HEADSC 4lok
COMMNT S2C correlation file created: Sat Oct 12 17:42:31 EDT 2013
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 S SER ---     1      - - - 367    
SEQCRD B V VAL ---     2      - - - 367    
SEQCRD B A ALA ALA     3    155 C H 45     
SEQCRD B H HIS HIS     4    156 H H 4      
SEQCRD B G GLY GLY     5    157 H H 4      
SEQCRD B L LEU LEU     6    158 H H 4      
SEQCRD B A ALA ALA     7    159 H H 4      
SEQCRD B W TRP TRP     8    160 H H 4      
SEQCRD B S SER SER     9    161 H H 4      
SEQCRD B Y TYR TYR    10    162 H H 4      
SEQCRD B Y TYR TYR    11    163 H H 4      
SEQCRD B I ILE ILE    12    164 H H 4      
SEQCRD B G GLY GLY    13    165 H H 4      
SEQCRD B Y TYR TYR    14    166 H C 45     
SEQCRD B L LEU LEU    15    167 H H 4      
SEQCRD B R ARG ARG    16    168 H H 4      
SEQCRD B L LEU LEU    17    169 H H 4      
SEQCRD B I ILE ILE    18    170 H H 4      
SEQCRD B L LEU LEU    19    171 H H 4      
SEQCRD B P PRO PRO    20    172 C C 4      
SEQCRD B G GLY GLY    21    173 H H 4      
SEQCRD B L LEU LEU    22    174 H H 4      
SEQCRD B Q GLN GLN    23    175 H H 4      
SEQCRD B A ALA ALA    24    176 H H 4      
SEQCRD B R ARG ARG    25    177 H H 4      
SEQCRD B I ILE ILE    26    178 H H 4      
SEQCRD B R ARG ARG    27    179 H H 4      
SEQCRD B M MET MET    28    180 H H 4      
SEQCRD B F PHE PHE    29    181 H H 4      
SEQCRD B N ASN ASN    30    182 H H 4      
SEQCRD B Q GLN GLN    31    183 H H 4      
SEQCRD B L LEU LEU    32    184 H H 4      
SEQCRD B H HIS HIS    33    185 H H 4      
SEQCRD B N ASN ASN    34    186 C T 45     
SEQCRD B N ASN ASN    35    187 C T 45     
SEQCRD B M MET MET    36    188 C T 45     
SEQCRD B L LEU LEU    37    189 C T 45     
SEQCRD B S SER SER    38    190 C T 45     
SEQCRD B G GLY GLY    39    191 H C 45     
SEQCRD B A ALA ALA    40    192 H G 45     
SEQCRD B G GLY GLY    41    193 H G 45     
SEQCRD B S SER SER    42    194 H G 45     
SEQCRD B R ARG ARG    43    195 H C 45     
SEQCRD B R ARG ARG    44    196 C C 4      
SEQCRD B L LEU LEU    45    197 E E 4      
SEQCRD B Y TYR TYR    46    198 E E 4      
SEQCRD B I ILE ILE    47    199 E E 4      
SEQCRD B L LEU LEU    48    200 E E 4      
SEQCRD B F PHE PHE    49    201 E E 4      
SEQCRD B P PRO PRO    50    202 E E 4      
SEQCRD B L LEU LEU    51    203 C T 45     
SEQCRD B D ASP ASP    52    204 C T 45     
SEQCRD B C CYS CYS    53    205 C T 45     
SEQCRD B G GLY GLY    54    206 C C 4      
SEQCRD B V VAL VAL    55    207 C C 4      
SEQCRD B P PRO PRO    56    208 C T 45     
SEQCRD B D ASP ASP    57    209 C T 45     
SEQCRD B N ASN ASN    58    210 H T 45     
SEQCRD B L LEU LEU    59    211 H G 45     
SEQCRD B S SER SER    60    212 H G 45     
SEQCRD B V VAL VAL    61    213 H G 45     
SEQCRD B V VAL VAL    62    214 H T 45     
SEQCRD B D ASP ASP    63    215 H T 45     
