HEADSC 1vhe COMMNT S2C correlation file created: Sat Mar 4 08:00:47 EST 2006 COMMNT COMMNT If you use this database, please cite: COMMNT COMMNT Guoli Wang, Jonathan W. Arthur, and Roland L. Dunbrack, Jr. COMMNT "S2C: A database correlating sequence and atomic COMMNT coordinate numbering in the Protein Data Bank" COMMNT dunbrack.fccc.edu/Guoli/s2c COMMNT Copyright (c) February 2000, April 2002. COMMNT COMMNT SEQCRD columns are as follows: COMMNT COMMNT Column Positions Item COMMNT 1 0-6 Record identifier COMMNT 2 8 Chain COMMNT 3 10 One letter residue code COMMNT 4 12-14 SEQRES three letter residue code COMMNT 5 16-18 ATOM three letter residue code COMMNT 6 20-24 SEQRES residue number COMMNT 7 26-31 ATOM residue number COMMNT 8 33 PDB secondary structure COMMNT 9 35 STRIDE secondary structure COMMNT 10 37-43 Error flags COMMNT COMMNT Secondary structrue annotation: COMMNT H: Helix E: Strand T: Turn COMMNT B: Bridge G: 310Helix C: Coil COMMNT SEQCRD A M MSE --- 1 - - - 367 SEQCRD A S SER --- 2 - - - 367 SEQCRD A L LEU --- 3 - - - 367 SEQCRD A A ALA --- 4 - - - 367 SEQCRD A K LYS LYS 5 3 C C 4 SEQCRD A L LEU LEU 6 4 C C 4 SEQCRD A D ASP ASP 7 5 H C 45 SEQCRD A E GLU GLU 8 6 H H 4 SEQCRD A T THR THR 9 7 H H 4 SEQCRD A L LEU LEU 10 8 H H 4 SEQCRD A T THR THR 11 9 H H 4 SEQCRD A M MSE MSE 12 10 H H 4 SEQCRD A L LEU LEU 13 11 H H 4 SEQCRD A K LYS LYS 14 12 H H 4 SEQCRD A D ASP ASP 15 13 H H 4 SEQCRD A L LEU LEU 16 14 H H 4 SEQCRD A T THR THR 17 15 H H 4 SEQCRD A D ASP ASP 18 16 H H 4 SEQCRD A A ALA ALA 19 17 H C 45 SEQCRD A K LYS LYS 20 18 C C 4 SEQCRD A G GLY GLY 21 19 C C 4 SEQCRD A I ILE ILE 22 20 C T 45 SEQCRD A P PRO PRO 23 21 C T 45 SEQCRD A G GLY GLY 24 22 C T 45 SEQCRD A N ASN ASN 25 23 C T 45 SEQCRD A E GLU GLU 26 24 H H 4 SEQCRD A R ARG ARG 27 25 H H 4 SEQCRD A E GLU GLU 28 26 H H 4 SEQCRD A V VAL VAL 29 27 H H 4 SEQCRD A R ARG ARG 30 28 H H 4 SEQCRD A Q GLN GLN 31 29 H H 4 SEQCRD A V VAL VAL 32 30 H H 4 SEQCRD A M MSE MSE 33 31 H H 4 SEQCRD A K LYS LYS 34 32 H H 4 SEQCRD A S SER SER 35 33 H H 4 SEQCRD A Y TYR TYR 36 34 H H 4 SEQCRD A I ILE ILE 37 35 H H 4 SEQCRD A E GLU GLU 38 36 H G 45 SEQCRD A P PRO PRO 39 37 H G 45 SEQCRD A F PHE PHE 40 38 H G 45 SEQCRD A A ALA ALA 41 39 H T 45 SEQCRD A D ASP ASP 42 40 C T 45 SEQCRD A E GLU GLU 43 41 E E 4 SEQCRD A V VAL VAL 44 42 E E 4 SEQCRD A T THR THR 45 43 E E 4 SEQCRD A T THR THR 46 44 E E 4 SEQCRD A D ASP ASP 47 45 C T 45 SEQCRD A R ARG ARG 48 46 C T 45 SEQCRD A L LEU LEU 49 47 C T 