HEADSC 3hof COMMNT S2C correlation file created: Wed May 19 10:27:36 EDT 2010 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 P PRO PRO 2 1 C C 4 SEQCRD B M MET MET 3 2 E E 4 SEQCRD B F PHE PHE 4 3 E E 4 SEQCRD B I ILE ILE 5 4 E E 4 SEQCRD B V VAL VAL 6 5 E E 4 SEQCRD B N ASN ASN 7 6 E E 4 SEQCRD B T THR THR 8 7 E E 4 SEQCRD B N ASN ASN 9 8 C C 4 SEQCRD B V VAL VAL 10 9 C C 4 SEQCRD B P PRO PRO 11 10 H C 45 SEQCRD B R ARG ARG 12 11 H G 45 SEQCRD B A ALA ALA 13 12 H G 45 SEQCRD B S SER SER 14 13 H G 45 SEQCRD B V VAL VAL 15 14 H C 45 SEQCRD B P PRO PRO 16 15 C T 45 SEQCRD B D ASP ASP 17 16 C T 45 SEQCRD B G GLY GLY 18 17 H T 45 SEQCRD B F PHE PHE 19 18 H H 4 SEQCRD B L LEU LEU 20 19 H H 4 SEQCRD B S SER SER 21 20 H H 4 SEQCRD B E GLU GLU 22 21 H H 4 SEQCRD B L LEU LEU 23 22 H H 4 SEQCRD B T THR THR 24 23 H H 4 SEQCRD B Q GLN GLN 25 24 H H 4 SEQCRD B Q GLN GLN 26 25 H H 4 SEQCRD B L LEU LEU 27 26 H H 4 SEQCRD B A ALA ALA 28 27 H H 4 SEQCRD B Q GLN GLN 29 28 H H 4 SEQCRD B A ALA ALA 30 29 H H 4 SEQCRD B T THR THR 31 30 H H 4 SEQCRD B G GLY GLY 32 31 H C 45 SEQCRD B K LYS LYS 33 32 C C 4 SEQCRD B P PRO PRO 34 33 H C 45 SEQCRD B P PRO PRO 35 34 H G 45 SEQCRD B Q GLN GLN 36 35 H G 45 SEQCRD B Y TYR TYR 37 36 H G 45 SEQCRD B I ILE ILE 38 37 C C 4 SEQCRD B A ALA ALA 39 38 E E 4 SEQCRD B V VAL VAL 40 39 E E 4 SEQCRD B H HIS HIS 41 40 E E 4 SEQCRD B V VAL VAL 42 41 E E 4 SEQCRD B V VAL VAL 43 42 E E 4 SEQCRD B P PRO PRO 44 43 C C 4 SEQCRD B D ASP ASP 45 44 C C 4 SEQCRD B Q GLN GLN 46 45 C C 4 SEQCRD B L LEU LEU 47 46 E E 4 SEQCRD B M MET MET 48 47 E E 4 SEQCRD B A ALA ALA 49 48 E E 4 SEQCRD B F PHE PHE 50 49 E B 45 SEQCRD B G GLY GLY 51 50 C T 45 SEQCRD B G GLY GLY 52 51 C T 45 SEQCRD B S SER SER 53 52 C B 45 SEQCRD B S SER SER 54 53 C C 4 SEQCRD B E GLU GLU 55 54 C C 4 SEQCRD B P PRO PRO 56 55 C C 4 SEQCRD B C CYS CYS 57 56 C C 4 SEQCRD B A ALA ALA 58 57 E E 4 SEQCRD B L LEU LEU 59 58 E E 4 SEQCRD B C CYS CYS 60 59 E E 4 SEQCRD B S SER SER 61 60 E E 4 SEQCRD B L LEU LEU 62 61 E E 4 SEQCRD B H HIS HIS 63 62 E E 4 SEQCRD B S SER SER 64 63 E E 4 SEQCRD B I ILE ILE 65 64 C E 45 SEQCRD B G GLY GLY 66 65 C T 45 SEQCRD B K LYS LYS 67 66 C T 45 SEQCRD B I ILE ILE 68 67 C C 4 SEQCRD B G GLY