------------------------------------------------ PDB || UniProt -------------------------||--------------------- PDB Chn SeqNo Res ResNo||Accession Res Number ------------------------------------------------ 2v68 E 1 GLY 10 P00877 G 10 2v68 E 2 ALA 11 P00877 A 11 2v68 E 3 GLY 12 P00877 G 12 2v68 E 4 PHE 13 P00877 F 13 2v68 E 5 LYS 14 P00877 K 14 2v68 E 6 ALA 15 P00877 A 15 2v68 E 7 GLY 16 P00877 G 16 2v68 E 8 VAL 17 P00877 V 17 2v68 E 9 LYS 18 P00877 K 18 2v68 E 10 ASP 19 P00877 D 19 2v68 E 11 TYR 20 P00877 Y 20 2v68 E 12 ARG 21 P00877 R 21 2v68 E 13 LEU 22 P00877 L 22 2v68 E 14 THR 23 P00877 T 23 2v68 E 15 TYR 24 P00877 Y 24 2v68 E 16 TYR 25 P00877 Y 25 2v68 E 17 THR 26 P00877 T 26 2v68 E 18 PRO 27 P00877 P 27 2v68 E 19 ASP 28 P00877 D 28 2v68 E 20 TYR 29 P00877 Y 29 2v68 E 21 VAL 30 P00877 V 30 2v68 E 22 VAL 31 P00877 V 31 2v68 E 23 ARG 32 P00877 R 32 2v68 E 24 ASP 33 P00877 D 33 2v68 E 25 THR 34 P00877 T 34 2v68 E 26 ASP 35 P00877 D 35 2v68 E 27 ILE 36 P00877 I 36 2v68 E 28 LEU 37 P00877 L 37 2v68 E 29 ALA 38 P00877 A 38 2v68 E 30 ALA 39 P00877 A 39 2v68 E 31 PHE 40 P00877 F 40 2v68 E 32 ARG 41 P00877 R 41 2v68 E 33 MET 42 P00877 M 42 2v68 E 34 THR 43 P00877 T 43 2v68 E 35 PRO 44 P00877 P 44 2v68 E 36 GLN 45 P00877 Q 45 2v68 E 37 PRO 46 P00877 L 46 2v68 E 38 GLY 47 P00877 G 47 2v68 E 39 VAL 48 P00877 V 48 2v68 E 40 PRO 49 P00877 P 49 2v68 E 41 PRO 50 P00877 P 50 2v68 E 42 GLU 51 P00877 E 51 2v68 E 43 GLU 52 P00877 E 52 2v68 E 44 CYS 53 P00877 C 53 2v68 E 45 GLY 54 P00877 G 54 2v68 E 46 ALA 55 P00877 A 55 2v68 E 47 ALA 56 P00877 A 56 2v68 E 48 VAL 57 P00877 V 57 2v68 E 49 ALA 58 P00877 A 58 2v68 E 50 ALA 59 P00877 A 59 2v68 E 51 GLU 60 P00877 E 60 2v68 E 52 SER 61 P00877 S 61 2v68 E 53 SER 62 P00877 S 62 2v68 E 54 THR 63 P00877 T 63 2v68 E 55 GLY 64 P00877 G 64 2v68 E 56 THR 65 P00877 T 65 2v68 E 57 TRP 66 P00877 W 66 2v68 E 58 THR 67 P00877 T 67 2v68 E 59 THR 68 P00877 T 68 2v68 E 60 VAL 69 P00877 V 69 2v68 E 61 TRP 70 P00877 W 70 2v68 E 62 THR 71 P00877 T 71 2v68 E 63 ASP 72 P00877 D 72 2v68 E 64 GLY 73 P00877 G 73 2v68 E 65 LEU 74 P00877 L 74 2v68 E 66 THR 75 P00877 T 75 2v68 E 67 SER 76 P00877 S 76 2v68 E 68 LEU 77 P00877 L 77 2v68 E 69 ASP 78 P00877 D 78 2v68 E 70 ARG 79 P00877 R 79 2v68 E 71 TYR 80 P00877 Y 80 2v68 E 72 LYS 81 P00877 K 81 2v68 E 73 GLY 82 P00877 G 82 2v68 E 74 ARG 83 P00877 R 83 2v68 E 75 CYS 84 P00877 C 84 2v68 E 76 TYR 85 P00877 Y 85 2v68 E 77 ASP 86 P00877 D 86 2v68 E 78 ILE 87 P00877 I 87 2v68 