>1z5sA (A:) observed residues (from ATOM records)
sgialsrlaqerkawrkdhpfgfvavptknpdgtmnlmnwecaipgkkgtpwegglfklr
mlfkddypssppkckfepplfhpnvypsgtvclsileedkdwrpaitikqillgiqelln
epniqdpaqaeaytiycqnrveyekrvraqakkfap