HEADSC 4bvo
COMMNT S2C correlation file created: Wed Feb 26 03:40:22 EST 2014
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 MET ---     1      - - - 367    
SEQCRD A D ASP ---     2      - - - 367    
SEQCRD A H HIS ---     3      - - - 367    
SEQCRD A H HIS ---     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 N ASN ---     9      - - - 367    
SEQCRD A P PRO PRO    10     38 C T 45     
SEQCRD A C CYS CYS    11     39 C T 45     
SEQCRD A E GLU GLU    12     40 C T 45     
SEQCRD A K LYS LYS    13     41 C T 45     
SEQCRD A H HIS HIS    14     42 C T 45     
SEQCRD A S SER SER    15     43 E E 4      
SEQCRD A C CYS CYS    16     44 E E 4      
SEQCRD A I ILE ILE    17     45 E E 4      
SEQCRD A A ALA ALA    18     46 E E 4      
SEQCRD A V VAL VAL    19     47 E E 4      
SEQCRD A I ILE ILE    20     48 E E 4      
SEQCRD A D ASP ASP    21     49 E E 4      
SEQCRD A A ALA ALA    22     50 E E 4      
SEQCRD A G GLY GLY    23     51 C T 45     
SEQCRD A S SER SER    24     52 C T 45     
SEQCRD A T THR THR    25     53 C T 45     
SEQCRD A G GLY GLY    26     54 C T 45     
SEQCRD A S SER SER    27     55 E E 4      
SEQCRD A R ARG ARG    28     56 E E 4      
SEQCRD A L LEU LEU    29     57 E E 4      
SEQCRD A H HIS HIS    30     58 E E 4      
SEQCRD A I ILE ILE    31     59 E E 4      
SEQCRD A Y TYR TYR    32     60 E E 4      
SEQCRD A S SER SER    33     61 E E 4      
SEQCRD A Y TYR TYR    34     62 E E 4      
SEQCRD A D ASP ASP    35     63 E E 4      
SEQCRD A T THR THR    36     64 E E 4      
SEQCRD A D ASP ASP    37     65 C E 45     
SEQCRD A D ASP ASP    38     66 C T 45     
SEQCRD A T THR THR    39     67 C T 45     
SEQCRD A N ASN ASN    40     68 C T 45     
SEQCRD A T THR THR    41     69 C E 45     
SEQCRD A P PRO PRO    42     70 E E 4      
SEQCRD A I ILE ILE    43     71 E E 4      
SEQCRD A H HIS HIS    44     72 E E 4      
SEQCRD A I ILE ILE    45     73 E E 4      
SEQCRD A E GLU GLU    46     74 E E 4      
SEQCRD A E GLU GLU    47     75 E E 4      
SEQCRD A I ILE ILE    48     76 E E 4      
SEQCRD A W TRP TRP    49     77 E E 4      
SEQCRD A N ASN ASN    50     78 E E 4      
SEQCRD A K LYS LYS    51     79 E E 4      
SEQCRD A K LYS LYS    52     80 E E 4      
SEQCRD A I ILE ILE    53     81 E E 4      
SEQCRD A K LYS LYS    54     82 C C 4      
SEQCRD A P PRO PRO    55     83 C C 4      
SEQCRD A G GLY GLY    56     84 H C 45     
SEQCRD A F PHE PHE    57     85 H G 45     
SEQCRD A A ALA ALA    58     86 H G 45     
SEQCRD A S SER SER    59     87 H G 45     
SEQCRD A I ILE ILE    60     88 H C 45     
SEQCRD A Q GLN GLN    61     89 C T 45     
SEQCRD A P PRO PRO    62     90 C T 45     
SEQCRD A N ASN ASN    63     91 H T 45     
SEQCRD A S SER SER    64     92 H H 4      
SEQCRD A V VAL VAL    65     93 H H 4      
SEQCRD A T THR THR    66     94 H H 4      
