HEADSC 2ela COMMNT S2C correlation file created: Sat Dec 15 04:16:38 EST 2007 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 B M MET --- 1 - - - 367 SEQCRD B G GLY --- 2 - - - 367 SEQCRD B S SER --- 3 - - - 367 SEQCRD B S SER --- 4 - - - 367 SEQCRD B H HIS --- 5 - - - 367 SEQCRD B H HIS --- 6 - - - 367 SEQCRD B H HIS --- 7 - - - 367 SEQCRD B H HIS --- 8 - - - 367 SEQCRD B H HIS --- 9 - - - 367 SEQCRD B H HIS --- 10 - - - 367 SEQCRD B S SER --- 11 - - - 367 SEQCRD B S SER --- 12 - - - 367 SEQCRD B G GLY --- 13 - - - 367 SEQCRD B L LEU --- 14 - - - 367 SEQCRD B V VAL --- 15 - - - 367 SEQCRD B P PRO --- 16 - - - 367 SEQCRD B R ARG --- 17 - - - 367 SEQCRD B G GLY --- 18 - - - 367 SEQCRD B S SER --- 19 - - - 367 SEQCRD B H HIS --- 20 - - - 367 SEQCRD B M MET --- 21 - - - 367 SEQCRD B T THR --- 22 - - - 367 SEQCRD B E GLU --- 23 - - - 367 SEQCRD B D ASP --- 24 - - - 367 SEQCRD B S SER --- 25 - - - 367 SEQCRD B I ILE --- 26 - - - 367 SEQCRD B L LEU --- 27 - - - 367 SEQCRD B H HIS HIS 28 499 C C 4 SEQCRD B Q GLN GLN 29 500 E E 4 SEQCRD B L LEU LEU 30 501 E E 4 SEQCRD B F PHE PHE 31 502 E E 4 SEQCRD B I ILE ILE 32 503 E E 4 SEQCRD B V VAL VAL 33 504 E E 4 SEQCRD B R ARG ARG 34 505 E E 4 SEQCRD B F PHE PHE 35 506 E E 4 SEQCRD B L LEU LEU 36 507 E E 4 SEQCRD B G GLY GLY 37 508 E E 4 SEQCRD B S SER SER 38 509 E E 4 SEQCRD B M MET MET 39 510 E E 4 SEQCRD B E GLU GLU 40 511 E E 4 SEQCRD B V VAL VAL 41 512 E E 4 SEQCRD B K LYS LYS 42 513 C C 4 SEQCRD B S SER SER 43 514 C C 4 SEQCRD B D ASP ASP 44 515 C C 4 SEQCRD B D ASP ASP 45 516 C C 4 SEQCRD B H HIS HIS 46 517 C C 4 SEQCRD B P PRO PRO 47 518 H H 4 SEQCRD B D ASP ASP 48 519 H H 4 SEQCRD B V VAL VAL 49 520 H H 4 SEQCRD B V VAL VAL 50 521 H H 4 SEQCRD B Y TYR TYR 51 522 H H 4 SEQCRD B E GLU GLU 52 523 H H 4 SEQCRD B T THR THR 53 524 H H 4 SEQCRD B M MET MET 54 525 H H 4 SEQCRD B R ARG ARG 55 526 H H 4 SEQCRD B Q GLN GLN 56 527 H H 4 SEQCRD B I ILE ILE 57 528 H H 4 SEQCRD B L LEU LEU 58 529 H H 4 SEQCRD B A ALA ALA 59 530 H H 4 SEQCRD B A ALA ALA 60 531 H H 4 SEQCRD B R ARG ARG 61 532 H H 4 SEQCRD B A ALA ALA 62 533 H H 4 SEQCRD B I ILE ILE 63 534 H H 4 SEQCRD B H HIS HIS 64 535 H H 4 SEQCRD B N ASN ASN 65 536 C C 4 SEQCRD B I ILE ILE 66 537 C C 4 SEQCRD B F PHE PHE 67 538 C C 4 SEQCRD B R ARG ARG 68 539 C C 4 SEQCRD B M MET MET 69 