2C9B - Sequence, Chains, Asymmetric and Biological Units

• Title: LUMAZINE SYNTHASE FROM MYCOBACTERIUM TUBERCULOSUS BOUND TO 3 TRIHYDRO-9-D-RIBITYL-2,6,8-PURINETRIONE-7-YL)
• Keywords: TRANSFERASE, INHIBITOR BINDING
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	2C9B	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	6,7-DIMETHYL-8-RIBITYLLUMAZINE SYNTHASE	A	147	1063	0
2	Protein	6,7-DIMETHYL-8-RIBITYLLUMAZINE SYNTHASE	B	147	1063	0
3	Protein	6,7-DIMETHYL-8-RIBITYLLUMAZINE SYNTHASE	C	146	1055	0
4	Protein	6,7-DIMETHYL-8-RIBITYLLUMAZINE SYNTHASE	D	147	1063	0
5	Protein	6,7-DIMETHYL-8-RIBITYLLUMAZINE SYNTHASE	E	146	1055	0
6	Protein	6,7-DIMETHYL-8-RIBITYLLUMAZINE SYNTHASE	F	147	1063	0
7	Protein	6,7-DIMETHYL-8-RIBITYLLUMAZINE SYNTHASE	G	147	1063	0
8	Protein	6,7-DIMETHYL-8-RIBITYLLUMAZINE SYNTHASE	H	146	1055	0
9	Protein	6,7-DIMETHYL-8-RIBITYLLUMAZINE SYNTHASE	I	147	1063	0
10	Protein	6,7-DIMETHYL-8-RIBITYLLUMAZINE SYNTHASE	J	146	1055	0
11	Ligand	6,7-DIMETHYL-8-RIBITYLLUMAZINE SYNTHASE	A	4	0	28
12	Ligand	6,7-DIMETHYL-8-RIBITYLLUMAZINE SYNTHASE	B	3	0	27
13	Ligand	6,7-DIMETHYL-8-RIBITYLLUMAZINE SYNTHASE	C	5	0	36
14	Ligand	6,7-DIMETHYL-8-RIBITYLLUMAZINE SYNTHASE	D	4	0	28
15	Ligand	6,7-DIMETHYL-8-RIBITYLLUMAZINE SYNTHASE	E	4	0	28
16	Ligand	6,7-DIMETHYL-8-RIBITYLLUMAZINE SYNTHASE	F	3	0	27
17	Ligand	6,7-DIMETHYL-8-RIBITYLLUMAZINE SYNTHASE	G	4	0	28
18	Ligand	6,7-DIMETHYL-8-RIBITYLLUMAZINE SYNTHASE	H	3	0	27
19	Ligand	6,7-DIMETHYL-8-RIBITYLLUMAZINE SYNTHASE	I	3	0	27
20	Ligand	6,7-DIMETHYL-8-RIBITYLLUMAZINE SYNTHASE	J	4	0	35
21	Water			654	0	654
total				2157	10598	945

Proteins

Unit 1	ASP 14 ALA 15 SER 16 GLY 17 VAL 18 ARG 19 LEU 20 ALA 21 ILE 22 VAL 23 ALA 24 SER 25 SER 26 TRP 27 HIS 28 GLY 29 LYS 30 ILE 31 CYS 32 ASP 33 ALA 34 LEU 35 LEU 36 ASP 37 GLY 38 ALA 39 ARG 40 LYS 41 VAL 42 ALA 43 ALA 44 GLY 45 CYS 46 GLY 47 LEU 48 ASP 49 ASP 50 PRO 51 THR 52 VAL 53 VAL 54 ARG 55 VAL 56 LEU 57 GLY 58 ALA 59 ILE 60 GLU 61 ILE 62 PRO 63 VAL 64 VAL 65 ALA 66 GLN 67 GLU 68 LEU 69 ALA 70 ARG 71 ASN 72 HIS 73 ASP 74 ALA 75 VAL 76 VAL 77 ALA 78 LEU 79 GLY 80 VAL 81 VAL 82 ILE 83 ARG 84 GLY 85 GLN 86 THR 87 PRO 88 HIS 89 PHE 90 ASP 91 TYR 