>6cr2B (B:) observed residues (from ATOM records)
tppvvfhwfpfigstisygidpykfffdcrakygdiftfillgkkttvylgtkgndfiln
gklrdvcaeevysplttpvfgrhvvydcpnaklmeqkkfvkygltsdalrsyvplitdev
esfvknspafqghkgvfdvcktiaeitiytasrslqgkevrskfdstfaelyhnldmgfa
pinfmlpwaplphnrkrdaaqrkltetymeiikarrqagskkdsedmvwnlmscvykngt
pvpdeeiahmmiallmagqhsssstaswivlrlatrpdimeelyqeqirvlgsdlpplty
dnlqkldlhakviketlrlhapihsiiravknpmavdgtsyviptshnvlsspgvtarse
ehfpnplewnphrwdeniaasaeddekvdygyglvskgtnspylpfgagrhrcigeqfay
lqlgtitavlvrlfrfrnlpgvdgipdtdysslfskplgrsfvefekrh