SEQCRD A I ILE ILE    67     95 H H 4      
SEQCRD A D ASP ASP    68     96 H H 4      
SEQCRD A A ALA ALA    69     97 H H 4      
SEQCRD A Y TYR TYR    70     98 H H 4      
SEQCRD A L LEU LEU    71     99 H H 4      
SEQCRD A T THR THR    72    100 H H 4      
SEQCRD A M MET MET    73    101 H H 4      
SEQCRD A L LEU LEU    74    102 H H 4      
SEQCRD A L LEU LEU    75    103 H H 4      
SEQCRD A A ALA ALA    76    104 H H 4      
SEQCRD A D ASP ASP    77    105 C C 4      
SEQCRD A A ALA ALA    78    106 C C 4      
SEQCRD A P PRO PRO    79    107 C C 4      
SEQCRD A I ILE ILE    80    108 C C 4      
SEQCRD A H HIS HIS    81    109 C C 4      
SEQCRD A N ASN ASN    82    110 C C 4      
SEQCRD A I ILE ILE    83    111 E E 4      
SEQCRD A P PRO PRO    84    112 E E 4      
SEQCRD A V VAL VAL    85    113 E E 4      
SEQCRD A Y TYR TYR    86    114 E E 4      
SEQCRD A F PHE PHE    87    115 E E 4      
SEQCRD A Y TYR TYR    88    116 E E 4      
SEQCRD A A ALA ALA    89    117 E E 4      
SEQCRD A T THR THR    90    118 H C 45     
SEQCRD A A ALA ALA    91    119 H H 4      
SEQCRD A G GLY GLY    92    120 H H 4      
SEQCRD A M MET MET    93    121 H H 4      
SEQCRD A R ARG ARG    94    122 H H 4      
SEQCRD A L LEU LEU    95    123 H H 4      
SEQCRD A L LEU LEU    96    124 C C 4      
SEQCRD A P PRO PRO    97    125 H C 45     
SEQCRD A Q GLN GLN    98    126 H H 4      
SEQCRD A S SER SER    99    127 H H 4      
SEQCRD A Q GLN GLN   100    128 H H 4      
SEQCRD A Q GLN GLN   101    129 H H 4      
SEQCRD A K LYS LYS   102    130 H H 4      
SEQCRD A K LYS LYS   103    131 H H 4      
SEQCRD A Y TYR TYR   104    132 H H 4      
SEQCRD A Y TYR TYR   105    133 H H 4      
SEQCRD A D ASP ASP   106    134 H H 4      
SEQCRD A E GLU GLU   107    135 H H 4      
SEQCRD A L LEU LEU   108    136 H H 4      
SEQCRD A D ASP ASP   109    137 H H 4      
SEQCRD A Y TYR TYR   110    138 H H 4      
SEQCRD A W TRP TRP   111    139 H H 4      
SEQCRD A F PHE PHE   112    140 H H 4      
SEQCRD A R ARG ARG   113    141 H H 4      
SEQCRD A Q GLN GLN   114    142 H H 4      
SEQCRD A Q GLN GLN   115    143 C T 45     
SEQCRD A S SER SER   116    144 C T 45     
SEQCRD A Q GLN GLN   117    145 C T 45     
SEQCRD A W TRP TRP   118    146 E E 4      
SEQCRD A Q GLN GLN   119    147 E E 4      
SEQCRD A L LEU LEU   120    148 E E 4      
SEQCRD A V VAL VAL   121    149 E E 4      
SEQCRD A E GLU GLU   122    150 E E 4      
SEQCRD A A ALA ALA   123    151 E E 4      
SEQCRD A K LYS LYS   124    152 E E 4      
SEQCRD A T THR THR   125    153 E E 4      
SEQCRD A I ILE ILE   126    154 C C 4      
SEQCRD A T THR THR   127    155 H C 45     
SEQCRD A G GLY GLY   128    156 H H 4      
SEQCRD A N ASN ASN   129    157 H H 4      
SEQCRD A D ASP ASP   130    158 H H 4      
SEQCRD A E GLU GLU   131    159 H H 4      
SEQCRD A A ALA ALA   132    160 H H 4      
