HEADSC 3ax3 COMMNT S2C correlation file created: Sat Jul 9 07:02:15 EDT 2011 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 F G GLY GLY 1 12 C C 4 SEQCRD F X DCY DCY 2 13 H H 14 SEQCRD F R ARG ARG 3 14 H H 4 SEQCRD F L LEU LEU 4 15 H H 4 SEQCRD F C CYS CYS 5 16 H H 4 SEQCRD F R ARG ARG 6 17 H H 4 SEQCRD F L LEU LEU 7 18 H H 4 SEQCRD F L LEU LEU 8 19 H H 4 SEQCRD F S SER SER 9 20 H H 4 SEQCRD F Y TYR TYR 10 21 H H 4 SEQCRD F A ALA ALA 11 22 H C 45 SEQCRD F X NH2 --- 12 - - - 1367 SEQCRD E G GLY --- 1 - - - 367 SEQCRD E P PRO --- 2 - - - 367 SEQCRD E L LEU --- 3 - - - 367 SEQCRD E G GLY --- 4 - - - 367 SEQCRD E S SER --- 5 - - - 367 SEQCRD E D ASP ASP 6 59 H C 45 SEQCRD E L LEU LEU 7 60 H H 4 SEQCRD E K LYS LYS 8 61 H H 4 SEQCRD E D ASP ASP 9 62 H H 4 SEQCRD E A ALA ALA 10 63 H H 4 SEQCRD E E GLU GLU 11 64 H H 4 SEQCRD E A ALA ALA 12 65 H H 4 SEQCRD E V VAL VAL 13 66 H H 4 SEQCRD E Q GLN GLN 14 67 H H 4 SEQCRD E K LYS LYS 15 68 H H 4 SEQCRD E F PHE PHE 16 69 H H 4 SEQCRD E F PHE PHE 17 70 H H 4 SEQCRD E L LEU LEU 18 71 H H 4 SEQCRD E E GLU GLU 19 72 H H 4 SEQCRD E E GLU GLU 20 73 H H 4 SEQCRD E I ILE ILE 21 74 H H 4 SEQCRD E Q GLN GLN 22 75 H H 4 SEQCRD E L LEU LEU 23 76 H H 4 SEQCRD E G GLY GLY 24 77 H H 4 SEQCRD E E GLU GLU 25 78 H H 4 SEQCRD E E GLU GLU 26 79 H H 4 SEQCRD E L LEU LEU 27 80 H H 4 SEQCRD E L LEU LEU 28 81 H H 4 SEQCRD E A ALA ALA 29 82 H H 4 SEQCRD E Q GLN GLN 30 83 H H 4 SEQCRD E G GLY GLY 31 84 C C 4 SEQCRD E D ASP ASP 32 85 H C 45 SEQCRD E Y TYR TYR 33 86 H H 4 SEQCRD E E GLU GLU 34 87 H H 4 SEQCRD E K LYS LYS 35 88 H H 4 SEQCRD E G GLY GLY 36 89 H H 4 SEQCRD E V VAL VAL 37 90 H H 4 SEQCRD E D ASP ASP 38 91 H H 4 SEQCRD E H HIS HIS 39 92 H H 4 SEQCRD E L LEU LEU 40 93 H H 4 SEQCRD E T THR THR 41 94 H H 4 SEQCRD E N ASN ASN 42 95 H H 4 SEQCRD E A ALA ALA 43 96 H H 4 SEQCRD E I ILE ILE 44 97 H H 4 SEQCRD E A ALA ALA 45 98 H H 4 SEQCRD E V VAL VAL 46 99 H H 4 SEQCRD E S SER SER 47 100 H T 45 SEQCRD E G GLY GLY 48 101 C T 45 SEQCRD E Q GLN GLN 49 102 H T 45 SEQCRD E P PRO PRO 50 103 H H 4 SEQCRD E Q GLN GLN 51 104 H H 4 SEQCRD E Q GLN GLN 52 105 H H 4 SEQCRD E L LEU LEU 53 106 H H 4 SEQCRD E L LEU LEU 54 107 H H 4 SEQCRD E Q GLN GLN 55 108 H H 4 