>3tz4A (A:) observed residues (from ATOM records)
vrltptmmlysgrsqdgshllksgrylqqelpvriahrikgfrslpfiigcnptilhvhe
lyirafqkltdfppikdqadeaqycqlvrqllddhkdvvtllaeglresrkhiedeklvr
yfldktltsrlgirmlathhlalhedkpdfvgiictrlspkkiiekwvdfarrlcehkyg
naprvringhvaarfpfipmpldyilpellknamratmeshldtpynvpdvvitianndv
dliirisdrgggiahkdldrvmdyhfttagfgfglptsrayaeylggslqlqslqgigtd
vylrlrhidg