E 79 GLU 88 P00877 E 88 2v68 E 80 PRO 89 P00877 P 89 2v68 E 81 VAL 90 P00877 V 90 2v68 E 82 PRO 91 P00877 P 91 2v68 E 83 GLY 92 P00877 G 92 2v68 E 84 GLU 93 P00877 E 93 2v68 E 85 ASP 94 P00877 D 94 2v68 E 86 ASN 95 P00877 N 95 2v68 E 87 GLN 96 P00877 Q 96 2v68 E 88 TYR 97 P00877 Y 97 2v68 E 89 ILE 98 P00877 I 98 2v68 E 90 ALA 99 P00877 A 99 2v68 E 91 TYR 100 P00877 Y 100 2v68 E 92 VAL 101 P00877 V 101 2v68 E 93 ALA 102 P00877 A 102 2v68 E 94 TYR 103 P00877 Y 103 2v68 E 95 HYP 104 P00877 P 104 2v68 E 96 ILE 105 P00877 I 105 2v68 E 97 ASP 106 P00877 D 106 2v68 E 98 LEU 107 P00877 L 107 2v68 E 99 PHE 108 P00877 F 108 2v68 E 100 GLU 109 P00877 E 109 2v68 E 101 GLU 110 P00877 E 110 2v68 E 102 GLY 111 P00877 G 111 2v68 E 103 SER 112 P00877 S 112 2v68 E 104 VAL 113 P00877 V 113 2v68 E 105 THR 114 P00877 T 114 2v68 E 106 ASN 115 P00877 N 115 2v68 E 107 MET 116 P00877 M 116 2v68 E 108 PHE 117 P00877 F 117 2v68 E 109 THR 118 P00877 T 118 2v68 E 110 SER 119 P00877 S 119 2v68 E 111 ILE 120 P00877 I 120 2v68 E 112 VAL 121 P00877 V 121 2v68 E 113 GLY 122 P00877 G 122 2v68 E 114 ASN 123 P00877 N 123 2v68 E 115 VAL 124 P00877 V 124 2v68 E 116 PHE 125 P00877 F 125 2v68 E 117 GLY 126 P00877 G 126 2v68 E 118 PHE 127 P00877 F 127 2v68 E 119 LYS 128 P00877 K 128 2v68 E 120 ALA 129 P00877 A 129 2v68 E 121 LEU 130 P00877 L 130 2v68 E 122 ARG 131 P00877 R 131 2v68 E 123 ALA 132 P00877 A 132 2v68 E 124 LEU 133 P00877 L 133 2v68 E 125 ARG 134 P00877 R 134 2v68 E 126 LEU 135 P00877 L 135 2v68 E 127 GLU 136 P00877 E 136 2v68 E 128 ASP 137 P00877 D 137 2v68 E 129 LEU 138 P00877 L 138 2v68 E 130 ARG 139 P00877 R 139 2v68 E 131 ILE 140 P00877 I 140 2v68 E 132 PRO 141 P00877 P 141 2v68 E 133 PRO 142 P00877 P 142 2v68 E 134 ALA 143 P00877 A 143 2v68 E 135 TYR 144 P00877 Y 144 2v68 E 136 VAL 145 P00877 V 145 2v68 E 137 LYS 146 P00877 K 146 2v68 E 138 THR 147 P00877 T 147 2v68 E 139 PHE 148 P00877 F 148 2v68 E 140 VAL 149 P00877 V 149 2v68 E 141 GLY 150 P00877 G 150 2v68 E 142 HYP 151 P00877 P 151 2v68 E 143 PRO 152 P00877 P 152 2v68 E 144 HIS 153 P00877 H 153 2v68 E 145 GLY 154 P00877 G 154 2v68 E 146 ILE 155 P00877 I 155 2v68 E 147 GLN 156 P00877 Q 156 2v68 E 148 VAL 157 P00877 V 157 2v68 E 149 GLU 158 P00877 E 158 2v68 E 150 ARG 159 P00877 R 159 2v68 E 151 ASP 160 P00877 D 160 2v68 E 152 LYS 161 P00877 K 161 2v68 E 153 LEU 162 P00877 L 162 2v68 E 154 ASN 163 P00877 N 163 2v68 E 155 LYS 164 P00877 K 164 2v68 E 156 TYR 165 P00877 Y 165 2v68 E 157 GLY 166 