>2tpiZ (Z:) observed residues (from ATOM records)
gytcgantvpyqvslnsgyhfcggslinsqwvvsaahcyksgiqvrlgedninvvegneq
fisasksivhpsynsntlnndimliklksaaslnsrvasislptscasagtqclisgwgn
tkssgtsypdvlkclkapilsdsscksaypgqitsnmfcagyleggkdscqgdsggpvvc
sgklqgivswgsgcaqknkpgvytkvcnyvswikqtiasn