>1z2vB (B:) SEQRES residues hhhhhhfnlppgnykkpkllycsngghflrilpdgtvdgtrdrsdqhiqlqlsaesvgev yiksttgqylamdtdgllygsqtpneeclflerleenhyntyiskkhaeknwfvglkkng sckrgprthygqkailflplpvssd