P00877 G 166 2v68 E 158 ARG 167 P00877 R 167 2v68 E 159 GLY 168 P00877 G 168 2v68 E 160 LEU 169 P00877 L 169 2v68 E 161 LEU 170 P00877 L 170 2v68 E 162 GLY 171 P00877 G 171 2v68 E 163 CYS 172 P00877 C 172 2v68 E 164 THR 173 P00877 T 173 2v68 E 165 ILE 174 P00877 I 174 2v68 E 166 LYS 175 P00877 K 175 2v68 E 167 PRO 176 P00877 P 176 2v68 E 168 LYS 177 P00877 K 177 2v68 E 169 LEU 178 P00877 L 178 2v68 E 170 GLY 179 P00877 G 179 2v68 E 171 LEU 180 P00877 L 180 2v68 E 172 SER 181 P00877 S 181 2v68 E 173 ALA 182 P00877 A 182 2v68 E 174 LYS 183 P00877 K 183 2v68 E 175 ASN 184 P00877 N 184 2v68 E 176 TYR 185 P00877 Y 185 2v68 E 177 GLY 186 P00877 G 186 2v68 E 178 ARG 187 P00877 R 187 2v68 E 179 ALA 188 P00877 A 188 2v68 E 180 VAL 189 P00877 V 189 2v68 E 181 TYR 190 P00877 Y 190 2v68 E 182 GLU 191 P00877 E 191 2v68 E 183 CYS 192 P00877 C 192 2v68 E 184 LEU 193 P00877 L 193 2v68 E 185 ARG 194 P00877 R 194 2v68 E 186 GLY 195 P00877 G 195 2v68 E 187 GLY 196 P00877 G 196 2v68 E 188 LEU 197 P00877 L 197 2v68 E 189 ASP 198 P00877 D 198 2v68 E 190 PHE 199 P00877 F 199 2v68 E 191 THR 200 P00877 T 200 2v68 E 192 ASP 202 P00877 D 202 2v68 E 193 ASP 203 P00877 D 203 2v68 E 194 GLU 204 P00877 E 204 2v68 E 195 ASN 205 P00877 N 205 2v68 E 196 VAL 206 P00877 V 206 2v68 E 197 ASN 207 P00877 N 207 2v68 E 198 SER 208 P00877 S 208 2v68 E 199 GLN 209 P00877 Q 209 2v68 E 200 PRO 210 P00877 P 210 2v68 E 201 PHE 211 P00877 F 211 2v68 E 202 MET 212 P00877 M 212 2v68 E 203 ARG 213 P00877 R 213 2v68 E 204 TRP 214 P00877 W 214 2v68 E 205 ARG 215 P00877 R 215 2v68 E 206 ASP 216 P00877 D 216 2v68 E 207 ARG 217 P00877 R 217 2v68 E 208 PHE 218 P00877 F 218 2v68 E 209 LEU 219 P00877 L 219 2v68 E 210 PHE 220 P00877 F 220 2v68 E 211 VAL 221 P00877 V 221 2v68 E 212 ALA 222 P00877 A 222 2v68 E 213 GLU 223 P00877 E 223 2v68 E 214 ALA 224 P00877 A 224 2v68 E 215 ILE 225 P00877 I 225 2v68 E 216 TYR 226 P00877 Y 226 2v68 E 217 LYS 227 P00877 K 227 2v68 E 218 ALA 228 P00877 A 228 2v68 E 219 GLN 229 P00877 Q 229 2v68 E 220 ALA 230 P00877 A 230 2v68 E 221 GLU 231 P00877 E 231 2v68 E 222 THR 232 P00877 T 232 2v68 E 223 GLY 233 P00877 G 233 2v68 E 224 GLU 234 P00877 E 234 2v68 E 225 VAL 235 P00877 V 235 2v68 E 226 LYS 236 P00877 K 236 2v68 E 227 GLY 237 P00877 G 237 2v68 E 228 HIS 238 P00877 H 238 2v68 E 229 TYR 239 P00877 Y 239 2v68 E 230 LEU 240 P00877 L 240 2v68 E 231 ASN 241 P00877 N 241 2v68 E 232 ALA 242 P00877 A 242 2v68 E 233 THR 243 P00877 T 243 2v68 E 234 ALA 244 