4F9L - Sequence, Chains, Asymmetric and Biological Units

• Title: CRYSTAL STRUCTURE OF THE HUMAN BTN3A1 ECTODOMAIN IN COMPLEX 20.1 SINGLE CHAIN ANTIBODY
• Keywords: B7 SUPERFAMILY, BUTYROPHILIN, CD277, IMMUNE SYSTEM
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	4F9L	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	BUTYROPHILIN SUBFAMILY 3 MEMBER A1	A	214	1528	0
2	Protein	20.1 ANTI-BTN3A1 ANTIBODY FRAGMENT	D	232	1763	0
3	Protein	20.1 ANTI-BTN3A1 ANTIBODY FRAGMENT	C	232	1756	0
4	Protein	BUTYROPHILIN SUBFAMILY 3 MEMBER A1	B	213	1523	0
5	Ligand	BUTYROPHILIN SUBFAMILY 3 MEMBER A1	A	1	0	14
6	Ligand	BUTYROPHILIN SUBFAMILY 3 MEMBER A1	B	1	0	14
total				893	6570	28

Proteins

Unit 1	GLN 1 PHE 2 SER 3 VAL 4 LEU 5 GLY 6 PRO 7 SER 8 GLY 9 PRO 10 ILE 11 LEU 12 ALA 13 MET 14 VAL 15 GLY 16 GLU 17 ASP 18 ALA 19 ASP 20 LEU 21 PRO 22 CYS 23 HIS 24 LEU 25 PHE 26 PRO 27 THR 28 MET 29 SER 30 ALA 31 GLU 32 THR 33 MET 34 GLU 35 LEU 36 LYS 37 TRP 38 VAL 39 SER 40 SER 41 SER 42 LEU 43 ARG 44 GLN 45 VAL 46 VAL 47 ASN 48 VAL 49 TYR 50 ALA 51 ASP 52 GLY 53 LYS 54 GLU 55 VAL 56 GLU 57 ASP 58 ARG 59 GLN 60 SER 61 ALA 62 PRO 63 TYR 64 ARG 65 GLY 66 ARG 67 THR 68 SER 69 ILE 70 LEU 71 ARG 72 ASP 73 GLY 74 ILE 75 THR 76 ALA 77 GLY 78 LYS 79 ALA 80 ALA 81 LEU 82 ARG 83 ILE 84 HIS 85 ASN 86 VAL 87 THR 88 ALA 89 SER 90 ASP 91 SER 92 GLY 93 LYS 94 TYR 95 LEU 96 CYS 97 TYR 98 PHE 99 GLN 100 ASP 101 GLY 102 ASP 103 PHE 104 TYR 105 GLU 106 LYS 107 ALA 108 LEU 109 VAL 110 GLU 111 LEU 112 LYS 113 VAL 114 ALA 115 ALA 116 LEU 117 GLY 118 SER 119 ASP 120 LEU 121 HIS 122 VAL 123 ASP 124 VAL 125 LYS 126 GLY 127 TYR 128 LYS 129 ASP 130 GLY 131 GLY 132 ILE 133 HIS 134 LEU 135 GLU 136 CYS 137 ARG 138 SER 139 THR 140 GLY 141 TRP 142 TYR 143 PRO 144 GLN 145 PRO 146 GLN 147 ILE 148 GLN 149 TRP 150 SER 151 ASN 152 ASN 153 LYS 154 GLY 155 GLU 156 ASN 157 ILE 158 PRO 159 THR 160 VAL 161 GLU 162 ALA 163 PRO 164 VAL 165 VAL 166 ALA 167 ASP 168 GLY 169 VAL 170 GLY 171 LEU 172 TYR 173 ALA 174 VAL 175 ALA 176 ALA 177 SER 178 VAL 179 ILE 180 MET 181 ARG 182 GLY 183 SER 184 SER 185 GLY 186 GLU 187 GLY 188 VAL 189 SER 190 CYS 191 THR 192 ILE 193 ARG 194 SER 195 SER 196 LEU 197 LEU 198 GLY 199 LEU 200 GLU 201 LYS 202 THR 203 ALA 204 SER 205 ILE 206 SER 207 ILE 208 ALA 209 ASP 210 PRO 211 PHE 212 PHE 213 ARG 214
