>3rj5B (B:) observed residues (from ATOM records)
mdltnknvifvaalggigldtsrelvkrnlknfvildrvenptalaelkainpkvnitfh
tydvtvpvaeskkllkkifdqlktvdilingagilddhqiertiainftglvnvttaild
fwdkrkggpggiianicsvtgfnaihqvpvysaskaavvsftnslaklapitgvtaysin
pgitrhtfnswldveprvaelllshptqtseqcgqnfvkaieankngaiwkldlgtleai
ewtkhwdshi