SEQCRD E V VAL VAL 56 109 H H 4 SEQCRD E L LEU LEU 57 110 H H 4 SEQCRD E Q GLN GLN 58 111 H H 4 SEQCRD E Q GLN GLN 59 112 H H 4 SEQCRD E T THR THR 60 113 H H 4 SEQCRD E L LEU LEU 61 114 H C 45 SEQCRD E P PRO PRO 62 115 H C 45 SEQCRD E P PRO PRO 63 116 H H 4 SEQCRD E P PRO PRO 64 117 H H 4 SEQCRD E V VAL VAL 65 118 H H 4 SEQCRD E F PHE PHE 66 119 H H 4 SEQCRD E Q GLN GLN 67 120 H H 4 SEQCRD E M MET MET 68 121 H H 4 SEQCRD E L LEU LEU 69 122 H H 4 SEQCRD E L LEU LEU 70 123 H H 4 SEQCRD E T THR THR 71 124 H H 4 SEQCRD E K LYS LYS 72 125 H H 4 SEQCRD E L LEU LEU 73 126 C C 4 SEQCRD C G GLY --- 1 - - - 367 SEQCRD C P PRO --- 2 - - - 367 SEQCRD C L LEU --- 3 - - - 367 SEQCRD C G GLY --- 4 - - - 367 SEQCRD C S SER --- 5 - - - 367 SEQCRD C D ASP --- 6 - - - 367 SEQCRD C L LEU --- 7 - - - 367 SEQCRD C K LYS LYS 8 61 H H 4 SEQCRD C D ASP ASP 9 62 H H 4 SEQCRD C A ALA ALA 10 63 H H 4 SEQCRD C E GLU GLU 11 64 H H 4 SEQCRD C A ALA ALA 12 65 H H 4 SEQCRD C V VAL VAL 13 66 H H 4 SEQCRD C Q GLN GLN 14 67 H H 4 SEQCRD C K LYS LYS 15 68 H H 4 SEQCRD C F PHE PHE 16 69 H H 4 SEQCRD C F PHE PHE 17 70 H H 4 SEQCRD C L LEU LEU 18 71 H H 4 SEQCRD C E GLU GLU 19 72 H H 4 SEQCRD C E GLU GLU 20 73 H H 4 SEQCRD C I ILE ILE 21 74 H H 4 SEQCRD C Q GLN GLN 22 75 H H 4 SEQCRD C L LEU LEU 23 76 H H 4 SEQCRD C G GLY GLY 24 77 H H 4 SEQCRD C E GLU GLU 25 78 H H 4 SEQCRD C E GLU GLU 26 79 H H 4 SEQCRD C L LEU LEU 27 80 H H 4 SEQCRD C L LEU LEU 28 81 H H 4 SEQCRD C A ALA ALA 29 82 H H 4 SEQCRD C Q GLN GLN 30 83 H H 4 SEQCRD C G GLY GLY 31 84 C C 4 SEQCRD C D ASP ASP 32 85 H C 45 SEQCRD C Y TYR TYR 33 86 H H 4 SEQCRD C E GLU GLU 34 87 H H 4 SEQCRD C K LYS LYS 35 88 H H 4 SEQCRD C G GLY GLY 36 89 H H 4 SEQCRD C V VAL VAL 37 90 H H 4 SEQCRD C D ASP ASP 38 91 H H 4 SEQCRD C H HIS HIS 39 92 H H 4 SEQCRD C L LEU LEU 40 93 H H 4 SEQCRD C T THR THR 41 94 H H 4 SEQCRD C N ASN ASN 42 95 H H 4 SEQCRD C A ALA ALA 43 96 H H 4 SEQCRD C I ILE ILE 44 97 H H 4 SEQCRD C A ALA ALA 45 98 H H 4 SEQCRD C V VAL VAL 46 99 H H 4 SEQCRD C S SER SER 47 100 C T 45 SEQCRD C G GLY GLY 48 101 C T 45 SEQCRD C Q GLN GLN 49 102 H T 45 SEQCRD C P PRO PRO 50 103 H H 4 SEQCRD C Q GLN GLN 51 104 H H 4 SEQCRD C Q GLN GLN 52 105 H H 4 SEQCRD C L