SEQCRD B P PRO PRO    64    216 C T 45     
SEQCRD B N ASN ASN    65    217 C T 45     
SEQCRD B I ILE ILE    66    218 E E 4      
SEQCRD B R ARG ARG    67    219 E E 4      
SEQCRD B F PHE PHE    68    220 E E 4      
SEQCRD B R ARG ARG    69    221 E E 4      
SEQCRD B D ASP ASP    70    222 E E 4      
SEQCRD B M MET MET    71    223 E E 4      
SEQCRD B L LEU LEU    72    224 C E 45     
SEQCRD B P PRO PRO    73    225 C E 45     
SEQCRD B Q GLN GLN    74    226 C E 45     
SEQCRD B Q GLN GLN    75    227 E E 4      
SEQCRD B N ASN ASN    76    228 E E 4      
SEQCRD B I ILE ILE    77    229 E E 4      
SEQCRD B D ASP ASP    78    230 E E 4      
SEQCRD B R ARG ARG    79    231 E E 4      
SEQCRD B A ALA ALA    80    232 C T 45     
SEQCRD B G GLY GLY    81    233 C T 45     
SEQCRD B I ILE ILE    82    234 E E 4      
SEQCRD B K LYS LYS    83    235 E E 4      
SEQCRD B N ASN ASN    84    236 E E 4      
SEQCRD B R ARG ARG    85    237 E E 4      
SEQCRD B V VAL VAL    86    238 E E 4      
SEQCRD B Y TYR TYR    87    239 E E 4      
SEQCRD B S SER SER    88    240 C E 45     
SEQCRD B N ASN ASN    89    241 C E 45     
SEQCRD B S SER SER    90    242 E E 4      
SEQCRD B V VAL VAL    91    243 E E 4      
SEQCRD B Y TYR TYR    92    244 E E 4      
SEQCRD B E GLU GLU    93    245 E E 4      
SEQCRD B I ILE ILE    94    246 E E 4      
SEQCRD B L LEU LEU    95    247 E E 4      
SEQCRD B E GLU GLU    96    248 E E 4      
SEQCRD B N ASN ASN    97    249 C T 45     
SEQCRD B G GLY GLY    98    250 C T 45     
SEQCRD B Q GLN GLN    99    251 E E 4      
SEQCRD B P PRO PRO   100    252 E E 4      
SEQCRD B A ALA ALA   101    253 E E 4      
SEQCRD B G GLY GLY   102    254 E E 4      
SEQCRD B V VAL VAL   103    255 E E 4      
SEQCRD B C CYS CYS   104    256 E E 4      
SEQCRD B I ILE ILE   105    257 E E 4      
SEQCRD B L LEU LEU   106    258 E E 4      
SEQCRD B E GLU GLU   107    259 E E 4      
SEQCRD B Y TYR TYR   108    260 E E 4      
SEQCRD B A ALA ALA   109    261 C C 4      
SEQCRD B T THR THR   110    262 H H 4      
SEQCRD B P PRO PRO   111    263 H H 4      
SEQCRD B L LEU LEU   112    264 H H 4      
SEQCRD B Q GLN GLN   113    265 H H 4      
SEQCRD B T THR THR   114    266 H H 4      
SEQCRD B L LEU LEU   115    267 H H 4      
SEQCRD B F PHE PHE   116    268 H H 4      
SEQCRD B A ALA ALA   117    269 H H 4      
SEQCRD B M MET MET   118    270 H H 4      
SEQCRD B S SER SER   119    271 H H 4      
SEQCRD B Q GLN GLN   120    272 C T 45     
SEQCRD B D ASP ASP   121    273 C T 45     
SEQCRD B A ALA ALA   122    274 C T 45     
SEQCRD B K LYS LYS   123    275 C T 45     
SEQCRD B A ALA ALA   124    276 C T 45     
SEQCRD B G GLY GLY   125    277 C T 45     
SEQCRD B F PHE PHE   126    278 C T 45     
SEQCRD B S SER SER   127    279 C C 4      
SEQCRD B R ARG ARG   128    280 C C 4      
SEQCRD B E GLU GLU   129    281 H H 4      
