| Unit 1 | ARG685 PHE686 ASP687 ASN688 GLU689 LEU690 GLN691 LEU692 ARG693 GLY694 LEU695 SER696 VAL697 GLU698 ALA699 ALA700 VAL701 GLU702 GLU703 LEU704 ARG705 ALA706 ALA707 ILE708 ALA709 GLU710 ALA711 ARG712 ALA713 LEU714 LYS715 GLU716 THR717 PRO718 LEU719 ARG720 VAL721 VAL722 HIS723 GLY724 LYS725 GLY726 MET727 GLY728 VAL729 LEU730 ARG731 ARG732 THR733 LEU734 ARG735 ASP736 TYR737 LEU738 LYS739 THR740 ASP741 LYS742 ASN743 VAL744 GLU745 SER746 PHE747 HIS748 ASP749 ALA750 GLU751 ALA752 ASN753 GLN754 GLY755 GLY756 HIS757 GLY758 VAL759 THR760 ILE761 VAL762 ASN763 VAL764 LYS765 ARG766 |