LEU LEU 53 106 H H 4 SEQCRD C L LEU LEU 54 107 H H 4 SEQCRD C Q GLN GLN 55 108 H H 4 SEQCRD C V VAL VAL 56 109 H H 4 SEQCRD C L LEU LEU 57 110 H H 4 SEQCRD C Q GLN GLN 58 111 H H 4 SEQCRD C Q GLN GLN 59 112 H H 4 SEQCRD C T THR THR 60 113 H H 4 SEQCRD C L LEU LEU 61 114 H C 45 SEQCRD C P PRO PRO 62 115 H C 45 SEQCRD C P PRO PRO 63 116 H H 4 SEQCRD C P PRO PRO 64 117 H H 4 SEQCRD C V VAL VAL 65 118 H H 4 SEQCRD C F PHE PHE 66 119 H H 4 SEQCRD C Q GLN GLN 67 120 H H 4 SEQCRD C M MET MET 68 121 H H 4 SEQCRD C L LEU LEU 69 122 H H 4 SEQCRD C L LEU LEU 70 123 H H 4 SEQCRD C T THR THR 71 124 H H 4 SEQCRD C K LYS LYS 72 125 H H 4 SEQCRD C L LEU LEU 73 126 C C 4 SEQCRD A G GLY --- 1 - - - 367 SEQCRD A P PRO --- 2 - - - 367 SEQCRD A L LEU --- 3 - - - 367 SEQCRD A G GLY --- 4 - - - 367 SEQCRD A S SER --- 5 - - - 367 SEQCRD A D ASP --- 6 - - - 367 SEQCRD A L LEU --- 7 - - - 367 SEQCRD A K LYS LYS 8 61 H C 45 SEQCRD A D ASP ASP 9 62 H H 4 SEQCRD A A ALA ALA 10 63 H H 4 SEQCRD A E GLU GLU 11 64 H H 4 SEQCRD A A ALA ALA 12 65 H H 4 SEQCRD A V VAL VAL 13 66 H H 4 SEQCRD A Q GLN GLN 14 67 H H 4 SEQCRD A K LYS LYS 15 68 H H 4 SEQCRD A F PHE PHE 16 69 H H 4 SEQCRD A F PHE PHE 17 70 H H 4 SEQCRD A L LEU LEU 18 71 H H 4 SEQCRD A E GLU GLU 19 72 H H 4 SEQCRD A E GLU GLU 20 73 H H 4 SEQCRD A I ILE ILE 21 74 H H 4 SEQCRD A Q GLN GLN 22 75 H H 4 SEQCRD A L LEU LEU 23 76 H H 4 SEQCRD A G GLY GLY 24 77 H H 4 SEQCRD A E GLU GLU 25 78 H H 4 SEQCRD A E GLU GLU 26 79 H H 4 SEQCRD A L LEU LEU 27 80 H H 4 SEQCRD A L LEU LEU 28 81 H H 4 SEQCRD A A ALA ALA 29 82 H H 4 SEQCRD A Q GLN GLN 30 83 H H 4 SEQCRD A G GLY GLY 31 84 H C 45 SEQCRD A D ASP ASP 32 85 H C 45 SEQCRD A Y TYR TYR 33 86 H H 4 SEQCRD A E GLU GLU 34 87 H H 4 SEQCRD A K LYS LYS 35 88 H H 4 SEQCRD A G GLY GLY 36 89 H H 4 SEQCRD A V VAL VAL 37 90 H H 4 SEQCRD A D ASP ASP 38 91 H H 4 SEQCRD A H HIS HIS 39 92 H H 4 SEQCRD A L LEU LEU 40 93 H H 4 SEQCRD A T THR THR 41 94 H H 4 SEQCRD A N ASN ASN 42 95 H H 4 SEQCRD A A ALA ALA 43 96 H H 4 SEQCRD A I ILE ILE 44 97 H H 4 SEQCRD A A ALA ALA 45 98 H H 4 SEQCRD A V VAL VAL 46 99 H H 4 SEQCRD A S SER SER 47 100 C T 45 SEQCRD A G GLY GLY 48 101 C T 45 SEQCRD A Q GLN GLN 49 102 H T 45 SEQCRD A P PRO PRO 