>4ik0A (A:) observed residues (from ATOM records)
mqfskmhglgndfmvvdavtqnvffspelirrladrhlgvgfdqllvveppydpeldfhy
rifnadgsevaqcgngarcfarfvrlkgltnkrdirvstangrmvltvtdddlvrvnmge
pnfepsavpfrankaektyimraaeqtilcgvvsmgnphcviqvddvdtaavetlgpvle
sherfperanigfmqvvkrehirlrvyergagetqacgsgacaavavgiqqgllaeevrv
elpggrldiawkgpghplymtgpavhvadgfihl