0.006349 0.000000 0.000000 0.000000 0.011792 0.000000 0.000000 0.000000 0.012788 0.00000 0.00000 0.00000 CIS PROLINE - PRO 140 CIS PROLINE - PRO 196 Schumacher, C. Ringe, D. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 8 90.00 90.00 90.00 157.500 84.800 78.200 C3 H7 N O2 89.093 y ALANINE L-peptide linking C6 H15 N4 O2 1 175.209 y ARGININE L-peptide linking C4 H8 N2 O3 132.118 y ASPARAGINE L-peptide linking C4 H7 N O4 133.103 y ASPARTIC ACID L-peptide linking C3 H7 N O2 S 121.158 y CYSTEINE L-peptide linking C5 H10 N2 O3 146.144 y GLUTAMINE L-peptide linking C5 H9 N O4 147.129 y GLUTAMIC ACID L-peptide linking C2 H5 N O2 75.067 y GLYCINE peptide linking C6 H10 N3 O2 1 156.162 y HISTIDINE L-peptide linking H2 O 18.015 WATER non-polymer C6 H13 N O2 131.173 y ISOLEUCINE L-peptide linking C6 H13 N O2 131.173 y LEUCINE L-peptide linking C6 H15 N2 O2 1 147.195 y LYSINE L-peptide linking C4 H4 O4 116.072 MALEIC ACID non-polymer C5 H11 N O2 S 149.211 y METHIONINE L-peptide linking C9 H11 N O2 165.189 y PHENYLALANINE L-peptide linking C8 H10 N O6 P 247.142 PYRIDOXAL-5'-PHOSPHATE VITAMIN B6 Phosphate non-polymer C5 H9 N O2 115.130 y PROLINE L-peptide linking C3 H7 N O3 105.093 y SERINE L-peptide linking C4 H9 N O3 119.119 y THREONINE L-peptide linking C11 H12 N2 O2 204.225 y TRYPTOPHAN L-peptide linking C9 H11 N O3 181.189 y TYROSINE L-peptide linking C5 H11 N O2 117.146 y VALINE L-peptide linking To be Published 0353 The Structural Basis for the Reduced Activity of the Y226F(Y225F) Active Site Mutant of E. Coli Aspartate Aminotransferase To be Published 0353 The Structural Basis for the Altered Substrate Specificity of the R292D Active Site Mutant of Aspartate Aminotransferase from E. Coli US Biochemistry BICHAW 0033 0006-2960 30 1980 Activity and Structure of the Active Site Mutants R386Y and R386F of Escherichia Coli Aspartate Aminotransferase 1991 US Biochemistry BICHAW 0033 0006-2960 28 8161 2.8 Angstroms Resolution Crystal Structure of an Active Site Mutant of Aspartate Aminotransferase from Escherichia Coli 1989 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 1 x-ray 1 1.0 43619.215 ASPARTATE AMINOTRANSFERASE 2.6.1.1 1 man polymer 247.142 PYRIDOXAL-5'-PHOSPHATE 1 syn non-polymer 116.072 MALEIC ACID 1 syn non-polymer 18.015 water 16 nat water