SEQCRD B D ASP ASP   130    282 H H 4      
SEQCRD B R ARG ARG   131    283 H H 4      
SEQCRD B L LEU LEU   132    284 H H 4      
SEQCRD B E GLU GLU   133    285 H H 4      
SEQCRD B Q GLN GLN   134    286 H H 4      
SEQCRD B A ALA ALA   135    287 H H 4      
SEQCRD B K LYS LYS   136    288 H H 4      
SEQCRD B L LEU LEU   137    289 H H 4      
SEQCRD B F PHE PHE   138    290 H H 4      
SEQCRD B C CYS CYS   139    291 H H 4      
SEQCRD B R ARG ARG   140    292 H H 4      
SEQCRD B T THR THR   141    293 H H 4      
SEQCRD B L LEU LEU   142    294 H H 4      
SEQCRD B E GLU GLU   143    295 H H 4      
SEQCRD B E GLU GLU   144    296 H H 4      
SEQCRD B I ILE ILE   145    297 H H 4      
SEQCRD B L LEU LEU   146    298 H H 4      
SEQCRD B E GLU GLU   147    299 H T 45     
SEQCRD B D ASP ASP   148    300 C T 45     
SEQCRD B V VAL VAL   149    301 C T 45     
SEQCRD B P PRO PRO   150    302 C T 45     
SEQCRD B E GLU GLU   151    303 C T 45     
SEQCRD B S SER SER   152    304 H T 45     
SEQCRD B R ARG ARG   153    305 H G 45     
SEQCRD B N ASN ASN   154    306 H G 45     
SEQCRD B N ASN ASN   155    307 C G 45     
SEQCRD B C CYS CYS   156    308 E E 4      
SEQCRD B R ARG ARG   157    309 E E 4      
SEQCRD B L LEU LEU   158    310 E E 4      
SEQCRD B I ILE ILE   159    311 E E 4      
SEQCRD B V VAL VAL   160    312 E E 4      
SEQCRD B Y TYR TYR   161    313 E E 4      
SEQCRD B Q GLN GLN   162    314 C C 4      
SEQCRD B E GLU GLU   163    315 C C 4      
SEQCRD B P PRO PRO   164    316 C T 45     
SEQCRD B T THR THR   165    317 C T 45     
SEQCRD B D ASP ASP   166    318 C T 45     
SEQCRD B G GLY GLY   167    319 C T 45     
SEQCRD B N ASN ASN   168    320 C C 4      
SEQCRD B S SER SER   169    321 C C 4      
SEQCRD B F PHE PHE   170    322 C C 4      
SEQCRD B S SER SER   171    323 H C 45     
SEQCRD B L LEU LEU   172    324 H H 4      
SEQCRD B S SER SER   173    325 H H 4      
SEQCRD B Q GLN GLN   174    326 H H 4      
SEQCRD B E GLU GLU   175    327 H H 4      
SEQCRD B V VAL VAL   176    328 H H 4      
SEQCRD B L LEU LEU   177    329 H H 4      
SEQCRD B R ARG ARG   178    330 H H 4      
SEQCRD B H HIS HIS   179    331 H H 4      
SEQCRD B I ILE ILE   180    332 H H 4      
SEQCRD B R ARG ARG   181    333 H H 4      
SEQCRD B Q GLN GLN   182    334 H C 45     
SEQCRD B E GLU ---   183      - - - 367    
SEQCRD B E GLU ---   184      - - - 367    
SEQCRD B K LYS ---   185      - - - 367    
SEQCRD B E GLU ---   186      - - - 367    
SEQCRD B E GLU ---   187      - - - 367    
SEQCRD B V VAL ---   188      - - - 367    
SEQCRD A S SER ---     1      - - - 367    
SEQCRD A V VAL VAL     2    154 H C 45     
SEQCRD A A ALA ALA     3    155 H H 4      
SEQCRD A H HIS HIS     4    156 H H 4      
SEQCRD A G GLY GLY     5    157 H H 4      
SEQCRD A L LEU LEU     6    158 H H 4      
SEQCRD A A ALA ALA     7    159 H H 4      
