>1n3cA (A:) observed residues (from ATOM records)
gseghrtlastpalwasipcprselrldlvlpsgqsfrwreqspahwsgvladqvwtltq
teeqlhctvyrsqasrptpdeleavrkyfqldvtlaqlyhhwgsvdshfqevaqkfqgvr
llrqdpieclfsficssnnniaritgmverlcqafgprliqlddvtyhgfpslqalagpe
veahlrklglgyraryvsasaraileeqgglawlqqlressyeeahkalcilpgvgtkva
dciclmaldkpqavpvnvhmwhiaqrdyswhpttsqakgpspqtnkelgnffrslwgpya
gwaqavlfsadlrq