92 VAL 93 CYS 94 ASP 95 ALA 96 VAL 97 THR 98 GLN 99 GLY 100 LEU 101 THR 102 ARG 103 VAL 104 SER 105 LEU 106 ASP 107 SER 108 SER 109 THR 110 PRO 111 ILE 112 ALA 113 ASN 114 GLY 115 VAL 116 LEU 117 THR 118 THR 119 ASN 120 THR 121 GLU 122 GLU 123 GLN 124 ALA 125 LEU 126 ASP 127 ARG 128 ALA 129 GLY 130 LEU 131 PRO 132 THR 133 SER 134 ALA 135 GLU 136 ASP 137 LYS 138 GLY 139 ALA 140 GLN 141 ALA 142 THR 143 VAL 144 ALA 145 ALA 146 LEU 147 ALA 148 THR 149 ALA 150 LEU 151 THR 152 LEU 153 ARG 154 GLU 155 LEU 156 ARG 157 ALA 158 HIS 159 SER 160
Unit 2	ASP 14 ALA 15 SER 16 GLY 17 VAL 18 ARG 19 LEU 20 ALA 21 ILE 22 VAL 23 ALA 24 SER 25 SER 26 TRP 27 HIS 28 GLY 29 LYS 30 ILE 31 CYS 32 ASP 33 ALA 34 LEU 35 LEU 36 ASP 37 GLY 38 ALA 39 ARG 40 LYS 41 VAL 42 ALA 43 ALA 44 GLY 45 CYS 46 GLY 47 LEU 48 ASP 49 ASP 50 PRO 51 THR 52 VAL 53 VAL 54 ARG 55 VAL 56 LEU 57 GLY 58 ALA 59 ILE 60 GLU 61 ILE 62 PRO 63 VAL 64 VAL 65 ALA 66 GLN 67 GLU 68 LEU 69 ALA 70 ARG 71 ASN 72 HIS 73 ASP 74 ALA 75 VAL 76 VAL 77 ALA 78 LEU 79 GLY 80 VAL 81 VAL 82 ILE 83 ARG 84 GLY 85 GLN 86 THR 87 PRO 88 HIS 89 PHE 90 ASP 91 TYR 92 VAL 93 CYS 94 ASP 95 ALA 96 VAL 97 THR 98 GLN 99 GLY 100 LEU 101 THR 102 ARG 103 VAL 104 SER 105 LEU 106 ASP 107 SER 108 SER 109 THR 110 PRO 111 ILE 112 ALA 113 ASN 114 GLY 115 VAL 116 LEU 117 THR 118 THR 119 ASN 120 THR 121 GLU 122 GLU 123 GLN 124 ALA 125 LEU 126 ASP 127 ARG 128 ALA 129 GLY 130 LEU 131 PRO 132 THR 133 SER 134 ALA 135 GLU 136 ASP 137 LYS 138 GLY 139 ALA 140 GLN 141 ALA 142 THR 143 VAL 144 ALA 145 ALA 146 LEU 147 ALA 148 THR 149 ALA 150 LEU 151 THR 152 LEU 153 ARG 154 GLU 155 LEU 156 ARG 157 ALA 158 HIS 159 SER 160
Unit 3	ALA 15 SER 16 GLY 17 VAL 18 ARG 19 LEU 20 ALA 21 ILE 22 VAL 23 ALA 24 SER 25 SER 26 TRP 27 HIS 28 GLY 29 LYS 30 ILE 31 CYS 32 ASP 33 ALA 34 LEU 35 LEU 36 ASP 37 GLY 38 ALA 39 ARG 40 LYS 41 VAL 42 ALA 43 ALA 44 GLY 45 CYS 46 GLY 47 LEU 48 ASP 49 ASP 50 PRO 51 THR 52 VAL 53 VAL 54 ARG 55 VAL 56 LEU 57 GLY 58 ALA 59 ILE 60 GLU 61 ILE 62 PRO 63 VAL 64 VAL 65 ALA 66 GLN 67 GLU 68 LEU 69 ALA 70 ARG 71 ASN 72 HIS 73 ASP 74 ALA 75 VAL 76 VAL 77 ALA 78 LEU 79 GLY 80 VAL 81 VAL 82 ILE 83 ARG 84 GLY 85 GLN 86 THR 