GLY 69 68 H C 45 SEQCRD B G GLY GLY 70 69 H H 4 SEQCRD B A ALA ALA 71 70 H H 4 SEQCRD B Q GLN GLN 72 71 H H 4 SEQCRD B N ASN ASN 73 72 H H 4 SEQCRD B R ARG ARG 74 73 H H 4 SEQCRD B S SER SER 75 74 H H 4 SEQCRD B Y TYR TYR 76 75 H H 4 SEQCRD B S SER SER 77 76 H H 4 SEQCRD B K LYS LYS 78 77 H H 4 SEQCRD B L LEU LEU 79 78 H H 4 SEQCRD B L LEU LEU 80 79 H H 4 SEQCRD B C CYS CYS 81 80 H H 4 SEQCRD B G GLY GLY 82 81 H H 4 SEQCRD B L LEU LEU 83 82 H H 4 SEQCRD B L LEU LEU 84 83 H H 4 SEQCRD B A ALA ALA 85 84 H H 4 SEQCRD B E GLU GLU 86 85 H H 4 SEQCRD B R ARG ARG 87 86 H H 4 SEQCRD B L LEU LEU 88 87 H H 4 SEQCRD B R ARG ARG 89 88 H C 45 SEQCRD B I ILE ILE 90 89 C C 4 SEQCRD B S SER SER 91 90 H C 45 SEQCRD B P PRO PRO 92 91 H G 45 SEQCRD B D ASP ASP 93 92 H G 45 SEQCRD B R ARG ARG 94 93 C G 45 SEQCRD B V VAL VAL 95 94 E E 4 SEQCRD B Y TYR TYR 96 95 E E 4 SEQCRD B I ILE ILE 97 96 E E 4 SEQCRD B N ASN ASN 98 97 E E 4 SEQCRD B Y TYR TYR 99 98 E E 4 SEQCRD B Y TYR TYR 100 99 E E 4 SEQCRD B D ASP ASP 101 100 E E 4 SEQCRD B M MET MET 102 101 C E 45 SEQCRD B N ASN ASN 103 102 H C 45 SEQCRD B A ALA ALA 104 103 H G 45 SEQCRD B A ALA ALA 105 104 H G 45 SEQCRD B N ASN ASN 106 105 C G 45 SEQCRD B V VAL VAL 107 106 E E 4 SEQCRD B G GLY GLY 108 107 E E 4 SEQCRD B W TRP TRP 109 108 E E 4 SEQCRD B N ASN ASN 110 109 C T 45 SEQCRD B N ASN ASN 111 110 C T 45 SEQCRD B S SER SER 112 111 E E 4 SEQCRD B T THR THR 113 112 E E 4 SEQCRD B F PHE PHE 114 113 C C 4 SEQCRD B A ALA ALA 115 114 C C 4 SEQCRD B L LEU --- 116 - - - 367 SEQCRD B E GLU --- 117 - - - 367 SEQCRD B H HIS --- 118 - - - 367 SEQCRD B H HIS --- 119 - - - 367 SEQCRD B H HIS --- 120 - - - 367 SEQCRD B H HIS --- 121 - - - 367 SEQCRD B H HIS --- 122 - - - 367 SEQCRD B H HIS --- 123 - - - 367 SEQCRD C M MET --- 1 - - - 367 SEQCRD C P PRO PRO 2 1 C C 4 SEQCRD C M MET MET 3 2 E E 4 SEQCRD C F PHE PHE 4 3 E E 4 SEQCRD C I ILE ILE 5 4 E E 4 SEQCRD C V VAL VAL 6 5 E E 4 SEQCRD C N ASN ASN 7 6 E E 4 SEQCRD C T THR THR 8 7 E E 4 SEQCRD C N ASN ASN 9 8 C C 4 SEQCRD C V VAL VAL 10 9 C C 4 SEQCRD C P PRO PRO 11 10 H C 45 SEQCRD C R ARG ARG 12 11 H G 45 SEQCRD C A ALA ALA 13 12 H G 45 SEQCRD C S SER SER 14 13 H G 45 SEQCRD C V VAL VAL 15 14 H C 45 SEQCRD C P PRO PRO 