HEADSC 3vv2 COMMNT S2C correlation file created: Thu Mar 7 19:30:45 EST 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 G GLY --- 1 - - - 367 SEQCRD B E GLU --- 2 - - - 367 SEQCRD B Q GLN --- 3 - - - 367 SEQCRD B N ASN --- 4 - - - 367 SEQCRD B T THR THR 5 5 C C - SEQCRD B I ILE ILE 6 6 E E - SEQCRD B R ARG ARG 7 7 E E - SEQCRD B V VAL VAL 8 8 E E - SEQCRD B I ILE ILE 9 9 E E - SEQCRD B V VAL VAL 10 10 E E - SEQCRD B S SER SER 11 11 E E - SEQCRD B V VAL VAL 12 12 E E - SEQCRD B D ASP ASP 13 13 C C - SEQCRD B K LYS LYS 14 14 H G 5 SEQCRD B A ALA ALA 15 15 H G 5 SEQCRD B K LYS LYS 16 16 H G 5 SEQCRD B F PHE PHE 17 17 H C 5 SEQCRD B N ASN ASN 18 18 H C 5 SEQCRD B P PRO PRO 19 19 H G 5 SEQCRD B H HIS HIS 20 20 H G 5 SEQCRD B E GLU GLU 21 21 H G 5 SEQCRD B V VAL VAL 22 22 H G 5 SEQCRD B L LEU LEU 23 23 H G 5 SEQCRD B G GLY GLY 24 24 H G 5 SEQCRD B I ILE ILE 25 25 H G 5 SEQCRD B G GLY GLY 26 26 H C 5 SEQCRD B G GLY GLY 27 27 C C - SEQCRD B H HIS HIS 28 28 E E - SEQCRD B I ILE ILE 29 29 E E - SEQCRD B V VAL VAL 30 30 E E - SEQCRD B Y TYR TYR 31 31 E E - SEQCRD B Q GLN GLN 32 32 E E - SEQCRD B F PHE PHE 33 33 C E 5 SEQCRD B K LYS LYS 34 34 C T 5 SEQCRD B L LEU LEU 35 35 C T 5 SEQCRD B I ILE ILE 36 36 C T 5 SEQCRD B P PRO PRO 37 37 C T 5 SEQCRD B A ALA ALA 38 38 E E - SEQCRD B V VAL VAL 39 39 E E - SEQCRD B V VAL VAL 40 40 E E - SEQCRD B V VAL VAL 41 41 E E - SEQCRD B D ASP ASP 42 42 E E - SEQCRD B V VAL VAL 43 43 E E - SEQCRD B P PRO PRO 44 44 H C 5 SEQCRD B A ALA ALA 45 45 H G 5 SEQCRD B N ASN ASN 46 46 H G 5 SEQCRD B A ALA ALA 47 47 H G 5 SEQCRD B V VAL VAL 48 48 H H - SEQCRD B G GLY GLY 49 49 H H - SEQCRD B K LYS LYS 50 50 H H - SEQCRD B L LEU LEU 51 51 H H - SEQCRD B K LYS LYS 52 52 H H - SEQCRD B K LYS LYS 53 53 H C 5 SEQCRD B M MET MET 54 54 C T 5 SEQCRD B P PRO PRO 55 55 C T 5 SEQCRD B G GLY GLY 56 56 C T 5 SEQCRD B V VAL VAL 57 57 E E - SEQCRD B E GLU GLU 58 58 E E - SEQCRD B K LYS LYS 59 59 E E - SEQCRD B V VAL VAL 60 60 E E - SEQCRD B E GLU GLU 61 61 E E - SEQCRD B F PHE PHE 62 62 E E - SEQCRD B D ASP ASP 63 63 C C - SEQCRD B H HIS HIS 64 64 C C - SEQCRD B Q GLN GLN 65 65 E E - SEQCRD B A ALA ALA 66 66 E E - SEQCRD B V VAL VAL 67 67 C B 5 SEQCRD B L LEU LEU 68 68 C C - SEQCRD B P PRO PRO 69 69 C C - SEQCRD A G GLY --- 1 - - - 367 SEQCRD A K LYS --- 2 - - - 