>1stzB (B:) observed residues (from ATOM records)
alkklndrqrkvlycivreyienkkpvssqrvlevsniefssatirndmkkleylgyiyq
phtsagriptdkglrfyyeemlkismpladpekvlflagnllarltegyvlierpntrdl
kilrvmlipvsedylifsiltefgvskvtpiktqerlnweeierqlnfllrgrtvgevlm
gkieslkgsgflrliesligetveryldaglenllkdetltledirnlleevkdqkfles
lvgegitvrigreigrkklekfavfsgkyfkgespigsvylftskvtkydrnhrvfeyil
nrlseyftsts