SEQCRD A W TRP TRP     8    160 H H 4      
SEQCRD A S SER SER     9    161 H H 4      
SEQCRD A Y TYR TYR    10    162 H H 4      
SEQCRD A Y TYR TYR    11    163 H H 4      
SEQCRD A I ILE ILE    12    164 H H 4      
SEQCRD A G GLY GLY    13    165 H H 4      
SEQCRD A Y TYR TYR    14    166 H C 45     
SEQCRD A L LEU LEU    15    167 H H 4      
SEQCRD A R ARG ARG    16    168 H H 4      
SEQCRD A L LEU LEU    17    169 H H 4      
SEQCRD A I ILE ILE    18    170 H H 4      
SEQCRD A L LEU LEU    19    171 H H 4      
SEQCRD A P PRO PRO    20    172 C C 4      
SEQCRD A G GLY GLY    21    173 H H 4      
SEQCRD A L LEU LEU    22    174 H H 4      
SEQCRD A Q GLN GLN    23    175 H H 4      
SEQCRD A A ALA ALA    24    176 H H 4      
SEQCRD A R ARG ARG    25    177 H H 4      
SEQCRD A I ILE ILE    26    178 H H 4      
SEQCRD A R ARG ARG    27    179 H H 4      
SEQCRD A M MET MET    28    180 H H 4      
SEQCRD A F PHE PHE    29    181 H H 4      
SEQCRD A N ASN ASN    30    182 H H 4      
SEQCRD A Q GLN GLN    31    183 H H 4      
SEQCRD A L LEU LEU    32    184 H H 4      
SEQCRD A H HIS HIS    33    185 H H 4      
SEQCRD A N ASN ASN    34    186 C T 45     
SEQCRD A N ASN ASN    35    187 C T 45     
SEQCRD A M MET MET    36    188 C T 45     
SEQCRD A L LEU LEU    37    189 C T 45     
SEQCRD A S SER SER    38    190 C T 45     
SEQCRD A G GLY GLY    39    191 C C 4      
SEQCRD A A ALA ALA    40    192 C G 45     
SEQCRD A G GLY GLY    41    193 C G 45     
SEQCRD A S SER SER    42    194 C G 45     
SEQCRD A R ARG ARG    43    195 C C 4      
SEQCRD A R ARG ARG    44    196 C C 4      
SEQCRD A L LEU LEU    45    197 E E 4      
SEQCRD A Y TYR TYR    46    198 E E 4      
SEQCRD A I ILE ILE    47    199 E E 4      
SEQCRD A L LEU LEU    48    200 E E 4      
SEQCRD A F PHE PHE    49    201 E E 4      
SEQCRD A P PRO PRO    50    202 E E 4      
SEQCRD A L LEU LEU    51    203 C T 45     
SEQCRD A D ASP ASP    52    204 C T 45     
SEQCRD A C CYS CYS    53    205 C T 45     
SEQCRD A G GLY GLY    54    206 C C 4      
SEQCRD A V VAL VAL    55    207 C C 4      
SEQCRD A P PRO PRO    56    208 C T 45     
SEQCRD A D ASP ASP    57    209 C T 45     
SEQCRD A N ASN ASN    58    210 H T 45     
SEQCRD A L LEU LEU    59    211 H G 45     
SEQCRD A S SER SER    60    212 H G 45     
SEQCRD A V VAL VAL    61    213 H G 45     
SEQCRD A V VAL VAL    62    214 H C 45     
SEQCRD A D ASP ASP    63    215 C T 45     
SEQCRD A P PRO PRO    64    216 C T 45     
SEQCRD A N ASN ASN    65    217 C T 45     
SEQCRD A I ILE ILE    66    218 E E 4      
SEQCRD A R ARG ARG    67    219 E E 4      
SEQCRD A F PHE PHE    68    220 E E 4      
SEQCRD A R ARG ARG    69    221 E E 4      
SEQCRD A D ASP ASP    70    222 E E 4      
SEQCRD A M MET MET    71    223 E E 4      
SEQCRD A L LEU LEU    72    224 C E 45     
SEQCRD A P PRO PRO    73    225 C E 45     
SEQCRD A Q GLN GLN    74    226 C E 45     