16 15 C C 4 SEQCRD C D ASP ASP 17 16 C C 4 SEQCRD C G GLY GLY 18 17 H H 4 SEQCRD C F PHE PHE 19 18 H H 4 SEQCRD C L LEU LEU 20 19 H H 4 SEQCRD C S SER SER 21 20 H H 4 SEQCRD C E GLU GLU 22 21 H H 4 SEQCRD C L LEU LEU 23 22 H H 4 SEQCRD C T THR THR 24 23 H H 4 SEQCRD C Q GLN GLN 25 24 H H 4 SEQCRD C Q GLN GLN 26 25 H H 4 SEQCRD C L LEU LEU 27 26 H H 4 SEQCRD C A ALA ALA 28 27 H H 4 SEQCRD C Q GLN GLN 29 28 H H 4 SEQCRD C A ALA ALA 30 29 H H 4 SEQCRD C T THR THR 31 30 H H 4 SEQCRD C G GLY GLY 32 31 H C 45 SEQCRD C K LYS LYS 33 32 C C 4 SEQCRD C P PRO PRO 34 33 H C 45 SEQCRD C P PRO PRO 35 34 H G 45 SEQCRD C Q GLN GLN 36 35 H G 45 SEQCRD C Y TYR TYR 37 36 H G 45 SEQCRD C I ILE ILE 38 37 C C 4 SEQCRD C A ALA ALA 39 38 E E 4 SEQCRD C V VAL VAL 40 39 E E 4 SEQCRD C H HIS HIS 41 40 E E 4 SEQCRD C V VAL VAL 42 41 E E 4 SEQCRD C V VAL VAL 43 42 E E 4 SEQCRD C P PRO PRO 44 43 C C 4 SEQCRD C D ASP ASP 45 44 C C 4 SEQCRD C Q GLN GLN 46 45 C C 4 SEQCRD C L LEU LEU 47 46 E E 4 SEQCRD C M MET MET 48 47 E E 4 SEQCRD C A ALA ALA 49 48 E E 4 SEQCRD C F PHE PHE 50 49 E B 45 SEQCRD C G GLY GLY 51 50 C T 45 SEQCRD C G GLY GLY 52 51 C T 45 SEQCRD C S SER SER 53 52 C B 45 SEQCRD C S SER SER 54 53 C C 4 SEQCRD C E GLU GLU 55 54 C C 4 SEQCRD C P PRO PRO 56 55 C C 4 SEQCRD C C CYS CYS 57 56 C C 4 SEQCRD C A ALA ALA 58 57 E E 4 SEQCRD C L LEU LEU 59 58 E E 4 SEQCRD C C CYS CYS 60 59 E E 4 SEQCRD C S SER SER 61 60 E E 4 SEQCRD C L LEU LEU 62 61 E E 4 SEQCRD C H HIS HIS 63 62 E E 4 SEQCRD C S SER SER 64 63 E E 4 SEQCRD C I ILE ILE 65 64 C E 45 SEQCRD C G GLY GLY 66 65 C T 45 SEQCRD C K LYS LYS 67 66 C T 45 SEQCRD C I ILE ILE 68 67 C C 4 SEQCRD C G GLY GLY 69 68 H C 45 SEQCRD C G GLY GLY 70 69 H H 4 SEQCRD C A ALA ALA 71 70 H H 4 SEQCRD C Q GLN GLN 72 71 H H 4 SEQCRD C N ASN ASN 73 72 H H 4 SEQCRD C R ARG ARG 74 73 H H 4 SEQCRD C S SER SER 75 74 H H 4 SEQCRD C Y TYR TYR 76 75 H H 4 SEQCRD C S SER SER 77 76 H H 4 SEQCRD C K LYS LYS 78 77 H H 4 SEQCRD C L LEU LEU 79 78 H H 4 SEQCRD C L LEU LEU 80 79 H H 4 SEQCRD C C CYS CYS 81 80 H H 4 SEQCRD C G GLY GLY 82 81 H H 4 SEQCRD C L LEU LEU 83 82 H H 4 SEQCRD C L LEU LEU 84 83 H H 4 SEQCRD C A ALA ALA 85 84 H H 4 SEQCRD C E GLU GLU 86 85 H H 4 SEQCRD C R ARG ARG 87 86 