87 PRO 88 HIS 89 PHE 90 ASP 91 TYR 92 VAL 93 CYS 94 ASP 95 ALA 96 VAL 97 THR 98 GLN 99 GLY 100 LEU 101 THR 102 ARG 103 VAL 104 SER 105 LEU 106 ASP 107 SER 108 SER 109 THR 110 PRO 111 ILE 112 ALA 113 ASN 114 GLY 115 VAL 116 LEU 117 THR 118 THR 119 ASN 120 THR 121 GLU 122 GLU 123 GLN 124 ALA 125 LEU 126 ASP 127 ARG 128 ALA 129 GLY 130 LEU 131 PRO 132 THR 133 SER 134 ALA 135 GLU 136 ASP 137 LYS 138 GLY 139 ALA 140 GLN 141 ALA 142 THR 143 VAL 144 ALA 145 ALA 146 LEU 147 ALA 148 THR 149 ALA 150 LEU 151 THR 152 LEU 153 ARG 154 GLU 155 LEU 156 ARG 157 ALA 158 HIS 159 SER 160
Unit 4	ASP 14 ALA 15 SER 16 GLY 17 VAL 18 ARG 19 LEU 20 ALA 21 ILE 22 VAL 23 ALA 24 SER 25 SER 26 TRP 27 HIS 28 GLY 29 LYS 30 ILE 31 CYS 32 ASP 33 ALA 34 LEU 35 LEU 36 ASP 37 GLY 38 ALA 39 ARG 40 LYS 41 VAL 42 ALA 43 ALA 44 GLY 45 CYS 46 GLY 47 LEU 48 ASP 49 ASP 50 PRO 51 THR 52 VAL 53 VAL 54 ARG 55 VAL 56 LEU 57 GLY 58 ALA 59 ILE 60 GLU 61 ILE 62 PRO 63 VAL 64 VAL 65 ALA 66 GLN 67 GLU 68 LEU 69 ALA 70 ARG 71 ASN 72 HIS 73 ASP 74 ALA 75 VAL 76 VAL 77 ALA 78 LEU 79 GLY 80 VAL 81 VAL 82 ILE 83 ARG 84 GLY 85 GLN 86 THR 87 PRO 88 HIS 89 PHE 90 ASP 91 TYR 92 VAL 93 CYS 94 ASP 95 ALA 96 VAL 97 THR 98 GLN 99 GLY 100 LEU 101 THR 102 ARG 103 VAL 104 SER 105 LEU 106 ASP 107 SER 108 SER 109 THR 110 PRO 111 ILE 112 ALA 113 ASN 114 GLY 115 VAL 116 LEU 117 THR 118 THR 119 ASN 120 THR 121 GLU 122 GLU 123 GLN 124 ALA 125 LEU 126 ASP 127 ARG 128 ALA 129 GLY 130 LEU 131 PRO 132 THR 133 SER 134 ALA 135 GLU 136 ASP 137 LYS 138 GLY 139 ALA 140 GLN 141 ALA 142 THR 143 VAL 144 ALA 145 ALA 146 LEU 147 ALA 148 THR 149 ALA 150 LEU 151 THR 152 LEU 153 ARG 154 GLU 155 LEU 156 ARG 157 ALA 158 HIS 159 SER 160
Unit 5	ALA 15 SER 16 GLY 17 VAL 18 ARG 19 LEU 20 ALA 21 ILE 22 VAL 23 ALA 24 SER 25 SER 26 TRP 27 HIS 28 GLY 29 LYS 30 ILE 31 CYS 32 ASP 33 ALA 34 LEU 35 LEU 36 ASP 37 GLY 38 ALA 39 ARG 40 LYS 41 VAL 42 ALA 43 ALA 44 GLY 45 CYS 46 GLY 47 LEU 48 ASP 49 ASP 50 PRO 51 THR 52 VAL 53 VAL 54 ARG 55 VAL 56 LEU 57 GLY 58 ALA 59 ILE 60 GLU 61 ILE 62 PRO 63 VAL 64 VAL 65 ALA 66 GLN 67 GLU 68 LEU 69 ALA 70 ARG 71 ASN 72 HIS 73 ASP 74 ALA 75 VAL 76 VAL 77 ALA 78 LEU 79 GLY 80 VAL 81 VAL 82 