1YQQ - Sequence, Chains, Asymmetric and Biological Units

• Title: ESCHERICHIA COLI PURINE NUCLEOSIDE PHOSPHORYLASE II, THE PRO THE XAPA GENE
• Keywords: PURINE NUCLEOSIDE PHOSPHORYLASE, GUANINE, XANTHINE, TRANSFER
• Experiment: X-ray diffraction
• Number of Models: 1

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

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	XANTHOSINE PHOSPHORYLASE	A	273	2063	0
2	Protein	XANTHOSINE PHOSPHORYLASE	B	273	2063	0
3	Protein	XANTHOSINE PHOSPHORYLASE	C	273	2063	0
4	Ligand	XANTHOSINE PHOSPHORYLASE	A	2	0	16
5	Ligand	XANTHOSINE PHOSPHORYLASE	B	2	0	16
6	Ligand	XANTHOSINE PHOSPHORYLASE	C	2	0	16
7	Water			191	0	191
total				1016	6189	239

Proteins

Unit 1	GLN 5 PHE 6 SER 7 HIS 8 ASN 9 PRO 10 LEU 11 PHE 12 CYS 13 ILE 14 ASP 15 ILE 16 ILE 17 LYS 18 THR 19 TYR 20 LYS 21 PRO 22 ASP 23 PHE 24 THR 25 PRO 26 ARG 27 VAL 28 ALA 29 PHE 30 ILE 31 LEU 32 GLY 33 SER 34 GLY 35 LEU 36 GLY 37 ALA 38 LEU 39 ALA 40 ASP 41 GLN 42 ILE 43 GLU 44 ASN 45 ALA 46 VAL 47 ALA 48 ILE 49 SER 50 TYR 51 GLU 52 LYS 53 LEU 54 PRO 55 GLY 56 PHE 57 PRO 58 VAL 59 SER 60 THR 61 VAL 62 HIS 63 GLY 64 HIS 65 ALA 66 GLY 67 GLU 68 LEU 69 VAL 70 LEU 71 GLY 72 HIS 73 LEU 74 GLN 75 GLY 76 VAL 77 PRO 78 VAL 79 VAL 80 CYS 81 MET 82 LYS 83 GLY 84 ARG 85 GLY 86 HIS 87 PHE 88 TYR 89 GLU 90 GLY 91 ARG 92 GLY 93 MET 94 THR 95 ILE 96 MET 97 THR 98 ASP 99 ALA 100 ILE 101 ARG 102 THR 103 PHE 104 LYS 105 LEU 106 LEU 107 GLY 108 CYS 109 GLU 110 LEU 111 LEU 112 PHE 113 CYS 114 THR 115 ASN 116 ALA 117 ALA 118 GLY 119 SER 120 LEU 121 ARG 122 PRO 123 GLU 124 VAL 125 GLY 126 ALA 127 GLY 128 SER 129 LEU 130 VAL 131 ALA 132 LEU 133 LYS 134 ASP 135 HIS 136 ILE 137 ASN 138 THR 139 MET 140 PRO 141 GLY 142 THR 143 PRO 144 MET 145 VAL 146 GLY 147 LEU 148 ASN 149 ASP 150 ASP 151 ARG 152 PHE 153 GLY 154 GLU 155 ARG 156 PHE 157 PHE 158 SER 159 LEU 160 ALA 161 ASN 162 ALA 163 TYR 164 ASP 165 ALA 166 GLU 167 TYR 168 ARG 169 ALA 170 LEU 171 LEU 172 GLN 173 LYS 174 VAL 175 ALA 176 LYS 177 GLU 178 GLU 179 GLY 180 PHE 181 PRO 182 LEU 183 THR 184 GLU 185 GLY 186 VAL 187 PHE 188 VAL 189 SER 190 TYR 191 PRO 192 GLY 193 PRO 194 ASN 195 PHE 196 GLU 197 THR 198 ALA 199 ALA 200 GLU 201 ILE 202 ARG 203 MET 204 MET 205 GLN 206 ILE 207 ILE 208 GLY 209 GLY 210 ASP 211 VAL 212 VAL 213 GLY 214 MET 215 SER 216 VAL 217 VAL 218 PRO 219 GLU 220 VAL 221 ILE 222 SER 