H H 4 SEQCRD C L LEU LEU 88 87 H H 4 SEQCRD C R ARG ARG 89 88 H C 45 SEQCRD C I ILE ILE 90 89 C C 4 SEQCRD C S SER SER 91 90 H C 45 SEQCRD C P PRO PRO 92 91 H G 45 SEQCRD C D ASP ASP 93 92 H G 45 SEQCRD C R ARG ARG 94 93 C G 45 SEQCRD C V VAL VAL 95 94 E E 4 SEQCRD C Y TYR TYR 96 95 E E 4 SEQCRD C I ILE ILE 97 96 E E 4 SEQCRD C N ASN ASN 98 97 E E 4 SEQCRD C Y TYR TYR 99 98 E E 4 SEQCRD C Y TYR TYR 100 99 E E 4 SEQCRD C D ASP ASP 101 100 E E 4 SEQCRD C M MET MET 102 101 C E 45 SEQCRD C N ASN ASN 103 102 H C 45 SEQCRD C A ALA ALA 104 103 H G 45 SEQCRD C A ALA ALA 105 104 H G 45 SEQCRD C N ASN ASN 106 105 C G 45 SEQCRD C V VAL VAL 107 106 E E 4 SEQCRD C G GLY GLY 108 107 E E 4 SEQCRD C W TRP TRP 109 108 E E 4 SEQCRD C N ASN ASN 110 109 C T 45 SEQCRD C N ASN ASN 111 110 C T 45 SEQCRD C S SER SER 112 111 E E 4 SEQCRD C T THR THR 113 112 E E 4 SEQCRD C F PHE PHE 114 113 C C 4 SEQCRD C A ALA ALA 115 114 C C 4 SEQCRD C L LEU LEU 116 115 C C 4 SEQCRD C E GLU GLU 117 116 C C 4 SEQCRD C H HIS HIS 118 117 C C 4 SEQCRD C H HIS --- 119 - - - 367 SEQCRD C H HIS --- 120 - - - 367 SEQCRD C H HIS --- 121 - - - 367 SEQCRD C H HIS --- 122 - - - 367 SEQCRD C H HIS --- 123 - - - 367 SEQCRD A M MET --- 1 - - - 367 SEQCRD A P PRO PRO 2 1 C C 4 SEQCRD A M MET MET 3 2 E E 4 SEQCRD A F PHE PHE 4 3 E E 4 SEQCRD A I ILE ILE 5 4 E E 4 SEQCRD A V VAL VAL 6 5 E E 4 SEQCRD A N ASN ASN 7 6 E E 4 SEQCRD A T THR THR 8 7 E E 4 SEQCRD A N ASN ASN 9 8 C C 4 SEQCRD A V VAL VAL 10 9 C C 4 SEQCRD A P PRO PRO 11 10 H C 45 SEQCRD A R ARG ARG 12 11 H G 45 SEQCRD A A ALA ALA 13 12 H G 45 SEQCRD A S SER SER 14 13 H G 45 SEQCRD A V VAL VAL 15 14 H C 45 SEQCRD A P PRO PRO 16 15 C T 45 SEQCRD A D ASP ASP 17 16 C T 45 SEQCRD A G GLY GLY 18 17 H T 45 SEQCRD A F PHE PHE 19 18 H H 4 SEQCRD A L LEU LEU 20 19 H H 4 SEQCRD A S SER SER 21 20 H H 4 SEQCRD A E GLU GLU 22 21 H H 4 SEQCRD A L LEU LEU 23 22 H H 4 SEQCRD A T THR THR 24 23 H H 4 SEQCRD A Q GLN GLN 25 24 H H 4 SEQCRD A Q GLN GLN 26 25 H H 4 SEQCRD A L LEU LEU 27 26 H H 4 SEQCRD A A ALA ALA 28 27 H H 4 SEQCRD A Q GLN GLN 29 28 H H 4 SEQCRD A A ALA ALA 30 29 H H 4 SEQCRD A T THR THR 31 30 H H 4 SEQCRD A G GLY GLY 32 31 H C 45 SEQCRD A K LYS LYS 33 32 C C 4 SEQCRD A P PRO PRO 34 