HEADSC 1hz4
COMMNT S2C correlation file created: Sat Dec 27 14:14:28 EST 2003
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   www.fccc.edu/research/labs/dubrack/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 G GLY ---     1      - - - 367    
SEQCRD A H HIS ---     2      - - - 367    
SEQCRD A E GLU GLU     3      1 C C 4      
SEQCRD A I ILE ILE     4      2 C C 4      
SEQCRD A K LYS LYS     5      3 C C 4      
SEQCRD A D ASP ASP     6      4 H C 45     
SEQCRD A I ILE ILE     7      5 H H 4      
SEQCRD A R ARG ARG     8      6 H H 4      
SEQCRD A E GLU GLU     9      7 H H 4      
SEQCRD A D ASP ASP    10      8 H H 4      
SEQCRD A T THR THR    11      9 H H 4      
SEQCRD A M MET MET    12     10 H H 4      
SEQCRD A H HIS HIS    13     11 H H 4      
SEQCRD A A ALA ALA    14     12 H H 4      
SEQCRD A E GLU GLU    15     13 H H 4      
SEQCRD A F PHE PHE    16     14 H H 4      
SEQCRD A N ASN ASN    17     15 H H 4      
SEQCRD A A ALA ALA    18     16 H H 4      
SEQCRD A L LEU LEU    19     17 H H 4      
SEQCRD A R ARG ARG    20     18 H H 4      
SEQCRD A A ALA ALA    21     19 H H 4      
SEQCRD A Q GLN GLN    22     20 H H 4      
SEQCRD A V VAL VAL    23     21 H H 4      
SEQCRD A A ALA ALA    24     22 H H 4      
SEQCRD A I ILE ILE    25     23 H H 4      
SEQCRD A N ASN ASN    26     24 H H 4      
SEQCRD A D ASP ASP    27     25 H H 4      
SEQCRD A G GLY GLY    28     26 C C 4      
SEQCRD A N ASN ASN    29     27 H C 45     
SEQCRD A P PRO PRO    30     28 H H 4      
SEQCRD A D ASP ASP    31     29 H H 4      
SEQCRD A E GLU GLU    32     30 H H 4      
SEQCRD A A ALA ALA    33     31 H H 4      
SEQCRD A E GLU GLU    34     32 H H 4      
SEQCRD A R ARG ARG    35     33 H H 4      
SEQCRD A L LEU LEU    36     34 H H 4      
SEQCRD A A ALA ALA    37     35 H H 4      
SEQCRD A K LYS LYS    38     36 H H 4      
SEQCRD A L LEU LEU    39     37 H H 4      
SEQCRD A A ALA ALA    40     38 H H 4      
SEQCRD A L LEU LEU    41     39 H H 4      
SEQCRD A E GLU GLU    42     40 H H 4      
SEQCRD A E GLU GLU    43     41 H C 45     
SEQCRD A L LEU LEU    44     42 C C 4      
SEQCRD A P PRO PRO    45     43 C T 45     
SEQCRD A P PRO PRO    46     44 C T 45     
SEQCRD A G GLY GLY    47     45 C T 45     
SEQCRD A W TRP TRP    48     46 H T 45     
SEQCRD A F PHE PHE    49     47 H H 4      
SEQCRD A Y TYR TYR    50     48 H H 4      
SEQCRD A S SER SER    51     49 H H 4      
SEQCRD A R ARG ARG    52     50 H H 4      
SEQCRD A I ILE ILE    53     51 H H 4      
SEQCRD A V VAL VAL    54     52 H H 4      
SEQCRD A A ALA ALA    55     53 H H 4      
SEQCRD A T THR THR    56     54 H H 4      
SEQCRD A S SER SER    57     55 H H 4      
SEQCRD A V VAL VAL    58     56 H H 4      
SEQCRD A L LEU LEU    59     57 H H 4      
SEQCRD A G GLY GLY    60     58 H H 4      
SEQCRD A E GLU GLU    61     59 H H 4      