223 ALA 224 ARG 225 HIS 226 CYS 227 ASP 228 LEU 229 LYS 230 VAL 231 VAL 232 ALA 233 VAL 234 SER 235 ALA 236 ILE 237 THR 238 ASN 239 MET 240 ALA 241 GLU 242 GLY 243 LEU 244 SER 245 ASP 246 VAL 247 LYS 248 LEU 249 SER 250 HIS 251 ALA 252 GLN 253 THR 254 LEU 255 ALA 256 ALA 257 ALA 258 GLU 259 LEU 260 SER 261 LYS 262 GLN 263 ASN 264 PHE 265 ILE 266 ASN 267 LEU 268 ILE 269 CYS 270 GLY 271 PHE 272 LEU 273 ARG 274 LYS 275 ILE 276 ALA 277
Unit 2	GLN 5 PHE 6 SER 7 HIS 8 ASN 9 PRO 10 LEU 11 PHE 12 CYS 13 ILE 14 ASP 15 ILE 16 ILE 17 LYS 18 THR 19 TYR 20 LYS 21 PRO 22 ASP 23 PHE 24 THR 25 PRO 26 ARG 27 VAL 28 ALA 29 PHE 30 ILE 31 LEU 32 GLY 33 SER 34 GLY 35 LEU 36 GLY 37 ALA 38 LEU 39 ALA 40 ASP 41 GLN 42 ILE 43 GLU 44 ASN 45 ALA 46 VAL 47 ALA 48 ILE 49 SER 50 TYR 51 GLU 52 LYS 53 LEU 54 PRO 55 GLY 56 PHE 57 PRO 58 VAL 59 SER 60 THR 61 VAL 62 HIS 63 GLY 64 HIS 65 ALA 66 GLY 67 GLU 68 LEU 69 VAL 70 LEU 71 GLY 72 HIS 73 LEU 74 GLN 75 GLY 76 VAL 77 PRO 78 VAL 79 VAL 80 CYS 81 MET 82 LYS 83 GLY 84 ARG 85 GLY 86 HIS 87 PHE 88 TYR 89 GLU 90 GLY 91 ARG 92 GLY 93 MET 94 THR 95 ILE 96 MET 97 THR 98 ASP 99 ALA 100 ILE 101 ARG 102 THR 103 PHE 104 LYS 105 LEU 106 LEU 107 GLY 108 CYS 109 GLU 110 LEU 111 LEU 112 PHE 113 CYS 114 THR 115 ASN 116 ALA 117 ALA 118 GLY 119 SER 120 LEU 121 ARG 122 PRO 123 GLU 124 VAL 125 GLY 126 ALA 127 GLY 128 SER 129 LEU 130 VAL 131 ALA 132 LEU 133 LYS 134 ASP 135 HIS 136 ILE 137 ASN 138 THR 139 MET 140 PRO 141 GLY 142 THR 143 PRO 144 MET 145 VAL 146 GLY 147 LEU 148 ASN 149 ASP 150 ASP 151 ARG 152 PHE 153 GLY 154 GLU 155 ARG 156 PHE 157 PHE 158 SER 159 LEU 160 ALA 161 ASN 162 ALA 163 TYR 164 ASP 165 ALA 166 GLU 167 TYR 168 ARG 169 ALA 170 LEU 171 LEU 172 GLN 173 LYS 174 VAL 175 ALA 176 LYS 177 GLU 178 GLU 179 GLY 180 PHE 181 PRO 182 LEU 183 THR 184 GLU 185 GLY 186 VAL 187 PHE 188 VAL 189 SER 190 TYR 191 PRO 192 GLY 193 PRO 194 ASN 195 PHE 196 GLU 197 THR 198 ALA 199 ALA 200 GLU 201 ILE 202 ARG 203 MET 204 MET 205 GLN 206 ILE 207 ILE 208 GLY 209 GLY 210 ASP 211 VAL 212 VAL 213 GLY 214 MET 215 SER 216 VAL 217 VAL 218 PRO 219 GLU 220 VAL 221 ILE 222 SER 223 ALA 224 ARG 225 HIS 226 CYS 227 ASP 228 LEU 229 LYS 230 VAL 231 VAL 232 ALA 233 VAL 234 SER 235 ALA 236 ILE 237 THR 238 ASN 239 MET 240 ALA 241 GLU 242 GLY 243 LEU 244 SER 245 ASP 246 VAL 247 LYS 248 LEU 249 SER 250 HIS 251 ALA 252 GLN 253 THR 254 LEU 255 ALA 256 ALA 257 ALA 258 GLU 259 LEU 260 SER 261 LYS 262 GLN 263 ASN 264 PHE 265 ILE 266 ASN 267 LEU 268 ILE 269 CYS 270 GLY 271 PHE 272 LEU 273 ARG 274 LYS 275 ILE 276 ALA 277
