>4otxL (L:) observed residues (from ATOM records)
qivmtqspssltvtagekvtmsckssqsllnsgnqknyltwyqqkpgqppklliywastr
esgvpdrftgsgsgtdftltissvqaedlavyycqndysypltfgagtklelkradaapt
vsifppsseqltsggasvvcflnnfypkdinvkwkidgserqngvlnswtdqdskdstys
msstltltkdeyerhnsytceapivksfnrn