2ITD - Sequence, Chains, Asymmetric and Biological Units

• Title: POTASSIUM CHANNEL KCSA-FAB COMPLEX IN BARIUM CHLORIDE
• Keywords: VOLTAGE-GATED CHANNEL, TRANSMEMBRANE, IONIC CHANNEL, ION TRA CHANNEL, PROTEIN-ANTIBODY FAB COMPLEX, MEMBRANE PROTEIN
• Experiment: X-ray diffraction
• Number of Models: 1

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

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	ANTIBODY FAB FRAGMENT HEAVY CHAIN	A	219	1648	0
2	Protein	ANTIBODY FAB FRAGMENT LIGHT CHAIN	B	212	1649	0
3	Protein	VOLTAGE-GATED POTASSIUM CHANNEL	C	103	777	0
4	Ligand	VOLTAGE-GATED POTASSIUM CHANNEL	C	2	0	2
5	Water			32	0	32
total				568	4074	34

Proteins

Unit 1	GLN 1 VAL 2 GLN 3 LEU 4 GLN 5 GLN 6 PRO 7 GLY 8 ALA 9 GLU 10 LEU 11 VAL 12 LYS 13 PRO 14 GLY 15 ALA 16 SER 17 VAL 18 LYS 19 LEU 20 SER 21 CYS 22 LYS 23 ALA 24 SER 25 GLY 26 TYR 27 THR 28 PHE 29 THR 30 SER 31 ASP 32 TRP 33 ILE 34 HIS 35 TRP 36 VAL 37 LYS 38 GLN 39 ARG 40 PRO 41 GLY 42 HIS 43 GLY 44 LEU 45 GLU 46 TRP 47 ILE 48 GLY 49 GLU 50 ILE 51 ILE 52 PRO 53 SER 54 TYR 55 GLY 56 ARG 57 ALA 58 ASN 59 TYR 60 ASN 61 GLU 62 LYS 63 ILE 64 GLN 65 LYS 66 LYS 67 ALA 68 THR 69 LEU 70 THR 71 ALA 72 ASP 73 LYS 74 SER 75 SER 76 SER 77 THR 78 ALA 79 PHE 80 MET 81 GLN 82 LEU 83 SER 84 SER 85 LEU 86 THR 87 SER 88 GLU 89 ASP 90 SER 91 ALA 92 VAL 93 TYR 94 TYR 95 CYS 96 ALA 97 ARG 98 GLU 99 ARG 100 GLY 101 ASP 102 GLY 103 TYR 104 PHE 105 ALA 106 VAL 107 TRP 108 GLY 109 ALA 110 GLY 111 THR 112 THR 113 VAL 114 THR 115 VAL 116 SER 117 SER 118 ALA 119 LYS 120 THR 121 THR 122 PRO 123 PRO 124 SER 125 VAL 126 TYR 127 PRO 128 LEU 129 ALA 130 PRO 131 GLY 132 SER 133 ALA 134 ALA 135 GLN 136 THR 137 ASN 138 SER 139 MET 140 VAL 141 THR 142 LEU 143 GLY 144 CYS 145 LEU 146 VAL 147 LYS 148 GLY 149 TYR 150 PHE 151 PRO 152 GLU 153 PRO 154 VAL 155 THR 156 VAL 157 THR 158 TRP 159 ASN 160 SER 161 GLY 162 SER 163 LEU 164 SER 165 SER 166 GLY 167 VAL 168 HIS 169 THR 170 PHE 171 PRO 172 ALA 173 VAL 174 LEU 175 GLN 176 SER 177 ASP 178 LEU 179 TYR 180 THR 181 LEU 182 SER 183 SER 184 SER 185 VAL 186 THR 187 VAL 188 PRO 189 SER 190 SER 191 SER 192 TRP 193 PRO 194 SER 195 GLU 196 THR 197 VAL 198 THR 199 CYS 200 ASN 201 VAL 202 ALA 203 HIS 204 PRO 205 ALA 206 SER 207 SER 208 THR 209 LYS 210 VAL 211 ASP 212 LYS 213 LYS 214 ILE 215 VAL 216 PRO 217 ARG 218 ASP 219
