3QIB - Sequence, Chains, Asymmetric and Biological Units

• Title: CRYSTAL STRUCTURE OF THE 2B4 TCR IN COMPLEX WITH MCC/I-EK
• Keywords: IG DOMAIN, IMMUNE SYSTEM
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	3QIB	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein		A	180	1440	0
2	Protein	MHC CLASS II E-BETA-K	B	165	1328	0
3	Protein	T-CELL RECEPTOR ALPHA CHAIN C REGION	C	194	1472	0
4	Protein	2B4 BETA CHAIN	D	242	1914	0
5	Protein	MCC PEPTIDE	P	13	97	0
6	Ligand	MHC CLASS II E-BETA-K	B	3	0	31
7	Ligand	T-CELL RECEPTOR ALPHA CHAIN C REGION	C	6	0	56
8	Ligand	2B4 BETA CHAIN	D	3	0	21
9	Water			106	0	106
total				912	6251	214

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
Unit 2	SER 3 ARG 4 PRO 5 TRP 6 PHE 7 LEU 8 GLU 9 TYR 10 CYS 11 LYS 12 SER 13 GLU 14 CYS 15 HIS 16 PHE 17 TYR 18 ASN 19 GLY 20 THR 21 GLN 22 ARG 23 VAL 24 ARG 25 LEU 26 LEU 27 VAL 28 ARG 29 TYR 30 PHE 31 TYR 32 ASN 33 LEU 34 GLU 35 GLU 36 ASN 37 LEU 38 ARG 39 PHE 40 ASP 41 SER 42 ASP 43 VAL 44 GLY 45 GLU 46 PHE 47 ARG 48 ALA 49 VAL 50 THR 51 GLU 52 LEU 53 GLY 54 ARG 55 PRO 56 ASP 57 ALA 58 GLU 59 ASN 60 TRP 61 ASN 62 SER 63 GLN 64 PRO 65 GLU 66 PHE 67 LEU 68 GLU 69 GLN 70 LYS 71 ARG 72 ALA 73 GLU 74 VAL 75 ASP 76 THR 77 VAL 78 CYS 79 ARG 80 HIS 81 ASN 82 TYR 83 GLU 84 ILE 85 PHE 86 ASP 87 ASN 88 PHE 89 LEU 90 VAL 91 PRO 92 ARG 93 ARG 94 VAL 95 GLU 96 PRO 97 THR 98 VAL 99 THR 100 VAL 101 TYR 102 PRO 103 LEU 114 LEU 115 VAL 116 CYS 117 SER 118 VAL 119 SER 120 ASP 121 PHE 122 TYR 123 PRO 124 GLY 125 ASN 126 ILE 127 GLU 128 VAL 129 ARG 130 TRP 131 ASN 134 GLY 135 LYS 136 GLU 137 GLU 138 LYS 139 THR 140 GLY 141 ILE 142 VAL 143 SER 144 THR 145 GLY 146 LEU 147 VAL 148 ARG 149 ASN 150 GLY 151 ASP 152 TRP 153 THR 154 PHE 155 GLN 156 THR 157 LEU 158 VAL 159 MET 160 LEU 161 GLU 162 THR 163 VAL 164 THR 172 CYS 173 GLN 174 VAL 175 GLU 176 HIS 177 PRO 178 SER 179 LEU 180 THR 181 ASP 182 PRO 183 VAL 184 THR 185 VAL 186
Unit 3	GLN 2 VAL 3 GLU 4 GLN 5 SER 6 PRO 7 SER 8 ALA 9 LEU 10 SER 11 LEU 12 HIS 13 GLU 14 GLY 15 THR 16 GLY 17 SER 18 ALA 19 LEU 20 ARG 21 CYS 22 ASN 23 PHE 24 THR 25 THR 26 THR 27 MET 28 ARG 29 ALA 30 VAL 31 GLN 32 TRP 33 PHE 34 GLN 35 GLN 36 ASN 37 SER 38 ARG 39 GLY 40 SER 41 LEU 42 ILE 43 ASN 44 LEU 45 PHE 46 TYR 47 LEU 48 ALA 49 SER 50 GLY 51 THR 52 LYS 53 GLU 54 ASN 55 GLY 56 ARG 57 LEU 58 LYS 59 SER 60 THR 61 PHE 62 ASN 63 SER 64 LYS 65 GLU 66 SER 67 TYR 68 SER 69 THR 70 LEU 71 HIS 72 ILE 73 ARG 74 ASP 75 ALA 76 GLN 77 LEU 78 GLU 79 ASP 80 SER 81 GLY 82 THR 83 TYR 84 PHE 85 CYS 86 ALA 87 ALA 88 LEU 89 ARG 90 ALA 91 THR 92 GLY 93 GLY 94 ASN 95 ASN 96 LYS 97 LEU 98 THR 99 PHE 100 GLY 101 GLN 102 GLY 103 THR 104 VAL 105 LEU 106 SER 107 VAL 108 ILE 109 PRO 110 ASP 111 ILE 112 GLN 113 