SEQCRD A L LEU LEU   133    161 H H 4      
SEQCRD A F PHE PHE   134    162 H H 4      
SEQCRD A D ASP ASP   135    163 H H 4      
SEQCRD A W TRP TRP   136    164 H H 4      
SEQCRD A L LEU LEU   137    165 H H 4      
SEQCRD A A ALA ALA   138    166 H H 4      
SEQCRD A V VAL VAL   139    167 H H 4      
SEQCRD A N ASN ASN   140    168 H H 4      
SEQCRD A Y TYR TYR   141    169 H H 4      
SEQCRD A K LYS LYS   142    170 H H 4      
SEQCRD A L LEU LEU   143    171 H H 4      
SEQCRD A D ASP ASP   144    172 H T 45     
SEQCRD A T THR THR   145    173 C T 45     
SEQCRD A L LEU LEU   146    174 C T 45     
SEQCRD A K LYS LYS   147    175 C T 45     
SEQCRD A S SER SER   148    176 C T 45     
SEQCRD A V VAL VAL   149    177 C C 4      
SEQCRD A Q GLN GLN   150    178 C C 4      
SEQCRD A N ASN ASN   151    179 C C 4      
SEQCRD A K LYS LYS   152    180 C C 4      
SEQCRD A S SER SER   153    181 C C 4      
SEQCRD A V VAL VAL   154    182 E E 4      
SEQCRD A G GLY GLY   155    183 E E 4      
SEQCRD A V VAL VAL   156    184 E E 4      
SEQCRD A M MET MET   157    185 E E 4      
SEQCRD A D ASP ASP   158    186 E E 4      
SEQCRD A M MET MET   159    187 E E 4      
SEQCRD A G GLY GLY   160    188 C T 45     
SEQCRD A G GLY GLY   161    189 C T 45     
SEQCRD A A ALA ALA   162    190 C T 45     
SEQCRD A S SER SER   163    191 E E 4      
SEQCRD A V VAL VAL   164    192 E E 4      
SEQCRD A Q GLN GLN   165    193 E E 4      
SEQCRD A I ILE ILE   166    194 E E 4      
SEQCRD A V VAL VAL   167    195 E E 4      
SEQCRD A F PHE PHE   168    196 E E 4      
SEQCRD A P PRO PRO   169    197 E E 4      
SEQCRD A M MET MET   170    198 C C 4      
SEQCRD A P PRO PRO   171    199 C C 4      
SEQCRD A K LYS LYS   172    200 C C 4      
SEQCRD A N ASN ASN   173    201 C T 45     
SEQCRD A A ALA ALA   174    202 C T 45     
SEQCRD A E GLU GLU   175    203 C T 45     
SEQCRD A I ILE ILE   176    204 C T 45     
SEQCRD A S SER SER   177    205 H C 45     
SEQCRD A K LYS LYS   178    206 H G 45     
SEQCRD A H HIS HIS   179    207 H G 45     
SEQCRD A N ASN ASN   180    208 C G 45     
SEQCRD A Q GLN GLN   181    209 E E 4      
SEQCRD A V VAL VAL   182    210 E E 4      
SEQCRD A E GLU GLU   183    211 E E 4      
SEQCRD A L LEU LEU   184    212 E E 4      
SEQCRD A N ASN ASN   185    213 E E 4      
SEQCRD A I ILE ILE   186    214 E E 4      
SEQCRD A Y TYR TYR   187    215 C T 45     
SEQCRD A G GLY GLY   188    216 C T 45     
SEQCRD A Q GLN GLN   189    217 E E 4      
SEQCRD A N ASN ASN   190    218 E E 4      
SEQCRD A I ILE ILE   191    219 E E 4      
SEQCRD A N ASN ASN   192    220 E E 4      
SEQCRD A L LEU LEU   193    221 E E 4      
SEQCRD A Y TYR TYR   194    222 E E 4      
SEQCRD A V VAL VAL   195    223 E E 4      
SEQCRD A H HIS HIS   196    224 E E 4      
SEQCRD A S SER SER   197    225 E E 4      
SEQCRD A F PHE PHE   198    226 E E 4      
