>4m1tB (B:) observed residues (from ATOM records)
mteyklvvvgacgvgksaltiqliqnhfvdedsyrkqvvidgetslldildtagqeeysa
mrdqymrtgegfllvfainntksfedihhyreqikrvkdsedvpmvlvgnksdlpsrtvd
tkqaqdlarsygipfietsaktrqgvddafytlvreirkhke