coiled.coil H2 ALA 1 ALA 28 pdb2zta.ent H3 ARG A 1 VAL A 30 pdb2zta.ent H4 ARG B 1 VAL B 30 pdb1rib.ent H5 PRO A 102 ILE A 129 pdb1bge.ent H6 ALA B 144 LEU B 169 pdb1lis.ent H7 THR 44 ASP 74