1KT2 - Sequence, Chains, Asymmetric and Biological Units

• Title: CRYSTAL STRUCTURE OF CLASS II MHC MOLECULE IEK BOUND TO MOTH CYTOCHROME C PEPTIDE
• Keywords: PROTEIN-PEPTIDE COMPLEX, T CELL RECEPTOR, ANTIGEN PRESENTATI CYTOCHROME, IMMUNE SYSTEM
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	1KT2	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein		A	182	1500	0
2	Protein	FUSION PROTEIN CONSISTING OF CYTOCHROME C PEPTIDE RICH LINKER, AND MHC E-BETA-K	B	213	1722	0
3	Protein		C	182	1500	0
4	Protein	FUSION PROTEIN CONSISTING OF CYTOCHROME C PEPTIDE RICH LINKER, AND MHC E-BETA-K	D	213	1722	0
5	Ligand		E	2	0	28
6	Ligand		A	2	0	28
7	Ligand		C	1	0	14
8	Ligand	FUSION PROTEIN CONSISTING OF CYTOCHROME C PEPTIDE RICH LINKER, AND MHC E-BETA-K	D	1	0	14
9	Water			215	0	215
total				1011	6444	299

Proteins

Unit 1	ILE 1 LYS 2 GLU 3 GLU 4 HIS 5 THR 6 ILE 7 ILE 8 GLN 9 ALA 10 GLU 11 PHE 12 TYR 13 LEU 14 LEU 15 PRO 16 ASP 17 LYS 18 ARG 19 GLY 20 GLU 21 PHE 22 MET 23 PHE 24 ASP 25 PHE 26 ASP 27 GLY 28 ASP 29 GLU 30 ILE 31 PHE 32 HIS 33 VAL 34 ASP 35 ILE 36 GLU 37 LYS 38 SER 39 GLU 40 THR 41 ILE 42 TRP 43 ARG 44 LEU 45 GLU 46 GLU 47 PHE 48 ALA 49 LYS 50 PHE 51 ALA 52 SER 53 PHE 54 GLU 55 ALA 56 GLN 57 GLY 58 ALA 59 LEU 60 ALA 61 ASN 62 ILE 63 ALA 64 VAL 65 ASP 66 LYS 67 ALA 68 ASN 69 LEU 70 ASP 71 VAL 72 MET 73 LYS 74 GLU 75 ARG 76 SER 77 ASN 78 ASN 79 THR 80 PRO 81 ASP 82 ALA 83 ASN 84 VAL 85 ALA 86 PRO 87 GLU 88 VAL 89 THR 90 VAL 91 LEU 92 SER 93 ARG 94 SER 95 PRO 96 VAL 97 ASN 98 LEU 99 GLY 100 GLU 101 PRO 102 ASN 103 ILE 104 LEU 105 ILE 106 CYS 107 PHE 108 ILE 109 ASP 110 LYS 111 PHE 112 SER 113 PRO 114 PRO 115 VAL 116 VAL 117 ASN 118 VAL 119 THR 120 TRP 121 LEU 122 ARG 123 ASN 124 GLY 125 ARG 126 PRO 127 VAL 128 THR 129 GLU 130 GLY 131 VAL 132 SER 133 GLU 134 THR 135 VAL 136 PHE 137 LEU 138 PRO 139 ARG 140 ASP 141 ASP 142 HIS 143 LEU 144 PHE 145 ARG 146 LYS 147 PHE 148 HIS 149 TYR 150 LEU 151 THR 152 PHE 153 LEU 154 PRO 155 SER 156 THR 157 ASP 158 ASP 159 PHE 160 TYR 161 ASP 162 CYS 163 GLU 164 VAL 165 ASP 166 HIS 167 TRP 168 GLY 169 LEU 170 GLU 171 GLU 172 PRO 173 LEU 174 ARG 175 LYS 176 HIS 177 TRP 178 GLU 179 PHE 180 GLU 181 GLU 182