45 SEQCRD A G GLY GLY 50 48 C T 45 SEQCRD A S SER SER 51 49 C C 4 SEQCRD A L LEU LEU 52 50 E E 4 SEQCRD A I ILE ILE 53 51 E E 4 SEQCRD A A ALA ALA 54 52 E E 4 SEQCRD A K LYS LYS 55 53 E E 4 SEQCRD A K LYS LYS 56 54 E E 4 SEQCRD A T THR THR 57 55 E E 4 SEQCRD A G GLY GLY 58 56 C T 45 SEQCRD A A ALA ALA 59 57 C T 45 SEQCRD A E GLU GLU 60 58 C T 45 SEQCRD A N ASN ASN 61 59 C T 45 SEQCRD A G GLY GLY 62 60 C T 45 SEQCRD A P PRO PRO 63 61 C C 4 SEQCRD A K LYS LYS 64 62 E E 4 SEQCRD A I ILE ILE 65 63 E E 4 SEQCRD A M MSE MSE 66 64 E E 4 SEQCRD A I ILE ILE 67 65 E E 4 SEQCRD A A ALA ALA 68 66 E E 4 SEQCRD A G GLY GLY 69 67 E E 4 SEQCRD A H HIS HIS 70 68 E E 4 SEQCRD A L LEU LEU 71 69 C C 4 SEQCRD A D ASP ASP 72 70 C C 4 SEQCRD A E GLU GLU 73 71 C C 4 SEQCRD A V VAL VAL 74 72 C C 4 SEQCRD A G GLY GLY 75 73 E E 4 SEQCRD A F PHE PHE 76 74 E E 4 SEQCRD A M MSE MSE 77 75 E E 4 SEQCRD A V VAL VAL 78 76 E E 4 SEQCRD A T THR THR 79 77 E E 4 SEQCRD A Q GLN GLN 80 78 E E 4 SEQCRD A I ILE ILE 81 79 E E 4 SEQCRD A T THR THR 82 80 C T 45 SEQCRD A D ASP ASP 83 81 C T 45 SEQCRD A K LYS LYS 84 82 C T 45 SEQCRD A G GLY GLY 85 83 C T 45 SEQCRD A F PHE PHE 86 84 C E 45 SEQCRD A I ILE ILE 87 85 E E 4 SEQCRD A R ARG ARG 88 86 E E 4 SEQCRD A F PHE PHE 89 87 E E 4 SEQCRD A Q GLN GLN 90 88 E E 4 SEQCRD A T THR THR 91 89 E E 4 SEQCRD A V VAL VAL 92 90 E E 4 SEQCRD A G GLY GLY 93 91 C C 4 SEQCRD A G GLY GLY 94 92 C C 4 SEQCRD A W TRP TRP 95 93 C C 4 SEQCRD A W TRP TRP 96 94 H C 45 SEQCRD A A ALA ALA 97 95 H G 45 SEQCRD A Q GLN GLN 98 96 H G 45 SEQCRD A V VAL VAL 99 97 H G 45 SEQCRD A M MSE MSE 100 98 H T 45 SEQCRD A L LEU LEU 101 99 C T 45 SEQCRD A A ALA ALA 102 100 C T 45 SEQCRD A Q GLN GLN 103 101 C E 45 SEQCRD A R ARG ARG 104 102 E E 4 SEQCRD A V VAL VAL 105 103 E E 4 SEQCRD A T THR THR 106 104 E E 4 SEQCRD A I ILE ILE 107 105 E E 4 SEQCRD A V VAL VAL 108 106 E E 4 SEQCRD A T THR THR 109 107 E E 4 SEQCRD A K LYS LYS 110 108 C T 45 SEQCRD A K LYS LYS 111 109 C T 45 SEQCRD A G GLY GLY 112 110 E E 4 SEQCRD A E GLU GLU 113 111 E E 4 SEQCRD A I ILE ILE 114 112 E E 4 SEQCRD A T THR THR 115 113 E E 4 SEQCRD A G GLY GLY 116 114 E E 4 SEQCRD A V VAL VAL 117 115 E E 4 SEQCRD A I ILE ILE 118 116 E E 4 SEQCRD A G GLY GLY 119 117 E E 4 SEQCRD A S SER SER 120 118 C C 4 SEQCRD A K LYS LYS 121 119 C C 4 SEQCRD A P PRO PRO 122 120 H C 45 SEQCRD A P PRO PRO 123 121 H G 45 SEQCRD A H HIS HIS 124 122 H G 45 SEQCRD A I ILE ILE 125 123 H G 45 SEQCRD A L LEU LEU 126 124 H C 45 SEQCRD