540 C C 4 SEQCRD B T THR THR 70 541 E E 4 SEQCRD B E GLU GLU 71 542 E E 4 SEQCRD B S SER SER 72 543 E E 4 SEQCRD B H HIS HIS 73 544 E E 4 SEQCRD B L LEU LEU 74 545 E E 4 SEQCRD B L LEU LEU 75 546 E E 4 SEQCRD B V VAL VAL 76 547 E E 4 SEQCRD B T THR THR 77 548 C E 45 SEQCRD B C CYS CYS 78 549 C T 45 SEQCRD B D ASP ASP 79 550 C T 45 SEQCRD B C CYS CYS 80 551 E E 4 SEQCRD B L LEU LEU 81 552 E E 4 SEQCRD B K LYS LYS 82 553 E E 4 SEQCRD B L LEU LEU 83 554 E E 4 SEQCRD B I ILE ILE 84 555 E E 4 SEQCRD B D ASP ASP 85 556 C E 45 SEQCRD B P PRO PRO 86 557 C T 45 SEQCRD B Q GLN GLN 87 558 C T 45 SEQCRD B T THR THR 88 559 C T 45 SEQCRD B Q GLN GLN 89 560 C T 45 SEQCRD B V VAL VAL 90 561 C E 45 SEQCRD B T THR THR 91 562 E E 4 SEQCRD B R ARG ARG 92 563 E E 4 SEQCRD B L LEU LEU 93 564 E E 4 SEQCRD B T THR THR 94 565 E E 4 SEQCRD B F PHE PHE 95 566 E E 4 SEQCRD B P PRO PRO 96 567 E E 4 SEQCRD B L LEU LEU 97 568 C G 45 SEQCRD B P PRO PRO 98 569 C G 45 SEQCRD B C CYS CYS 99 570 C G 45 SEQCRD B V VAL VAL 100 571 E E 4 SEQCRD B V VAL VAL 101 572 E E 4 SEQCRD B L LEU LEU 102 573 E E 4 SEQCRD B Y TYR TYR 103 574 E E 4 SEQCRD B A ALA ALA 104 575 E E 4 SEQCRD B T THR THR 105 576 E E 4 SEQCRD B H HIS HIS 106 577 E E 4 SEQCRD B Q GLN GLN 107 578 C T 45 SEQCRD B E GLU GLU 108 579 C T 45 SEQCRD B N ASN ASN 109 580 E E 4 SEQCRD B K LYS LYS 110 581 E E 4 SEQCRD B R ARG ARG 111 582 E E 4 SEQCRD B L LEU LEU 112 583 E E 4 SEQCRD B F PHE PHE 113 584 E E 4 SEQCRD B G GLY GLY 114 585 E E 4 SEQCRD B F PHE PHE 115 586 E E 4 SEQCRD B V VAL VAL 116 587 E E 4 SEQCRD B L LEU LEU 117 588 E E 4 SEQCRD B R ARG ARG 118 589 E E 4 SEQCRD B T THR THR 119 590 E E 4 SEQCRD B S SER SER 120 591 C T 45 SEQCRD B S SER SER 121 592 C T 45 SEQCRD B G GLY --- 122 - - - 367 SEQCRD B R ARG --- 123 - - - 367 SEQCRD B S SER --- 124 - - - 367 SEQCRD B E GLU --- 125 - - - 367 SEQCRD B S SER --- 126 - - - 367 SEQCRD B N ASN --- 127 - - - 367 SEQCRD B L LEU LEU 128 599 C T 45 SEQCRD B S SER SER 129 600 E E 4 SEQCRD B S SER SER 130 601 E E 4 SEQCRD B V VAL VAL 131 602 E E 4 SEQCRD B C CYS CYS 132 603 E E 4 SEQCRD B Y TYR TYR 133 604 E E 4 SEQCRD B I ILE ILE 134 605 E E 4 SEQCRD B F PHE PHE 135 606 E E 4 SEQCRD B E GLU GLU 136 607 E E 4 SEQCRD B S SER SER 137 608 E E 4 SEQCRD B N ASN ASN 138 609 C T 45 SEQCRD B N ASN ASN 139 610 C T 45 SEQCRD