Unit 2	ASP 1 ILE 2 VAL 3 LEU 4 THR 5 GLN 6 SER 7 PRO 8 SER 9 SER 10 LEU 11 SER 12 ALA 13 SER 14 LEU 15 GLY 16 ASP 17 THR 18 ILE 19 THR 20 ILE 21 THR 22 CYS 23 HIS 24 ALA 25 SER 26 GLN 27 ASN 28 ILE 29 ASN 30 LEU 31 TRP 32 LEU 33 SER 34 TRP 35 TYR 36 GLN 37 GLN 38 ARG 39 PRO 40 GLY 41 ASN 42 ILE 43 PRO 44 LYS 45 LEU 46 LEU 47 ILE 48 TYR 49 ARG 50 ALA 51 SER 52 ASN 53 LEU 54 HIS 55 THR 56 GLY 57 VAL 58 PRO 59 SER 60 ARG 61 PHE 62 SER 63 GLY 64 SER 65 GLY 66 SER 67 ALA 68 THR 69 GLY 70 PHE 71 THR 72 LEU 73 THR 74 ILE 75 SER 76 SER 77 LEU 78 GLN 79 PRO 80 GLU 81 ASP 82 ILE 83 ALA 84 THR 85 TYR 86 TYR 87 CYS 88 GLN 89 GLN 90 GLY 91 HIS 92 SER 93 TYR 94 PRO 95 TYR 96 THR 97 PHE 98 GLY 99 GLY 100 GLY 101 THR 102 LYS 103 LEU 104 ASP 105 ILE 106 LYS 107 ARG 108 ALA 109 GLN 132 VAL 133 GLN 134 LEU 135 GLN 136 GLU 137 SER 138 GLY 139 ALA 140 GLU 141 LEU 142 VAL 143 LYS 144 PRO 145 GLY 146 ALA 147 SER 148 VAL 149 LYS 150 LEU 151 SER 152 CYS 153 LYS 154 ALA 155 SER 156 GLY 157 TYR 158 THR 159 PHE 160 THR 161 ARG 162 TYR 163 TYR 164 LEU 165 TYR 166 TRP 167 VAL 168 LYS 169 GLN 170 ARG 171 PRO 172 GLY 173 GLN 174 GLY 175 LEU 176 GLU 177 TRP 178 ILE 179 GLY 180 GLU 181 ILE 182 ASN 183 PRO 184 ASN 185 ASN 186 GLY 187 GLY 188 THR 189 LYS 190 PHE 191 ASN 192 GLU 193 LYS 194 PHE 195 LYS 196 SER 197 LYS 198 ALA 199 THR 200 LEU 201 THR 202 VAL 203 ASP 204 LYS 205 SER 206 SER 207 ARG 208 THR 209 THR 210 TYR 211 ILE 212 GLN 213 LEU 214 SER 215 SER 216 LEU 217 THR 218 SER 219 GLU 220 ASP 221 SER 222 ALA 223 VAL 224 TYR 225 TYR 226 CYS 227 SER 228 ARG 229 GLU 230 ASP 231 ASP 232 TYR 233 ASP 234 GLY 235 THR 236 PRO 237 ASP 238 ALA 239 MET 240 ASP 241 TYR 242 TRP 243 GLY 244 GLN 245 GLY 246 THR 247 ALA 248 VAL 249 THR 250 VAL 251 SER 252 SER 253 ALA 254
Unit 3	ASP 1 ILE 2 VAL 3 LEU 4 THR 5 GLN 6 SER 7 PRO 8 SER 9 SER 10 LEU 11 SER 12 ALA 13 SER 14 LEU 15 GLY 16 ASP 17 THR 18 ILE 19 THR 20 ILE 21 THR 22 CYS 23 HIS 24 ALA 25 SER 26 GLN 27 ASN 28 ILE 29 ASN 30 LEU 31 TRP 32 LEU 33 SER 34 TRP 35 TYR 36 GLN 37 GLN 38 ARG 39 PRO 40 GLY 41 ASN 42 ILE 43 PRO 44 LYS 45 LEU 46 LEU 47 ILE 48 TYR 49 ARG 50 ALA 51 SER 52 ASN 53 LEU 54 HIS 55 THR 56 GLY 57 VAL 58 PRO 59 SER 60 ARG 61 PHE 62 SER 63 GLY 64 SER 65 GLY 66 SER 67 ALA 68 THR 69 GLY 70 PHE 71 THR 72 LEU 73 THR 74 ILE 75 SER 76 SER 77 LEU 78 GLN 79 PRO 80 GLU 81 ASP 82 ILE 83 ALA 84 THR 85 TYR 86 TYR 87 CYS 88 GLN 89 GLN 90 GLY 91 HIS 92 SER 93 TYR 94 PRO 95 TYR 96 THR 97 PHE 98 GLY 99 GLY 100 GLY 101 THR 102 LYS 103 LEU 104 ASP 105 ILE 106 LYS 107 ARG 108 ALA 109 GLN 132 VAL 133 GLN 134 LEU 135 GLN 136 GLU 137 SER 138 GLY 139 ALA 140 GLU 141 LEU 142 VAL 143 LYS 144 PRO 145 GLY 146 ALA 147 SER 148 VAL 