P00877 A 244 2v68 E 235 GLY 245 P00877 G 245 2v68 E 236 THR 246 P00877 T 246 2v68 E 237 CYS 247 P00877 C 247 2v68 E 238 GLU 248 P00877 E 248 2v68 E 239 GLU 249 P00877 E 249 2v68 E 240 MET 250 P00877 M 250 2v68 E 241 MET 251 P00877 M 251 2v68 E 242 LYS 252 P00877 K 252 2v68 E 243 ARG 253 P00877 R 253 2v68 E 244 ALA 254 P00877 A 254 2v68 E 245 VAL 255 P00877 V 255 2v68 E 246 ALA 257 P00877 A 257 2v68 E 247 LYS 258 P00877 K 258 2v68 E 248 GLU 259 P00877 E 259 2v68 E 249 LEU 260 P00877 L 260 2v68 E 250 GLY 261 P00877 G 261 2v68 E 251 VAL 262 P00877 V 262 2v68 E 252 PRO 263 P00877 P 263 2v68 E 253 ILE 264 P00877 I 264 2v68 E 254 ILE 265 P00877 I 265 2v68 E 255 MET 266 P00877 M 266 2v68 E 256 HIS 267 P00877 H 267 2v68 E 257 ASP 268 P00877 D 268 2v68 E 258 TYR 269 P00877 Y 269 2v68 E 259 LEU 270 P00877 L 270 2v68 E 260 THR 271 P00877 T 271 2v68 E 261 GLY 272 P00877 G 272 2v68 E 262 GLY 273 P00877 G 273 2v68 E 263 PHE 274 P00877 F 274 2v68 E 264 THR 275 P00877 T 275 2v68 E 265 ALA 276 P00877 A 276 2v68 E 266 ASN 277 P00877 N 277 2v68 E 267 THR 278 P00877 T 278 2v68 E 268 SER 279 P00877 S 279 2v68 E 269 LEU 280 P00877 L 280 2v68 E 270 ALA 281 P00877 A 281 2v68 E 271 ILE 282 P00877 I 282 2v68 E 272 TYR 283 P00877 Y 283 2v68 E 273 CYS 284 P00877 C 284 2v68 E 274 ARG 285 P00877 R 285 2v68 E 275 ASP 286 P00877 D 286 2v68 E 276 ASN 287 P00877 N 287 2v68 E 277 GLY 288 P00877 G 288 2v68 E 278 LEU 289 P00877 L 289 2v68 E 279 LEU 290 P00877 L 290 2v68 E 280 LEU 291 P00877 L 291 2v68 E 281 HIS 292 P00877 H 292 2v68 E 282 ILE 293 P00877 I 293 2v68 E 283 HIS 294 P00877 H 294 2v68 E 284 ARG 295 P00877 R 295 2v68 E 285 ALA 296 P00877 A 296 2v68 E 286 MET 297 P00877 M 297 2v68 E 287 HIS 298 P00877 H 298 2v68 E 288 ALA 299 P00877 A 299 2v68 E 289 VAL 300 P00877 V 300 2v68 E 290 ILE 301 P00877 I 301 2v68 E 291 ASP 302 P00877 D 302 2v68 E 292 ARG 303 P00877 R 303 2v68 E 293 GLN 304 P00877 Q 304 2v68 E 294 ARG 305 P00877 R 305 2v68 E 295 ASN 306 P00877 N 306 2v68 E 296 HIS 307 P00877 H 307 2v68 E 297 GLY 308 P00877 G 308 2v68 E 298 ILE 309 P00877 I 309 2v68 E 299 HIS 310 P00877 H 310 2v68 E 300 PHE 311 P00877 F 311 2v68 E 301 ARG 312 P00877 R 312 2v68 E 302 VAL 313 P00877 V 313 2v68 E 303 LEU 314 P00877 L 314 2v68 E 304 ALA 315 P00877 A 315 2v68 E 305 LYS 316 P00877 K 316 2v68 E 306 ALA 317 P00877 A 317 2v68 E 307 LEU 318 P00877 L 318 2v68 E 308 ARG 319 P00877 R 319 2v68 E 309 MET 320 P00877 M 320 2v68 E 310 SER 321 P00877 S 321 2v68 E 311 GLY 322 