1XTA - Sequence, Chains, Asymmetric and Biological Units

• Title: CRYSTAL STRUCTURE OF NATRIN, A SNAKE VENOM CRISP FROM TAIWAN COBRA (NAJA ATRA)
• Keywords: NATRIN, CRISP, SERINE PROTEASE, ION CHANNEL BLOCKING, NAJA ATRA, COBRA, TOXIN
• Experiment: X-ray diffraction
• Number of Models: 1

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

Asymmetric unit from PDB

Unit	Type	Name	Chain ID	Residues	Atoms	Hetatoms
1	Protein	NATRIN 1	A	220	1736	0
2	Protein	NATRIN 1	B	219	1729	0
3	Water			267	0	267
total				706	3465	267

Proteins

Unit 1

VAL 2 ASP 3 PHE 4 ASN 5 SER 6 GLU 7 SER 8 THR 9 ARG 10 ARG 11 LYS 12 LYS 13 LYS 14 GLN 15 LYS 16 GLU 17 ILE 18 VAL 19 ASP 20 LEU 21 HIS 22 ASN 23 SER 24 LEU 25 ARG 26 ARG 27 ARG 28 VAL 29 SER 30 PRO 31 THR 32 ALA 33 SER 34 ASN 35 MET 36 LEU 37 LYS 38 MET 39 GLU 40 TRP 41 TYR 42 PRO 43 GLU 44 ALA 45 ALA 46 SER 47 ASN 48 ALA 49 GLU 50 ARG 51 TRP 52 ALA 53 ASN 54 THR 55 CYS 56 SER 57 LEU 58 ASN 59 HIS 60 SER 61 PRO 62 ASP 63 ASN 64 LEU 65 ARG 66 VAL 67 LEU 68 GLU 69 GLY 70 ILE 71 GLN 72 CYS 73 GLY 74 GLU 75 SER 76 ILE 77 TYR 78 MET 79 SER 80 SER 81 ASN 82 ALA 83 ARG 84 THR 85 TRP 86 THR 87 GLU 88 ILE 89 ILE 90 HIS 91 LEU 92 TRP 93 HIS 94 ASP 95 GLU 96 TYR 97 LYS 98 ASN 99 PHE 100 VAL 101 TYR 102 GLY 103 VAL 104 GLY 105 ALA 106 SER 107 PRO 108 PRO 109 GLY 110 SER 111 VAL 112 THR 113 GLY 114 HIS 115 TYR 116 THR 117 GLN 118 ILE 119 VAL 120 TRP 121 TYR 122 GLN 123 THR 124 TYR 125 ARG 126 ALA 127 GLY 128 CYS 129 ALA 130 VAL 131 SER 132 TYR 133 CYS 134 PRO 135 SER 136 SER 137 ALA 138 TRP 139 SER 140 TYR 141 PHE 142 TYR 143 VAL 144 CYS 145 GLN 146 TYR 147 CYS 148 PRO 149 SER 150 GLY 151 ASN 152 PHE 153 GLN 154 GLY 155 LYS 156 THR 157 ALA 158 THR 159 PRO 160 TYR 161 LYS 162 LEU 163 GLY 164 PRO 165 PRO 166 CYS 167 GLY 168 ASP 169 CYS 170 PRO 171 SER 172 ALA 173 CYS 174 ASP 175 ASN 176 GLY 177 LEU 178 CYS 179 THR 180 ASN 181 PRO 182 CYS 183 THR 184 ILE 185 TYR 186 ASN 187 LYS 188 LEU 189 THR 190 ASN 191 CYS 192 ASP 193 SER 194 LEU 195 LEU 196 LYS 197 GLN 198 SER 199 SER 200 CYS 201 GLN 202 ASP 203 ASP 204 TRP 205 ILE 206 LYS 207 SER 208 ASN 209 CYS 210 PRO 211 ALA 212 SER 213 CYS 214 PHE 215 CYS 216 ARG 217 ASN 218 LYS 219 ILE 220 ILE 221

Unit 2

ASP 3 PHE 4 ASN 5 SER 6 GLU 7 SER 8 THR 9 ARG 10 ARG 11 LYS 12 LYS 13 LYS 14 GLN 15 LYS 16 GLU 17 ILE 18 VAL 19 ASP 20 LEU 21 HIS 22 ASN 23 SER 24 LEU 25 ARG 26 ARG 27 ARG 28 VAL 29 SER 30 PRO 31 THR 32 ALA 33 SER 34 ASN 35 MET 36 LEU 37 LYS 38 MET 39 GLU 40 TRP 41 TYR 42 PRO 43 GLU 44 ALA 45 ALA 46 SER 47 ASN 48 ALA 49 GLU 50 ARG 51 TRP 52 ALA 53 ASN 54 THR 55 CYS 56 SER 57 LEU 58 ASN 59 HIS 60 SER 61 PRO 62 ASP 63 ASN 64 LEU 65 ARG 66 VAL 67 LEU 68 GLU 69 GLY 70 ILE 71 GLN 72 CYS 73 GLY 74 GLU 75 SER 76 ILE 77 TYR 78 MET 79 SER 80 SER 81 ASN 82 ALA 83 ARG 84 THR 85 TRP 86 THR 87 GLU 88 ILE 89 ILE 90 HIS 91 LEU 92 TRP 93 HIS 94 ASP 95 GLU 96 TYR 97 LYS 98 ASN 99 PHE 100 VAL 101 TYR 102 GLY 103 VAL 104 GLY 105 ALA 106 SER 107 PRO 108 PRO 109 GLY 110 SER 111 VAL 112 THR 113 GLY 114 HIS 115 TYR 116 THR 117 GLN 118 ILE 119 VAL 120 TRP 121 TYR 122 GLN 123 THR 124 TYR 125 ARG 126 ALA 127 GLY 128 CYS 129 ALA 130 VAL 131 SER 132 TYR 133 CYS 134 PRO 135 SER 136 SER 137 ALA 138 TRP 139 SER 140 TYR 141 PHE 142 TYR 143 VAL 144 CYS 145 GLN 146 TYR 147 CYS 148 PRO 149 SER 150 GLY 151 ASN 152 PHE 153 GLN 154 GLY 155 LYS 156 THR 157 ALA 158 THR 159 PRO 160 TYR 161 LYS 162 LEU 163 GLY 164 PRO 165 PRO 166 CYS 167 GLY 168 ASP 169 CYS 170 PRO 171 SER 172 ALA 173 CYS 174 ASP 175 ASN 176 GLY 177 LEU 178 CYS 179 THR 180 ASN 181 PRO 182 CYS 183 THR 184 ILE 185 TYR 186 ASN 187 LYS 188 LEU 189 THR 190 ASN 191 CYS 192 ASP 193 SER 194 LEU 195 LEU 196 LYS 197 GLN 198 SER 199 SER 200 CYS 201 GLN 202 ASP 203 ASP 204 TRP 205 ILE 206 LYS 207 SER 208 ASN 209 CYS 210 PRO 211 ALA 212 SER 213 CYS 214 PHE 215 CYS 216 ARG 217 ASN 218 LYS 219 ILE 220 ILE 221