>4qzaA (A:) observed residues (from ATOM records)
vkkisqyacqrrttlnnynqlftdaldilaendelrenegsclafmrassvlkslpfpit
smkdtegipclgdkvksiiegiiedgesseakavlnderyksfklftsvfgvglktaekw
frmgfrtlskiqsdkslrftqmqkagflyyedlvscvnrpeaeavsmlvkeavvtflpda
lvtmtggfrrgkmtghdvdflitspeatedeeqqllhkvtdfwkqqglllycdilestfe
kfkqpsrkvdaldhfqkcflilkldhgrvhsgkgwkairvdlvmcpydrrafallgwtgs
rqferdlrryatherkmmldnhalydrtkrvfleaeseeeifahlgldyiepwerna