>1v18A (A:) observed residues (from ATOM records)
traipeltkllndedqvvvnkaavmvhqlskkeasrhaimrspqmvsaivrtmqntndve
tarctagtlhnlshhregllaifksggipalvkmlgspvdsvlfyaittlhnlllhqega
kmavrlagglqkmvallnktnvkflaittdclqilaygnqeskliilasggpqalvnimr
tytyekllwttsrvlkvlsvcssnkpaiveaggmqalglhltdpsqrlvqnclwtlrnls
daatkqegmegllgtlvqllgsddinvvtcaagilsnltcnnyknkmmvcqvggiealvr
tvlragdreditepaicalrhltsrhqeaemaqnavrlhyglpvvvkllhppshwplika
tvglirnlalcpanhaplreqgaiprlvqllvrahqdtqrrqfvegvrmeeivegctgal
hilardvhnrivirglntiplfvqllyspieniqrvaagvlcelaqdkeaaeaieaegat
apltellhsrnegvatyaaavlfrmsed