A S SER SER 127 125 C T 45 SEQCRD A P PRO PRO 128 126 C T 45 SEQCRD A E GLU GLU 129 127 C T 45 SEQCRD A A ALA ALA 130 128 C G 45 SEQCRD A R ARG ARG 131 129 C G 45 SEQCRD A K LYS LYS 132 130 C G 45 SEQCRD A K LYS LYS 133 131 C C 4 SEQCRD A S SER SER 134 132 C C 4 SEQCRD A V VAL VAL 135 133 C C 4 SEQCRD A E GLU GLU 136 134 H C 45 SEQCRD A I ILE ILE 137 135 H G 45 SEQCRD A K LYS LYS 138 136 H G 45 SEQCRD A D ASP ASP 139 137 H G 45 SEQCRD A M MSE MSE 140 138 H C 45 SEQCRD A F PHE PHE 141 139 E E 4 SEQCRD A I ILE ILE 142 140 E E 4 SEQCRD A D ASP ASP 143 141 E E 4 SEQCRD A I ILE ILE 144 142 C C 4 SEQCRD A G GLY GLY 145 143 C C 4 SEQCRD A A ALA ALA 146 144 C C 4 SEQCRD A S SER SER 147 145 C C 4 SEQCRD A S SER SER 148 146 H C 45 SEQCRD A R ARG ARG 149 147 H H 4 SEQCRD A E GLU GLU 150 148 H H 4 SEQCRD A E GLU GLU 151 149 H H 4 SEQCRD A A ALA ALA 152 150 H H 4 SEQCRD A L LEU LEU 153 151 H H 4 SEQCRD A E GLU GLU 154 152 H H 4 SEQCRD A W TRP TRP 155 153 H H 4 SEQCRD A G GLY GLY 156 154 C C 4 SEQCRD A V VAL VAL 157 155 C C 4 SEQCRD A L LEU LEU 158 156 C T 45 SEQCRD A P PRO PRO 159 157 C T 45 SEQCRD A G GLY GLY 160 158 C T 45 SEQCRD A D ASP ASP 161 159 C E 45 SEQCRD A M MSE MSE 162 160 E E 4 SEQCRD A I ILE ILE 163 161 E E 4 SEQCRD A V VAL VAL 164 162 E E 4 SEQCRD A P PRO PRO 165 163 E E 4 SEQCRD A H HIS HIS 166 164 C C 4 SEQCRD A F PHE PHE 167 165 C C 4 SEQCRD A E GLU GLU 168 166 C C 4 SEQCRD A F PHE PHE 169 167 C C 4 SEQCRD A T THR THR 170 168 E E 4 SEQCRD A V VAL VAL 171 169 E E 4 SEQCRD A M MSE MSE 172 170 C T 45 SEQCRD A N ASN ASN 173 171 C T 45 SEQCRD A N ASN ASN 174 172 C T 45 SEQCRD A E GLU GLU 175 173 C T 45 SEQCRD A K LYS LYS 176 174 C T 45 SEQCRD A F PHE PHE 177 175 E E 4 SEQCRD A L LEU LEU 178 176 E E 4 SEQCRD A L LEU LEU 179 177 E E 4 SEQCRD A A ALA ALA 180 178 E E 4 SEQCRD A K LYS LYS 181 179 C T 45 SEQCRD A A ALA ALA 182 180 H T 45 SEQCRD A W TRP TRP 183 181 H H 4 SEQCRD A D ASP ASP 184 182 H H 4 SEQCRD A N ASN ASN 185 183 H H 4 SEQCRD A R ARG ARG 186 184 H H 4 SEQCRD A I ILE ILE 187 185 H H 4 SEQCRD A G GLY GLY 188 186 H H 4 SEQCRD A C CYS CYS 189 187 H H 4 SEQCRD A A ALA ALA 190 188 H H 4 SEQCRD A I ILE ILE 191 189 H H 4 SEQCRD A A ALA ALA 192 190 H H 4 SEQCRD A I ILE ILE 193 191 H H 4 SEQCRD A D ASP ASP 194 192 H H 4 SEQCRD A V VAL VAL 195 193 H H 4 SEQCRD A L LEU LEU 196 194 H H 4 SEQCRD A R ARG ARG 197 195 H H 4 SEQCRD A N ASN ASN 198 196 H H 4 SEQCRD A L LEU LEU 199 197 H H 4 SEQCRD A Q GLN GLN 200 198 H H 4 SEQCRD A N