33 H C 45 SEQCRD A P PRO PRO 35 34 H G 45 SEQCRD A Q GLN GLN 36 35 H G 45 SEQCRD A Y TYR TYR 37 36 H G 45 SEQCRD A I ILE ILE 38 37 C C 4 SEQCRD A A ALA ALA 39 38 E E 4 SEQCRD A V VAL VAL 40 39 E E 4 SEQCRD A H HIS HIS 41 40 E E 4 SEQCRD A V VAL VAL 42 41 E E 4 SEQCRD A V VAL VAL 43 42 E E 4 SEQCRD A P PRO PRO 44 43 C C 4 SEQCRD A D ASP ASP 45 44 C C 4 SEQCRD A Q GLN GLN 46 45 C C 4 SEQCRD A L LEU LEU 47 46 E E 4 SEQCRD A M MET MET 48 47 E E 4 SEQCRD A A ALA ALA 49 48 E E 4 SEQCRD A F PHE PHE 50 49 E E 4 SEQCRD A G GLY GLY 51 50 C T 45 SEQCRD A G GLY GLY 52 51 C T 45 SEQCRD A S SER SER 53 52 C B 45 SEQCRD A S SER SER 54 53 C C 4 SEQCRD A E GLU GLU 55 54 C C 4 SEQCRD A P PRO PRO 56 55 C C 4 SEQCRD A C CYS CYS 57 56 C C 4 SEQCRD A A ALA ALA 58 57 E E 4 SEQCRD A L LEU LEU 59 58 E E 4 SEQCRD A C CYS CYS 60 59 E E 4 SEQCRD A S SER SER 61 60 E E 4 SEQCRD A L LEU LEU 62 61 E E 4 SEQCRD A H HIS HIS 63 62 E E 4 SEQCRD A S SER SER 64 63 E E 4 SEQCRD A I ILE ILE 65 64 C E 45 SEQCRD A G GLY GLY 66 65 C T 45 SEQCRD A K LYS LYS 67 66 C T 45 SEQCRD A I ILE ILE 68 67 C C 4 SEQCRD A G GLY GLY 69 68 H C 45 SEQCRD A G GLY GLY 70 69 H H 4 SEQCRD A A ALA ALA 71 70 H H 4 SEQCRD A Q GLN GLN 72 71 H H 4 SEQCRD A N ASN ASN 73 72 H H 4 SEQCRD A R ARG ARG 74 73 H H 4 SEQCRD A S SER SER 75 74 H H 4 SEQCRD A Y TYR TYR 76 75 H H 4 SEQCRD A S SER SER 77 76 H H 4 SEQCRD A K LYS LYS 78 77 H H 4 SEQCRD A L LEU LEU 79 78 H H 4 SEQCRD A L LEU LEU 80 79 H H 4 SEQCRD A C CYS CYS 81 80 H H 4 SEQCRD A G GLY GLY 82 81 H H 4 SEQCRD A L LEU LEU 83 82 H H 4 SEQCRD A L LEU LEU 84 83 H H 4 SEQCRD A A ALA ALA 85 84 H H 4 SEQCRD A E GLU GLU 86 85 H H 4 SEQCRD A R ARG ARG 87 86 H H 4 SEQCRD A L LEU LEU 88 87 H H 4 SEQCRD A R ARG ARG 89 88 H C 45 SEQCRD A I ILE ILE 90 89 C C 4 SEQCRD A S SER SER 91 90 H C 45 SEQCRD A P PRO PRO 92 91 H G 45 SEQCRD A D ASP ASP 93 92 H G 45 SEQCRD A R ARG ARG 94 93 C G 45 SEQCRD A V VAL VAL 95 94 E E 4 SEQCRD A Y TYR TYR 96 95 E E 4 SEQCRD A I ILE ILE 97 96 E E 4 SEQCRD A N ASN ASN 98 97 E E 4 SEQCRD A Y TYR TYR 99 98 E E 4 SEQCRD A Y TYR TYR 100 99 E E 4 SEQCRD A D ASP ASP 101 100 E E 4 SEQCRD A M MET MET 102 101 C E 45 SEQCRD A N ASN ASN 103 102 H C 45 SEQCRD A A ALA ALA 104 103 H G 45 SEQCRD A A ALA