>4z2wA (A:) observed residues (from ATOM records)
vasgsgepreeagalgpawdesqlrsysfptrpiprlsqsdpraeelieneepvvltdtn
lvypalkwdleylqenigngdfsvysasthkflyydekkmanfqnfkprsnreemkfhef
veklqdiqqrggeerlylqqtlndtvgrkivmdflgfnwnwinkqqgkrgwgqltsnlll
igmegnvtpahydeqqnffaqikgykrcilfppdqfeclypypvhhpcdrqsqvdfdnpd
yerfpnfqnvvgyetvvgpgdvlyipmywwhhiesllnggititvnfwykgaptpkriey
plkahqkvaimrniekmlgealgnpqevgpllntmikgryn