>1w4xA (A:) observed residues (from ATOM records)
rrqppeevdvlvvgagfsglyalyrlrelgrsvhvietagdvggvwywnrypgarcdies
ieycysfseevlqewnwteryasqpeilryinfvadkfdlrsgitfhttvtaaafdeatn
twtvdtnhgdrirarylimasgqlsvpqlpnfpglkdfagnlyhtgnwphepvdfsgqrv
gvigtgssgiqvspqiakqaaelfvfqrtphfavparnapldpefladlkkryaefrees
rntpggthryqgpksalevsdeelvetlerywqeggpdilaayrdilrdrdanervaefi
rnkirntvrdpevaerlvpkgypfgtkrlileidyyemfnrdnvhlvdtlsapietitpr
gvrtsereyeldslvlatgfdaltgalfkidirgvgnvalkekwaagprtylglstagfp
nlffiagpgspsalsnmlvsieqhvewvtdhiaymfkngltrseavlekedewvehvnei
adetlypmtaswytganvpgkprvfmlyvggfhryrqicdevaakgyegfvlt