SEQCRD A V VAL VAL    62     60 H H 4      
SEQCRD A L LEU LEU    63     61 H H 4      
SEQCRD A H HIS HIS    64     62 H H 4      
SEQCRD A C CYS CYS    65     63 H H 4      
SEQCRD A K LYS LYS    66     64 H H 4      
SEQCRD A G GLY GLY    67     65 H C 45     
SEQCRD A E GLU GLU    68     66 H C 45     
SEQCRD A L LEU LEU    69     67 H H 4      
SEQCRD A T THR THR    70     68 H H 4      
SEQCRD A R ARG ARG    71     69 H H 4      
SEQCRD A S SER SER    72     70 H H 4      
SEQCRD A L LEU LEU    73     71 H H 4      
SEQCRD A A ALA ALA    74     72 H H 4      
SEQCRD A L LEU LEU    75     73 H H 4      
SEQCRD A M MET MET    76     74 H H 4      
SEQCRD A Q GLN GLN    77     75 H H 4      
SEQCRD A Q GLN GLN    78     76 H H 4      
SEQCRD A T THR THR    79     77 H H 4      
SEQCRD A E GLU GLU    80     78 H H 4      
SEQCRD A Q GLN GLN    81     79 H H 4      
SEQCRD A M MET MET    82     80 H H 4      
SEQCRD A A ALA ALA    83     81 H H 4      
SEQCRD A R ARG ARG    84     82 H H 4      
SEQCRD A Q GLN GLN    85     83 H H 4      
SEQCRD A H HIS HIS    86     84 H H 4      
SEQCRD A D ASP ASP    87     85 C C 4      
SEQCRD A V VAL VAL    88     86 H C 45     
SEQCRD A W TRP TRP    89     87 H H 4      
SEQCRD A H HIS HIS    90     88 H H 4      
SEQCRD A Y TYR TYR    91     89 H H 4      
SEQCRD A A ALA ALA    92     90 H H 4      
SEQCRD A L LEU LEU    93     91 H H 4      
SEQCRD A W TRP TRP    94     92 H H 4      
SEQCRD A S SER SER    95     93 H H 4      
SEQCRD A L LEU LEU    96     94 H H 4      
SEQCRD A I ILE ILE    97     95 H H 4      
SEQCRD A Q GLN GLN    98     96 H H 4      
SEQCRD A Q GLN GLN    99     97 H H 4      
SEQCRD A S SER SER   100     98 H H 4      
SEQCRD A E GLU GLU   101     99 H H 4      
SEQCRD A I ILE ILE   102    100 H H 4      
SEQCRD A L LEU LEU   103    101 H H 4      
SEQCRD A F PHE PHE   104    102 H H 4      
SEQCRD A A ALA ALA   105    103 H H 4      
SEQCRD A Q GLN GLN   106    104 H H 4      
SEQCRD A G GLY GLY   107    105 C C 4      
SEQCRD A F PHE PHE   108    106 H C 45     
SEQCRD A L LEU LEU   109    107 H H 4      
SEQCRD A Q GLN GLN   110    108 H H 4      
SEQCRD A T THR THR   111    109 H H 4      
SEQCRD A A ALA ALA   112    110 H H 4      
SEQCRD A W TRP TRP   113    111 H H 4      
SEQCRD A E GLU GLU   114    112 H H 4      
SEQCRD A T THR THR   115    113 H H 4      
SEQCRD A Q GLN GLN   116    114 H H 4      
SEQCRD A E GLU GLU   117    115 H H 4      
SEQCRD A K LYS LYS   118    116 H H 4      
SEQCRD A A ALA ALA   119    117 H H 4      
SEQCRD A F PHE PHE   120    118 H H 4      
SEQCRD A Q GLN GLN   121    119 H H 4      
SEQCRD A L LEU LEU   122    120 H H 4      
SEQCRD A I ILE ILE   123    121 H H 4      
SEQCRD A N ASN ASN   124    122 H H 4      
SEQCRD A E GLU GLU   125    123 H H 4      
SEQCRD A Q GLN GLN   126    124 H H 4      
SEQCRD A H HIS HIS   127    125 C C 4      