149 LYS 150 LEU 151 SER 152 CYS 153 LYS 154 ALA 155 SER 156 GLY 157 TYR 158 THR 159 PHE 160 THR 161 ARG 162 TYR 163 TYR 164 LEU 165 TYR 166 TRP 167 VAL 168 LYS 169 GLN 170 ARG 171 PRO 172 GLY 173 GLN 174 GLY 175 LEU 176 GLU 177 TRP 178 ILE 179 GLY 180 GLU 181 ILE 182 ASN 183 PRO 184 ASN 185 ASN 186 GLY 187 GLY 188 THR 189 LYS 190 PHE 191 ASN 192 GLU 193 LYS 194 PHE 195 LYS 196 SER 197 LYS 198 ALA 199 THR 200 LEU 201 THR 202 VAL 203 ASP 204 LYS 205 SER 206 SER 207 ARG 208 THR 209 THR 210 TYR 211 ILE 212 GLN 213 LEU 214 SER 215 SER 216 LEU 217 THR 218 SER 219 GLU 220 ASP 221 SER 222 ALA 223 VAL 224 TYR 225 TYR 226 CYS 227 SER 228 ARG 229 GLU 230 ASP 231 ASP 232 TYR 233 ASP 234 GLY 235 THR 236 PRO 237 ASP 238 ALA 239 MET 240 ASP 241 TYR 242 TRP 243 GLY 244 GLN 245 GLY 246 THR 247 ALA 248 VAL 249 THR 250 VAL 251 SER 252 SER 253 ALA 254
Unit 4	GLN 1 PHE 2 SER 3 VAL 4 LEU 5 GLY 6 PRO 7 SER 8 GLY 9 PRO 10 ILE 11 LEU 12 ALA 13 MET 14 VAL 15 GLY 16 GLU 17 ASP 18 ALA 19 ASP 20 LEU 21 PRO 22 CYS 23 HIS 24 LEU 25 PHE 26 PRO 27 THR 28 MET 29 SER 30 ALA 31 GLU 32 THR 33 MET 34 GLU 35 LEU 36 LYS 37 TRP 38 VAL 39 SER 40 SER 41 SER 42 LEU 43 ARG 44 GLN 45 VAL 46 VAL 47 ASN 48 VAL 49 TYR 50 ALA 51 ASP 52 GLY 53 LYS 54 GLU 55 VAL 56 GLU 57 ASP 58 ARG 59 GLN 60 SER 61 ALA 62 PRO 63 TYR 64 ARG 65 GLY 66 ARG 67 THR 68 SER 69 ILE 70 LEU 71 ARG 72 ASP 73 GLY 74 ILE 75 THR 76 ALA 77 GLY 78 LYS 79 ALA 80 ALA 81 LEU 82 ARG 83 ILE 84 HIS 85 ASN 86 VAL 87 THR 88 ALA 89 SER 90 ASP 91 SER 92 GLY 93 LYS 94 TYR 95 LEU 96 CYS 97 TYR 98 PHE 99 GLN 100 ASP 101 GLY 102 ASP 103 PHE 104 TYR 105 GLU 106 LYS 107 ALA 108 LEU 109 VAL 110 GLU 111 LEU 112 LYS 113 VAL 114 ALA 115 ALA 116 LEU 117 GLY 118 SER 119 ASP 120 LEU 121 HIS 122 VAL 123 ASP 124 VAL 125 LYS 126 GLY 127 TYR 128 LYS 129 ASP 130 GLY 131 GLY 132 ILE 133 HIS 134 LEU 135 GLU 136 CYS 137 ARG 138 SER 139 THR 140 GLY 141 TRP 142 TYR 143 PRO 144 GLN 145 PRO 146 GLN 147 ILE 148 GLN 149 TRP 150 SER 151 ASN 152 ASN 153 LYS 154 GLY 155 GLU 156 ASN 157 ILE 158 PRO 159 THR 160 VAL 161 GLU 162 ALA 163 PRO 164 VAL 165 VAL 166 ALA 167 ASP 168 GLY 169 VAL 170 GLY 171 LEU 172 TYR 173 ALA 174 VAL 175 ALA 176 ALA 177 SER 178 VAL 179 ILE 180 MET 181 ARG 182 GLY 183 SER 184 SER 185 GLY 186 GLU 187 GLY 188 VAL 189 SER 190 CYS 191 THR 192 ILE 193 ARG 194 SER 195 SER 196 LEU 197 LEU 198 GLY 199 LEU 200 GLU 201 LYS 202 THR 203 ALA 204 SER 205 ILE 206 SER 207 ILE 208 ALA 209 ASP 210 PRO 211 PHE 212 PHE 213

Ligands

Unit 5	NAG 301
Unit 6	NAG 301