>1z5zB (B:) observed residues (from ATOM records)
dkietnvycnltpeqaamykaevenlfnnidsvtgikrkgmilstllklkqivdhpallk
ggeqsvrrsgkmirtmeiieealdegdkiaiftqfvdmgkiirniiekelntevpflyge
lskkerddiiskfqnnpsvkfivlsvkaggfginltsanrvihfdrwwnpavenvivhkl
isvgtleekidqllafkrslfkdiissgdswitelsteelrkvielsv