>1z9cB (B:) SEQRES residues
menkfdhmklenqlsfllyassremtkqykplldklnitypqylallllwehetltvkkm
geqlyldsgtltpmlkrmeqqglitrkrseedersvlisltedgallkekavdipgtilg
lskqsgedlkqlksalytlletlhqkn