ILE 83 ARG 84 GLY 85 GLN 86 THR 87 PRO 88 HIS 89 PHE 90 ASP 91 TYR 92 VAL 93 CYS 94 ASP 95 ALA 96 VAL 97 THR 98 GLN 99 GLY 100 LEU 101 THR 102 ARG 103 VAL 104 SER 105 LEU 106 ASP 107 SER 108 SER 109 THR 110 PRO 111 ILE 112 ALA 113 ASN 114 GLY 115 VAL 116 LEU 117 THR 118 THR 119 ASN 120 THR 121 GLU 122 GLU 123 GLN 124 ALA 125 LEU 126 ASP 127 ARG 128 ALA 129 GLY 130 LEU 131 PRO 132 THR 133 SER 134 ALA 135 GLU 136 ASP 137 LYS 138 GLY 139 ALA 140 GLN 141 ALA 142 THR 143 VAL 144 ALA 145 ALA 146 LEU 147 ALA 148 THR 149 ALA 150 LEU 151 THR 152 LEU 153 ARG 154 GLU 155 LEU 156 ARG 157 ALA 158 HIS 159 SER 160
Unit 6	ASP 14 ALA 15 SER 16 GLY 17 VAL 18 ARG 19 LEU 20 ALA 21 ILE 22 VAL 23 ALA 24 SER 25 SER 26 TRP 27 HIS 28 GLY 29 LYS 30 ILE 31 CYS 32 ASP 33 ALA 34 LEU 35 LEU 36 ASP 37 GLY 38 ALA 39 ARG 40 LYS 41 VAL 42 ALA 43 ALA 44 GLY 45 CYS 46 GLY 47 LEU 48 ASP 49 ASP 50 PRO 51 THR 52 VAL 53 VAL 54 ARG 55 VAL 56 LEU 57 GLY 58 ALA 59 ILE 60 GLU 61 ILE 62 PRO 63 VAL 64 VAL 65 ALA 66 GLN 67 GLU 68 LEU 69 ALA 70 ARG 71 ASN 72 HIS 73 ASP 74 ALA 75 VAL 76 VAL 77 ALA 78 LEU 79 GLY 80 VAL 81 VAL 82 ILE 83 ARG 84 GLY 85 GLN 86 THR 87 PRO 88 HIS 89 PHE 90 ASP 91 TYR 92 VAL 93 CYS 94 ASP 95 ALA 96 VAL 97 THR 98 GLN 99 GLY 100 LEU 101 THR 102 ARG 103 VAL 104 SER 105 LEU 106 ASP 107 SER 108 SER 109 THR 110 PRO 111 ILE 112 ALA 113 ASN 114 GLY 115 VAL 116 LEU 117 THR 118 THR 119 ASN 120 THR 121 GLU 122 GLU 123 GLN 124 ALA 125 LEU 126 ASP 127 ARG 128 ALA 129 GLY 130 LEU 131 PRO 132 THR 133 SER 134 ALA 135 GLU 136 ASP 137 LYS 138 GLY 139 ALA 140 GLN 141 ALA 142 THR 143 VAL 144 ALA 145 ALA 146 LEU 147 ALA 148 THR 149 ALA 150 LEU 151 THR 152 LEU 153 ARG 154 GLU 155 LEU 156 ARG 157 ALA 158 HIS 159 SER 160
Unit 7	ASP 14 ALA 15 SER 16 GLY 17 VAL 18 ARG 19 LEU 20 ALA 21 ILE 22 VAL 23 ALA 24 SER 25 SER 26 TRP 27 HIS 28 GLY 29 LYS 30 ILE 31 CYS 32 ASP 33 ALA 34 LEU 35 LEU 36 ASP 37 GLY 38 ALA 39 ARG 40 LYS 41 VAL 42 ALA 43 ALA 44 GLY 45 CYS 46 GLY 47 LEU 48 ASP 49 ASP 50 PRO 51 THR 52 VAL 53 VAL 54 ARG 55 VAL 56 LEU 57 GLY 58 ALA 59 ILE 60 GLU 61 ILE 62 PRO 63 VAL 64 VAL 65 ALA 66 GLN 67 GLU 68 LEU 69 ALA 70 ARG 71 ASN 72 HIS 73 ASP 74 ALA 75 VAL 76 