ASN ASN 201 199 H C 45 SEQCRD A T THR THR 202 200 C C 4 SEQCRD A D ASP ASP 203 201 C C 4 SEQCRD A H HIS HIS 204 202 C C 4 SEQCRD A P PRO PRO 205 203 C C 4 SEQCRD A N ASN ASN 206 204 C C 4 SEQCRD A I ILE ILE 207 205 E E 4 SEQCRD A V VAL VAL 208 206 E E 4 SEQCRD A Y TYR TYR 209 207 E E 4 SEQCRD A G GLY GLY 210 208 E E 4 SEQCRD A V VAL VAL 211 209 E E 4 SEQCRD A G GLY GLY 212 210 E E 4 SEQCRD A T THR THR 213 211 E E 4 SEQCRD A V VAL VAL 214 212 C T 45 SEQCRD A Q GLN GLN 215 213 C T 45 SEQCRD A E GLU GLU 216 214 C T 45 SEQCRD A E GLU GLU 217 215 C T 45 SEQCRD A V VAL VAL 218 216 C T 45 SEQCRD A G GLY GLY 219 217 C T 45 SEQCRD A L LEU LEU 220 218 H T 45 SEQCRD A R ARG ARG 221 219 H H 4 SEQCRD A G GLY GLY 222 220 H H 4 SEQCRD A A ALA ALA 223 221 H H 4 SEQCRD A K LYS LYS 224 222 H H 4 SEQCRD A T THR THR 225 223 H H 4 SEQCRD A A ALA ALA 226 224 H H 4 SEQCRD A A ALA ALA 227 225 H H 4 SEQCRD A H HIS HIS 228 226 H H 4 SEQCRD A T THR THR 229 227 H H 4 SEQCRD A I ILE ILE 230 228 H H 4 SEQCRD A Q GLN GLN 231 229 H C 45 SEQCRD A P PRO PRO 232 230 C T 45 SEQCRD A D ASP ASP 233 231 C T 45 SEQCRD A I ILE ILE 234 232 E E 4 SEQCRD A A ALA ALA 235 233 E E 4 SEQCRD A F PHE PHE 236 234 E E 4 SEQCRD A G GLY GLY 237 235 E E 4 SEQCRD A V VAL VAL 238 236 E E 4 SEQCRD A D ASP ASP 239 237 E E 4 SEQCRD A V VAL VAL 240 238 E E 4 SEQCRD A G GLY GLY 241 239 E E 4 SEQCRD A I ILE ILE 242 240 E E 4 SEQCRD A A ALA ALA 243 241 C C 4 SEQCRD A G GLY GLY 244 242 C C 4 SEQCRD A D ASP ASP 245 243 C C 4 SEQCRD A T THR THR 246 244 C T 45 SEQCRD A P PRO PRO 247 245 C T 45 SEQCRD A G GLY GLY 248 246 C T 45 SEQCRD A I ILE ILE 249 247 C T 45 SEQCRD A S SER SER 250 248 C T 45 SEQCRD A E GLU GLU 251 249 C T 45 SEQCRD A K LYS LYS 252 250 C T 45 SEQCRD A E GLU GLU 253 251 C T 45 SEQCRD A A ALA ALA 254 252 C T 45 SEQCRD A Q GLN GLN 255 253 C T 45 SEQCRD A S SER SER 256 254 C C 4 SEQCRD A K LYS LYS 257 255 C T 45 SEQCRD A M MSE MSE 258 256 C T 45 SEQCRD A G GLY GLY 259 257 C T 45 SEQCRD A K LYS LYS 260 258 C T 45 SEQCRD A G GLY GLY 261 259 C C 4 SEQCRD A P PRO PRO 262 260 C C 4 SEQCRD A Q GLN GLN 263 261 E E 4 SEQCRD A I ILE ILE 264 262 E E 4 SEQCRD A I ILE ILE 265 263 E E 4 SEQCRD A V VAL VAL 266 264 E E 4 SEQCRD A Y TYR TYR 267 265 E E 4 SEQCRD A D ASP ASP 268 266 E E 4 SEQCRD A A ALA ALA 269 267 C T 45 SEQCRD A S SER SER 270 268 C T 45 SEQCRD A M MSE MSE 271 269 E E 4 SEQCRD A V VAL VAL 272 270 E E 4 SEQCRD A S SER SER 273 271 C C 4 SEQCRD A H HIS HIS 274 272 H C 45 SEQCRD A K LYS