2QQB - Sequence, Chains, Asymmetric and Biological Units

• Title: CRYSTAL STRUCTURE OF DTXR(M10A C102D) COMPLEXED WITH NICKEL(
• Keywords: REPRESSOR, REGULATOR, DTXR, HELIX-TURN-HELIX, METAL ION, ACT DNA-BINDING, FERROUS IRON, CYTOPLASM, TRANSCRIPTION, TRANSC REGULATION, TRANSCRIPTION REGULATOR
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	2QQB	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	DIPHTHERIA TOXIN REPRESSOR	A	214	1686	0
2	Ligand	DIPHTHERIA TOXIN REPRESSOR	A	3	0	7
3	Water			72	0	72
total				289	1686	79

Proteins

Unit 1

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

Ligands

Unit 2

NI 551 NI 552 PO4 600