>1r7mA (A:) observed residues (from ATOM records)
nikknqvmnlgpnskllkeyksqlielnieqfeagiglilgdayirsrdegktycmqfew
knkaymdhvcllydqwvlspphkkervnhlgnlvitwgaqtfkhqafnklanlfivnnkk
tipnnlvenyltpmslaywfmddggkwdynknstnksivlntqsftfeeveylvkglrnk
fqlncyvkinknkpiiyidsmsylifynlikpylipqmmyklp