>2by2A (A:) observed residues (from ATOM records) sfqtqhdprtrlgatplpggagtrfrlwtstartvavrvngtehvmtslgggiyelelpv gpgarylfvldgvptpdpyarflpdgvhgeaevvdfgtfdwtdadwhgikladcvfyevh vgtftpegtyraaaeklpylkelgvtaiqvmplaafdgqrgwgydgaafyapyapygrpe dlmalvdaahrlglgvfldvvynhfgpsgnylssyapsyftdrfssawgmgldyaephmr ryvtgnarmwlrdyhfdglrldatpymtddsethiltelaqeihelggthlllaedhrnl pdlvtvnhldgiwtddfhhetrvtltgeqegyyagyrggaealaytirrgwryegqfwav kgeeherghpsdaleapnfvyciqnhdqignrplgerlhqsdgvtlheyrgaaallltlp mtpllfqgqewaastpfqffsdhagelgqavsegrkkefdvpdpqaeqtflnsklnwaer eggehartlrlyrdllrlrredpvlhnrqrenlttghdgdvlwvrtvtgagervllwnlg qdtravaevklpftvprrlllhtegredltlgageavlvg