367 SEQCRD A P PRO --- 3 - - - 367 SEQCRD A S SER --- 4 - - - 367 SEQCRD A W TRP --- 5 - - - 367 SEQCRD A L LEU --- 6 - - - 367 SEQCRD A G GLY --- 7 - - - 367 SEQCRD A G GLY --- 8 - - - 367 SEQCRD A G GLY --- 9 - - - 367 SEQCRD A S SER SER 10 79 C C 4 SEQCRD A T THR THR 11 80 C C 4 SEQCRD A Q GLN GLN 12 81 C C 4 SEQCRD A P PRO PRO 13 82 C C 4 SEQCRD A A ALA ALA 14 83 C B 45 SEQCRD A Q GLN GLN 15 84 C C 4 SEQCRD A T THR THR 16 85 C C 4 SEQCRD A I ILE ILE 17 86 C C 4 SEQCRD A P PRO PRO 18 87 H C 45 SEQCRD A W TRP TRP 19 88 H H 4 SEQCRD A G GLY GLY 20 89 H H 4 SEQCRD A I ILE ILE 21 90 H H 4 SEQCRD A E GLU GLU 22 91 H H 4 SEQCRD A R ARG ARG 23 92 H H 4 SEQCRD A V VAL VAL 24 93 H H 4 SEQCRD A K LYS LYS 25 94 C C 4 SEQCRD A A ALA ALA 26 95 H C 45 SEQCRD A P PRO PRO 27 96 H G 45 SEQCRD A S SER SER 28 97 H G 45 SEQCRD A V VAL VAL 29 98 H G 45 SEQCRD A W TRP TRP 30 99 H T 45 SEQCRD A S SER SER 31 100 C T 45 SEQCRD A I ILE ILE 32 101 C T 45 SEQCRD A T THR THR 33 102 C T 45 SEQCRD A D ASP ASP 34 103 C T 45 SEQCRD A G GLY GLY 35 104 C T 45 SEQCRD A S SER SER 36 105 C T 45 SEQCRD A V VAL VAL 37 106 C T 45 SEQCRD A S SER SER 38 107 C T 45 SEQCRD A V VAL VAL 39 108 C T 45 SEQCRD A I ILE ILE 40 109 C T 45 SEQCRD A Q GLN GLN 41 110 E E 4 SEQCRD A V VAL VAL 42 111 E E 4 SEQCRD A A ALA ALA 43 112 E E 4 SEQCRD A V VAL VAL 44 113 E E 4 SEQCRD A L LEU LEU 45 114 E E 4 SEQCRD A D ASP ASP 46 115 E E 4 SEQCRD A T THR THR 47 116 C C 4 SEQCRD A G GLY GLY 48 117 C C 4 SEQCRD A V VAL VAL 49 118 C B 45 SEQCRD A D ASP ASP 50 119 C T 45 SEQCRD A Y TYR TYR 51 120 C T 45 SEQCRD A D ASP ASP 52 121 C T 45 SEQCRD A H HIS HIS 53 122 C T 45 SEQCRD A P PRO PRO 54 123 C T 45 SEQCRD A D ASP ASP 55 124 C T 45 SEQCRD A L LEU LEU 56 125 H T 45 SEQCRD A A ALA ALA 57 126 H G 45 SEQCRD A A ALA ALA 58 127 H G 45 SEQCRD A N ASN ASN 59 128 C G 45 SEQCRD A I ILE ILE 60 129 E E 4 SEQCRD A A ALA ALA 61 130 E E 4 SEQCRD A W TRP TRP 62 131 E E 4 SEQCRD A C CYS CYS 63 132 E E 4 SEQCRD A V VAL VAL 64 133 E E 4 SEQCRD A S SER SER 65 134 E E 4 SEQCRD A T THR THR 66 135 C T 45 SEQCRD A L LEU LEU 67 136 H T 45 SEQCRD A R ARG ARG 68 137 H T 45 SEQCRD A G GLY GLY 69 138 H T 45 SEQCRD A K LYS LYS 70 139 H T 45 SEQCRD A V VAL VAL 71 140 C C 4 SEQCRD A S SER SER 72 141 C B 45 SEQCRD A T THR THR 73 142 C C 4 SEQCRD A K LYS LYS 74 