>1gkzA (A:) observed residues (from ATOM records)
vrltptmmlysgrsqdgshllksgrylqqelpvriahrikgfrslpfiigcnptilhvhe
lyirafqkltdfppikdqadeaqycqlvrqllddhkdvvtllaeglresrkhiedeklvr
yfldktltsrlgirmlathhlalhedkpdfvgiictrlspkkiiekwvdfarrlcehkyg
naprvringhvaarfpfipmpldyilpellknamratmeshldtpynvpdvvitianndv
dliirisdrgggiahkdldrvmdyhfttapmhgfgfglptsrayaeylggslqlqslqgi
gtdvylrlrhidgree