SEQCRD A L LEU LEU   199    227 E E 4      
SEQCRD A G GLY GLY   200    228 C T 45     
SEQCRD A L LEU LEU   201    229 C T 45     
SEQCRD A G GLY GLY   202    230 H T 45     
SEQCRD A Q GLN GLN   203    231 H H 4      
SEQCRD A T THR THR   204    232 H H 4      
SEQCRD A E GLU GLU   205    233 H H 4      
SEQCRD A M MET MET   206    234 H H 4      
SEQCRD A S SER SER   207    235 H H 4      
SEQCRD A H HIS HIS   208    236 H H 4      
SEQCRD A Q GLN GLN   209    237 C T 45     
SEQCRD A F PHE PHE   210    238 C T 45     
SEQCRD A L LEU LEU   211    239 C T 45     
SEQCRD A N ASN ASN   212    240 C T 45     
SEQCRD A S SER SER   213    241 H T 45     
SEQCRD A P PRO PRO   214    242 H G 45     
SEQCRD A S SER SER   215    243 H G 45     
SEQCRD A C CYS CYS   216    244 H G 45     
SEQCRD A F PHE PHE   217    245 H C 45     
SEQCRD A A ALA ALA   218    246 C T 45     
SEQCRD A N ASN ASN   219    247 C B 45     
SEQCRD A D ASP ASP   220    248 C T 45     
SEQCRD A Y TYR TYR   221    249 C E 45     
SEQCRD A P PRO PRO   222    250 C E 45     
SEQCRD A L LEU LEU   223    251 C T 45     
SEQCRD A P PRO PRO   224    252 C T 45     
SEQCRD A D ASP ASP   225    253 C T 45     
SEQCRD A G GLY GLY   226    254 C T 45     
SEQCRD A E GLU GLU   227    255 C C 4      
SEQCRD A S SER SER   228    256 C E 45     
SEQCRD A G GLY GLY   229    257 C E 45     
SEQCRD A Q GLN GLN   230    258 C C 4      
SEQCRD A G GLY GLY   231    259 C C 4      
SEQCRD A N ASN ASN   232    260 H C 45     
SEQCRD A A ALA ALA   233    261 H H 4      
SEQCRD A P PRO PRO   234    262 H H 4      
SEQCRD A S SER SER   235    263 H H 4      
SEQCRD A C CYS CYS   236    264 H H 4      
SEQCRD A K LYS LYS   237    265 H H 4      
SEQCRD A E GLU GLU   238    266 H H 4      
SEQCRD A E GLU GLU   239    267 H H 4      
SEQCRD A V VAL VAL   240    268 H H 4      
SEQCRD A T THR THR   241    269 H H 4      
SEQCRD A S SER SER   242    270 H H 4      
SEQCRD A L LEU LEU   243    271 H H 4      
SEQCRD A M MET MET   244    272 H H 4      
SEQCRD A N ASN ASN   245    273 H H 4      
SEQCRD A S SER SER   246    274 H H 4      
SEQCRD A V VAL VAL   247    275 C H 45     
SEQCRD A H HIS HIS   248    276 C C 4      
SEQCRD A K LYS LYS   249    277 H C 45     
SEQCRD A V VAL VAL   250    278 H H 4      
SEQCRD A N ASN ASN   251    279 H H 4      
SEQCRD A Q GLN GLN   252    280 H H 4      
SEQCRD A Q GLN GLN   253    281 H H 4      
SEQCRD A I ILE ILE   254    282 H H 4      
SEQCRD A Q GLN GLN   255    283 H H 4      
SEQCRD A P PRO PRO   256    284 H H 4      
SEQCRD A L LEU LEU   257    285 H H 4      
SEQCRD A L LEU LEU   258    286 H H 4      
SEQCRD A A ALA ALA   259    287 H H 4      
SEQCRD A L LEU LEU   260    288 H H 4      
SEQCRD A N ASN ASN   261    289 H C 45     
SEQCRD A P PRO PRO   262    290 C C 4      
SEQCRD A V VAL VAL   263    291 C T 45     
