1XC4 - Sequence, Chains, Asymmetric and Biological Units

• Title: CRYSTAL STRUCTURE OF WILD-TYPE TRYPTOPHAN SYNTHASE ALPHA-SUB ESCHERICHIA COLI
• Keywords: TRYPTOPHAN SYNTHASE, A-SUBUNITS, E.COLI, WILD-TYPE, LYASE
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	1XC4	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	TRYPTOPHAN SYNTHASE ALPHA CHAIN	A	240	1828	0
2	Protein	TRYPTOPHAN SYNTHASE ALPHA CHAIN	B	240	1828	0
3	Ligand	TRYPTOPHAN SYNTHASE ALPHA CHAIN	A	2	0	11
4	Ligand	TRYPTOPHAN SYNTHASE ALPHA CHAIN	B	2	0	11
5	Water			139	0	139
total				623	3656	161

Proteins

Unit 1

MET 1 GLU 2 ARG 3 TYR 4 GLU 5 SER 6 LEU 7 PHE 8 ALA 9 GLN 10 LEU 11 LYS 12 GLU 13 ARG 14 LYS 15 GLU 16 GLY 17 ALA 18 PHE 19 VAL 20 PRO 21 PHE 22 VAL 23 THR 24 LEU 25 GLY 26 ASP 27 PRO 28 GLY 29 ILE 30 GLU 31 GLN 32 SER 33 LEU 34 LYS 35 ILE 36 ILE 37 ASP 38 THR 39 LEU 40 ILE 41 GLU 42 ALA 43 GLY 44 ALA 45 ASP 46 ALA 47 LEU 48 GLU 49 LEU 50 GLY 51 ILE 52 PRO 53 PHE 54 VAL 76 THR 77 PRO 78 ALA 79 GLN 80 CYS 81 PHE 82 GLU 83 MET 84 LEU 85 ALA 86 LEU 87 ILE 88 ARG 89 GLU 90 LYS 91 HIS 92 PRO 93 THR 94 ILE 95 PRO 96 ILE 97 GLY 98 LEU 99 LEU 100 MET 101 TYR 102 ALA 103 ASN 104 LEU 105 VAL 106 PHE 107 ASN 108 LYS 109 GLY 110 ILE 111 ASP 112 GLU 113 PHE 114 TYR 115 ALA 116 ARG 117 CYS 118 GLU 119 LYS 120 VAL 121 GLY 122 VAL 123 ASP 124 SER 125 VAL 126 LEU 127 VAL 128 ALA 129 ASP 130 VAL 131 PRO 132 VAL 133 GLU 134 GLU 135 SER 136 ALA 137 PRO 138 PHE 139 ARG 140 GLN 141 ALA 142 ALA 143 LEU 144 ARG 145 HIS 146 ASN 147 VAL 148 ALA 149 PRO 150 ILE 151 PHE 152 ILE 153 CYS 154 PRO 155 PRO 156 ASN 157 ALA 158 ASP 159 ASP 160 ASP 161 LEU 162 LEU 163 ARG 164 GLN 165 ILE 166 ALA 167 SER 168 TYR 169 GLY 170 ARG 171 GLY 172 TYR 173 THR 174 TYR 175 LEU 176 LEU 177 SER 178 ARG 179 ALA 180 GLY 181 ALA 189 ALA 190 LEU 191 PRO 192 LEU 193 ASN 194 HIS 195 LEU 196 VAL 197 ALA 198 LYS 199 LEU 200 LYS 201 GLU 202 TYR 203 ASN 204 ALA 205 ALA 206 PRO 207 PRO 208 LEU 209 GLN 210 GLY 211 PHE 212 GLY 213 ILE 214 SER 215 ALA 216 PRO 217 ASP 218 GLN 219 VAL 220 LYS 221 ALA 222 ALA 223 ILE 224 ASP 225 ALA 226 GLY 227 ALA 228 ALA 229 GLY 230 ALA 231 ILE 232 SER 233 GLY 234 SER 235 ALA 236 ILE 237 VAL 238 LYS 239 ILE 240 ILE 241 GLU 242 GLN 243 HIS 244 ILE 245 ASN 246 GLU 247 PRO 248 GLU 249 LYS 250 MET 251 LEU 252 ALA 253 ALA 254 LEU 255 LYS 256 VAL 257 PHE 258 VAL 259 GLN 260 PRO 261 MET 262 LYS 263 ALA 264 ALA 265 THR 266 ARG 267 SER 268