50 103 H H 4 SEQCRD A Q GLN GLN 51 104 H H 4 SEQCRD A Q GLN GLN 52 105 H H 4 SEQCRD A L LEU LEU 53 106 H H 4 SEQCRD A L LEU LEU 54 107 H H 4 SEQCRD A Q GLN GLN 55 108 H H 4 SEQCRD A V VAL VAL 56 109 H H 4 SEQCRD A L LEU LEU 57 110 H H 4 SEQCRD A Q GLN GLN 58 111 H H 4 SEQCRD A Q GLN GLN 59 112 H H 4 SEQCRD A T THR THR 60 113 H C 45 SEQCRD A L LEU LEU 61 114 H C 45 SEQCRD A P PRO PRO 62 115 H C 45 SEQCRD A P PRO PRO 63 116 H H 4 SEQCRD A P PRO PRO 64 117 H H 4 SEQCRD A V VAL VAL 65 118 H H 4 SEQCRD A F PHE PHE 66 119 H H 4 SEQCRD A Q GLN GLN 67 120 H H 4 SEQCRD A M MET MET 68 121 H H 4 SEQCRD A L LEU LEU 69 122 H H 4 SEQCRD A L LEU LEU 70 123 H H 4 SEQCRD A T THR THR 71 124 H H 4 SEQCRD A K LYS LYS 72 125 H H 4 SEQCRD A L LEU LEU 73 126 H C 45 SEQCRD B G GLY GLY 1 12 C C 4 SEQCRD B X DCY DCY 2 13 H C 145 SEQCRD B R ARG ARG 3 14 H H 4 SEQCRD B L LEU LEU 4 15 H H 4 SEQCRD B C CYS CYS 5 16 H H 4 SEQCRD B R ARG ARG 6 17 H H 4 SEQCRD B L LEU LEU 7 18 H H 4 SEQCRD B L LEU LEU 8 19 H H 4 SEQCRD B S SER SER 9 20 H H 4 SEQCRD B Y TYR TYR 10 21 H H 4 SEQCRD B A ALA ALA 11 22 H C 45 SEQCRD B X NH2 --- 12 - - - 1367 SEQCRD H G GLY GLY 1 12 C C 4 SEQCRD H X DCY DCY 2 13 H C 145 SEQCRD H R ARG ARG 3 14 H H 4 SEQCRD H L LEU LEU 4 15 H H 4 SEQCRD H C CYS CYS 5 16 H H 4 SEQCRD H R ARG ARG 6 17 H H 4 SEQCRD H L LEU LEU 7 18 H H 4 SEQCRD H L LEU LEU 8 19 H H 4 SEQCRD H S SER SER 9 20 H H 4 SEQCRD H Y TYR TYR 10 21 H H 4 SEQCRD H A ALA ALA 11 22 C C 4 SEQCRD H X NH2 --- 12 - - - 1367 SEQCRD D G GLY GLY 1 12 C C 4 SEQCRD D X DCY DCY 2 13 H C 145 SEQCRD D R ARG ARG 3 14 H H 4 SEQCRD D L LEU LEU 4 15 H H 4 SEQCRD D C CYS CYS 5 16 H H 4 SEQCRD D R ARG ARG 6 17 H H 4 SEQCRD D L LEU LEU 7 18 H H 4 SEQCRD D L LEU LEU 8 19 H H 4 SEQCRD D S SER SER 9 20 H H 4 SEQCRD D Y TYR TYR 10 21 H C 45 SEQCRD D A ALA ALA 11 22 C C 4 SEQCRD D X NH2 --- 12 - - - 1367 SEQCRD G G GLY --- 1 - - - 367 SEQCRD G P PRO --- 2 - - - 367 SEQCRD G L LEU --- 3 - - - 367 SEQCRD G G GLY --- 4 - - - 367 SEQCRD G S SER --- 5 - - - 367 SEQCRD G D ASP ASP 6 59 H C 45 SEQCRD G L LEU LEU 7 60 H H 4 SEQCRD G K LYS LYS 8 61 H H 4 SEQCRD G D ASP ASP 9 62 H H 4 SEQCRD G A ALA ALA 10 63 H H 4 SEQCRD G E GLU GLU 11 64 H H 4 SEQCRD G A ALA