no no MFENITAAPADPILGLADLFRADERPGKINLGIGVYKDETGKTPVLTSVKKAEQYLLENETTKNYLGIDGIPEFGRCTQE LLFGKGSALINDKRARTAQTPGGTGALRVAADFLAKNTSVKRVWVSNPSWPNHKSVFNSAGLEVREYAYYDAENHTLDFD ALINSLNEAQAGDVVLFHGCCHNPTGIDPTLEQWQTLAQLSVEKGWLPLFDFAYQGFARGLEEDAEGLRAFAAMHKELIV ASSYSKNFGLYNERVGACTLVAADSETVDRAFSQMKAAIRANYSNPPAHGASVVATILSNDALRAIWEQELTDMRQRIQR MRQLFVNTLQEKGANRDFSFIIKQNGMFSFSGLTKEQVLRLREEFGVYAVASGRVNVAGMTPDNMAPLCEAIVAVL MFENITAAPADPILGLADLFRADERPGKINLGIGVYKDETGKTPVLTSVKKAEQYLLENETTKNYLGIDGIPEFGRCTQE LLFGKGSALINDKRARTAQTPGGTGALRVAADFLAKNTSVKRVWVSNPSWPNHKSVFNSAGLEVREYAYYDAENHTLDFD ALINSLNEAQAGDVVLFHGCCHNPTGIDPTLEQWQTLAQLSVEKGWLPLFDFAYQGFARGLEEDAEGLRAFAAMHKELIV ASSYSKNFGLYNERVGACTLVAADSETVDRAFSQMKAAIRANYSNPPAHGASVVATILSNDALRAIWEQELTDMRQRIQR MRQLFVNTLQEKGANRDFSFIIKQNGMFSFSGLTKEQVLRLREEFGVYAVASGRVNVAGMTPDNMAPLCEAIVAVL A polypeptide(L) n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n Escherichia Escherichia sample 562 Escherichia coli 562 Escherichia coli 2.99 58.89 repository Initial release Version format compliance Derived calculations Version format compliance 1 0 1994-04-30 1 1 2008-03-03 1 2 2011-07-13 Y 1993-08-27 REL PLP PYRIDOXAL-5'-PHOSPHATE MAE MALEIC ACID HOH water HET GROUP PLP 258 IS BOUND TO LYS 258 FORMING A PROTONATED SCHIFF BASE LINKAGE (BETWEEN NZ LYS 258 AND C4A PLP 258). PLP 258 2 PLP PLP 409 A MAE 410 3 MAE MAE 410 A HOH 500 4 HOH HOH 500 A HOH 501 4 HOH HOH 501 A HOH 502 4 HOH HOH 502 A HOH 503 4 HOH HOH 503 A HOH 504 4 HOH HOH 504 A HOH 505 4 HOH HOH 505 A HOH 506 4 HOH HOH 506 A HOH 507 4 HOH HOH 507 A HOH 508 4 HOH HOH 508 A HOH 509 4 HOH HOH 509 A HOH 510 4 HOH HOH 510 A HOH 511 4 HOH HOH 511 A HOH 512 4 HOH HOH 512 A HOH 513 4 HOH HOH 513 A HOH 514 4 HOH HOH 514 A HOH 515 4 HOH HOH 515 A MET 13 n 1 MET 13 A PHE 14 n 2 PHE 14 A GLU 15 n 3 GLU 15 A ASN 16 n 4 ASN 16 A ILE 17 n 5 ILE 17 A THR 18 n 6 THR 18 A ALA 19 n 7 ALA 19 A ALA 20 n 8 ALA 20 A PRO 21 n 9 PRO 21 A ALA 22 n 10 ALA 22 A ASP 23 n 11 ASP 23 A PRO 24 n 12 PRO 24 A ILE 25 n 13 ILE 25 A LEU 26 n 14 LEU 26 A GLY 27 n 15 GLY 27 A LEU 28 n 16 LEU 28 A ALA 29 n 17 ALA 29 A ASP 30 n 18 ASP 30 A LEU 31 n 19 LEU 31 A PHE 32 n 20 PHE 32 A ARG 33 n 21 ARG 33 A ALA 34 n 22 ALA 34 A ASP 35 n 23 ASP 35 A GLU 36 n 24 GLU 36 A ARG 37 n 25 ARG 37 A PRO 38 n 26 PRO 38 A GLY 39 n 27 GLY 39 A LYS 