1QK5 - Sequence, Chains, Asymmetric and Biological Units

• Title: TOXOPLASMA GONDII HYPOXANTHINE-GUANINE PHOSPHORIBOSYLTRANSFE XMP, PYROPHOSPHATE AND TWO MG2+ IONS
• Keywords: TRANSFERASE, GLYCOSYLTRANSFERASE, PURINE SALVAGE
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	1QK5	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	HYPOXANTHINE-GUANINE PHOSPHORIBOSYLTRANSFERASE	A	215	1730	0
2	Protein	HYPOXANTHINE-GUANINE PHOSPHORIBOSYLTRANSFERASE	B	217	1742	0
3	Ligand	HYPOXANTHINE-GUANINE PHOSPHORIBOSYLTRANSFERASE	A	4	0	35
4	Ligand	HYPOXANTHINE-GUANINE PHOSPHORIBOSYLTRANSFERASE	B	4	0	35
5	Water			182	0	182
total				622	3472	252

Proteins

Unit 1

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

Unit 2

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

Ligands

Unit 3	XMP 300 POP 301 MG 302 MG 303
Unit 4	XMP 300 POP 301 MG 302 MG 303