>2c7uA (A:) observed residues (from ATOM records)
gshsmryfftsvsrpgrgeprfiavgyvddtqfvrfdsdaasqrmeprapwieqegpeyw
dgetrkvkahsqthrvdlgtlrgyynqseagshtvqrmygcdvgsdwrflrgyhqyaydg
kdyialkedlrswtaadmaaqttkhkweaahvaeqlraylegtcvewlrrylengketlq
rtdapkthmthhavsdheatlrcwalsfypaeitltwqrdgedqtqdtelvetrpagdgt
fqkwaavvvpsgqeqrytchvqheglpkpltlrwe