ALA 105 104 H G 45 SEQCRD A N ASN ASN 106 105 C G 45 SEQCRD A V VAL VAL 107 106 E E 4 SEQCRD A G GLY GLY 108 107 E E 4 SEQCRD A W TRP TRP 109 108 E E 4 SEQCRD A N ASN ASN 110 109 C T 45 SEQCRD A N ASN ASN 111 110 C T 45 SEQCRD A S SER SER 112 111 E E 4 SEQCRD A T THR THR 113 112 E E 4 SEQCRD A F PHE PHE 114 113 C C 4 SEQCRD A A ALA ALA 115 114 C C 4 SEQCRD A L LEU LEU 116 115 C C 4 SEQCRD A E GLU GLU 117 116 C C 4 SEQCRD A H HIS HIS 118 117 C C 4 SEQCRD A H HIS HIS 119 118 C C 4 SEQCRD A H HIS --- 120 - - - 367 SEQCRD A H HIS --- 121 - - - 367 SEQCRD A H HIS --- 122 - - - 367 SEQCRD A H HIS --- 123 - - - 367 COMMNT S2CERR 1 0 No standard amino acid code S2CERR 2 0 SEQRES and ATOM residue names differ S2CERR 3 20 No ATOM record S2CERR 4 349 SEQRES and ATOM residue numbers differ S2CERR 5 95 PDB and STRIDE secondary structures differ S2CERR 6 20 PDB secondary structure is absent S2CERR 7 20 STRIDE secondary structure is absent COMMNT COMMNT Crystallographic technical parameters: PARAME method 'X-RAY DIFFRACTION' PARAME resolution 1.90 PARAME R-factor 0.17422 PARAME B-factor 16.023 COMMNT COMMNT Reference database information: DATABA source: DATABA UNP: MIF_HUMAN (P14174) COMMNT DATABA mutation: DATABA HIS A 121 --> ? ? 'EXPRESSION TAG' DATABA HIS A 120 --> ? ? 'EXPRESSION TAG' DATABA HIS C 121 --> ? ? 'EXPRESSION TAG' DATABA HIS B 120 --> ? ? 'EXPRESSION TAG' DATABA GLU B 117 --> ? ? 'EXPRESSION TAG' DATABA HIS A 118 --> ? ? 'EXPRESSION TAG' DATABA HIS B 121 --> ? ? 'EXPRESSION TAG' DATABA HIS A 122 --> ? ? 'EXPRESSION TAG' DATABA HIS B 122 --> ? ? 'EXPRESSION TAG' DATABA GLU A 117 --> ? ? 'EXPRESSION TAG' DATABA LEU B 116 --> ? ? 'EXPRESSION TAG' DATABA LEU A 116 --> ? ? 'EXPRESSION TAG' DATABA GLU C 117 --> ? ? 'EXPRESSION TAG' DATABA HIS C 123 --> ? ? 'EXPRESSION TAG' DATABA LEU C 116 --> ? ? 'EXPRESSION TAG' DATABA HIS B 123 --> ? ? 'EXPRESSION TAG' DATABA HIS C 119 --> ? ? 'EXPRESSION TAG' DATABA HIS A 119 --> ? ? 'EXPRESSION TAG' DATABA HIS B 119 --> ? ? 'EXPRESSION TAG' DATABA HIS C 122 --> ? ? 'EXPRESSION TAG' DATABA HIS C 118 --> ? ? 'EXPRESSION TAG' DATABA HIS B 118 --> ? ? 'EXPRESSION TAG' DATABA HIS C 120 --> ? ? 'EXPRESSION TAG' DATABA HIS A 123 --> ? ? 'EXPRESSION TAG'