B E GLU GLU 140 611 H H 4 SEQCRD B G GLY GLY 141 612 H H 4 SEQCRD B E GLU GLU 142 613 H H 4 SEQCRD B K LYS LYS 143 614 H H 4 SEQCRD B I ILE ILE 144 615 H H 4 SEQCRD B C CYS CYS 145 616 H H 4 SEQCRD B D ASP ASP 146 617 H H 4 SEQCRD B S SER SER 147 618 H H 4 SEQCRD B V VAL VAL 148 619 H H 4 SEQCRD B G GLY GLY 149 620 H H 4 SEQCRD B L LEU LEU 150 621 H H 4 SEQCRD B A ALA ALA 151 622 H H 4 SEQCRD B K LYS LYS 152 623 H H 4 SEQCRD B Q GLN GLN 153 624 H H 4 SEQCRD B I ILE ILE 154 625 H H 4 SEQCRD B A ALA ALA 155 626 H H 4 SEQCRD B L LEU LEU 156 627 H H 4 SEQCRD B H HIS HIS 157 628 H H 4 SEQCRD B A ALA ALA 158 629 H H 4 SEQCRD B E GLU GLU 159 630 H H 4 SEQCRD B L LEU LEU 160 631 H H 4 SEQCRD B D ASP ASP 161 632 H H 4 SEQCRD B R ARG ARG 162 633 H H 4 SEQCRD B R ARG ARG 163 634 H H 4 SEQCRD B A ALA ALA 164 635 H H 4 SEQCRD B S SER SER 165 636 H H 4 SEQCRD B E GLU GLU 166 637 H H 4 SEQCRD B K LYS LYS 167 638 H H 4 SEQCRD B Q GLN GLN 168 639 H H 4 SEQCRD B K LYS LYS 169 640 H H 4 SEQCRD B E GLU GLU 170 641 H H 4 SEQCRD B I ILE ILE 171 642 H H 4 SEQCRD B E GLU GLU 172 643 H H 4 SEQCRD B R ARG ARG 173 644 H T 45 SEQCRD B V VAL VAL 174 645 C T 45 SEQCRD B K LYS --- 175 - - - 367 SEQCRD A M MET --- 1 - - - 367 SEQCRD A G GLY --- 2 - - - 367 SEQCRD A S SER --- 3 - - - 367 SEQCRD A S SER --- 4 - - - 367 SEQCRD A H HIS --- 5 - - - 367 SEQCRD A H HIS --- 6 - - - 367 SEQCRD A H HIS --- 7 - - - 367 SEQCRD A H HIS --- 8 - - - 367 SEQCRD A H HIS --- 9 - - - 367 SEQCRD A H HIS --- 10 - - - 367 SEQCRD A S SER --- 11 - - - 367 SEQCRD A S SER --- 12 - - - 367 SEQCRD A G GLY --- 13 - - - 367 SEQCRD A L LEU --- 14 - - - 367 SEQCRD A V VAL --- 15 - - - 367 SEQCRD A P PRO --- 16 - - - 367 SEQCRD A R ARG --- 17 - - - 367 SEQCRD A G GLY --- 18 - - - 367 SEQCRD A S SER --- 19 - - - 367 SEQCRD A H HIS --- 20 - - - 367 SEQCRD A M MET --- 21 - - - 367 SEQCRD A T THR --- 22 - - - 367 SEQCRD A E GLU --- 23 - - - 367 SEQCRD A D ASP --- 24 - - - 367 SEQCRD A S SER SER 25 496 C C 4 SEQCRD A I ILE ILE 26 497 C C 4 SEQCRD A L LEU LEU 27 498 C C 4 SEQCRD A H HIS HIS 28 499 C C 4 SEQCRD A Q GLN GLN 29 500 E E 4 SEQCRD A L LEU LEU 30 501 E E 4 SEQCRD A F PHE PHE 31 502 E E 4 SEQCRD A I ILE ILE 32 503 E E 4 SEQCRD A V VAL VAL 33 504 E E 4 SEQCRD A R ARG ARG 34 505 E E 4 SEQCRD A F PHE PHE 35 506 E E 4 SEQCRD A L LEU