>4x1yB (B:) SEQRES residues
mreivhiqagqcgnqigakfwevisdehgidptgsyhgdsdlqlerinvyyneatgnkyv
prailvdlepgtmdsvrsgpfgqifrpdnfvfgqsgagnnwakghytegaelvdsvldvv
rkesescdclqgfqlthslgggtgsgmgtlliskireeypdrimntfsvmpspkvsdtvv
epynatlsvhqlventdetysidnealydicfrtlklttptygdlnhlvsatmsgvttcl
rfpgqlnadlrklavnmvpfprlhffmpgfapltsrgsqqyraltvpeltqqmfdsknmm
aacdprhgryltvaavfrgrmsmkevdeqmlnvqnknssyfvewipnnvktavcdipprg
lkmsatfignstaiqelfkriseqftamfrrkaflhwytgegmdemefteaesnmndlvs
eyqqyqdatadeqgefeeeegedea