>1fn7A (A:) observed residues (from ATOM records)
gseghrtlastpalwasipcprselrldlvlpsgqsfrwreqspahwsgvladqvwtltq
teeqlhctvyrsqasrptpdeleavrkyfqldvtlaqlyhhwgsvdshfqevaqkfqgvr
llrqdpieclfsficssnnniaritgmverlcqafgprliqlddvtyhgfpslqalagpe
veahlrklglgyraryvsasaraileeqgglawlqqlressyeeahkalcilpgvgtkva
dciclmaldkpqavpvdvhmwhiaqrdyswhpttsqakgpspqtnkelgnffrslwgpya
gwaqavlfsadlrq