1BMT - Sequence, Chains, Asymmetric and Biological Units

• Title: HOW A PROTEIN BINDS B12: A 3.O ANGSTROM X-RAY STRUCTURE OF THE B12-BINDING DOMAINS OF METHIONINE SYNTHASE
• Keywords: METHYLTRANSFERASE
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	1BMT	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	METHIONINE SYNTHASE	A	246	1907	0
2	Protein	METHIONINE SYNTHASE	B	246	1907	0
3	Ligand	METHIONINE SYNTHASE	A	1	0	92
4	Ligand	METHIONINE SYNTHASE	B	1	0	92
5	Water			2	0	2
total				496	3814	186

Proteins

Unit 1

GLN 651 ALA 652 GLU 653 TRP 654 ARG 655 SER 656 TRP 657 GLU 658 VAL 659 ASN 660 LYS 661 ARG 662 LEU 663 GLU 664 TYR 665 SER 666 LEU 667 VAL 668 LYS 669 GLY 670 ILE 671 THR 672 GLU 673 PHE 674 ILE 675 GLU 676 GLN 677 ASP 678 THR 679 GLU 680 GLU 681 ALA 682 ARG 683 GLN 684 GLN 685 ALA 686 THR 687 ARG 688 PRO 689 ILE 690 GLU 691 VAL 692 ILE 693 GLU 694 GLY 695 PRO 696 LEU 697 MET 698 ASP 699 GLY 700 MET 701 ASN 702 VAL 703 VAL 704 GLY 705 ASP 706 LEU 707 PHE 708 GLY 709 GLU 710 GLY 711 LYS 712 MET 713 PHE 714 LEU 715 PRO 716 GLN 717 VAL 718 VAL 719 LYS 720 SER 721 ALA 722 ARG 723 VAL 724 MET 725 LYS 726 GLN 727 ALA 728 VAL 729 ALA 730 TYR 731 LEU 732 GLU 733 PRO 734 PHE 735 ILE 736 GLU 737 ALA 738 SER 739 LYS 740 GLU 741 GLN 742 GLY 743 LYS 744 THR 745 ASN 746 GLY 747 LYS 748 MET 749 VAL 750 ILE 751 ALA 752 THR 753 VAL 754 LYS 755 GLY 756 ASP 757 VAL 758 HIS 759 ASP 760 ILE 761 GLY 762 LYS 763 ASN 764 ILE 765 VAL 766 GLY 767 VAL 768 VAL 769 LEU 770 GLN 771 CYS 772 ASN 773 ASN 774 TYR 775 GLU 776 ILE 777 VAL 778 ASP 779 LEU 780 GLY 781 VAL 782 MET 783 VAL 784 PRO 785 ALA 786 GLU 787 LYS 788 ILE 789 LEU 790 ARG 791 THR 792 ALA 793 LYS 794 GLU 795 VAL 796 ASN 797 ALA 798 ASP 799 LEU 800 ILE 801 GLY 802 LEU 803 SER 804 GLY 805 LEU 806 ILE 807 THR 808 PRO 809 SER 810 LEU 811 ASP 812 GLU 813 MET 814 VAL 815 ASN 816 VAL 817 ALA 818 LYS 819 GLU 820 MET 821 GLU 822 ARG 823 GLN 824 GLY 825 PHE 826 THR 827 ILE 828 PRO 829 LEU 830 LEU 831 ILE 832 GLY 833 GLY 834 ALA 835 THR 836 THR 837 SER 838 LYS 839 ALA 840 HIS 841 THR 842 ALA 843 VAL 844 LYS 845 ILE 846 GLU 847 GLN 848 ASN 849 TYR 850 SER 851 GLY 852 PRO 853 THR 854 VAL 855 TYR 856 VAL 857 GLN 858 ASN 859 ALA 860 SER 861 ARG 862 THR 863 VAL 864 GLY 865 VAL 866 VAL 867 ALA 868 ALA 869 LEU 870 LEU 871 SER 872 ASP 873 THR 874 GLN 875 ARG 876 ASP 877 ASP 878 PHE 879 VAL 880 ALA 881 ARG 882 THR 883 ARG 884 LYS 885 GLU 886 TYR 887 GLU 888 THR 889 VAL 890 ARG 891 ILE 892 GLN 893 HIS 894 GLY 895 ARG 896