SEQCRD A L LEU LEU   128    126 C T 45     
SEQCRD A E GLU GLU   129    127 C T 45     
SEQCRD A Q GLN GLN   130    128 C T 45     
SEQCRD A L LEU LEU   131    129 C T 45     
SEQCRD A P PRO PRO   132    130 H H 4      
SEQCRD A M MET MET   133    131 H H 4      
SEQCRD A H HIS HIS   134    132 H H 4      
SEQCRD A E GLU GLU   135    133 H H 4      
SEQCRD A F PHE PHE   136    134 H H 4      
SEQCRD A L LEU LEU   137    135 H H 4      
SEQCRD A V VAL VAL   138    136 H H 4      
SEQCRD A R ARG ARG   139    137 H H 4      
SEQCRD A I ILE ILE   140    138 H H 4      
SEQCRD A R ARG ARG   141    139 H H 4      
SEQCRD A A ALA ALA   142    140 H H 4      
SEQCRD A Q GLN GLN   143    141 H H 4      
SEQCRD A L LEU LEU   144    142 H H 4      
SEQCRD A L LEU LEU   145    143 H H 4      
SEQCRD A W TRP TRP   146    144 H H 4      
SEQCRD A A ALA ALA   147    145 H H 4      
SEQCRD A W TRP TRP   148    146 H H 4      
SEQCRD A A ALA ALA   149    147 C C 4      
SEQCRD A R ARG ARG   150    148 H C 45     
SEQCRD A L LEU LEU   151    149 H H 4      
SEQCRD A D ASP ASP   152    150 H H 4      
SEQCRD A E GLU GLU   153    151 H H 4      
SEQCRD A A ALA ALA   154    152 H H 4      
SEQCRD A E GLU GLU   155    153 H H 4      
SEQCRD A A ALA ALA   156    154 H H 4      
SEQCRD A S SER SER   157    155 H H 4      
SEQCRD A A ALA ALA   158    156 H H 4      
SEQCRD A R ARG ARG   159    157 H H 4      
SEQCRD A S SER SER   160    158 H H 4      
SEQCRD A G GLY GLY   161    159 H H 4      
SEQCRD A I ILE ILE   162    160 H H 4      
SEQCRD A E GLU GLU   163    161 H H 4      
SEQCRD A V VAL VAL   164    162 H H 4      
SEQCRD A L LEU LEU   165    163 H H 4      
SEQCRD A S SER SER   166    164 C T 45     
SEQCRD A S SER SER   167    165 C T 45     
SEQCRD A Y TYR TYR   168    166 C T 45     
SEQCRD A Q GLN GLN   169    167 H C 45     
SEQCRD A P PRO PRO   170    168 H G 45     
SEQCRD A Q GLN GLN   171    169 H G 45     
SEQCRD A Q GLN GLN   172    170 H G 45     
SEQCRD A Q GLN GLN   173    171 H G 45     
SEQCRD A L LEU LEU   174    172 H H 4      
SEQCRD A Q GLN GLN   175    173 H H 4      
SEQCRD A C CYS CYS   176    174 H H 4      
SEQCRD A L LEU LEU   177    175 H H 4      
SEQCRD A A ALA ALA   178    176 H H 4      
SEQCRD A M MET MET   179    177 H H 4      
SEQCRD A L LEU LEU   180    178 H H 4      
SEQCRD A I ILE ILE   181    179 H H 4      
SEQCRD A Q GLN GLN   182    180 H H 4      
SEQCRD A C CYS CYS   183    181 H H 4      
SEQCRD A S SER SER   184    182 H H 4      
SEQCRD A L LEU LEU   185    183 H H 4      
SEQCRD A A ALA ALA   186    184 H H 4      
SEQCRD A R ARG ARG   187    185 H H 4      
SEQCRD A G GLY GLY   188    186 H C 45     
SEQCRD A D ASP ASP   189    187 H C 45     
SEQCRD A L LEU LEU   190    188 H H 4      
SEQCRD A D ASP ASP   191    189 H H 4      
SEQCRD A N ASN ASN   192    190 H H 4      
SEQCRD A A ALA ALA   193    191 H H 4      
SEQCRD A R ARG ARG   194    192 H H 4      