LEU 36 507 E E 4 SEQCRD A G GLY GLY 37 508 E E 4 SEQCRD A S SER SER 38 509 E E 4 SEQCRD A M MET MET 39 510 E E 4 SEQCRD A E GLU GLU 40 511 E E 4 SEQCRD A V VAL VAL 41 512 E E 4 SEQCRD A K LYS LYS 42 513 C T 45 SEQCRD A S SER SER 43 514 C T 45 SEQCRD A D ASP ASP 44 515 C T 45 SEQCRD A D ASP ASP 45 516 C C 4 SEQCRD A H HIS HIS 46 517 C C 4 SEQCRD A P PRO PRO 47 518 H H 4 SEQCRD A D ASP ASP 48 519 H H 4 SEQCRD A V VAL VAL 49 520 H H 4 SEQCRD A V VAL VAL 50 521 H H 4 SEQCRD A Y TYR TYR 51 522 H H 4 SEQCRD A E GLU GLU 52 523 H H 4 SEQCRD A T THR THR 53 524 H H 4 SEQCRD A M MET MET 54 525 H H 4 SEQCRD A R ARG ARG 55 526 H H 4 SEQCRD A Q GLN GLN 56 527 H H 4 SEQCRD A I ILE ILE 57 528 H H 4 SEQCRD A L LEU LEU 58 529 H H 4 SEQCRD A A ALA ALA 59 530 H H 4 SEQCRD A A ALA ALA 60 531 H H 4 SEQCRD A R ARG ARG 61 532 H H 4 SEQCRD A A ALA ALA 62 533 H H 4 SEQCRD A I ILE ILE 63 534 H H 4 SEQCRD A H HIS HIS 64 535 H H 4 SEQCRD A N ASN ASN 65 536 C C 4 SEQCRD A I ILE ILE 66 537 C C 4 SEQCRD A F PHE PHE 67 538 C C 4 SEQCRD A R ARG ARG 68 539 C C 4 SEQCRD A M MET MET 69 540 C C 4 SEQCRD A T THR THR 70 541 E E 4 SEQCRD A E GLU GLU 71 542 E E 4 SEQCRD A S SER SER 72 543 E E 4 SEQCRD A H HIS HIS 73 544 E E 4 SEQCRD A L LEU LEU 74 545 E E 4 SEQCRD A L LEU LEU 75 546 E E 4 SEQCRD A V VAL VAL 76 547 E E 4 SEQCRD A T THR THR 77 548 C E 45 SEQCRD A C CYS CYS 78 549 C T 45 SEQCRD A D ASP ASP 79 550 C T 45 SEQCRD A C CYS CYS 80 551 E E 4 SEQCRD A L LEU LEU 81 552 E E 4 SEQCRD A K LYS LYS 82 553 E E 4 SEQCRD A L LEU LEU 83 554 E E 4 SEQCRD A I ILE ILE 84 555 E E 4 SEQCRD A D ASP ASP 85 556 C E 45 SEQCRD A P PRO PRO 86 557 C T 45 SEQCRD A Q GLN GLN 87 558 C T 45 SEQCRD A T THR THR 88 559 C T 45 SEQCRD A Q GLN GLN 89 560 C T 45 SEQCRD A V VAL VAL 90 561 C E 45 SEQCRD A T THR THR 91 562 E E 4 SEQCRD A R ARG ARG 92 563 E E 4 SEQCRD A L LEU LEU 93 564 E E 4 SEQCRD A T THR THR 94 565 E E 4 SEQCRD A F PHE PHE 95 566 E E 4 SEQCRD A P PRO PRO 96 567 E E 4 SEQCRD A L LEU LEU 97 568 C G 45 SEQCRD A P PRO PRO 98 569 C G 45 SEQCRD A C CYS CYS 99 570 C G 45 SEQCRD A V VAL VAL 100 571 E E 4 SEQCRD A V VAL VAL 101 572 E E 4 SEQCRD A L LEU LEU 102 573 E E 4 SEQCRD A Y TYR TYR 103 574 E E 4 SEQCRD A A ALA ALA 104 575 E E 4 SEQCRD A T THR THR 105 576 E E 4 SEQCRD A H HIS HIS 106 577 E E 4 SEQCRD A Q GLN GLN 107 578 C T 45 