VAL 77 ALA 78 LEU 79 GLY 80 VAL 81 VAL 82 ILE 83 ARG 84 GLY 85 GLN 86 THR 87 PRO 88 HIS 89 PHE 90 ASP 91 TYR 92 VAL 93 CYS 94 ASP 95 ALA 96 VAL 97 THR 98 GLN 99 GLY 100 LEU 101 THR 102 ARG 103 VAL 104 SER 105 LEU 106 ASP 107 SER 108 SER 109 THR 110 PRO 111 ILE 112 ALA 113 ASN 114 GLY 115 VAL 116 LEU 117 THR 118 THR 119 ASN 120 THR 121 GLU 122 GLU 123 GLN 124 ALA 125 LEU 126 ASP 127 ARG 128 ALA 129 GLY 130 LEU 131 PRO 132 THR 133 SER 134 ALA 135 GLU 136 ASP 137 LYS 138 GLY 139 ALA 140 GLN 141 ALA 142 THR 143 VAL 144 ALA 145 ALA 146 LEU 147 ALA 148 THR 149 ALA 150 LEU 151 THR 152 LEU 153 ARG 154 GLU 155 LEU 156 ARG 157 ALA 158 HIS 159 SER 160
Unit 8	ALA 15 SER 16 GLY 17 VAL 18 ARG 19 LEU 20 ALA 21 ILE 22 VAL 23 ALA 24 SER 25 SER 26 TRP 27 HIS 28 GLY 29 LYS 30 ILE 31 CYS 32 ASP 33 ALA 34 LEU 35 LEU 36 ASP 37 GLY 38 ALA 39 ARG 40 LYS 41 VAL 42 ALA 43 ALA 44 GLY 45 CYS 46 GLY 47 LEU 48 ASP 49 ASP 50 PRO 51 THR 52 VAL 53 VAL 54 ARG 55 VAL 56 LEU 57 GLY 58 ALA 59 ILE 60 GLU 61 ILE 62 PRO 63 VAL 64 VAL 65 ALA 66 GLN 67 GLU 68 LEU 69 ALA 70 ARG 71 ASN 72 HIS 73 ASP 74 ALA 75 VAL 76 VAL 77 ALA 78 LEU 79 GLY 80 VAL 81 VAL 82 ILE 83 ARG 84 GLY 85 GLN 86 THR 87 PRO 88 HIS 89 PHE 90 ASP 91 TYR 92 VAL 93 CYS 94 ASP 95 ALA 96 VAL 97 THR 98 GLN 99 GLY 100 LEU 101 THR 102 ARG 103 VAL 104 SER 105 LEU 106 ASP 107 SER 108 SER 109 THR 110 PRO 111 ILE 112 ALA 113 ASN 114 GLY 115 VAL 116 LEU 117 THR 118 THR 119 ASN 120 THR 121 GLU 122 GLU 123 GLN 124 ALA 125 LEU 126 ASP 127 ARG 128 ALA 129 GLY 130 LEU 131 PRO 132 THR 133 SER 134 ALA 135 GLU 136 ASP 137 LYS 138 GLY 139 ALA 140 GLN 141 ALA 142 THR 143 VAL 144 ALA 145 ALA 146 LEU 147 ALA 148 THR 149 ALA 150 LEU 151 THR 152 LEU 153 ARG 154 GLU 155 LEU 156 ARG 157 ALA 158 HIS 159 SER 160
Unit 9	ASP 14 ALA 15 SER 16 GLY 17 VAL 18 ARG 19 LEU 20 ALA 21 ILE 22 VAL 23 ALA 24 SER 25 SER 26 TRP 27 HIS 28 GLY 29 LYS 30 ILE 31 CYS 32 ASP 33 ALA 34 LEU 35 LEU 36 ASP 37 GLY 38 ALA 39 ARG 40 LYS 41 VAL 42 ALA 43 ALA 44 GLY 45 CYS 46 GLY 47 LEU 48 ASP 49 ASP 50 PRO 51 THR 52 VAL 53 VAL 54 ARG 55 VAL 56 LEU 57 GLY 58 ALA 59 ILE 60 GLU 61 ILE 62 PRO 63 VAL 64 VAL 65 ALA 66 GLN 67 GLU 68 LEU 69 ALA 70 ARG 71 ASN 