>1tbfA (A:) observed residues (from ATOM records)
eeetrelqslaaavvpsaqtlkitdfsfsdfelsdletalctirmftdlnlvqnfqmkhe
vlcrwilsvkknyrknvayhnwrhafntaqcmfaalkagkiqnkltdleilalliaalsh
dldhpgvsnqflintnselalmyndesvlehhhfdqclmilnspgnqilsglsieeyktt
lkiikqailatdlalyikrrgeffelirknqfnledphqkelflamlmtacdlsaitkpw
piqqriaelvateffdqgdrerkelnieptdlmnrekknkipsmqvgfidaiclqlyeal
thvsedcfplldgcrknrqkwqalae