SEQCRD A E GLU GLU 108 579 C T 45 SEQCRD A N ASN ASN 109 580 E E 4 SEQCRD A K LYS LYS 110 581 E E 4 SEQCRD A R ARG ARG 111 582 E E 4 SEQCRD A L LEU LEU 112 583 E E 4 SEQCRD A F PHE PHE 113 584 E E 4 SEQCRD A G GLY GLY 114 585 E E 4 SEQCRD A F PHE PHE 115 586 E E 4 SEQCRD A V VAL VAL 116 587 E E 4 SEQCRD A L LEU LEU 117 588 E E 4 SEQCRD A R ARG ARG 118 589 E E 4 SEQCRD A T THR THR 119 590 E E 4 SEQCRD A S SER SER 120 591 C T 45 SEQCRD A S SER --- 121 - - - 367 SEQCRD A G GLY --- 122 - - - 367 SEQCRD A R ARG --- 123 - - - 367 SEQCRD A S SER --- 124 - - - 367 SEQCRD A E GLU --- 125 - - - 367 SEQCRD A S SER --- 126 - - - 367 SEQCRD A N ASN --- 127 - - - 367 SEQCRD A L LEU LEU 128 599 C T 45 SEQCRD A S SER SER 129 600 E E 4 SEQCRD A S SER SER 130 601 E E 4 SEQCRD A V VAL VAL 131 602 E E 4 SEQCRD A C CYS CYS 132 603 E E 4 SEQCRD A Y TYR TYR 133 604 E E 4 SEQCRD A I ILE ILE 134 605 E E 4 SEQCRD A F PHE PHE 135 606 E E 4 SEQCRD A E GLU GLU 136 607 E E 4 SEQCRD A S SER SER 137 608 E E 4 SEQCRD A N ASN ASN 138 609 C T 45 SEQCRD A N ASN ASN 139 610 C T 45 SEQCRD A E GLU GLU 140 611 H H 4 SEQCRD A G GLY GLY 141 612 H H 4 SEQCRD A E GLU GLU 142 613 H H 4 SEQCRD A K LYS LYS 143 614 H H 4 SEQCRD A I ILE ILE 144 615 H H 4 SEQCRD A C CYS CYS 145 616 H H 4 SEQCRD A D ASP ASP 146 617 H H 4 SEQCRD A S SER SER 147 618 H H 4 SEQCRD A V VAL VAL 148 619 H H 4 SEQCRD A G GLY GLY 149 620 H H 4 SEQCRD A L LEU LEU 150 621 H H 4 SEQCRD A A ALA ALA 151 622 H H 4 SEQCRD A K LYS LYS 152 623 H H 4 SEQCRD A Q GLN GLN 153 624 H H 4 SEQCRD A I ILE ILE 154 625 H H 4 SEQCRD A A ALA ALA 155 626 H H 4 SEQCRD A L LEU LEU 156 627 H H 4 SEQCRD A H HIS HIS 157 628 H H 4 SEQCRD A A ALA ALA 158 629 H H 4 SEQCRD A E GLU GLU 159 630 H H 4 SEQCRD A L LEU LEU 160 631 H H 4 SEQCRD A D ASP ASP 161 632 H C 45 SEQCRD A R ARG ARG 162 633 C C 4 SEQCRD A R ARG --- 163 - - - 367 SEQCRD A A ALA --- 164 - - - 367 SEQCRD A S SER --- 165 - - - 367 SEQCRD A E GLU --- 166 - - - 367 SEQCRD A K LYS --- 167 - - - 367 SEQCRD A Q GLN --- 168 - - - 367 SEQCRD A K LYS --- 169 - - - 367 SEQCRD A E GLU --- 170 - - - 367 SEQCRD A I ILE --- 171 - - - 367 SEQCRD A E GLU --- 172 - - - 367 SEQCRD A R ARG --- 173 - - - 367 SEQCRD A V VAL --- 174 - - - 367 SEQCRD A K LYS --- 175 - - - 367 COMMNT S2CERR 1 0 No standard amino acid code S2CERR 2 0 SEQRES and