ALA 12 65 H H 4 SEQCRD G V VAL VAL 13 66 H H 4 SEQCRD G Q GLN GLN 14 67 H H 4 SEQCRD G K LYS LYS 15 68 H H 4 SEQCRD G F PHE PHE 16 69 H H 4 SEQCRD G F PHE PHE 17 70 H H 4 SEQCRD G L LEU LEU 18 71 H H 4 SEQCRD G E GLU GLU 19 72 H H 4 SEQCRD G E GLU GLU 20 73 H H 4 SEQCRD G I ILE ILE 21 74 H H 4 SEQCRD G Q GLN GLN 22 75 H H 4 SEQCRD G L LEU LEU 23 76 H H 4 SEQCRD G G GLY GLY 24 77 H H 4 SEQCRD G E GLU GLU 25 78 H H 4 SEQCRD G E GLU GLU 26 79 H H 4 SEQCRD G L LEU LEU 27 80 H H 4 SEQCRD G L LEU LEU 28 81 H H 4 SEQCRD G A ALA ALA 29 82 H H 4 SEQCRD G Q GLN GLN 30 83 H H 4 SEQCRD G G GLY GLY 31 84 C T 45 SEQCRD G D ASP ASP 32 85 H T 45 SEQCRD G Y TYR TYR 33 86 H H 4 SEQCRD G E GLU GLU 34 87 H H 4 SEQCRD G K LYS LYS 35 88 H H 4 SEQCRD G G GLY GLY 36 89 H H 4 SEQCRD G V VAL VAL 37 90 H H 4 SEQCRD G D ASP ASP 38 91 H H 4 SEQCRD G H HIS HIS 39 92 H H 4 SEQCRD G L LEU LEU 40 93 H H 4 SEQCRD G T THR THR 41 94 H H 4 SEQCRD G N ASN ASN 42 95 H H 4 SEQCRD G A ALA ALA 43 96 H H 4 SEQCRD G I ILE ILE 44 97 H H 4 SEQCRD G A ALA ALA 45 98 H H 4 SEQCRD G V VAL VAL 46 99 H H 4 SEQCRD G S SER SER 47 100 C T 45 SEQCRD G G GLY GLY 48 101 C T 45 SEQCRD G Q GLN GLN 49 102 H T 45 SEQCRD G P PRO PRO 50 103 H H 4 SEQCRD G Q GLN GLN 51 104 H H 4 SEQCRD G Q GLN GLN 52 105 H H 4 SEQCRD G L LEU LEU 53 106 H H 4 SEQCRD G L LEU LEU 54 107 H H 4 SEQCRD G Q GLN GLN 55 108 H H 4 SEQCRD G V VAL VAL 56 109 H H 4 SEQCRD G L LEU LEU 57 110 H H 4 SEQCRD G Q GLN GLN 58 111 H H 4 SEQCRD G Q GLN GLN 59 112 C T 45 SEQCRD G T THR THR 60 113 C T 45 SEQCRD G L LEU LEU 61 114 C T 45 SEQCRD G P PRO PRO 62 115 H C 45 SEQCRD G P PRO PRO 63 116 H H 4 SEQCRD G P PRO PRO 64 117 H H 4 SEQCRD G V VAL VAL 65 118 H H 4 SEQCRD G F PHE PHE 66 119 H H 4 SEQCRD G Q GLN GLN 67 120 H H 4 SEQCRD G M MET MET 68 121 H H 4 SEQCRD G L LEU LEU 69 122 H H 4 SEQCRD G L LEU LEU 70 123 H H 4 SEQCRD G T THR THR 71 124 H H 4 SEQCRD G K LYS LYS 72 125 H H 4 SEQCRD G L LEU LEU 73 126 C C 4 COMMNT S2CERR 1 8 No standard amino acid code S2CERR 2 0 SEQRES and ATOM residue names differ S2CERR 3 28 No ATOM record S2CERR 4 312 SEQRES and ATOM residue numbers differ S2CERR 5 39 PDB and STRIDE secondary structures differ S2CERR 6 28 PDB secondary structure is