LYS 275 273 H H 4 SEQCRD A G GLY GLY 276 274 H H 4 SEQCRD A L LEU LEU 277 275 H H 4 SEQCRD A R ARG ARG 278 276 H H 4 SEQCRD A D ASP ASP 279 277 H H 4 SEQCRD A A ALA ALA 280 278 H H 4 SEQCRD A V VAL VAL 281 279 H H 4 SEQCRD A V VAL VAL 282 280 H H 4 SEQCRD A A ALA ALA 283 281 H H 4 SEQCRD A T THR THR 284 282 H H 4 SEQCRD A A ALA ALA 285 283 H H 4 SEQCRD A E GLU GLU 286 284 H H 4 SEQCRD A E GLU GLU 287 285 H H 4 SEQCRD A A ALA ALA 288 286 H H 4 SEQCRD A G GLY GLY 289 287 H C 45 SEQCRD A I ILE ILE 290 288 C C 4 SEQCRD A P PRO PRO 291 289 C C 4 SEQCRD A Y TYR TYR 292 290 C C 4 SEQCRD A Q GLN GLN 293 291 E E 4 SEQCRD A F PHE PHE 294 292 E E 4 SEQCRD A D ASP ASP 295 293 E E 4 SEQCRD A A ALA ALA 296 294 E E 4 SEQCRD A I ILE ILE 297 295 E E 4 SEQCRD A A ALA ALA 298 296 C T 45 SEQCRD A G GLY GLY 299 297 C T 45 SEQCRD A G GLY GLY 300 298 C T 45 SEQCRD A G GLY GLY 301 299 C C 4 SEQCRD A T THR THR 302 300 C C 4 SEQCRD A D ASP ASP 303 301 H H 4 SEQCRD A S SER SER 304 302 H H 4 SEQCRD A G GLY GLY 305 303 H H 4 SEQCRD A A ALA ALA 306 304 H H 4 SEQCRD A I ILE ILE 307 305 H H 4 SEQCRD A H HIS HIS 308 306 H H 4 SEQCRD A L LEU LEU 309 307 C C 4 SEQCRD A T THR THR 310 308 C T 45 SEQCRD A A ALA ALA 311 309 C T 45 SEQCRD A N ASN ASN 312 310 C T 45 SEQCRD A G GLY GLY 313 311 C T 45 SEQCRD A V VAL VAL 314 312 C C 4 SEQCRD A P PRO PRO 315 313 C C 4 SEQCRD A A ALA ALA 316 314 E E 4 SEQCRD A L LEU LEU 317 315 E E 4 SEQCRD A S SER SER 318 316 E E 4 SEQCRD A I ILE ILE 319 317 E E 4 SEQCRD A T THR THR 320 318 E E 4 SEQCRD A I ILE ILE 321 319 E E 4 SEQCRD A A ALA ALA 322 320 E E 4 SEQCRD A T THR THR 323 321 E E 4 SEQCRD A R ARG ARG 324 322 C E 45 SEQCRD A Y TYR TYR 325 323 C T 45 SEQCRD A I ILE ILE 326 324 C T 45 SEQCRD A H HIS HIS 327 325 C T 45 SEQCRD A T THR THR 328 326 C T 45 SEQCRD A H HIS HIS 329 327 C T 45 SEQCRD A A ALA ALA 330 328 C T 45 SEQCRD A A ALA ALA 331 329 E E 4 SEQCRD A M MSE MSE 332 330 E E 4 SEQCRD A L LEU LEU 333 331 E E 4 SEQCRD A H HIS HIS 334 332 E E 4 SEQCRD A R ARG ARG 335 333 H H 4 SEQCRD A D ASP ASP 336 334 H H 4 SEQCRD A D ASP ASP 337 335 H H 4 SEQCRD A Y TYR TYR 338 336 H H 4 SEQCRD A E GLU GLU 339 337 H H 4 SEQCRD A N ASN ASN 340 338 H H 4 SEQCRD A A ALA ALA 341 339 H H 4 SEQCRD A V VAL VAL 342 340 H H 4 SEQCRD A K LYS LYS 343 341 H H 4 SEQCRD A L LEU LEU 344 342 H H 4 SEQCRD A I ILE ILE 345 343 H H 4 SEQCRD A T THR THR 346 344 H H 4 SEQCRD A E GLU GLU 347 345 H H 4 SEQCRD A V VAL VAL 348 346 H H 4 SEQCRD A I ILE ILE 349 347 H H 