>4tuyB (B:) observed residues (from ATOM records)
mreivhiqagqcgnqigakfwevisdehgidptgsyhgdsdlqlerinvyyneatgnkyv
prailvdlepgtmdsvrsgpfgqifrpdnfvfgqsgagnnwakghytegaelvdsvldvv
rkesescdclqgfqlthslgggtgsgmgtlliskireeypdrimntfsvmpspkvsdtvv
epynatlsvhqlventdetycidnealydicfrtlklttptygdlnhlvsatmsgvttcl
rfpgqlnadlrklavnmvpfprlhffmpgfapltsqyraltvpeltqqmfdsknmmaacd
prhgryltvaaifrgrmsmkevdeqmlnvqnknssyfvewipnnvktavcdipprglkms
atfignstaiqelfkriseqftamfrrkaflhwytgegmdemefteaesnmndlvseyqq
yqda