3BQ8 - Sequence, Chains, Asymmetric and Biological Units

• Title: CRYSTAL STRUCTURE OF THE E.COLI PHOQ SENSOR DOMAIN
• Keywords: HISTIDINE KINASE SENSOR DOMAIN, ATP-BINDING, INNER MEMBRANE, MAGNESIUM, MEMBRANE, METAL-BINDING, NUCLEOTIDE-BINDING, PHOSPHOPROTEIN, TRANSFERASE, TRANSMEMBRANE, TWO-COMPONENT R SYSTEM, SIGNALING PROTEIN
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	3BQ8	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	SENSOR PROTEIN PHOQ	A	142	1113	40
2	Protein	SENSOR PROTEIN PHOQ	B	133	1038	40
3	Ligand	SENSOR PROTEIN PHOQ	A	1	0	1
4	Ligand	SENSOR PROTEIN PHOQ	B	2	0	5
5	Water			184	0	184
total				462	2151	270

Proteins

Unit 1

ASP 45 LYS 46 THR 47 THR 48 PHE 49 ARG 50 LEU 51 LEU 52 ARG 53 GLY 54 GLU 55 SER 56 ASN 57 LEU 58 PHE 59 TYR 60 THR 61 LEU 62 ALA 63 LYS 64 TRP 65 GLU 66 ASN 67 ASN 68 LYS 69 LEU 70 HIS 71 VAL 72 GLU 73 LEU 74 PRO 75 GLU 76 ASN 77 ILE 78 ASP 79 LYS 80 GLN 81 SER 82 PRO 83 THR 84 MSE 85 THR 86 LEU 87 ILE 88 TYR 89 ASP 90 GLU 91 ASN 92 GLY 93 GLN 94 LEU 95 LEU 96 TRP 97 ALA 98 GLN 99 ARG 100 ASP 101 VAL 102 PRO 103 TRP 104 LEU 105 MSE 106 LYS 107 MSE 108 ILE 109 GLN 110 PRO 111 ASP 112 TRP 113 LEU 114 LYS 115 SER 116 ASN 117 GLY 118 PHE 119 HIS 120 GLU 121 ILE 122 GLU 123 ALA 124 ASP 125 VAL 126 ASN 127 ASP 128 THR 129 SER 130 LEU 131 LEU 132 LEU 133 SER 134 HIS 137 SER 138 ILE 139 GLN 140 GLN 141 GLN 142 LEU 143 GLN 144 GLU 145 VAL 146 ARG 147 GLU 148 ASP 149 ASP 150 ASP 151 ASP 152 ALA 153 GLU 154 MSE 155 THR 156 HIS 157 SER 158 VAL 159 ALA 160 VAL 161 ASN 162 VAL 163 TYR 164 PRO 165 ALA 166 THR 167 SER 168 ARG 169 MSE 170 PRO 171 LYS 172 LEU 173 THR 174 ILE 175 VAL 176 VAL 177 VAL 178 ASP 179 THR 180 ILE 181 PRO 182 VAL 183 GLU 184 LEU 185 LYS 186 SER 187 SER 188

Unit 2

ASP 45 LYS 46 THR 47 THR 48 PHE 49 ARG 50 LEU 51 LEU 52 ARG 53 GLY 54 GLU 55 SER 56 ASN 57 LEU 58 PHE 59 TYR 60 THR 61 LEU 62 ALA 63 LYS 64 TRP 65 GLU 66 ASN 67 ASN 68 LYS 69 LEU 70 HIS 71 VAL 72 GLU 73 LEU 74 PRO 75 PRO 83 THR 84 MSE 85 THR 86 LEU 87 ILE 88 TYR 89 ASP 90 GLU 91 ASN 92 GLY 93 GLN 94 LEU 95 LEU 96 TRP 97 ALA 98 GLN 99 ARG 100 ASP 101 VAL 102 PRO 103 TRP 104 LEU 105 MSE 106 LYS 107 MSE 108 ILE 109 GLN 110 PRO 111 ASP 112 TRP 113 LEU 114 LYS 115 SER 116 ASN 117 GLY 118 PHE 119 HIS 120 GLU 121 ILE 122 GLU 123 ALA 124 ASP 125 VAL 126 ASN 127 ASP 128 THR 129 SER 130 LEU 131 LEU 132 LEU 133 SER 134 GLY 135 SER 138 ILE 139 GLN 140 GLN 141 GLN 142 LEU 143 GLN 144 GLU 145 VAL 146 ARG 147 GLU 148 ASP 149 ASP 150 ASP 151 ASP 152 ALA 153 GLU 154 MSE 155 THR 156 HIS 157 SER 158 VAL 159 ALA 160 VAL 161 ASN 162 VAL 163 TYR 164 PRO 165 ALA 166 THR 167 SER 168 ARG 169 MSE 170 PRO 171 LYS 172 LEU 173 THR 174 ILE 175 VAL 176 VAL 177 VAL 178 ASP 179 THR 180 ILE 181 PRO 182 VAL 183 GLU 184 LEU 185 LYS 186

Ligands

Unit 3	NI 2
Unit 4	NI 1 ACY 187