Unit 2

MET 1 GLU 2 ARG 3 TYR 4 GLU 5 SER 6 LEU 7 PHE 8 ALA 9 GLN 10 LEU 11 LYS 12 GLU 13 ARG 14 LYS 15 GLU 16 GLY 17 ALA 18 PHE 19 VAL 20 PRO 21 PHE 22 VAL 23 THR 24 LEU 25 GLY 26 ASP 27 PRO 28 GLY 29 ILE 30 GLU 31 GLN 32 SER 33 LEU 34 LYS 35 ILE 36 ILE 37 ASP 38 THR 39 LEU 40 ILE 41 GLU 42 ALA 43 GLY 44 ALA 45 ASP 46 ALA 47 LEU 48 GLU 49 LEU 50 GLY 51 ILE 52 PRO 53 PHE 54 VAL 76 THR 77 PRO 78 ALA 79 GLN 80 CYS 81 PHE 82 GLU 83 MET 84 LEU 85 ALA 86 LEU 87 ILE 88 ARG 89 GLU 90 LYS 91 HIS 92 PRO 93 THR 94 ILE 95 PRO 96 ILE 97 GLY 98 LEU 99 LEU 100 MET 101 TYR 102 ALA 103 ASN 104 LEU 105 VAL 106 PHE 107 ASN 108 LYS 109 GLY 110 ILE 111 ASP 112 GLU 113 PHE 114 TYR 115 ALA 116 ARG 117 CYS 118 GLU 119 LYS 120 VAL 121 GLY 122 VAL 123 ASP 124 SER 125 VAL 126 LEU 127 VAL 128 ALA 129 ASP 130 VAL 131 PRO 132 VAL 133 GLU 134 GLU 135 SER 136 ALA 137 PRO 138 PHE 139 ARG 140 GLN 141 ALA 142 ALA 143 LEU 144 ARG 145 HIS 146 ASN 147 VAL 148 ALA 149 PRO 150 ILE 151 PHE 152 ILE 153 CYS 154 PRO 155 PRO 156 ASN 157 ALA 158 ASP 159 ASP 160 ASP 161 LEU 162 LEU 163 ARG 164 GLN 165 ILE 166 ALA 167 SER 168 TYR 169 GLY 170 ARG 171 GLY 172 TYR 173 THR 174 TYR 175 LEU 176 LEU 177 SER 178 ARG 179 ALA 180 GLY 181 ALA 189 ALA 190 LEU 191 PRO 192 LEU 193 ASN 194 HIS 195 LEU 196 VAL 197 ALA 198 LYS 199 LEU 200 LYS 201 GLU 202 TYR 203 ASN 204 ALA 205 ALA 206 PRO 207 PRO 208 LEU 209 GLN 210 GLY 211 PHE 212 GLY 213 ILE 214 SER 215 ALA 216 PRO 217 ASP 218 GLN 219 VAL 220 LYS 221 ALA 222 ALA 223 ILE 224 ASP 225 ALA 226 GLY 227 ALA 228 ALA 229 GLY 230 ALA 231 ILE 232 SER 233 GLY 234 SER 235 ALA 236 ILE 237 VAL 238 LYS 239 ILE 240 ILE 241 GLU 242 GLN 243 HIS 244 ILE 245 ASN 246 GLU 247 PRO 248 GLU 249 LYS 250 MET 251 LEU 252 ALA 253 ALA 254 LEU 255 LYS 256 VAL 257 PHE 258 VAL 259 GLN 260 PRO 261 MET 262 LYS 263 ALA 264 ALA 265 THR 266 ARG 267 SER 268

Ligands

Unit 3	SO4 400 GOL 1300
Unit 4	GOL 300 SO4 1400