>3cc7R (R:) observed residues (from ATOM records)
gisysveadpdttakamlrerqmsfkhskaiareikgktageavdyleaviegdqpvpfk
qhnsgvghkskvdgwdagrypekaskafldllenavgnadhqgfdgeamtikhvaahkvg
eqqgrkpramgrasawnspqvdvelileep