SEQCRD A Q GLN GLN    75    227 E E 4      
SEQCRD A N ASN ASN    76    228 E E 4      
SEQCRD A I ILE ILE    77    229 E E 4      
SEQCRD A D ASP ASP    78    230 E E 4      
SEQCRD A R ARG ARG    79    231 E E 4      
SEQCRD A A ALA ALA    80    232 C T 45     
SEQCRD A G GLY GLY    81    233 C T 45     
SEQCRD A I ILE ILE    82    234 E E 4      
SEQCRD A K LYS LYS    83    235 E E 4      
SEQCRD A N ASN ASN    84    236 E E 4      
SEQCRD A R ARG ARG    85    237 E E 4      
SEQCRD A V VAL VAL    86    238 E E 4      
SEQCRD A Y TYR TYR    87    239 E E 4      
SEQCRD A S SER SER    88    240 C E 45     
SEQCRD A N ASN ASN    89    241 C E 45     
SEQCRD A S SER SER    90    242 E E 4      
SEQCRD A V VAL VAL    91    243 E E 4      
SEQCRD A Y TYR TYR    92    244 E E 4      
SEQCRD A E GLU GLU    93    245 E E 4      
SEQCRD A I ILE ILE    94    246 E E 4      
SEQCRD A L LEU LEU    95    247 E E 4      
SEQCRD A E GLU GLU    96    248 E E 4      
SEQCRD A N ASN ASN    97    249 C T 45     
SEQCRD A G GLY GLY    98    250 C T 45     
SEQCRD A Q GLN GLN    99    251 E E 4      
SEQCRD A P PRO PRO   100    252 E E 4      
SEQCRD A A ALA ALA   101    253 E E 4      
SEQCRD A G GLY GLY   102    254 E E 4      
SEQCRD A V VAL VAL   103    255 E E 4      
SEQCRD A C CYS CYS   104    256 E E 4      
SEQCRD A I ILE ILE   105    257 E E 4      
SEQCRD A L LEU LEU   106    258 E E 4      
SEQCRD A E GLU GLU   107    259 E E 4      
SEQCRD A Y TYR TYR   108    260 E E 4      
SEQCRD A A ALA ALA   109    261 H C 45     
SEQCRD A T THR THR   110    262 H H 4      
SEQCRD A P PRO PRO   111    263 H H 4      
SEQCRD A L LEU LEU   112    264 H H 4      
SEQCRD A Q GLN GLN   113    265 H H 4      
SEQCRD A T THR THR   114    266 H H 4      
SEQCRD A L LEU LEU   115    267 H H 4      
SEQCRD A F PHE PHE   116    268 H H 4      
SEQCRD A A ALA ALA   117    269 H H 4      
SEQCRD A M MET MET   118    270 H H 4      
SEQCRD A S SER SER   119    271 H H 4      
SEQCRD A Q GLN GLN   120    272 H H 4      
SEQCRD A D ASP ASP   121    273 H T 45     
SEQCRD A A ALA ALA   122    274 C T 45     
SEQCRD A K LYS LYS   123    275 C T 45     
SEQCRD A A ALA ALA   124    276 C T 45     
SEQCRD A G GLY GLY   125    277 C T 45     
SEQCRD A F PHE PHE   126    278 C C 4      
SEQCRD A S SER SER   127    279 H C 45     
SEQCRD A R ARG ARG   128    280 H H 4      
SEQCRD A E GLU GLU   129    281 H H 4      
SEQCRD A D ASP ASP   130    282 H H 4      
SEQCRD A R ARG ARG   131    283 H H 4      
SEQCRD A L LEU LEU   132    284 H H 4      
SEQCRD A E GLU GLU   133    285 H H 4      
SEQCRD A Q GLN GLN   134    286 H H 4      
SEQCRD A A ALA ALA   135    287 H H 4      
SEQCRD A K LYS LYS   136    288 H H 4      
SEQCRD A L LEU LEU   137    289 H H 4      
SEQCRD A F PHE PHE   138    290 H H 4      
SEQCRD A C CYS CYS   139    291 H H 4      
SEQCRD A R ARG ARG   140    292 H H 4      