P00877 G 322 2v68 E 312 GLY 323 P00877 G 323 2v68 E 313 ASP 324 P00877 D 324 2v68 E 314 HIS 325 P00877 H 325 2v68 E 315 LEU 326 P00877 L 326 2v68 E 316 HIS 327 P00877 H 327 2v68 E 317 SER 328 P00877 S 328 2v68 E 318 GLY 329 P00877 G 329 2v68 E 319 THR 330 P00877 T 330 2v68 E 320 ALA 331 P00877 V 331 2v68 E 321 VAL 332 P00877 V 332 2v68 E 322 GLY 333 P00877 G 333 2v68 E 323 LYS 334 P00877 K 334 2v68 E 324 LEU 335 P00877 L 335 2v68 E 325 GLU 336 P00877 E 336 2v68 E 326 GLY 337 P00877 G 337 2v68 E 327 GLU 338 P00877 E 338 2v68 E 328 ARG 339 P00877 R 339 2v68 E 329 GLU 340 P00877 E 340 2v68 E 330 VAL 341 P00877 V 341 2v68 E 331 ILE 342 P00877 T 342 2v68 E 332 LEU 343 P00877 L 343 2v68 E 333 GLY 344 P00877 G 344 2v68 E 334 PHE 345 P00877 F 345 2v68 E 335 VAL 346 P00877 V 346 2v68 E 336 ASP 347 P00877 D 347 2v68 E 337 LEU 348 P00877 L 348 2v68 E 338 MET 349 P00877 M 349 2v68 E 339 ARG 350 P00877 R 350 2v68 E 340 ASP 351 P00877 D 351 2v68 E 341 ASP 352 P00877 D 352 2v68 E 342 TYR 353 P00877 Y 353 2v68 E 343 VAL 354 P00877 V 354 2v68 E 344 GLU 355 P00877 E 355 2v68 E 345 LYS 356 P00877 K 356 2v68 E 346 ASP 357 P00877 D 357 2v68 E 347 ARG 358 P00877 R 358 2v68 E 348 SER 359 P00877 S 359 2v68 E 349 ARG 360 P00877 R 360 2v68 E 350 GLY 361 P00877 G 361 2v68 E 351 ILE 362 P00877 I 362 2v68 E 352 TYR 363 P00877 Y 363 2v68 E 353 PHE 364 P00877 F 364 2v68 E 354 THR 365 P00877 T 365 2v68 E 355 GLN 366 P00877 Q 366 2v68 E 356 ASP 367 P00877 D 367 2v68 E 357 TRP 368 P00877 W 368 2v68 E 358 SER 370 P00877 S 370 2v68 E 359 MET 371 P00877 M 371 2v68 E 360 PRO 372 P00877 P 372 2v68 E 361 GLY 373 P00877 G 373 2v68 E 362 VAL 374 P00877 V 374 2v68 E 363 MET 375 P00877 M 375 2v68 E 364 PRO 376 P00877 P 376 2v68 E 365 VAL 377 P00877 V 377 2v68 E 366 ALA 378 P00877 A 378 2v68 E 367 SER 379 P00877 S 379 2v68 E 368 GLY 380 P00877 G 380 2v68 E 369 GLY 381 P00877 G 381 2v68 E 370 ILE 382 P00877 I 382 2v68 E 371 HIS 383 P00877 H 383 2v68 E 372 VAL 384 P00877 V 384 2v68 E 373 TRP 385 P00877 W 385 2v68 E 374 HIS 386 P00877 H 386 2v68 E 375 MET 387 P00877 M 387 2v68 E 376 PRO 388 P00877 P 388 2v68 E 377 ALA 389 P00877 A 389 2v68 E 378 LEU 390 P00877 L 390 2v68 E 379 VAL 391 P00877 V 391 2v68 E 380 GLU 392 P00877 E 392 2v68 E 381 ILE 393 P00877 I 393 2v68 E 382 PHE 394 P00877 F 394 2v68 E 383 GLY 395 P00877 G 395 2v68 E 384 ASP 396 P00877 D 396 2v68 E 385 ASP 397 P00877 D 397 2v68 E 386 ALA 398 P00877 A 398 2v68 E 387 CYS 399 P00877 C 399 2v68 E 388 LEU 400 