143 H C 45 SEQCRD A L LEU LEU 75 144 H G 45 SEQCRD A R ARG ARG 76 145 H G 45 SEQCRD A D ASP ASP 77 146 H G 45 SEQCRD A C CYS CYS 78 147 H C 45 SEQCRD A A ALA ALA 79 148 H B 45 SEQCRD A D ASP ASP 80 149 C T 45 SEQCRD A Q GLN GLN 81 150 C T 45 SEQCRD A N ASN ASN 82 151 C T 45 SEQCRD A G GLY GLY 83 152 H T 45 SEQCRD A H HIS HIS 84 153 H H 4 SEQCRD A G GLY GLY 85 154 H H 4 SEQCRD A T THR THR 86 155 H H 4 SEQCRD A H HIS HIS 87 156 H H 4 SEQCRD A V VAL VAL 88 157 H H 4 SEQCRD A I ILE ILE 89 158 H H 4 SEQCRD A G GLY GLY 90 159 H H 4 SEQCRD A T THR THR 91 160 H H 4 SEQCRD A I ILE ILE 92 161 H H 4 SEQCRD A A ALA ALA 93 162 H H 4 SEQCRD A A ALA ALA 94 163 H C 45 SEQCRD A L LEU LEU 95 164 C C 4 SEQCRD A N ASN ASN 96 165 C C 4 SEQCRD A N ASN ASN 97 166 C C 4 SEQCRD A D ASP ASP 98 167 C C 4 SEQCRD A I ILE ILE 99 168 C B 45 SEQCRD A G GLY GLY 100 169 C C 4 SEQCRD A V VAL VAL 101 170 C C 4 SEQCRD A V VAL VAL 102 171 C C 4 SEQCRD A G GLY GLY 103 172 C T 45 SEQCRD A V VAL VAL 104 173 C T 45 SEQCRD A A ALA ALA 105 174 C T 45 SEQCRD A P PRO PRO 106 175 C T 45 SEQCRD A G GLY GLY 107 176 C T 45 SEQCRD A V VAL VAL 108 177 C T 45 SEQCRD A Q GLN GLN 109 178 E E 4 SEQCRD A I ILE ILE 110 179 E E 4 SEQCRD A Y TYR TYR 111 180 E E 4 SEQCRD A S SER SER 112 181 E E 4 SEQCRD A V VAL VAL 113 182 E E 4 SEQCRD A R ARG ARG 114 183 E E 4 SEQCRD A V VAL VAL 115 184 C C 4 SEQCRD A L LEU LEU 116 185 C C 4 SEQCRD A D ASP ASP 117 186 C T 45 SEQCRD A A ALA ALA 118 187 C T 45 SEQCRD A R ARG ARG 119 188 C T 45 SEQCRD A G GLY GLY 120 189 C T 45 SEQCRD A S SER SER 121 190 C C 4 SEQCRD A G GLY GLY 122 191 E E 4 SEQCRD A S SER SER 123 192 E E 4 SEQCRD A Y TYR TYR 124 193 H H 4 SEQCRD A S SER SER 125 194 H H 4 SEQCRD A D ASP ASP 126 195 H H 4 SEQCRD A I ILE ILE 127 196 H H 4 SEQCRD A A ALA ALA 128 197 H H 4 SEQCRD A I ILE ILE 129 198 H H 4 SEQCRD A G GLY GLY 130 199 H H 4 SEQCRD A I ILE ILE 131 200 H H 4 SEQCRD A E GLU GLU 132 201 H H 4 SEQCRD A Q GLN GLN 133 202 H H 4 SEQCRD A A ALA ALA 134 203 H H 4 SEQCRD A I ILE ILE 135 204 H H 4 SEQCRD A L LEU LEU 136 205 H H 4 SEQCRD A G GLY GLY 137 206 H T 45 SEQCRD A P PRO PRO 138 207 C T 45 SEQCRD A D ASP ASP 139 208 C T 45 SEQCRD A G GLY GLY 140 209 C T 45 SEQCRD A V VAL VAL 141 210 C T 45 SEQCRD A A ALA ALA 142 211 C T 45 SEQCRD A D ASP ASP 143 212 C T 45 SEQCRD A K LYS