>4l5bA (A:) observed residues (from ATOM records)
rikkisiegniaagkstfvnilkqlsedwevvpepvarwsnltmeqknggnvlqmmyekp
erwsftfqtyaclsriraqlaslngklkdaekpvlffersvysdryifasnlyesesmne
tewtiyqdwhdwmnnqfgqsleldgiiylqatpetclhriylrgrneeqgipleyleklh
ykheswllhrtlktnfdylqevpiltldvnedfkdkyeslvekvkeflstl