3KEO - Sequence, Chains, Asymmetric and Biological Units

• Title: CRYSTAL STRUCTURE OF A REX-FAMILY TRANSCRIPTIONAL REGULATORY FROM STREPTOCOCCUS AGALACTIAE COMPLEXED WITH NAD+
• Keywords: DNA BINDING PROTEIN, WINGED HELIX, ROSSMANN FOLD, NAD+, REPR TRANSCRIPTION, TRANSCRIPTION REGULATION, REDOX SENSING
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	3KEO	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	REDOX-SENSING TRANSCRIPTIONAL REPRESSOR REX	A	206	1625	0
2	Protein	REDOX-SENSING TRANSCRIPTIONAL REPRESSOR REX	B	207	1633	0
3	Ligand	REDOX-SENSING TRANSCRIPTIONAL REPRESSOR REX	A	6	0	49
4	Ligand	REDOX-SENSING TRANSCRIPTIONAL REPRESSOR REX	B	4	0	47
5	Water			544	0	544
total				967	3258	640

Proteins

Unit 1

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

Unit 2

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

Ligands

Unit 3	NAD 213 MG 214 MG 215 MG 216 MG 217 CL 218
Unit 4	NAD 213 MG 214 MG 215 MG 216