>3lsuA (A:) observed residues (from ATOM records)
kvtlpdlkwdfgalepyisgqinelhytkhhqtyvngfntavdqfqelsdllakepspan
arkmiaiqqnikfhgggftnhclfwenlapesqgggepptgalakaideqfgsldelikl
tntklagvqgsgwafivknlsnggkldvvqtynqdtvtgplvplvaidawehayylqyqn
kkadyfkaiwnvvnwkeasrrfdagk