>1p73C (C:) observed residues (from ATOM records)
mvtivriyldgvygigksttgrvmassptlyfpepmaywrtlfetdvisgiydtqnrvdd
aalitahyqsrfttpylilhdhtctlfggnslqrgtqpdltlvfdrhpvastvcfpaary
llgdmsmcalmamvatlprepqggnivvttlnveehirrlrtrareqiditliatlrnvy
fmlvntchflrsgrvwrdgwgelptscgaykhratqmdafqervspelgdtlfalfktqe
llddrgvilevhawaldalmlklrnlnvfsadlsgtprqcaavvesllplmsstlsdfds
asaleraartfnaemgv