SEQCRD A N ASN ASN   264    292 C T 45     
SEQCRD A E GLU GLU   265    293 E E 4      
SEQCRD A W TRP TRP   266    294 E E 4      
SEQCRD A Y TYR TYR   267    295 E E 4      
SEQCRD A S SER SER   268    296 E E 4      
SEQCRD A I ILE ILE   269    297 E E 4      
SEQCRD A G GLY GLY   270    298 E E 4      
SEQCRD A G GLY GLY   271    299 H H 4      
SEQCRD A I ILE ILE   272    300 H H 4      
SEQCRD A S SER SER   273    301 H H 4      
SEQCRD A N ASN ASN   274    302 H H 4      
SEQCRD A L LEU LEU   275    303 H H 4      
SEQCRD A A ALA ALA   276    304 H H 4      
SEQCRD A S SER SER   277    305 H H 4      
SEQCRD A S SER SER   278    306 C T 45     
SEQCRD A Q GLN GLN   279    307 C T 45     
SEQCRD A L LEU LEU   280    308 C T 45     
SEQCRD A F PHE PHE   281    309 C T 45     
SEQCRD A H HIS HIS   282    310 C C 4      
SEQCRD A F PHE PHE   283    311 C T 45     
SEQCRD A E GLU GLU   284    312 C T 45     
SEQCRD A N ASN ASN   285    313 C T 45     
SEQCRD A S SER SER   286    314 C T 45     
SEQCRD A E GLU GLU   287    315 E E 4      
SEQCRD A L LEU LEU   288    316 E E 4      
SEQCRD A T THR THR   289    317 E E 4      
SEQCRD A N ASN ASN   290    318 H H 4      
SEQCRD A Q GLN GLN   291    319 H H 4      
SEQCRD A S SER SER   292    320 H H 4      
SEQCRD A L LEU LEU   293    321 H H 4      
SEQCRD A L LEU LEU   294    322 H H 4      
SEQCRD A Q GLN GLN   295    323 H H 4      
SEQCRD A Q GLN GLN   296    324 H H 4      
SEQCRD A G GLY GLY   297    325 H H 4      
SEQCRD A D ASP ASP   298    326 H H 4      
SEQCRD A N ASN ASN   299    327 H H 4      
SEQCRD A Q GLN GLN   300    328 H H 4      
SEQCRD A I ILE ILE   301    329 H H 4      
SEQCRD A C CYS CYS   302    330 C T 45     
SEQCRD A H HIS HIS   303    331 C T 45     
SEQCRD A Q GLN GLN   304    332 C T 45     
SEQCRD A Q GLN GLN   305    333 H B 45     
SEQCRD A W TRP TRP   306    334 H H 4      
SEQCRD A D ASP ASP   307    335 H H 4      
SEQCRD A I ILE ILE   308    336 H H 4      
SEQCRD A L LEU LEU   309    337 H H 4      
SEQCRD A N ASN ASN   310    338 H H 4      
SEQCRD A G GLY GLY   311    339 H H 4      
SEQCRD A Q GLN GLN   312    340 H H 4      
SEQCRD A Y TYR TYR   313    341 H T 45     
SEQCRD A P PRO PRO   314    342 C T 45     
SEQCRD A D ASP ASP   315    343 C T 45     
SEQCRD A D ASP ASP   316    344 C T 45     
SEQCRD A E GLU GLU   317    345 C T 45     
SEQCRD A Y TYR TYR   318    346 H T 45     
SEQCRD A L LEU LEU   319    347 H G 45     
SEQCRD A Y TYR TYR   320    348 H G 45     
SEQCRD A Q GLN GLN   321    349 H G 45     
SEQCRD A Y TYR TYR   322    350 H H 4      
SEQCRD A C CYS CYS   323    351 H H 4      
SEQCRD A L LEU LEU   324    352 H H 4      
SEQCRD A L LEU LEU   325    353 H H 4      
SEQCRD A S SER SER   326    354 H H 4      
SEQCRD A S SER SER   327    355 H H 4      
SEQCRD A Y TYR TYR   328    356 H H 4      
SEQCRD A Y TYR TYR   329    357 H H 4      
