4XB4 - Sequence, Chains, Asymmetric and Biological Units

• Title: STRUCTURE OF THE N-TERMINAL DOMAIN OF OCP BINDING CANTHAXANT
• Keywords: PHOTOPROTECTION, CAROTENOID BINDING PROTEIN
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	4XB4	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	ORANGE CAROTENOID-BINDING PROTEIN	A	137	2095	0
2	Protein	ORANGE CAROTENOID-BINDING PROTEIN	B	145	2199	0
3	Ligand	ORANGE CAROTENOID-BINDING PROTEIN	A	1	0	94
4	Ligand	ORANGE CAROTENOID-BINDING PROTEIN	B	1	0	94
5	Water			364	0	364
total				648	4294	552

Proteins

Unit 1

MET 20 VAL 21 PRO 22 ALA 23 THR 24 ILE 25 ALA 26 ARG 27 PHE 28 SER 29 GLN 30 LEU 31 ASN 32 ALA 33 GLU 34 ASP 35 GLN 36 LEU 37 ALA 38 LEU 39 ILE 40 TRP 41 PHE 42 ALA 43 TYR 44 LEU 45 GLU 46 MET 47 GLY 48 LYS 49 THR 50 SER 60 MET 61 GLN 62 LEU 63 ALA 64 GLU 65 ASN 66 ALA 67 LEU 68 LYS 69 GLU 70 ILE 71 GLN 72 ALA 73 MET 74 GLY 75 PRO 76 LEU 77 GLN 78 GLN 79 THR 80 GLN 81 ALA 82 MET 83 CYS 84 ASP 85 LEU 86 ALA 87 ASN 88 ARG 89 ALA 90 ASP 91 THR 92 PRO 93 LEU 94 CYS 95 ARG 96 THR 97 TYR 98 ALA 99 SER 100 TRP 101 SER 102 PRO 103 ASN 104 ILE 105 LYS 106 LEU 107 GLY 108 PHE 109 TRP 110 TYR 111 ARG 112 LEU 113 GLY 114 GLU 115 LEU 116 MET 117 GLU 118 GLN 119 GLY 120 PHE 121 VAL 122 ALA 123 PRO 124 ILE 125 PRO 126 ALA 127 GLY 128 TYR 129 GLN 130 LEU 131 SER 132 ALA 133 ASN 134 ALA 135 ASN 136 ALA 137 VAL 138 LEU 139 ALA 140 THR 141 ILE 142 GLN 143 GLY 144 LEU 145 GLU 146 SER 147 GLY 148 GLN 149 GLN 150 ILE 151 THR 152 VAL 153 LEU 154 ARG 155 ASN 156 ALA 157 VAL 158 VAL 159 ASP 160 MET 161 GLY 162 PHE 163 THR 164 ALA 165

Unit 2

MET 20 VAL 21 PRO 22 ALA 23 THR 24 ILE 25 ALA 26 ARG 27 PHE 28 SER 29 GLN 30 LEU 31 ASN 32 ALA 33 GLU 34 ASP 35 GLN 36 LEU 37 ALA 38 LEU 39 ILE 40 TRP 41 PHE 42 ALA 43 TYR 44 LEU 45 GLU 46 MET 47 GLY 48 LYS 49 THR 50 LEU 51 THR 52 ILE 53 ALA 54 ALA 55 PRO 56 GLY 57 ALA 58 ALA 59 SER 60 MET 61 GLN 62 LEU 63 ALA 64 GLU 65 ASN 66 ALA 67 LEU 68 LYS 69 GLU 70 ILE 71 GLN 72 ALA 73 MET 74 GLY 75 PRO 76 LEU 77 GLN 78 GLN 79 THR 80 GLN 81 ALA 82 MET 83 CYS 84 ASP 85 LEU 86 ALA 87 ASN 88 ARG 89 ALA 90 ASP 91 THR 92 PRO 93 LEU 94 CYS 95 ARG 96 THR 97 TYR 98 ALA 99 SER 100 TRP 101 SER 102 PRO 103 ASN 104 ILE 105 LYS 106 LEU 107 GLY 108 PHE 109 TRP 110 TYR 111 ARG 112 LEU 113 GLY 114 GLU 115 LEU 116 MET 117 GLU 118 GLN 119 GLY 120 PHE 121 VAL 122 ALA 123 PRO 124 ILE 125 PRO 126 ALA 127 GLY 128 TYR 129 GLN 130 LEU 131 SER 132 ALA 133 ASN 134 ALA 135 ASN 136 ALA 137 VAL 138 LEU 139 ALA 140 THR 141 ILE 142 GLN 143 GLY 144 LEU 145 GLU 146 SER 147 GLY 148 GLN 149 GLN 150 ILE 151 THR 152 VAL 153 LEU 154 ARG 155 ASN 156 ALA 157 VAL 158 VAL 159 ASP 160 MET 161 GLY 162 PHE 163 THR 164

Ligands

Unit 3	45D 201
Unit 4	45D 201