Unit 2	ALA 2 ASP 3 LEU 4 ILE 5 ALA 6 TYR 7 LEU 8 LYS 9 GLN 10 ALA 11 THR 12 LYS 14 GLY 15 GLY 16 GLY 17 GLY 18 SER 19 LEU 20 VAL 21 PRO 22 ARG 23 GLY 24 SER 25 GLY 26 GLY 27 GLY 28 GLY 29 SER 30 ARG 31 PRO 32 TRP 33 PHE 34 LEU 35 GLU 36 TYR 37 CYS 38 LYS 39 SER 40 GLU 41 CYS 42 HIS 43 PHE 44 TYR 45 ASN 46 GLY 47 THR 48 GLN 49 ARG 50 VAL 51 ARG 52 LEU 53 LEU 54 VAL 55 ARG 56 TYR 57 PHE 58 TYR 59 ASN 60 LEU 61 GLU 62 GLU 63 ASN 64 LEU 65 ARG 66 PHE 67 ASP 68 SER 69 ASP 70 VAL 71 GLY 72 GLU 73 PHE 74 ARG 75 ALA 76 VAL 77 THR 78 GLU 79 LEU 80 GLY 81 ARG 82 PRO 83 ASP 84 ALA 85 GLU 86 ASN 87 TRP 88 ASN 89 SER 90 GLN 91 PRO 92 GLU 93 PHE 94 LEU 95 GLU 96 GLN 97 LYS 98 ARG 99 ALA 100 GLU 101 VAL 102 ASP 103 THR 104 VAL 105 CYS 106 ARG 107 HIS 108 ASN 109 TYR 110 GLU 111 ILE 112 PHE 113 ASP 114 ASN 115 PHE 116 LEU 117 VAL 118 PRO 119 ARG 120 ARG 121 VAL 122 GLU 123 PRO 124 THR 125 VAL 126 THR 127 VAL 128 TYR 129 PRO 130 THR 131 LYS 132 THR 133 GLN 134 PRO 135 LEU 136 GLU 137 HIS 138 HIS 139 ASN 140 LEU 141 LEU 142 VAL 143 CYS 144 SER 145 VAL 146 SER 147 ASP 148 PHE 149 TYR 150 PRO 151 GLY 152 ASN 153 ILE 154 GLU 155 VAL 156 ARG 157 TRP 158 PHE 159 ARG 160 ASN 161 GLY 162 LYS 163 GLU 164 GLU 165 LYS 166 THR 167 GLY 168 ILE 169 VAL 170 SER 171 THR 172 GLY 173 LEU 174 VAL 175 ARG 176 ASN 177 GLY 178 ASP 179 TRP 180 THR 181 PHE 182 GLN 183 THR 184 LEU 185 VAL 186 MET 187 LEU 188 GLU 189 THR 190 VAL 191 PRO 192 GLN 193 SER 194 GLY 195 GLU 196 VAL 197 TYR 198 THR 199 CYS 200 GLN 201 VAL 202 GLU 203 HIS 204 PRO 205 SER 206 LEU 207 THR 208 ASP 209 PRO 210 VAL 211 THR 212 VAL 213 GLU 214 TRP 215
Unit 3	ILE 1 LYS 2 GLU 3 GLU 4 HIS 5 THR 6 ILE 7 ILE 8 GLN 9 ALA 10 GLU 11 PHE 12 TYR 13 LEU 14 LEU 15 PRO 16 ASP 17 LYS 18 ARG 19 GLY 20 GLU 21 PHE 22 MET 23 PHE 24 ASP 25 PHE 26 ASP 27 GLY 28 ASP 29 GLU 30 ILE 31 PHE 32 HIS 33 VAL 34 ASP 35 ILE 36 GLU 37 LYS 38 SER 39 GLU 40 THR 41 ILE 42 TRP 43 ARG 44 LEU 45 GLU 46 GLU 47 PHE 48 ALA 49 LYS 50 PHE 51 ALA 52 SER 53 PHE 54 GLU 55 ALA 56 GLN 57 GLY 58 ALA 59 LEU 60 ALA 61 ASN 62 ILE 63 ALA 64 VAL 65 ASP 66 LYS 67 ALA 68 ASN 69 LEU 70 ASP 71 VAL 72 MET 73 LYS 74 GLU 75 ARG 76 SER 77 ASN 78 ASN 79 THR 80 PRO 81 ASP 82 ALA 83 ASN 84 VAL 85 ALA 86 PRO 87 GLU 88 VAL 89 THR 90 VAL 91 LEU 92 SER 93 ARG 94 SER 95 PRO 96 VAL 97 ASN 98 LEU 99 GLY 100 GLU 101 PRO 102 ASN 103 ILE 104 LEU 105 ILE 106 CYS 107 PHE 108 ILE 