SEQCRD A S SER SER   195    193 H H 4      
SEQCRD A Q GLN GLN   196    194 H H 4      
SEQCRD A L LEU LEU   197    195 H H 4      
SEQCRD A N ASN ASN   198    196 H H 4      
SEQCRD A R ARG ARG   199    197 H H 4      
SEQCRD A L LEU LEU   200    198 H H 4      
SEQCRD A E GLU GLU   201    199 H H 4      
SEQCRD A N ASN ASN   202    200 H H 4      
SEQCRD A L LEU LEU   203    201 H H 4      
SEQCRD A L LEU LEU   204    202 H H 4      
SEQCRD A G GLY GLY   205    203 H H 4      
SEQCRD A N ASN ASN   206    204 C C 4      
SEQCRD A G GLY GLY   207    205 C C 4      
SEQCRD A K LYS LYS   208    206 C C 4      
SEQCRD A Y TYR TYR   209    207 C C 4      
SEQCRD A H HIS HIS   210    208 H C 45     
SEQCRD A S SER SER   211    209 H H 4      
SEQCRD A D ASP ASP   212    210 H H 4      
SEQCRD A W TRP TRP   213    211 H H 4      
SEQCRD A I ILE ILE   214    212 H H 4      
SEQCRD A S SER SER   215    213 H H 4      
SEQCRD A N ASN ASN   216    214 H H 4      
SEQCRD A A ALA ALA   217    215 H H 4      
SEQCRD A N ASN ASN   218    216 H H 4      
SEQCRD A K LYS LYS   219    217 H H 4      
SEQCRD A V VAL VAL   220    218 H H 4      
SEQCRD A R ARG ARG   221    219 H H 4      
SEQCRD A V VAL VAL   222    220 H H 4      
SEQCRD A I ILE ILE   223    221 H H 4      
SEQCRD A Y TYR TYR   224    222 H H 4      
SEQCRD A W TRP TRP   225    223 H H 4      
SEQCRD A Q GLN GLN   226    224 H H 4      
SEQCRD A M MET MET   227    225 H H 4      
SEQCRD A T THR THR   228    226 H H 4      
SEQCRD A G GLY GLY   229    227 C T 45     
SEQCRD A D ASP ASP   230    228 H T 45     
SEQCRD A K LYS LYS   231    229 H H 4      
SEQCRD A A ALA ALA   232    230 H H 4      
SEQCRD A A ALA ALA   233    231 H H 4      
SEQCRD A A ALA ALA   234    232 H H 4      
SEQCRD A A ALA ALA   235    233 H H 4      
SEQCRD A N ASN ASN   236    234 H H 4      
SEQCRD A W TRP TRP   237    235 H H 4      
SEQCRD A L LEU LEU   238    236 H H 4      
SEQCRD A R ARG ARG   239    237 H H 4      
SEQCRD A H HIS HIS   240    238 H H 4      
SEQCRD A T THR THR   241    239 H C 45     
SEQCRD A A ALA ALA   242    240 C C 4      
SEQCRD A K LYS LYS   243    241 C C 4      
SEQCRD A P PRO PRO   244    242 C C 4      
SEQCRD A E GLU GLU   245    243 C C 4      
SEQCRD A F PHE PHE   246    244 C T 45     
SEQCRD A A ALA ALA   247    245 C T 45     
SEQCRD A N ASN ASN   248    246 C T 45     
SEQCRD A N ASN ASN   249    247 H T 45     
SEQCRD A H HIS HIS   250    248 H G 45     
SEQCRD A F PHE PHE   251    249 H G 45     
SEQCRD A L LEU LEU   252    250 H G 45     
SEQCRD A Q GLN GLN   253    251 H H 4      
SEQCRD A G GLY GLY   254    252 H H 4      
SEQCRD A Q GLN GLN   255    253 H H 4      
SEQCRD A W TRP TRP   256    254 H H 4      
SEQCRD A R ARG ARG   257    255 H H 4      
SEQCRD A N ASN ASN   258    256 H H 4      
SEQCRD A I ILE ILE   259    257 H H 4      
SEQCRD A A ALA ALA   260    258 H H 4      