ATOM residue names differ S2CERR 3 78 No ATOM record S2CERR 4 272 SEQRES and ATOM residue numbers differ S2CERR 5 43 PDB and STRIDE secondary structures differ S2CERR 6 78 PDB secondary structure is absent S2CERR 7 78 STRIDE secondary structure is absent COMMNT COMMNT Crystallographic technical parameters: PARAME method 'X-RAY DIFFRACTION' PARAME resolution 2.0 PARAME R-factor 0.222 PARAME B-factor 25.8 COMMNT COMMNT Reference database information: DATABA source: DATABA UNP: DP13A_HUMAN (Q9UKG1) COMMNT DATABA mutation: DATABA HIS A 20 --> ? ? 'CLONING ARTIFACT' DATABA HIS A 9 --> ? ? 'CLONING ARTIFACT' DATABA SER A 12 --> ? ? 'CLONING ARTIFACT' DATABA GLY B 13 --> ? ? 'CLONING ARTIFACT' DATABA SER A 11 --> ? ? 'CLONING ARTIFACT' DATABA PRO A 16 --> ? ? 'CLONING ARTIFACT' DATABA ARG B 17 --> ? ? 'CLONING ARTIFACT' DATABA HIS B 7 --> ? ? 'CLONING ARTIFACT' DATABA HIS B 5 --> ? ? 'CLONING ARTIFACT' DATABA HIS B 8 --> ? ? 'CLONING ARTIFACT' DATABA MET B 1 --> ? ? 'CLONING ARTIFACT' DATABA SER A 4 --> ? ? 'CLONING ARTIFACT' DATABA MET A 21 --> ? ? 'CLONING ARTIFACT' DATABA GLY B 18 --> ? ? 'CLONING ARTIFACT' DATABA HIS B 6 --> ? ? 'CLONING ARTIFACT' DATABA GLY A 13 --> ? ? 'CLONING ARTIFACT' DATABA HIS A 10 --> ? ? 'CLONING ARTIFACT' DATABA HIS A 7 --> ? ? 'CLONING ARTIFACT' DATABA SER B 19 --> ? ? 'CLONING ARTIFACT' DATABA HIS B 20 --> ? ? 'CLONING ARTIFACT' DATABA MET B 21 --> ? ? 'CLONING ARTIFACT' DATABA LEU B 14 --> ? ? 'CLONING ARTIFACT' DATABA GLY A 2 --> ? ? 'CLONING ARTIFACT' DATABA HIS A 8 --> ? ? 'CLONING ARTIFACT' DATABA SER B 12 --> ? ? 'CLONING ARTIFACT' DATABA GLY B 2 --> ? ? 'CLONING ARTIFACT' DATABA SER A 3 --> ? ? 'CLONING ARTIFACT' DATABA SER A 19 --> ? ? 'CLONING ARTIFACT' DATABA GLY A 18 --> ? ? 'CLONING ARTIFACT' DATABA ARG A 17 --> ? ? 'CLONING ARTIFACT' DATABA HIS A 5 --> ? ? 'CLONING ARTIFACT' DATABA SER B 4 --> ? ? 'CLONING ARTIFACT' DATABA HIS B 10 --> ? ? 'CLONING ARTIFACT' DATABA HIS A 6 --> ? ? 'CLONING ARTIFACT' DATABA VAL B 15 --> ? ? 'CLONING ARTIFACT' DATABA LEU A 14 --> ? ? 'CLONING ARTIFACT' DATABA VAL A 15 --> ? ? 'CLONING ARTIFACT' DATABA SER B 3 --> ? ? 'CLONING ARTIFACT' DATABA SER B 11 --> ? ? 'CLONING ARTIFACT' DATABA MET A 1 --> ? ? 'CLONING ARTIFACT' DATABA HIS B 9 --> ? ? 'CLONING ARTIFACT' DATABA PRO B 16 --> ? ? 'CLONING ARTIFACT'