>2r2bA (A:) observed residues (from ATOM records) divmsqspsslavsagekvtmsckssqsllnsrtrknylawyqqkpgqspklliywastr esgvpdrftgsgsgtdftltitsvqaedlavyyckqsynlrtfgggtkleikradaaptv sifppsseqltsggasvvcflnnfypkdinvkwkidgsergvlnswtdqdskdstysmss tltltkdeyerhnsytceathktstspivksfnrnec