>1s2lB (B:) SEQRES residues mkavvptgkiylgspfysdaqreraakakellaknpsiahvffpfddgftdpdeknpeig girsmvwrdatyqndltgisnatcgvflydmdqlddgsafeigfmramhkpvilvpfteh pekekkmnlmiaqgvttiidgntefekladynfnecpsnpvrgygiy