LYS 144 213 C T 45 SEQCRD A D ASP ASP 145 214 C T 45 SEQCRD A G GLY GLY 146 215 C T 45 SEQCRD A D ASP ASP 147 216 C C 4 SEQCRD A G GLY GLY 148 217 C C 4 SEQCRD A I ILE ILE 149 218 C T 45 SEQCRD A I ILE ILE 150 219 C T 45 SEQCRD A A ALA ALA 151 220 C T 45 SEQCRD A G GLY GLY 152 221 C T 45 SEQCRD A D ASP ASP 153 222 C T 45 SEQCRD A P PRO PRO 154 223 C T 45 SEQCRD A D ASP ASP 155 224 C T 45 SEQCRD A D ASP ASP 156 225 C T 45 SEQCRD A D ASP ASP 157 226 C C 4 SEQCRD A A ALA ALA 158 227 C C 4 SEQCRD A A ALA ALA 159 228 C T 45 SEQCRD A E GLU GLU 160 229 C T 45 SEQCRD A V VAL VAL 161 230 E E 4 SEQCRD A I ILE ILE 162 231 E E 4 SEQCRD A S SER SER 163 232 E E 4 SEQCRD A M MET MET 164 233 E E 4 SEQCRD A S SER SER 165 234 C C 4 SEQCRD A L LEU LEU 166 235 C C 4 SEQCRD A G GLY GLY 167 236 C B 45 SEQCRD A G GLY GLY 168 237 C B 45 SEQCRD A P PRO PRO 169 238 C C 4 SEQCRD A A ALA ALA 170 239 C C 4 SEQCRD A D ASP ASP 171 240 C C 4 SEQCRD A D ASP ASP 172 241 H C 45 SEQCRD A S SER SER 173 242 H H 4 SEQCRD A Y TYR TYR 174 243 H H 4 SEQCRD A L LEU LEU 175 244 H H 4 SEQCRD A Y TYR TYR 176 245 H H 4 SEQCRD A D ASP ASP 177 246 H H 4 SEQCRD A M MET MET 178 247 H H 4 SEQCRD A I ILE ILE 179 248 H H 4 SEQCRD A I ILE ILE 180 249 H H 4 SEQCRD A Q GLN GLN 181 250 H H 4 SEQCRD A A ALA ALA 182 251 H H 4 SEQCRD A Y TYR TYR 183 252 H H 4 SEQCRD A N ASN ASN 184 253 H H 4 SEQCRD A A ALA ALA 185 254 H H 4 SEQCRD A G GLY GLY 186 255 C C 4 SEQCRD A I ILE ILE 187 256 C C 4 SEQCRD A V VAL VAL 188 257 E E 4 SEQCRD A I ILE ILE 189 258 E E 4 SEQCRD A V VAL VAL 190 259 E E 4 SEQCRD A A ALA ALA 191 260 E E 4 SEQCRD A A ALA ALA 192 261 E E 4 SEQCRD A S SER SER 193 262 C C 4 SEQCRD A G GLY GLY 194 263 C C 4 SEQCRD A N ASN ASN 195 264 C C 4 SEQCRD A E GLU GLU 196 265 C C 4 SEQCRD A G GLY GLY 197 266 C C 4 SEQCRD A A ALA ALA 198 267 C C 4 SEQCRD A P PRO PRO 199 268 C C 4 SEQCRD A S SER SER 200 269 C C 4 SEQCRD A P PRO PRO 201 270 C C 4 SEQCRD A S SER SER 202 271 C T 45 SEQCRD A Y TYR TYR 203 272 C B 45 SEQCRD A P PRO PRO 204 273 C T 45 SEQCRD A A ALA ALA 205 274 C T 45 SEQCRD A A ALA ALA 206 275 C T 45 SEQCRD A Y TYR TYR 207 276 C T 45 SEQCRD A P PRO PRO 208 277 C T 45 SEQCRD A E GLU GLU 209 278 C T 45 SEQCRD A V VAL VAL 210 279 E T 45 SEQCRD A I ILE ILE 211 280 E E 4 SEQCRD A A ALA ALA 212 281 E E 4 SEQCRD A V VAL VAL 