>1tlfA (A:) observed residues (from ATOM records)
slligvatsslalhapsqivaaiksradqlgasvvvsmversgveackaavhnllaqrvs
gliinyplddqdaiaveaactnvpalfldvsdqtpinsiifshedgtrlgvehlvalghq
qiallagplssvsarlrlagwhkyltrnqiqpiaeregdwsamsgfqqtmqmlnegivpt
amlvandqmalgamraitesglrvgadisvvgyddtedsscyipplttikqdfrllgqts
vdrllqlsqgqavkgnqllpvslvkrkttlapntqtaspraladslmqlarqvsrl