>4y0uA (A:) observed residues (from ATOM records)
siidqnvqalfneisadavfvtydgqnikkygthldraktayipastfkianaliglenh
katsteifkwdgkprffkawdkdftlgeamqastvpvyqelarrigpslmqselqrigyg
nmqigtevdqfwlkgpltitpiqevkfvydlaqgqlpfkpevqqqvkemlyverrgenrl
yaksgwgmavdpqvgwyvgfvekadgqvvafalnmqmkagddialrkqlsldvldklgvf
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