1EJ3 - Sequence, Chains, Asymmetric and Biological Units

• Title: CRYSTAL STRUCTURE OF AEQUORIN
• Keywords: FOUR EF-HAND CALCIUM-BINDING PROTEIN, PROTEIN- COELENTERAZINE PEROXIDE COMPLEX, OXIDOREDUCTASE
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	1EJ3	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	AEQUORIN	A	187	1496	0
2	Protein	AEQUORIN	B	187	1496	0
3	Ligand	AEQUORIN	A	1	0	34
4	Ligand	AEQUORIN	B	1	0	34
5	Water			173	0	173
total				549	2992	241

Proteins

Unit 1

LEU 3 THR 4 SER 5 ASP 6 PHE 7 ASP 8 ASN 9 PRO 10 ARG 11 TRP 12 ILE 13 GLY 14 ARG 15 HIS 16 LYS 17 HIS 18 MET 19 PHE 20 ASN 21 PHE 22 LEU 23 ASP 24 VAL 25 ASN 26 HIS 27 ASN 28 GLY 29 LYS 30 ILE 31 SER 32 LEU 33 ASP 34 GLU 35 MET 36 VAL 37 TYR 38 LYS 39 ALA 40 SER 41 ASP 42 ILE 43 VAL 44 ILE 45 ASN 46 ASN 47 LEU 48 GLY 49 ALA 50 THR 51 PRO 52 GLU 53 GLN 54 ALA 55 LYS 56 ARG 57 HIS 58 LYS 59 ASP 60 ALA 61 VAL 62 GLU 63 ALA 64 PHE 65 PHE 66 GLY 67 GLY 68 ALA 69 GLY 70 MET 71 LYS 72 TYR 73 GLY 74 VAL 75 GLU 76 THR 77 ASP 78 TRP 79 PRO 80 ALA 81 TYR 82 ILE 83 GLU 84 GLY 85 TRP 86 LYS 87 LYS 88 LEU 89 ALA 90 THR 91 ASP 92 GLU 93 LEU 94 GLU 95 LYS 96 TYR 97 ALA 98 LYS 99 ASN 100 GLU 101 PRO 102 THR 103 LEU 104 ILE 105 ARG 106 ILE 107 TRP 108 GLY 109 ASP 110 ALA 111 LEU 112 PHE 113 ASP 114 ILE 115 VAL 116 ASP 117 LYS 118 ASP 119 GLN 120 ASN 121 GLY 122 ALA 123 ILE 124 THR 125 LEU 126 ASP 127 GLU 128 TRP 129 LYS 130 ALA 131 TYR 132 THR 133 LYS 134 ALA 135 ALA 136 GLY 137 ILE 138 ILE 139 GLN 140 SER 141 SER 142 GLU 143 ASP 144 CYS 145 GLU 146 GLU 147 THR 148 PHE 149 ARG 150 VAL 151 CYS 152 ASP 153 ILE 154 ASP 155 GLU 156 SER 157 GLY 158 GLN 159 LEU 160 ASP 161 VAL 162 ASP 163 GLU 164 MET 165 THR 166 ARG 167 GLN 168 HIS 169 LEU 170 GLY 171 PHE 172 TRP 173 TYR 174 THR 175 MET 176 ASP 177 PRO 178 ALA 179 CYS 180 GLU 181 LYS 182 LEU 183 TYR 184 GLY 185 GLY 186 ALA 187 VAL 188 PRO 189

Unit 2

LEU 3 THR 4 SER 5 ASP 6 PHE 7 ASP 8 ASN 9 PRO 10 ARG 11 TRP 12 ILE 13 GLY 14 ARG 15 HIS 16 LYS 17 HIS 18 MET 19 PHE 20 ASN 21 PHE 22 LEU 23 ASP 24 VAL 25 ASN 26 HIS 27 ASN 28 GLY 29 LYS 30 ILE 31 SER 32 LEU 33 ASP 34 GLU 35 MET 36 VAL 37 TYR 38 LYS 39 ALA 40 SER 41 ASP 42 ILE 43 VAL 44 ILE 45 ASN 46 ASN 47 LEU 48 GLY 49 ALA 50 THR 51 PRO 52 GLU 53 GLN 54 ALA 55 LYS 56 ARG 57 HIS 58 LYS 59 ASP 60 ALA 61 VAL 62 GLU 63 ALA 64 PHE 65 PHE 66 GLY 67 GLY 68 ALA 69 GLY 70 MET 71 LYS 72 TYR 73 GLY 74 VAL 75 GLU 76 THR 77 ASP 78 TRP 79 PRO 80 ALA 81 TYR 82 ILE 83 GLU 84 GLY 85 TRP 86 LYS 87 LYS 88 LEU 89 ALA 90 THR 91 ASP 92 GLU 93 LEU 94 GLU 95 LYS 96 TYR 97 ALA 98 LYS 99 ASN 100 GLU 101 PRO 102 THR 103 LEU 104 ILE 105 ARG 106 ILE 107 TRP 108 GLY 109 ASP 110 ALA 111 LEU 112 PHE 113 ASP 114 ILE 115 VAL 116 ASP 117 LYS 118 ASP 119 GLN 120 ASN 121 GLY 122 ALA 123 ILE 124 THR 125 LEU 126 ASP 127 GLU 128 TRP 129 LYS 130 ALA 131 TYR 132 THR 133 LYS 134 ALA 135 ALA 136 GLY 137 ILE 138 ILE 139 GLN 140 SER 141 SER 142 GLU 143 ASP 144 CYS 145 GLU 146 GLU 147 THR 148 PHE 149 ARG 150 VAL 151 CYS 152 ASP 153 ILE 154 ASP 155 GLU 156 SER 157 GLY 158 GLN 159 LEU 160 ASP 161 VAL 162 ASP 163 GLU 164 MET 165 THR 166 ARG 167 GLN 168 HIS 169 LEU 170 GLY 171 PHE 172 TRP 173 TYR 174 THR 175 MET 176 ASP 177 PRO 178 ALA 179 CYS 180 GLU 181 LYS 182 LEU 183 TYR 184 GLY 185 GLY 186 ALA 187 VAL 188 PRO 189

Ligands

Unit 3	CZH 201
Unit 4	CZH 301