkyptkkqqlhfissylpafqndfenlsteeksiikeemllev
nrfalashflwglwsivqakissiefgymdyaqarfdayfhqkrklgv