Unit 2

GLN 651 ALA 652 GLU 653 TRP 654 ARG 655 SER 656 TRP 657 GLU 658 VAL 659 ASN 660 LYS 661 ARG 662 LEU 663 GLU 664 TYR 665 SER 666 LEU 667 VAL 668 LYS 669 GLY 670 ILE 671 THR 672 GLU 673 PHE 674 ILE 675 GLU 676 GLN 677 ASP 678 THR 679 GLU 680 GLU 681 ALA 682 ARG 683 GLN 684 GLN 685 ALA 686 THR 687 ARG 688 PRO 689 ILE 690 GLU 691 VAL 692 ILE 693 GLU 694 GLY 695 PRO 696 LEU 697 MET 698 ASP 699 GLY 700 MET 701 ASN 702 VAL 703 VAL 704 GLY 705 ASP 706 LEU 707 PHE 708 GLY 709 GLU 710 GLY 711 LYS 712 MET 713 PHE 714 LEU 715 PRO 716 GLN 717 VAL 718 VAL 719 LYS 720 SER 721 ALA 722 ARG 723 VAL 724 MET 725 LYS 726 GLN 727 ALA 728 VAL 729 ALA 730 TYR 731 LEU 732 GLU 733 PRO 734 PHE 735 ILE 736 GLU 737 ALA 738 SER 739 LYS 740 GLU 741 GLN 742 GLY 743 LYS 744 THR 745 ASN 746 GLY 747 LYS 748 MET 749 VAL 750 ILE 751 ALA 752 THR 753 VAL 754 LYS 755 GLY 756 ASP 757 VAL 758 HIS 759 ASP 760 ILE 761 GLY 762 LYS 763 ASN 764 ILE 765 VAL 766 GLY 767 VAL 768 VAL 769 LEU 770 GLN 771 CYS 772 ASN 773 ASN 774 TYR 775 GLU 776 ILE 777 VAL 778 ASP 779 LEU 780 GLY 781 VAL 782 MET 783 VAL 784 PRO 785 ALA 786 GLU 787 LYS 788 ILE 789 LEU 790 ARG 791 THR 792 ALA 793 LYS 794 GLU 795 VAL 796 ASN 797 ALA 798 ASP 799 LEU 800 ILE 801 GLY 802 LEU 803 SER 804 GLY 805 LEU 806 ILE 807 THR 808 PRO 809 SER 810 LEU 811 ASP 812 GLU 813 MET 814 VAL 815 ASN 816 VAL 817 ALA 818 LYS 819 GLU 820 MET 821 GLU 822 ARG 823 GLN 824 GLY 825 PHE 826 THR 827 ILE 828 PRO 829 LEU 830 LEU 831 ILE 832 GLY 833 GLY 834 ALA 835 THR 836 THR 837 SER 838 LYS 839 ALA 840 HIS 841 THR 842 ALA 843 VAL 844 LYS 845 ILE 846 GLU 847 GLN 848 ASN 849 TYR 850 SER 851 GLY 852 PRO 853 THR 854 VAL 855 TYR 856 VAL 857 GLN 858 ASN 859 ALA 860 SER 861 ARG 862 THR 863 VAL 864 GLY 865 VAL 866 VAL 867 ALA 868 ALA 869 LEU 870 LEU 871 SER 872 ASP 873 THR 874 GLN 875 ARG 876 ASP 877 ASP 878 PHE 879 VAL 880 ALA 881 ARG 882 THR 883 ARG 884 LYS 885 GLU 886 TYR 887 GLU 888 THR 889 VAL 890 ARG 891 ILE 892 GLN 893 HIS 894 GLY 895 ARG 896

Ligands

Unit 3	COB 122
Unit 4	COB 122