213 282 E E 4 SEQCRD A G GLY GLY 214 283 E E 4 SEQCRD A A ALA ALA 215 284 E E 4 SEQCRD A I ILE ILE 216 285 E E 4 SEQCRD A D ASP ASP 217 286 C T 45 SEQCRD A S SER SER 218 287 C T 45 SEQCRD A N ASN ASN 219 288 C T 45 SEQCRD A D ASP ASP 220 289 C T 45 SEQCRD A N ASN ASN 221 290 C C 4 SEQCRD A I ILE ILE 222 291 C B 45 SEQCRD A A ALA ALA 223 292 C T 45 SEQCRD A S SER SER 224 293 C T 45 SEQCRD A F PHE PHE 225 294 C T 45 SEQCRD A S SER SER 226 295 C T 45 SEQCRD A N ASN ASN 227 296 C C 4 SEQCRD A R ARG ARG 228 297 C C 4 SEQCRD A Q GLN GLN 229 298 C C 4 SEQCRD A P PRO PRO 230 299 C T 45 SEQCRD A E GLU GLU 231 300 C T 45 SEQCRD A V VAL VAL 232 301 E E 4 SEQCRD A S SER SER 233 302 E E 4 SEQCRD A A ALA ALA 234 303 E E 4 SEQCRD A P PRO PRO 235 304 E E 4 SEQCRD A G GLY GLY 236 305 C T 45 SEQCRD A V VAL VAL 237 306 C T 45 SEQCRD A D ASP ASP 238 307 C T 45 SEQCRD A I ILE ILE 239 308 E E 4 SEQCRD A L LEU LEU 240 309 E E 4 SEQCRD A S SER SER 241 310 E E 4 SEQCRD A T THR THR 242 311 E E 4 SEQCRD A Y TYR TYR 243 312 E E 4 SEQCRD A P PRO PRO 244 313 C T 45 SEQCRD A D ASP ASP 245 314 C T 45 SEQCRD A D ASP ASP 246 315 C T 45 SEQCRD A S SER SER 247 316 E E 4 SEQCRD A Y TYR TYR 248 317 E E 4 SEQCRD A E GLU GLU 249 318 E E 4 SEQCRD A T THR THR 250 319 E E 4 SEQCRD A L LEU LEU 251 320 E E 4 SEQCRD A M MET MET 252 321 C C 4 SEQCRD A G GLY GLY 253 322 H C 45 SEQCRD A T THR THR 254 323 H H 4 SEQCRD A A ALA ALA 255 324 H H 4 SEQCRD A M MET MET 256 325 H H 4 SEQCRD A A ALA ALA 257 326 H H 4 SEQCRD A T THR THR 258 327 H H 4 SEQCRD A P PRO PRO 259 328 H H 4 SEQCRD A H HIS HIS 260 329 H H 4 SEQCRD A V VAL VAL 261 330 H H 4 SEQCRD A S SER SER 262 331 H H 4 SEQCRD A G GLY GLY 263 332 H H 4 SEQCRD A V VAL VAL 264 333 H H 4 SEQCRD A V VAL VAL 265 334 H H 4 SEQCRD A A ALA ALA 266 335 H H 4 SEQCRD A L LEU LEU 267 336 H H 4 SEQCRD A I ILE ILE 268 337 H H 4 SEQCRD A Q GLN GLN 269 338 H H 4 SEQCRD A A ALA ALA 270 339 H H 4 SEQCRD A A ALA ALA 271 340 H H 4 SEQCRD A Y TYR TYR 272 341 H H 4 SEQCRD A Y TYR TYR 273 342 H H 4 SEQCRD A Q GLN GLN 274 343 H H 4 SEQCRD A K LYS LYS 275 344 H H 4 SEQCRD A Y TYR TYR 276 345 H H 4 SEQCRD A G GLY GLY 277 346 H C 45 SEQCRD A K LYS LYS 278 347 C C 4 SEQCRD A I ILE ILE 279 348 C C 4 SEQCRD A L LEU LEU 280 349 C C 4 SEQCRD A P PRO PRO 281 350 C C 4 SEQCRD A V VAL VAL 282 351 