P00877 L 400 2v68 E 389 GLN 401 P00877 Q 401 2v68 E 390 PHE 402 P00877 F 402 2v68 E 391 GLY 403 P00877 G 403 2v68 E 392 GLY 404 P00877 G 404 2v68 E 393 GLY 405 P00877 G 405 2v68 E 394 THR 406 P00877 T 406 2v68 E 395 LEU 407 P00877 L 407 2v68 E 396 GLY 408 P00877 G 408 2v68 E 397 HIS 409 P00877 H 409 2v68 E 398 PRO 410 P00877 P 410 2v68 E 399 TRP 411 P00877 W 411 2v68 E 400 GLY 412 P00877 G 412 2v68 E 401 ASN 413 P00877 N 413 2v68 E 402 ALA 414 P00877 A 414 2v68 E 403 PRO 415 P00877 P 415 2v68 E 404 GLY 416 P00877 G 416 2v68 E 405 ALA 417 P00877 A 417 2v68 E 406 ALA 418 P00877 A 418 2v68 E 407 ALA 419 P00877 A 419 2v68 E 408 ASN 420 P00877 N 420 2v68 E 409 ARG 421 P00877 R 421 2v68 E 410 VAL 422 P00877 V 422 2v68 E 411 ALA 423 P00877 A 423 2v68 E 412 LEU 424 P00877 L 424 2v68 E 413 GLU 425 P00877 E 425 2v68 E 414 ALA 426 P00877 A 426 2v68 E 415 CYS 427 P00877 C 427 2v68 E 416 THR 428 P00877 T 428 2v68 E 417 GLN 429 P00877 Q 429 2v68 E 418 ALA 430 P00877 A 430 2v68 E 419 ARG 431 P00877 R 431 2v68 E 420 ASN 432 P00877 N 432 2v68 E 421 GLU 433 P00877 E 433 2v68 E 422 GLY 434 P00877 G 434 2v68 E 423 ARG 435 P00877 R 435 2v68 E 424 ASP 436 P00877 D 436 2v68 E 425 LEU 437 P00877 L 437 2v68 E 426 ALA 438 P00877 A 438 2v68 E 427 ARG 439 P00877 R 439 2v68 E 428 GLU 440 P00877 E 440 2v68 E 429 GLY 441 P00877 G 441 2v68 E 430 GLY 442 P00877 G 442 2v68 E 431 ASP 443 P00877 D 443 2v68 E 432 VAL 444 P00877 V 444 2v68 E 433 ILE 445 P00877 I 445 2v68 E 434 ARG 446 P00877 R 446 2v68 E 435 SER 447 P00877 S 447 2v68 E 436 ALA 448 P00877 A 448 2v68 E 437 CYS 449 P00877 C 449 2v68 E 438 LYS 450 P00877 K 450 2v68 E 439 TRP 451 P00877 W 451 2v68 E 440 SER 452 P00877 S 452 2v68 E 441 PRO 453 P00877 P 453 2v68 E 442 GLU 454 P00877 E 454 2v68 E 443 LEU 455 P00877 L 455 2v68 E 444 ALA 456 P00877 A 456 2v68 E 445 ALA 457 P00877 A 457 2v68 E 446 ALA 458 P00877 A 458 2v68 E 447 CYS 459 P00877 C 459 2v68 E 448 GLU 460 P00877 E 460 2v68 E 449 VAL 461 P00877 V 461 2v68 E 450 TRP 462 P00877 W 462 2v68 E 451 LYS 463 P00877 K 463 2v68 E 452 GLU 464 P00877 E 464 2v68 E 453 ILE 465 P00877 I 465 2v68 E 454 LYS 466 P00877 K 466 2v68 E 455 PHE 467 P00877 F 467 2v68 E 456 GLU 468 P00877 E 468 2v68 E 457 PHE 469 P00877 F 469 2v68 E 458 ASP 470 P00877 D 470 2v68 E 459 THR 471 P00877 T 471 2v68 E 460 ILE 472 P00877 I 472 2v68 E 461 ASP 473 P00877 D 473 2v68 E 462 LYS 474 P00877 K 474 2v68 E 463 LEU 475 P00877 L 475
A total of 463 residues were displayed for 1 chains.