SEQCRD A Y TYR TYR   330    358 H H 4      
SEQCRD A A ALA ALA   331    359 H H 4      
SEQCRD A L LEU LEU   332    360 H H 4      
SEQCRD A M MET MET   333    361 H H 4      
SEQCRD A V VAL VAL   334    362 H H 4      
SEQCRD A D ASP ASP   335    363 C T 45     
SEQCRD A G GLY GLY   336    364 C T 45     
SEQCRD A Y TYR TYR   337    365 C T 45     
SEQCRD A G GLY GLY   338    366 C T 45     
SEQCRD A I ILE ILE   339    367 C C 4      
SEQCRD A N ASN ASN   340    368 C T 45     
SEQCRD A P PRO PRO   341    369 C T 45     
SEQCRD A N ASN ASN   342    370 C T 45     
SEQCRD A Q GLN GLN   343    371 C T 45     
SEQCRD A T THR THR   344    372 E E 4      
SEQCRD A I ILE ILE   345    373 E E 4      
SEQCRD A H HIS HIS   346    374 E E 4      
SEQCRD A Y TYR TYR   347    375 E E 4      
SEQCRD A I ILE ILE   348    376 C C 4      
SEQCRD A P PRO PRO   349    377 C T 45     
SEQCRD A P PRO PRO   350    378 C T 45     
SEQCRD A E GLU GLU   351    379 C T 45     
SEQCRD A Q GLN GLN   352    380 C T 45     
SEQCRD A N ASN ASN   353    381 C C 4      
SEQCRD A L LEU LEU   354    382 C C 4      
SEQCRD A D ASP ASP   355    383 C C 4      
SEQCRD A W TRP TRP   356    384 H H 4      
SEQCRD A T THR THR   357    385 H H 4      
SEQCRD A I ILE ILE   358    386 H H 4      
SEQCRD A G GLY GLY   359    387 H H 4      
SEQCRD A V VAL VAL   360    388 H H 4      
SEQCRD A V VAL VAL   361    389 H H 4      
SEQCRD A L LEU LEU   362    390 H H 4      
SEQCRD A H HIS HIS   363    391 H H 4      
SEQCRD A R ARG ARG   364    392 H H 4      
SEQCRD A A ALA ALA   365    393 H C 45     
COMMNT
S2CERR 1      0 No standard amino acid code
S2CERR 2      0 SEQRES and ATOM residue names differ
S2CERR 3      9 No ATOM record
S2CERR 4    356 SEQRES and ATOM residue numbers differ
S2CERR 5    109 PDB and STRIDE secondary structures differ
S2CERR 6      9 PDB secondary structure is absent
S2CERR 7      9 STRIDE secondary structure is absent
COMMNT
COMMNT Crystallographic technical parameters:
PARAME    method     'X-RAY DIFFRACTION'
PARAME    resolution 1.70
PARAME    R-factor   0.15036
PARAME    B-factor   24.184
COMMNT
COMMNT Reference database information:
DATABA    source:
DATABA        UNP: Q5ZUA2_LEGPH (Q5ZUA2)
COMMNT
DATABA    mutation:
DATABA       HIS A 4     -->  ? ?          'EXPRESSION TAG'    
DATABA       HIS A 7     -->  ? ?          'EXPRESSION TAG'    
DATABA       HIS A 8     -->  ? ?          'EXPRESSION TAG'    
DATABA       ASP A 109   -->  GLU 137      CONFLICT            
DATABA       HIS A 5     -->  ? ?          'EXPRESSION TAG'    
DATABA       VAL A 121   -->  ALA 149      CONFLICT            
DATABA       HIS A 6     -->  ? ?          'EXPRESSION TAG'    
DATABA       ASP A 2     -->  ? ?          'EXPRESSION TAG'    
DATABA       MET A 1     -->  ? ?          'EXPRESSION TAG'    
DATABA       HIS A 3     -->  ? ?          'EXPRESSION TAG'