2QC1 - Sequence, Chains, Asymmetric and Biological Units

• Title: CRYSTAL STRUCTURE OF THE EXTRACELLULAR DOMAIN OF THE NICOTIN ACETYLCHOLINE RECEPTOR 1 SUBUNIT BOUND TO ALPHA-BUNGAROTOXI RESOLUTION
• Keywords: NICOTINIC ACETYLCHOLINE RECEPTOR, GLYCOSYLATED PROTEIN, BETA SANDWICH, CYS-LOOP, BURIED HYDROPHILIC RESIDUES, PROTEIN BI
• Experiment: X-ray diffraction
• Number of Models: 1

Database	ID code	Status	Coordinate files
			Header	Asymmetric unit	Biological unit
PDB	2QC1	released	available	available	Quaternary Structure Server

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	ALPHA-BUNGAROTOXINACETYLCHOLINE RECEPTOR SUBUNIT ALPHA	A	74	553	0
2	Protein	ALPHA-BUNGAROTOXINACETYLCHOLINE RECEPTOR SUBUNIT ALPHA	B	212	1745	0
3	Ligand		C	10	0	116
4	Water			187	0	187
total				483	2298	303

Proteins

Unit 1

ILE 1 VAL 2 CYS 3 HIS 4 THR 5 THR 6 ALA 7 THR 8 SER 9 PRO 10 ILE 11 SER 12 ALA 13 VAL 14 THR 15 CYS 16 PRO 17 PRO 18 GLY 19 GLU 20 ASN 21 LEU 22 CYS 23 TYR 24 ARG 25 LYS 26 MET 27 TRP 28 CYS 29 ASP 30 VAL 31 PHE 32 CYS 33 SER 34 SER 35 ARG 36 GLY 37 LYS 38 VAL 39 VAL 40 GLU 41 LEU 42 GLY 43 CYS 44 ALA 45 ALA 46 THR 47 CYS 48 PRO 49 SER 50 LYS 51 LYS 52 PRO 53 TYR 54 GLU 55 GLU 56 VAL 57 THR 58 CYS 59 CYS 60 SER 61 THR 62 ASP 63 LYS 64 CYS 65 ASN 66 PRO 67 HIS 68 PRO 69 LYS 70 GLN 71 ARG 72 PRO 73 GLY 74

Unit 2

LYS 0 SER 1 GLU 2 HIS 3 GLU 4 THR 5 ARG 6 LEU 7 GLU 8 ALA 9 LYS 10 LEU 11 PHE 12 GLU 13 ASP 14 TYR 15 SER 16 SER 17 VAL 18 VAL 19 ARG 20 PRO 21 VAL 22 GLU 23 ASP 24 HIS 25 ARG 26 GLU 27 ILE 28 VAL 29 GLN 30 VAL 31 THR 32 VAL 33 GLY 34 LEU 35 GLN 36 LEU 37 ILE 38 GLN 39 LEU 40 ILE 41 ASN 42 VAL 43 ASP 44 GLU 45 VAL 46 ASN 47 GLN 48 ILE 49 VAL 50 THR 51 THR 52 ASN 53 VAL 54 ARG 55 LEU 56 LYS 57 GLN 58 GLN 59 TRP 60 VAL 61 ASP 62 TYR 63 ASN 64 LEU 65 LYS 66 TRP 67 ASN 68 PRO 69 ASP 70 ASP 71 TYR 72 GLY 73 GLY 74 VAL 75 LYS 76 LYS 77 ILE 78 HIS 79 ILE 80 PRO 81 SER 82 GLU 83 LYS 84 ILE 85 TRP 86 ARG 87 PRO 88 ASP 89 VAL 90 VAL 91 LEU 92 TYR 93 ASN 94 ASN 95 ALA 96 ASP 97 GLY 98 ASP 99 PHE 100 ALA 101 ILE 102 VAL 103 LYS 104 PHE 105 THR 106 LYS 107 VAL 108 LEU 109 LEU 110 ASP 111 TYR 112 THR 113 GLY 114 HIS 115 ILE 116 THR 117 TRP 118 THR 119 PRO 120 PRO 121 ALA 122 ILE 123 PHE 124 LYS 125 SER 126 TYR 127 CYS 128 GLU 129 ILE 130 ILE 131 VAL 132 THR 133 HIS 134 PHE 135 PRO 136 PHE 137 ASP 138 GLU 139 GLN 140 ASN 141 CYS 142 SER 143 MET 144 LYS 145 LEU 146 GLY 147 THR 148 ARG 149 THR 150 TYR 151 ASP 152 GLY 153 SER 154 ALA 155 VAL 156 ALA 157 ILE 158 ASN 159 PRO 160 GLU 161 SER 162 ASP 163 GLN 164 PRO 165 ASP 166 LEU 167 SER 168 ASN 169 PHE 170 MET 171 GLU 172 SER 173 GLY 174 GLU 175 TRP 176 VAL 177 ILE 178 LYS 179 GLU 180 ALA 181 ARG 182 GLY 183 TRP 184 LYS 185 HIS 186 TRP 187 VAL 188 PHE 189 TYR 190 SER 191 CYS 192 CYS 193 PRO 194 THR 195 THR 196 PRO 197 TYR 198 LEU 199 ASP 200 ILE 201 THR 202 TYR 203 HIS 204 PHE 205 VAL 206 MET 207 GLN 208 ARG 209 LEU 210 PRO 211

Ligands

Unit 3

NAG 1 NAG 2 MAN 3 MAN 4 MAN 5 MAN 6 MAN 7 MAN 8 MAN 9 MAN 10