>3ztnL (L:) observed residues (from ATOM records) divmtqspdslavslgeratinckssqsvtfnyknylawyqqkpgqppklliywastres gvpdrfsgsgsgtdftltisslqaedvavyycqqhyrtpptfgqgtkveikrtvaapsvl lnnfypqsgnsqesvteqdskdstyslsst