absent S2CERR 7 28 STRIDE secondary structure is absent COMMNT COMMNT Crystallographic technical parameters: PARAME method 'X-RAY DIFFRACTION' PARAME resolution 2.10 PARAME R-factor 0.24520 PARAME B-factor 40.163 COMMNT COMMNT Reference database information: DATABA source: DATABA UNP: TOM20_RAT (Q62760) DATABA UNP: ALDH2_RAT (P11884) COMMNT DATABA mutation: DATABA ALA H 11 --> ? ? 'EXPRESSION TAG' DATABA LEU C 3 --> ? ? 'EXPRESSION TAG' DATABA SER G 5 --> ? ? 'EXPRESSION TAG' DATABA GLY C 4 --> ? ? 'EXPRESSION TAG' DATABA SER E 5 --> ? ? 'EXPRESSION TAG' DATABA ALA D 11 --> ? ? 'EXPRESSION TAG' DATABA CYS B 5 --> SER 16 'ENGINEERED MUTATION' DATABA SER E 47 --> CYS 100 'ENGINEERED MUTATION' DATABA GLY A 4 --> ? ? 'EXPRESSION TAG' DATABA DCY F 2 --> PRO 13 'ENGINEERED MUTATION' DATABA TYR H 10 --> ? ? 'EXPRESSION TAG' DATABA GLY C 1 --> ? ? 'EXPRESSION TAG' DATABA TYR F 10 --> ? ? 'EXPRESSION TAG' DATABA DCY D 2 --> PRO 13 'ENGINEERED MUTATION' DATABA GLY G 1 --> ? ? 'EXPRESSION TAG' DATABA LEU G 3 --> ? ? 'EXPRESSION TAG' DATABA PRO G 2 --> ? ? 'EXPRESSION TAG' DATABA CYS F 5 --> SER 16 'ENGINEERED MUTATION' DATABA ALA B 11 --> ? ? 'EXPRESSION TAG' DATABA NH2 H 12 --> ? ? AMIDATION DATABA CYS H 5 --> SER 16 'ENGINEERED MUTATION' DATABA PRO A 2 --> ? ? 'EXPRESSION TAG' DATABA GLY A 1 --> ? ? 'EXPRESSION TAG' DATABA SER C 47 --> CYS 100 'ENGINEERED MUTATION' DATABA DCY B 2 --> PRO 13 'ENGINEERED MUTATION' DATABA PRO C 2 --> ? ? 'EXPRESSION TAG' DATABA GLY G 4 --> ? ? 'EXPRESSION TAG' DATABA SER G 47 --> CYS 100 'ENGINEERED MUTATION' DATABA ALA F 11 --> ? ? 'EXPRESSION TAG' DATABA TYR B 10 --> ? ? 'EXPRESSION TAG' DATABA DCY H 2 --> PRO 13 'ENGINEERED MUTATION' DATABA GLY E 1 --> ? ? 'EXPRESSION TAG' DATABA SER C 5 --> ? ? 'EXPRESSION TAG' DATABA LEU E 3 --> ? ? 'EXPRESSION TAG' DATABA PRO E 2 --> ? ? 'EXPRESSION TAG' DATABA CYS D 5 --> SER 16 'ENGINEERED MUTATION' DATABA TYR D 10 --> ? ? 'EXPRESSION TAG' DATABA LEU A 3 --> ? ? 'EXPRESSION TAG' DATABA NH2 B 12 --> ? ? AMIDATION DATABA SER A 5 --> ? ? 'EXPRESSION TAG' DATABA NH2 F 12 --> ? ? AMIDATION DATABA NH2 D 12 --> ? ? AMIDATION DATABA SER A 47 --> CYS 100 'ENGINEERED MUTATION' DATABA GLY E 4 --> ? ? 'EXPRESSION TAG'