>1fl3B (B:) SEQRES residues aaltqspvsnpvtlgtsasiscrstksllhsngitylywylqkpgqspqlliyqmsnlas gvpnrfsssgsgtdftlrintveaedvgvyycaqnlelpptfgagtklelkradaaptvs ifppsseqltsggasvvcflnnfypkdinvkwkidgserqngvlnswtdqdskdstysms stltltkdeyerhngytceathktstspivksfn