109 ASP 110 LYS 111 PHE 112 SER 113 PRO 114 PRO 115 VAL 116 VAL 117 ASN 118 VAL 119 THR 120 TRP 121 LEU 122 ARG 123 ASN 124 GLY 125 ARG 126 PRO 127 VAL 128 THR 129 GLU 130 GLY 131 VAL 132 SER 133 GLU 134 THR 135 VAL 136 PHE 137 LEU 138 PRO 139 ARG 140 ASP 141 ASP 142 HIS 143 LEU 144 PHE 145 ARG 146 LYS 147 PHE 148 HIS 149 TYR 150 LEU 151 THR 152 PHE 153 LEU 154 PRO 155 SER 156 THR 157 ASP 158 ASP 159 PHE 160 TYR 161 ASP 162 CYS 163 GLU 164 VAL 165 ASP 166 HIS 167 TRP 168 GLY 169 LEU 170 GLU 171 GLU 172 PRO 173 LEU 174 ARG 175 LYS 176 HIS 177 TRP 178 GLU 179 PHE 180 GLU 181 GLU 182
Unit 4	ALA 2 ASP 3 LEU 4 ILE 5 ALA 6 TYR 7 LEU 8 LYS 9 GLN 10 ALA 11 THR 12 LYS 14 GLY 15 GLY 16 GLY 17 GLY 18 SER 19 LEU 20 VAL 21 PRO 22 ARG 23 GLY 24 SER 25 GLY 26 GLY 27 GLY 28 GLY 29 SER 30 ARG 31 PRO 32 TRP 33 PHE 34 LEU 35 GLU 36 TYR 37 CYS 38 LYS 39 SER 40 GLU 41 CYS 42 HIS 43 PHE 44 TYR 45 ASN 46 GLY 47 THR 48 GLN 49 ARG 50 VAL 51 ARG 52 LEU 53 LEU 54 VAL 55 ARG 56 TYR 57 PHE 58 TYR 59 ASN 60 LEU 61 GLU 62 GLU 63 ASN 64 LEU 65 ARG 66 PHE 67 ASP 68 SER 69 ASP 70 VAL 71 GLY 72 GLU 73 PHE 74 ARG 75 ALA 76 VAL 77 THR 78 GLU 79 LEU 80 GLY 81 ARG 82 PRO 83 ASP 84 ALA 85 GLU 86 ASN 87 TRP 88 ASN 89 SER 90 GLN 91 PRO 92 GLU 93 PHE 94 LEU 95 GLU 96 GLN 97 LYS 98 ARG 99 ALA 100 GLU 101 VAL 102 ASP 103 THR 104 VAL 105 CYS 106 ARG 107 HIS 108 ASN 109 TYR 110 GLU 111 ILE 112 PHE 113 ASP 114 ASN 115 PHE 116 LEU 117 VAL 118 PRO 119 ARG 120 ARG 121 VAL 122 GLU 123 PRO 124 THR 125 VAL 126 THR 127 VAL 128 TYR 129 PRO 130 THR 131 LYS 132 THR 133 GLN 134 PRO 135 LEU 136 GLU 137 HIS 138 HIS 139 ASN 140 LEU 141 LEU 142 VAL 143 CYS 144 SER 145 VAL 146 SER 147 ASP 148 PHE 149 TYR 150 PRO 151 GLY 152 ASN 153 ILE 154 GLU 155 VAL 156 ARG 157 TRP 158 PHE 159 ARG 160 ASN 161 GLY 162 LYS 163 GLU 164 GLU 165 LYS 166 THR 167 GLY 168 ILE 169 VAL 170 SER 171 THR 172 GLY 173 LEU 174 VAL 175 ARG 176 ASN 177 GLY 178 ASP 179 TRP 180 THR 181 PHE 182 GLN 183 THR 184 LEU 185 VAL 186 MET 187 LEU 188 GLU 189 THR 190 VAL 191 PRO 192 GLN 193 SER 194 GLY 195 GLU 196 VAL 197 TYR 198 THR 199 CYS 200 GLN 201 VAL 202 GLU 203 HIS 204 PRO 205 SER 206 LEU 207 THR 208 ASP 209 PRO 210 VAL 211 THR 212 VAL 213 GLU 214 TRP 215

Ligands

Unit 5	NAG 1 NAG 2
Unit 6	NAG 601 NAG 602
Unit 7	NAG 605
Unit 8	NAG 606