SEQCRD A T THR THR   141    293 H H 4      
SEQCRD A L LEU LEU   142    294 H H 4      
SEQCRD A E GLU GLU   143    295 H H 4      
SEQCRD A E GLU GLU   144    296 H H 4      
SEQCRD A I ILE ILE   145    297 H H 4      
SEQCRD A L LEU LEU   146    298 H H 4      
SEQCRD A E GLU GLU   147    299 H H 4      
SEQCRD A D ASP ASP   148    300 H T 45     
SEQCRD A V VAL VAL   149    301 H T 45     
SEQCRD A P PRO PRO   150    302 C T 45     
SEQCRD A E GLU GLU   151    303 H H 4      
SEQCRD A S SER SER   152    304 H H 4      
SEQCRD A R ARG ARG   153    305 H H 4      
SEQCRD A N ASN ASN   154    306 H H 4      
SEQCRD A N ASN ASN   155    307 H H 4      
SEQCRD A C CYS CYS   156    308 E E 4      
SEQCRD A R ARG ARG   157    309 E E 4      
SEQCRD A L LEU LEU   158    310 E E 4      
SEQCRD A I ILE ILE   159    311 E E 4      
SEQCRD A V VAL VAL   160    312 E E 4      
SEQCRD A Y TYR TYR   161    313 E E 4      
SEQCRD A Q GLN GLN   162    314 C C 4      
SEQCRD A E GLU GLU   163    315 C C 4      
SEQCRD A P PRO PRO   164    316 C T 45     
SEQCRD A T THR THR   165    317 C T 45     
SEQCRD A D ASP ASP   166    318 C T 45     
SEQCRD A G GLY GLY   167    319 C T 45     
SEQCRD A N ASN ASN   168    320 C C 4      
SEQCRD A S SER SER   169    321 C C 4      
SEQCRD A F PHE PHE   170    322 C C 4      
SEQCRD A S SER SER   171    323 H C 45     
SEQCRD A L LEU LEU   172    324 H H 4      
SEQCRD A S SER SER   173    325 H H 4      
SEQCRD A Q GLN GLN   174    326 H H 4      
SEQCRD A E GLU GLU   175    327 H H 4      
SEQCRD A V VAL VAL   176    328 H H 4      
SEQCRD A L LEU LEU   177    329 H H 4      
SEQCRD A R ARG ARG   178    330 H H 4      
SEQCRD A H HIS HIS   179    331 H H 4      
SEQCRD A I ILE ILE   180    332 H H 4      
SEQCRD A R ARG ARG   181    333 H H 4      
SEQCRD A Q GLN GLN   182    334 H C 45     
SEQCRD A E GLU ---   183      - - - 367    
SEQCRD A E GLU ---   184      - - - 367    
SEQCRD A K LYS ---   185      - - - 367    
SEQCRD A E GLU ---   186      - - - 367    
SEQCRD A E GLU ---   187      - - - 367    
SEQCRD A V VAL ---   188      - - - 367    
COMMNT
S2CERR 1      0 No standard amino acid code
S2CERR 2      0 SEQRES and ATOM residue names differ
S2CERR 3     15 No ATOM record
S2CERR 4    361 SEQRES and ATOM residue numbers differ
S2CERR 5    104 PDB and STRIDE secondary structures differ
S2CERR 6     15 PDB secondary structure is absent
S2CERR 7     15 STRIDE secondary structure is absent
COMMNT
COMMNT Crystallographic technical parameters:
PARAME    method     'X-RAY DIFFRACTION'
PARAME    resolution 2.07
PARAME    R-factor   0.180
PARAME    B-factor   42.52
COMMNT
COMMNT Reference database information:
DATABA    source:
DATABA        UNP: STING_MOUSE (Q3TBT3)
COMMNT
DATABA    mutation:
DATABA       SER A 1     -->  ? ?          'EXPRESSION TAG'    
DATABA       SER B 1     -->  ? ?          'EXPRESSION TAG'