>1z4sC (C:) SEQRES residues hhhhhhfnlppgnykkpkllycsnghflrilpdgtvdgtrdrsdqhiqlqlsaesvgevy iksttgqylamdtdgllygsqtpneeclflerleenhyntyiskkhaeknwfvglkkngs ckrgprthygqkailflplpvssd