>2z20B (B:) observed residues (from ATOM records) eyktkvsrnsnmsklqagylfpeiarrrsahllkypdaqvislgigdttepipevitsam akkahelstiegysgygaeqgakplraaiaktfygglgigdddvfvsdgakcdisrlqvm fgsnvtiavqdpsypayvdssvimgqtgqfntdvqkygnieymrctpengffpdlstvgr tdiiffcspnnptgaaatreqltqlvefakkngsiivydsayamymsddnprsifeipga eevametasfskyagftgvrlgwtvipkkllysdgfpvakdfnriictcfngasnisqag alacltpegleamhkvigfykentniiidtftslgydvyggknapyvwvhfpnqsswdvf aeilekthvvttpgsgfgpggegfvrvsafghrenileacrrfkqlykh