>4niyA (A:) observed residues (from ATOM records)
ivggytcgantvpyqvslnsgyhfcggslinsqwvvsaahcyesgiqvrlgedninvveg
neqfisasksivhpsynsntlnndimliklksaaslnsrvasislptscasagtqclisg
wghhpdvlkclkapilsdsscksaypgqitsnmfcagyleggkkscqgdsggpvvcsgkl
qgivswgsgcaqknkpgvytkvcnyvswikqtiasn