Unit 2	ASP 1 ILE 2 LEU 3 LEU 4 THR 5 GLN 6 SER 7 PRO 8 ALA 9 ILE 10 LEU 11 SER 12 VAL 13 SER 14 PRO 15 GLY 16 GLU 17 ARG 18 VAL 19 SER 20 PHE 21 SER 22 CYS 23 ARG 24 ALA 25 SER 26 GLN 27 SER 28 ILE 29 GLY 30 THR 31 ASP 32 ILE 33 HIS 34 TRP 35 TYR 36 GLN 37 GLN 38 ARG 39 THR 40 ASN 41 GLY 42 SER 43 PRO 44 ARG 45 LEU 46 LEU 47 ILE 48 LYS 49 TYR 50 ALA 51 SER 52 GLU 53 SER 54 ILE 55 SER 56 GLY 57 ILE 58 PRO 59 SER 60 ARG 61 PHE 62 SER 63 GLY 64 SER 65 GLY 66 SER 67 GLY 68 THR 69 ASP 70 PHE 71 THR 72 LEU 73 SER 74 ILE 75 ASN 76 SER 77 VAL 78 GLU 79 SER 80 GLU 81 ASP 82 ILE 83 ALA 84 ASN 85 TYR 86 TYR 87 CYS 88 GLN 89 GLN 90 SER 91 ASN 92 ARG 93 TRP 94 PRO 95 PHE 96 THR 97 PHE 98 GLY 99 SER 100 GLY 101 THR 102 LYS 103 LEU 104 GLU 105 ILE 106 LYS 107 ARG 108 ALA 109 ASP 110 ALA 111 ALA 112 PRO 113 THR 114 VAL 115 SER 116 ILE 117 PHE 118 PRO 119 PRO 120 SER 121 SER 122 GLU 123 GLN 124 LEU 125 THR 126 SER 127 GLY 128 GLY 129 ALA 130 SER 131 VAL 132 VAL 133 CYS 134 PHE 135 LEU 136 ASN 137 ASN 138 PHE 139 TYR 140 PRO 141 LYS 142 ASP 143 ILE 144 ASN 145 VAL 146 LYS 147 TRP 148 LYS 149 ILE 150 ASP 151 GLY 152 SER 153 GLU 154 ARG 155 GLN 156 ASN 157 GLY 158 VAL 159 LEU 160 ASN 161 SER 162 TRP 163 THR 164 ASP 165 GLN 166 ASP 167 SER 168 LYS 169 ASP 170 SER 171 THR 172 TYR 173 SER 174 MET 175 SER 176 SER 177 THR 178 LEU 179 THR 180 LEU 181 THR 182 LYS 183 ASP 184 GLU 185 TYR 186 GLU 187 ARG 188 HIS 189 ASN 190 SER 191 TYR 192 THR 193 CYS 194 GLU 195 ALA 196 THR 197 HIS 198 LYS 199 THR 200 SER 201 THR 202 SER 203 PRO 204 ILE 205 VAL 206 LYS 207 SER 208 PHE 209 ASN 210 ARG 211 ASN 212
Unit 3	SER 22 ALA 23 LEU 24 HIS 25 TRP 26 ARG 27 ALA 28 ALA 29 GLY 30 ALA 31 ALA 32 THR 33 VAL 34 LEU 35 LEU 36 VAL 37 ILE 38 VAL 39 LEU 40 LEU 41 ALA 42 GLY 43 SER 44 TYR 45 LEU 46 ALA 47 VAL 48 LEU 49 ALA 50 GLU 51 ARG 52 GLY 53 ALA 54 PRO 55 GLY 56 ALA 57 GLN 58 LEU 59 ILE 60 THR 61 TYR 62 PRO 63 ARG 64 ALA 65 LEU 66 TRP 67 TRP 68 SER 69 VAL 70 GLU 71 THR 72 ALA 73 THR 74 THR 75 VAL 76 GLY 77 TYR 78 GLY 79 ASP 80 LEU 81 TYR 82 PRO 83 VAL 84 THR 85 LEU 86 TRP 87 GLY 88 ARG 89 CYS 90 VAL 91 ALA 92 VAL 93 VAL 94 VAL 95 MET 96 VAL 97 ALA 98 GLY 99 ILE 100 THR 101 SER 102 PHE 103 GLY 104 LEU 105 VAL 106 THR 107 ALA 108 ALA 109 LEU 110 ALA 111 THR 112 TRP 113 PHE 114 VAL 115 GLY 116 ARG 117 GLU 118 GLN 119 GLU 120 ARG 121 ARG 122 GLY 123 HIS 124

Ligands

Unit 4

BA 125 BA 126