C C 4 SEQCRD A G GLY GLY 283 352 C C 4 SEQCRD A T THR THR 284 353 C T 45 SEQCRD A F PHE PHE 285 354 C T 45 SEQCRD A D ASP ASP 286 355 C T 45 SEQCRD A D ASP ASP 287 356 C T 45 SEQCRD A I ILE ILE 288 357 C C 4 SEQCRD A S SER SER 289 358 C T 45 SEQCRD A K LYS LYS 290 359 C T 45 SEQCRD A N ASN ASN 291 360 C T 45 SEQCRD A T THR THR 292 361 H T 45 SEQCRD A V VAL VAL 293 362 H H 4 SEQCRD A R ARG ARG 294 363 H H 4 SEQCRD A G GLY GLY 295 364 H H 4 SEQCRD A I ILE ILE 296 365 H H 4 SEQCRD A L LEU LEU 297 366 H H 4 SEQCRD A H HIS HIS 298 367 H H 4 SEQCRD A I ILE ILE 299 368 H H 4 SEQCRD A T THR THR 300 369 H H 4 SEQCRD A A ALA ALA 301 370 H C 45 SEQCRD A D ASP ASP 302 371 C B 45 SEQCRD A D ASP ASP 303 372 C C 4 SEQCRD A L LEU LEU 304 373 C C 4 SEQCRD A G GLY GLY 305 374 C C 4 SEQCRD A P PRO PRO 306 375 C C 4 SEQCRD A T THR THR 307 376 C C 4 SEQCRD A G GLY GLY 308 377 C C 4 SEQCRD A W TRP TRP 309 378 C C 4 SEQCRD A D ASP ASP 310 379 C B 45 SEQCRD A A ALA ALA 311 380 C T 45 SEQCRD A D ASP ASP 312 381 C T 45 SEQCRD A Y TYR TYR 313 382 C T 45 SEQCRD A G GLY GLY 314 383 C B 45 SEQCRD A Y TYR TYR 315 384 C T 45 SEQCRD A G GLY GLY 316 385 C T 45 SEQCRD A V VAL VAL 317 386 C B 45 SEQCRD A V VAL VAL 318 387 C C 4 SEQCRD A R ARG ARG 319 388 H C 45 SEQCRD A A ALA ALA 320 389 H H 4 SEQCRD A A ALA ALA 321 390 H H 4 SEQCRD A L LEU LEU 322 391 H H 4 SEQCRD A A ALA ALA 323 392 H H 4 SEQCRD A V VAL VAL 324 393 H H 4 SEQCRD A Q GLN GLN 325 394 H H 4 SEQCRD A A ALA ALA 326 395 H H 4 SEQCRD A A ALA ALA 327 396 H H 4 SEQCRD A L LEU LEU 328 397 H H 4 SEQCRD A G GLY GLY 329 398 H C 45 COMMNT S2CERR 1 0 No standard amino acid code S2CERR 2 0 SEQRES and ATOM residue names differ S2CERR 3 13 No ATOM record S2CERR 4 320 SEQRES and ATOM residue numbers differ S2CERR 5 154 PDB and STRIDE secondary structures differ S2CERR 6 13 PDB secondary structure is absent S2CERR 7 13 STRIDE secondary structure is absent COMMNT COMMNT Crystallographic technical parameters: PARAME method 'X-RAY DIFFRACTION' PARAME resolution 1.83 PARAME R-factor 0.22103 PARAME B-factor 27.100 COMMNT COMMNT Reference database information: DATABA source: DATABA UNP: TKSU_PYRKO (P58502) DATABA UNP: TKSU_PYRKO (P58502) COMMNT DATABA mutation: DATABA ALA A 255 --> SER 348 'ENGINEERED MUTATION' DATABA PRO B 69 --> LEU 93 'ENGINEERED MUTATION'