4 SEQCRD A K LYS LYS 350 348 H H 4 SEQCRD A K LYS LYS 351 349 H H 4 SEQCRD A L LEU LEU 352 350 H T 45 SEQCRD A D ASP ASP 353 351 H T 45 SEQCRD A R ARG ARG 354 352 H H 4 SEQCRD A K LYS LYS 355 353 H H 4 SEQCRD A T THR THR 356 354 H H 4 SEQCRD A V VAL VAL 357 355 H H 4 SEQCRD A D ASP ASP 358 356 H H 4 SEQCRD A E GLU GLU 359 357 H H 4 SEQCRD A I ILE ILE 360 358 H H 4 SEQCRD A T THR THR 361 359 H H 4 SEQCRD A Y TYR TYR 362 360 H T 45 SEQCRD A Q GLN GLN 363 361 C T 45 SEQCRD A E GLU GLU 364 362 C T 45 SEQCRD A G GLY GLY 365 363 C T 45 SEQCRD A G GLY GLY 366 364 C C 4 SEQCRD A S SER SER 367 365 C C 4 SEQCRD A H HIS HIS 368 366 C C 4 SEQCRD A H HIS HIS 369 367 C C 4 SEQCRD A H HIS --- 370 - - - 367 SEQCRD A H HIS --- 371 - - - 367 SEQCRD A H HIS --- 372 - - - 367 SEQCRD A H HIS --- 373 - - - 367 COMMNT S2CERR 1 0 No standard amino acid code S2CERR 2 0 SEQRES and ATOM residue names differ S2CERR 3 8 No ATOM record S2CERR 4 365 SEQRES and ATOM residue numbers differ S2CERR 5 112 PDB and STRIDE secondary structures differ S2CERR 6 8 PDB secondary structure is absent S2CERR 7 8 STRIDE secondary structure is absent COMMNT COMMNT Crystallographic technical parameters: PARAME method 'x-ray diffraction' PARAME resolution 1.90 PARAME R-factor - PARAME B-factor 10.954 COMMNT COMMNT Reference database information: DATABA source: DATABA GB: NP_390760 (16079934) COMMNT DATABA mutation: DATABA MSE A 332 --> MET 330 'modified residue' DATABA HIS A 371 --> ? ? 'cloning artifact' DATABA MSE A 162 --> MET 160 'modified residue' DATABA GLU A 364 --> ? ? 'cloning artifact' DATABA MSE A 1 --> ? ? 'cloning artifact' DATABA MSE A 66 --> MET 64 'modified residue' DATABA MSE A 12 --> MET 10 'modified residue' DATABA GLY A 366 --> ? ? 'cloning artifact' DATABA HIS A 368 --> ? ? 'cloning artifact' DATABA HIS A 372 --> ? ? 'cloning artifact' DATABA MSE A 100 --> MET 98 'modified residue' DATABA HIS A 370 --> ? ? 'cloning artifact' DATABA MSE A 172 --> MET 170 'modified residue' DATABA MSE A 33 --> MET 31 'modified residue' DATABA GLY A 365 --> ? ? 'cloning artifact' DATABA MSE A 77 --> MET 75 'modified residue' DATABA SER A 367 --> ? ? 'cloning artifact' DATABA MSE A 140 --> MET 138 'modified residue' DATABA MSE A 258 --> MET 256 'modified residue' DATABA HIS A 369 --> ? ? 'cloning artifact' DATABA SER A 2 --> ? ? 'cloning artifact' DATABA LEU A 3 --> ? ? 'cloning artifact' DATABA MSE A 271 --> MET 269 'modified residue' DATABA HIS A 373 --> ? ? 'cloning artifact'