72 HIS 73 ASP 74 ALA 75 VAL 76 VAL 77 ALA 78 LEU 79 GLY 80 VAL 81 VAL 82 ILE 83 ARG 84 GLY 85 GLN 86 THR 87 PRO 88 HIS 89 PHE 90 ASP 91 TYR 92 VAL 93 CYS 94 ASP 95 ALA 96 VAL 97 THR 98 GLN 99 GLY 100 LEU 101 THR 102 ARG 103 VAL 104 SER 105 LEU 106 ASP 107 SER 108 SER 109 THR 110 PRO 111 ILE 112 ALA 113 ASN 114 GLY 115 VAL 116 LEU 117 THR 118 THR 119 ASN 120 THR 121 GLU 122 GLU 123 GLN 124 ALA 125 LEU 126 ASP 127 ARG 128 ALA 129 GLY 130 LEU 131 PRO 132 THR 133 SER 134 ALA 135 GLU 136 ASP 137 LYS 138 GLY 139 ALA 140 GLN 141 ALA 142 THR 143 VAL 144 ALA 145 ALA 146 LEU 147 ALA 148 THR 149 ALA 150 LEU 151 THR 152 LEU 153 ARG 154 GLU 155 LEU 156 ARG 157 ALA 158 HIS 159 SER 160
Unit 10	ALA 15 SER 16 GLY 17 VAL 18 ARG 19 LEU 20 ALA 21 ILE 22 VAL 23 ALA 24 SER 25 SER 26 TRP 27 HIS 28 GLY 29 LYS 30 ILE 31 CYS 32 ASP 33 ALA 34 LEU 35 LEU 36 ASP 37 GLY 38 ALA 39 ARG 40 LYS 41 VAL 42 ALA 43 ALA 44 GLY 45 CYS 46 GLY 47 LEU 48 ASP 49 ASP 50 PRO 51 THR 52 VAL 53 VAL 54 ARG 55 VAL 56 LEU 57 GLY 58 ALA 59 ILE 60 GLU 61 ILE 62 PRO 63 VAL 64 VAL 65 ALA 66 GLN 67 GLU 68 LEU 69 ALA 70 ARG 71 ASN 72 HIS 73 ASP 74 ALA 75 VAL 76 VAL 77 ALA 78 LEU 79 GLY 80 VAL 81 VAL 82 ILE 83 ARG 84 GLY 85 GLN 86 THR 87 PRO 88 HIS 89 PHE 90 ASP 91 TYR 92 VAL 93 CYS 94 ASP 95 ALA 96 VAL 97 THR 98 GLN 99 GLY 100 LEU 101 THR 102 ARG 103 VAL 104 SER 105 LEU 106 ASP 107 SER 108 SER 109 THR 110 PRO 111 ILE 112 ALA 113 ASN 114 GLY 115 VAL 116 LEU 117 THR 118 THR 119 ASN 120 THR 121 GLU 122 GLU 123 GLN 124 ALA 125 LEU 126 ASP 127 ARG 128 ALA 129 GLY 130 LEU 131 PRO 132 THR 133 SER 134 ALA 135 GLU 136 ASP 137 LYS 138 GLY 139 ALA 140 GLN 141 ALA 142 THR 143 VAL 144 ALA 145 ALA 146 LEU 147 ALA 148 THR 149 ALA 150 LEU 151 THR 152 LEU 153 ARG 154 GLU 155 LEU 156 ARG 157 ALA 158 HIS 159 SER 160

Ligands

Unit 11	PUG 701 K 1161 K 1162 PO4 1163
Unit 12	PUG 701 K 1161 PO4 1162
Unit 13	PUG 701 K 1161 K 1162 PO4 1163 MPD 1164
Unit 14	PUG 701 K 1161 K 1162 PO4 1163
Unit 15	PUG 701 K 1161 K 1162 PO4 1163
Unit 16	PUG 701 K 1161 PO4 1162
Unit 17	PUG 701 K 1161 K 1162 PO4 1163
Unit 18	PUG 701 K 1161 PO4 1162
Unit 19	PUG 701 K 1161 PO4 1162
Unit 20	PUG 701 K 1161 PO4 1162 MPD 1163