Unit 3	GLN 5 PHE 6 SER 7 HIS 8 ASN 9 PRO 10 LEU 11 PHE 12 CYS 13 ILE 14 ASP 15 ILE 16 ILE 17 LYS 18 THR 19 TYR 20 LYS 21 PRO 22 ASP 23 PHE 24 THR 25 PRO 26 ARG 27 VAL 28 ALA 29 PHE 30 ILE 31 LEU 32 GLY 33 SER 34 GLY 35 LEU 36 GLY 37 ALA 38 LEU 39 ALA 40 ASP 41 GLN 42 ILE 43 GLU 44 ASN 45 ALA 46 VAL 47 ALA 48 ILE 49 SER 50 TYR 51 GLU 52 LYS 53 LEU 54 PRO 55 GLY 56 PHE 57 PRO 58 VAL 59 SER 60 THR 61 VAL 62 HIS 63 GLY 64 HIS 65 ALA 66 GLY 67 GLU 68 LEU 69 VAL 70 LEU 71 GLY 72 HIS 73 LEU 74 GLN 75 GLY 76 VAL 77 PRO 78 VAL 79 VAL 80 CYS 81 MET 82 LYS 83 GLY 84 ARG 85 GLY 86 HIS 87 PHE 88 TYR 89 GLU 90 GLY 91 ARG 92 GLY 93 MET 94 THR 95 ILE 96 MET 97 THR 98 ASP 99 ALA 100 ILE 101 ARG 102 THR 103 PHE 104 LYS 105 LEU 106 LEU 107 GLY 108 CYS 109 GLU 110 LEU 111 LEU 112 PHE 113 CYS 114 THR 115 ASN 116 ALA 117 ALA 118 GLY 119 SER 120 LEU 121 ARG 122 PRO 123 GLU 124 VAL 125 GLY 126 ALA 127 GLY 128 SER 129 LEU 130 VAL 131 ALA 132 LEU 133 LYS 134 ASP 135 HIS 136 ILE 137 ASN 138 THR 139 MET 140 PRO 141 GLY 142 THR 143 PRO 144 MET 145 VAL 146 GLY 147 LEU 148 ASN 149 ASP 150 ASP 151 ARG 152 PHE 153 GLY 154 GLU 155 ARG 156 PHE 157 PHE 158 SER 159 LEU 160 ALA 161 ASN 162 ALA 163 TYR 164 ASP 165 ALA 166 GLU 167 TYR 168 ARG 169 ALA 170 LEU 171 LEU 172 GLN 173 LYS 174 VAL 175 ALA 176 LYS 177 GLU 178 GLU 179 GLY 180 PHE 181 PRO 182 LEU 183 THR 184 GLU 185 GLY 186 VAL 187 PHE 188 VAL 189 SER 190 TYR 191 PRO 192 GLY 193 PRO 194 ASN 195 PHE 196 GLU 197 THR 198 ALA 199 ALA 200 GLU 201 ILE 202 ARG 203 MET 204 MET 205 GLN 206 ILE 207 ILE 208 GLY 209 GLY 210 ASP 211 VAL 212 VAL 213 GLY 214 MET 215 SER 216 VAL 217 VAL 218 PRO 219 GLU 220 VAL 221 ILE 222 SER 223 ALA 224 ARG 225 HIS 226 CYS 227 ASP 228 LEU 229 LYS 230 VAL 231 VAL 232 ALA 233 VAL 234 SER 235 ALA 236 ILE 237 THR 238 ASN 239 MET 240 ALA 241 GLU 242 GLY 243 LEU 244 SER 245 ASP 246 VAL 247 LYS 248 LEU 249 SER 250 HIS 251 ALA 252 GLN 253 THR 254 LEU 255 ALA 256 ALA 257 ALA 258 GLU 259 LEU 260 SER 261 LYS 262 GLN 263 ASN 264 PHE 265 ILE 266 ASN 267 LEU 268 ILE 269 CYS 270 GLY 271 PHE 272 LEU 273 ARG 274 LYS 275 ILE 276 ALA 277

Ligands

Unit 4	GUN 400 PO4 500
Unit 5	GUN 1400 PO4 1500
Unit 6	GUN 2400 PO4 2500