SEQCRD A R ARG ARG   261    259 H H 4      
SEQCRD A A ALA ALA   262    260 H H 4      
SEQCRD A Q GLN GLN   263    261 H H 4      
SEQCRD A I ILE ILE   264    262 H H 4      
SEQCRD A L LEU LEU   265    263 H H 4      
SEQCRD A L LEU LEU   266    264 H H 4      
SEQCRD A G GLY GLY   267    265 C C 4      
SEQCRD A E GLU GLU   268    266 H C 45     
SEQCRD A F PHE PHE   269    267 H H 4      
SEQCRD A E GLU GLU   270    268 H H 4      
SEQCRD A P PRO PRO   271    269 H H 4      
SEQCRD A A ALA ALA   272    270 H H 4      
SEQCRD A E GLU GLU   273    271 H H 4      
SEQCRD A I ILE ILE   274    272 H H 4      
SEQCRD A V VAL VAL   275    273 H H 4      
SEQCRD A L LEU LEU   276    274 H H 4      
SEQCRD A E GLU GLU   277    275 H H 4      
SEQCRD A E GLU GLU   278    276 H H 4      
SEQCRD A L LEU LEU   279    277 H H 4      
SEQCRD A N ASN ASN   280    278 H H 4      
SEQCRD A E GLU GLU   281    279 H H 4      
SEQCRD A N ASN ASN   282    280 H H 4      
SEQCRD A A ALA ALA   283    281 H H 4      
SEQCRD A R ARG ARG   284    282 H H 4      
SEQCRD A S SER SER   285    283 H H 4      
SEQCRD A L LEU LEU   286    284 H H 4      
SEQCRD A R ARG ARG   287    285 C T 45     
SEQCRD A L LEU LEU   288    286 H T 45     
SEQCRD A M MET MET   289    287 H H 4      
SEQCRD A S SER SER   290    288 H H 4      
SEQCRD A D ASP ASP   291    289 H H 4      
SEQCRD A L LEU LEU   292    290 H H 4      
SEQCRD A N ASN ASN   293    291 H H 4      
SEQCRD A R ARG ARG   294    292 H H 4      
SEQCRD A N ASN ASN   295    293 H H 4      
SEQCRD A L LEU LEU   296    294 H H 4      
SEQCRD A L LEU LEU   297    295 H H 4      
SEQCRD A L LEU LEU   298    296 H H 4      
SEQCRD A L LEU LEU   299    297 H H 4      
SEQCRD A N ASN ASN   300    298 H H 4      
SEQCRD A Q GLN GLN   301    299 H H 4      
SEQCRD A L LEU LEU   302    300 H H 4      
SEQCRD A Y TYR TYR   303    301 H H 4      
SEQCRD A W TRP TRP   304    302 H H 4      
SEQCRD A Q GLN GLN   305    303 H H 4      
SEQCRD A A ALA ALA   306    304 H H 4      
SEQCRD A G GLY GLY   307    305 H C 45     
SEQCRD A R ARG ARG   308    306 H C 45     
SEQCRD A K LYS LYS   309    307 H H 4      
SEQCRD A S SER SER   310    308 H H 4      
SEQCRD A D ASP ASP   311    309 H H 4      
SEQCRD A A ALA ALA   312    310 H H 4      
SEQCRD A Q GLN GLN   313    311 H H 4      
SEQCRD A R ARG ARG   314    312 H H 4      
SEQCRD A V VAL VAL   315    313 H H 4      
SEQCRD A L LEU LEU   316    314 H H 4      
SEQCRD A L LEU LEU   317    315 H H 4      
SEQCRD A D ASP ASP   318    316 H H 4      
SEQCRD A A ALA ALA   319    317 H H 4      
SEQCRD A L LEU LEU   320    318 H H 4      
SEQCRD A K LYS LYS   321    319 H H 4      
SEQCRD A L LEU LEU   322    320 H H 4      
SEQCRD A A ALA ALA   323    321 H H 4      
SEQCRD A N ASN ASN   324    322 H H 4      
SEQCRD A R ARG ARG   325    323 H H 4      
SEQCRD A T THR THR   326    324 H H 4      
