1U55 - Sequence, Chains, Asymmetric and Biological Units

• Title: CRYSTAL STRUCTURE OF AN OXYGEN BINDING H-NOX DOMAIN RELATED TO SOLUBLE GUANYLATE CYCLASES (OXYGEN COMPLEX)
• Keywords: H-NOX DOMAIN, HEME, OXYGEN SENSOR, SIGNAL TRANSDUCTION, CHEMOTAXIS, SIGNALING PROTEIN
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	1U55	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	HEME-BASED METHYL-ACCEPTING CHEMOTAXIS PROTEIN	A	188	1551	0
2	Protein	HEME-BASED METHYL-ACCEPTING CHEMOTAXIS PROTEIN	B	187	1530	0
3	Ligand	HEME-BASED METHYL-ACCEPTING CHEMOTAXIS PROTEIN	A	2	0	45
4	Ligand	HEME-BASED METHYL-ACCEPTING CHEMOTAXIS PROTEIN	B	3	0	46
5	Water			268	0	268
total				648	3081	359

Proteins

Unit 1

MET 1 LYS 2 GLY 3 THR 4 ILE 5 VAL 6 GLY 7 THR 8 TRP 9 ILE 10 LYS 11 THR 12 LEU 13 ARG 14 ASP 15 LEU 16 TYR 17 GLY 18 ASN 19 ASP 20 VAL 21 VAL 22 ASP 23 GLU 24 SER 25 LEU 26 LYS 27 SER 28 VAL 29 GLY 30 TRP 31 GLU 32 PRO 33 ASP 34 ARG 35 VAL 36 ILE 37 THR 38 PRO 39 LEU 40 GLU 41 ASP 42 ILE 43 ASP 44 ASP 45 ASP 46 GLU 47 VAL 48 ARG 49 ARG 50 ILE 51 PHE 52 ALA 53 LYS 54 VAL 55 SER 56 GLU 57 LYS 58 THR 59 GLY 60 LYS 61 ASN 62 VAL 63 ASN 64 GLU 65 ILE 66 TRP 67 ARG 68 GLU 69 VAL 70 GLY 71 ARG 72 GLN 73 ASN 74 ILE 75 LYS 76 THR 77 PHE 78 SER 79 GLU 80 TRP 81 PHE 82 PRO 83 SER 84 TYR 85 PHE 86 ALA 87 GLY 88 ARG 89 ARG 90 LEU 91 VAL 92 ASN 93 PHE 94 LEU 95 MET 96 MET 97 MET 98 ASP 99 GLU 100 VAL 101 HIS 102 LEU 103 GLN 104 LEU 105 THR 106 LYS 107 MET 108 ILE 109 LYS 110 GLY 111 ALA 112 THR 113 PRO 114 PRO 115 ARG 116 LEU 117 ILE 118 ALA 119 LYS 120 PRO 121 VAL 122 ALA 123 LYS 124 ASP 125 ALA 126 ILE 127 GLU 128 MET 129 GLU 130 TYR 131 VAL 132 SER 133 LYS 134 ARG 135 LYS 136 MET 137 TYR 138 ASP 139 TYR 140 PHE 141 LEU 142 GLY 143 LEU 144 ILE 145 GLU 146 GLY 147 SER 148 SER 149 LYS 150 PHE 151 PHE 152 LYS 153 GLU 154 GLU 155 ILE 156 SER 157 VAL 158 GLU 159 GLU 160 VAL 161 GLU 162 ARG 163 GLY 164 GLU 165 LYS 166 ASP 167 GLY 168 PHE 169 SER 170 ARG 171 LEU 172 LYS 173 VAL 174 ARG 175 ILE 176 LYS 177 PHE 178 LYS 179 ASN 180 PRO 181 VAL 182 PHE 183 GLU 184 TYR 185 LYS 186 LYS 187 ASN 188

Unit 2

MET 1 LYS 2 GLY 3 THR 4 ILE 5 VAL 6 GLY 7 THR 8 TRP 9 ILE 10 LYS 11 THR 12 LEU 13 ARG 14 ASP 15 LEU 16 TYR 17 GLY 18 ASN 19 ASP 20 VAL 21 VAL 22 ASP 23 GLU 24 SER 25 LEU 26 LYS 27 SER 28 VAL 29 GLY 30 TRP 31 GLU 32 PRO 33 ASP 34 ARG 35 VAL 36 ILE 37 THR 38 PRO 39 LEU 40 GLU 41 ASP 42 ILE 43 ASP 44 ASP 45 ASP 46 GLU 47 VAL 48 ARG 49 ARG 50 ILE 51 PHE 52 ALA 53 LYS 54 VAL 55 SER 56 GLU 57 LYS 58 THR 59 GLY 60 LYS 61 ASN 62 VAL 63 ASN 64 GLU 65 ILE 66 TRP 67 ARG 68 GLU 69 VAL 70 GLY 71 ARG 72 GLN 73 ASN 74 ILE 75 LYS 76 THR 77 PHE 78 SER 79 GLU 80 TRP 81 PHE 82 PRO 83 SER 84 TYR 85 PHE 86 ALA 87 GLY 88 ARG 89 ARG 90 LEU 91 VAL 92 ASN 93 PHE 94 LEU 95 MET 96 MET 97 MET 98 ASP 99 GLU 100 VAL 101 HIS 102 LEU 103 GLN 104 LEU 105 THR 106 LYS 107 MET 108 ILE 109 LYS 110 GLY 111 ALA 112 THR 113 PRO 114 PRO 115 ARG 116 LEU 117 ILE 118 ALA 119 LYS 120 PRO 121 VAL 122 ALA 123 LYS 124 ASP 125 ALA 126 ILE 127 GLU 128 MET 129 GLU 130 TYR 131 VAL 132 SER 133 LYS 134 ARG 135 LYS 136 MET 137 TYR 138 ASP 139 TYR 140 PHE 141 LEU 142 GLY 143 LEU 144 ILE 145 GLU 146 GLY 147 SER 148 SER 149 LYS 150 PHE 151 PHE 152 LYS 153 GLU 154 GLU 155 ILE 156 SER 157 VAL 158 GLU 159 GLU 160 VAL 161 GLU 162 ARG 163 GLY 164 GLU 165 LYS 166 ASP 167 GLY 168 PHE 169 SER 170 ARG 171 LEU 172 LYS 173 VAL 174 ARG 175 ILE 176 LYS 177 PHE 178 LYS 179 ASN 180 PRO 181 VAL 182 PHE 183 GLU 184 TYR 185 LYS 186 LYS 187

Ligands

Unit 3	HEM 500 OXY 501
Unit 4	CL 189 HEM 502 OXY 503