>4q91B (B:) SEQRES residues hhhhhhfnlppgnykkpvllyasngghflrilpdgtvdgtrdrsdqhiqlqlsaesvgev yikstetgqylamdtdgllygsqtpneeclflerleenhyntyiskkhaeknwfvglkkn gsvkrgprthygqkailflvlpvssd