>2f3cE (E:) observed residues (from ATOM records)
ivggytcgantvpyqvslnsgyhfcggslinsqwvvsaahcyksgiqvrlgedninvveg
neqfisasksivhpsynsntlnndimliklksaaslnvasislptscasagtqclisgwg
ntkssgtsypdvlkclkapilsdsscksaypgqitsnmfcagyleggkdscqgdsggpvv
csgklqgivswgsgcaqknkpgvytkvcnyvswikqtiasn