>2fckA (A:) observed residues (from ATOM records)
mtpdfqivtqrlqlrlitadeaeelvqcirqsqtlhqwvdwfsqqeaeqfiqatrlnwvk
aeaygfgvferqtqtlvgmvainefyhtfnmaslgywigdryqrqgygkealtalilfcf
erleltrleivcdpenvpsqalalrcganreqlapnrflyagepkagivfslip