SEQCRD A G GLY GLY   327    325 H C 45     
SEQCRD A F PHE PHE   328    326 C C 4      
SEQCRD A I ILE ILE   329    327 H H 4      
SEQCRD A S SER SER   330    328 H H 4      
SEQCRD A H HIS HIS   331    329 H H 4      
SEQCRD A F PHE PHE   332    330 H H 4      
SEQCRD A V VAL VAL   333    331 H H 4      
SEQCRD A I ILE ILE   334    332 H H 4      
SEQCRD A E GLU GLU   335    333 H H 4      
SEQCRD A G GLY GLY   336    334 H H 4      
SEQCRD A E GLU GLU   337    335 H H 4      
SEQCRD A A ALA ALA   338    336 H H 4      
SEQCRD A M MET MET   339    337 H H 4      
SEQCRD A A ALA ALA   340    338 H H 4      
SEQCRD A Q GLN GLN   341    339 H H 4      
SEQCRD A Q GLN GLN   342    340 H H 4      
SEQCRD A L LEU LEU   343    341 H H 4      
SEQCRD A R ARG ARG   344    342 H H 4      
SEQCRD A Q GLN GLN   345    343 H H 4      
SEQCRD A L LEU LEU   346    344 H H 4      
SEQCRD A I ILE ILE   347    345 H H 4      
SEQCRD A Q GLN GLN   348    346 H H 4      
SEQCRD A L LEU LEU   349    347 H H 4      
SEQCRD A N ASN ASN   350    348 C C 4      
SEQCRD A T THR THR   351    349 C C 4      
SEQCRD A L LEU LEU   352    350 C C 4      
SEQCRD A P PRO PRO   353    351 H C 45     
SEQCRD A E GLU GLU   354    352 H H 4      
SEQCRD A L LEU LEU   355    353 H H 4      
SEQCRD A E GLU GLU   356    354 H H 4      
SEQCRD A Q GLN GLN   357    355 H H 4      
SEQCRD A H HIS HIS   358    356 H H 4      
SEQCRD A R ARG ARG   359    357 H H 4      
SEQCRD A A ALA ALA   360    358 H H 4      
SEQCRD A Q GLN GLN   361    359 H H 4      
SEQCRD A R ARG ARG   362    360 H H 4      
SEQCRD A I ILE ILE   363    361 H H 4      
SEQCRD A L LEU LEU   364    362 H H 4      
SEQCRD A R ARG ARG   365    363 H H 4      
SEQCRD A E GLU GLU   366    364 H H 4      
SEQCRD A I ILE ILE   367    365 H H 4      
SEQCRD A N ASN ASN   368    366 H C 45     
SEQCRD A Q GLN ---   369      - - - 367    
SEQCRD A H HIS ---   370      - - - 367    
SEQCRD A H HIS ---   371      - - - 367    
SEQCRD A G GLY ---   372      - - - 367    
SEQCRD A A ALA ---   373      - - - 367    
COMMNT
S2CERR 1      0 No standard amino acid code
S2CERR 2      0 SEQRES and ATOM residue names differ
S2CERR 3      7 No ATOM record
S2CERR 4    366 SEQRES and ATOM residue numbers differ
S2CERR 5     45 PDB and STRIDE secondary structures differ
S2CERR 6      7 PDB secondary structure is absent
S2CERR 7      7 STRIDE secondary structure is absent
COMMNT
COMMNT Crystallographic technical parameters:
PARAME    method     'X-RAY DIFFRACTION'
PARAME    resolution 1.45
PARAME    R-factor   ?
PARAME    B-factor   ?
COMMNT
COMMNT Reference database information:
DATABA    source:
DATABA        SWS: MALT_ECOLI (P06993)
COMMNT
DATABA    mutation:
DATABA       GLY A 372   -->  ? ?          'CLONING ARTIFACT'  
DATABA       ALA A 373   -->  ? ?          'CLONING ARTIFACT'  
DATABA       GLY A 1     -->  ? ?          'CLONING ARTIFACT'