ASN 114 PRO 115 ASP 116 PRO 117 ALA 118 VAL 119 TYR 120 GLN 121 LEU 122 ARG 123 ASP 124 SER 125 LYS 126 SER 127 SER 128 ASP 129 LYS 130 SER 131 VAL 132 CYS 133 LEU 134 PHE 135 THR 136 ASP 137 PHE 138 ASP 139 SER 140 GLN 141 THR 142 ASN 143 VAL 144 SER 145 GLN 146 ASP 149 SER 150 ASP 151 VAL 152 TYR 153 ILE 154 THR 155 ASP 156 LYS 157 CYS 158 VAL 159 LEU 160 ASP 161 MET 162 ARG 163 SER 164 MET 165 ASP 166 PHE 167 LYS 168 SER 169 ASN 170 SER 171 ALA 172 VAL 173 ALA 174 TRP 175 SER 176 PHE 181 ALA 182 CYS 183 ALA 184 ASN 185 ALA 186 PHE 187 ASN 188 ASN 189 SER 190 ILE 191 ILE 192 PRO 193 GLU 194 ASP 195 THR 196 PHE 197 PHE 198 PRO 199 SER 200 PRO 201
Unit 4	MET 2 LYS 3 VAL 4 ILE 5 GLN 6 THR 7 PRO 8 ARG 9 TYR 10 LEU 11 VAL 12 LYS 13 GLY 14 GLN 15 GLY 16 GLN 17 LYS 18 ALA 19 LYS 20 MET 21 ARG 22 CYS 23 ILE 24 PRO 25 GLU 26 LYS 27 GLY 28 HIS 29 PRO 30 VAL 31 VAL 32 PHE 33 TRP 34 TYR 35 GLN 36 GLN 37 ASN 38 LYS 39 ASN 40 ASN 41 GLU 42 PHE 43 LYS 44 PHE 45 LEU 46 ILE 47 ASN 48 PHE 49 GLN 50 ASN 51 GLN 52 GLU 53 VAL 54 LEU 55 GLN 56 GLN 57 ILE 58 ASP 59 MET 60 THR 61 GLU 62 LYS 63 ARG 64 PHE 65 SER 66 ALA 67 GLU 68 CYS 69 PRO 70 SER 71 ASN 72 SER 73 PRO 74 CYS 75 SER 76 LEU 77 GLU 78 ILE 79 GLN 80 SER 81 SER 82 GLU 83 ALA 84 GLY 85 ASP 86 SER 87 ALA 88 LEU 89 TYR 90 LEU 91 CYS 92 ALA 93 SER 94 SER 95 LEU 96 ASN 97 TRP 98 SER 99 GLN 100 ASP 101 THR 102 GLN 103 TYR 104 PHE 105 GLY 106 PRO 107 GLY 108 THR 109 ARG 110 LEU 111 LEU 112 VAL 113 LEU 114 GLU 115 ASP 116 LEU 117 LYS 118 ASN 119 VAL 120 PHE 121 PRO 122 PRO 123 GLU 124 VAL 125 ALA 126 VAL 127 PHE 128 GLU 129 PRO 130 SER 131 GLU 132 ALA 133 GLU 134 ILE 135 SER 136 HIS 137 THR 138 GLN 139 LYS 140 ALA 141 THR 142 LEU 143 VAL 144 CYS 145 LEU 146 ALA 147 THR 148 GLY 149 PHE 150 TYR 151 PRO 152 ASP 153 HIS 154 VAL 155 GLU 156 LEU 157 SER 158 TRP 159 TRP 160 VAL 161 ASN 162 GLY 163 LYS 164 GLU 165 VAL 166 HIS 167 SER 168 GLY 169 VAL 170 CYS 171 THR 172 ASP 173 PRO 174 GLN 175 PRO 176 LEU 177 LYS 178 GLU 179 GLN 180 PRO 181 ALA 182 LEU 183 ASN 184 ASP 185 SER 186 ARG 187 TYR 188 ALA 189 LEU 190 SER 191 SER 192 ARG 193 LEU 194 ARG 195 VAL 196 SER 197 ALA 198 THR 199 PHE 200 TRP 201 GLN 202 ASN 203 PRO 204 ARG 205 ASN 206 HIS 207 PHE 208 ARG 209 CYS 210 GLN 211 VAL 212 GLN 213 PHE 214 TYR 215 GLY 216 LEU 217 SER 218 GLU 219 ASN 220 ASP 221 GLU 222 TRP 223 THR 224 GLN 225 ASP 226 ARG 227 ALA 228 LYS 229 PRO 230 VAL 231 THR 232 GLN 233 ILE 234 VAL 235 SER 236 ALA 237 GLU 238 ALA 239 TRP 240 GLY 241 ARG 242 ALA 243
Unit 5	ALA 2 ASP 3 LEU 4 ILE 5 ALA 6 TYR 7 LEU 8 LYS 9 GLN 10 ALA 11 THR 12 LYS 13 GLY 14

Ligands

Unit 6	PEG 199 NAG 201 FUC 203
Unit 7	NAG 205 FUC 206 BMA 207 PEG 208 PEG 209 PEG 210
Unit 8	PEG 245 PEG 246 PEG 247