40 n 28 LYS 40 A ILE 41 n 29 ILE 41 A ASN 42 n 30 ASN 42 A LEU 43 n 31 LEU 43 A GLY 44 n 32 GLY 44 A ILE 45 n 33 ILE 45 A GLY 46 n 34 GLY 46 A VAL 47 n 35 VAL 47 A TYR 48 n 36 TYR 48 A LYS 49 n 37 LYS 49 A ASP 50 n 38 ASP 50 A GLU 51 n 39 GLU 51 A THR 52 n 40 THR 52 A GLY 53 n 41 GLY 53 A LYS 54 n 42 LYS 54 A THR 55 n 43 THR 55 A PRO 56 n 44 PRO 56 A VAL 57 n 45 VAL 57 A LEU 58 n 46 LEU 58 A THR 59 n 47 THR 59 A SER 60 n 48 SER 60 A VAL 61 n 49 VAL 61 A LYS 62 n 50 LYS 62 A LYS 63 n 51 LYS 63 A ALA 64 n 52 ALA 64 A GLU 65 n 53 GLU 65 A GLN 66 n 54 GLN 66 A TYR 67 n 55 TYR 67 A LEU 68 n 56 LEU 68 A LEU 69 n 57 LEU 69 A GLU 70 n 58 GLU 70 A ASN 71 n 59 ASN 71 A GLU 72 n 60 GLU 72 A THR 73 n 61 THR 73 A THR 74 n 62 THR 74 A LYS 75 n 63 LYS 75 A ASN 76 n 64 ASN 76 A TYR 77 n 65 TYR 77 A LEU 78 n 66 LEU 78 A GLY 79 n 67 GLY 79 A ILE 80 n 68 ILE 80 A ASP 81 n 69 ASP 81 A GLY 82 n 70 GLY 82 A ILE 83 n 71 ILE 83 A PRO 84 n 72 PRO 84 A GLU 85 n 73 GLU 85 A PHE 86 n 74 PHE 86 A GLY 87 n 75 GLY 87 A ARG 88 n 76 ARG 88 A CYS 89 n 77 CYS 89 A THR 90 n 78 THR 90 A GLN 91 n 79 GLN 91 A GLU 92 n 80 GLU 92 A LEU 93 n 81 LEU 93 A LEU 94 n 82 LEU 94 A PHE 95 n 83 PHE 95 A GLY 96 n 84 GLY 96 A LYS 97 n 85 LYS 97 A GLY 98 n 86 GLY 98 A SER 99 n 87 SER 99 A ALA 100 n 88 ALA 100 A LEU 101 n 89 LEU 101 A ILE 102 n 90 ILE 102 A ASN 103 n 91 ASN 103 A ASP 104 n 92 ASP 104 A LYS 105 n 93 LYS 105 A ARG 106 n 94 ARG 106 A ALA 107 n 95 ALA 107 A ARG 108 n 96 ARG 108 A THR 109 n 97 THR 109 A ALA 110 n 98 ALA 110 A GLN 111 n 99 GLN 111 A THR 112 n 100 THR 112 A PRO 113 n 101 PRO 113 A GLY 114 n 102 GLY 114 A GLY 115 n 103 GLY 115 A THR 116 n 104 THR 116 A GLY 117 n 105 GLY 117 A ALA 118 n 106 ALA 118 A LEU 119 n 107 LEU 119 A ARG 120 n 108 ARG 120 A VAL 121 n 109 VAL 121 A ALA 122 n 110 ALA 122 A ALA 123 n 111 ALA 123 A ASP 124 n 112 ASP 124 A PHE 125 n 113 PHE 125 A LEU 126 n 114 LEU 126 A ALA 127 n 115 ALA 127 A LYS 128 n 116 LYS 128 A ASN 129 n 117 ASN 129 A THR 130 n 118 THR 130 A SER 131 n 119 SER 131 A VAL 132 n 120 VAL 132 A LYS 133 n 121 LYS 133 A ARG 134 n 122 ARG 134 A VAL 135 n 123 VAL 135 A TRP 136 n 124 TRP 136 A VAL 137 n 125 VAL 137 A SER 138 n 126 SER 138 A ASN 139 n 127 ASN 139 A PRO 140 n 128 PRO 140 A SER 141 n 129 SER 141 A TRP 142 n 130 TRP 142 A PRO 143 n 131 PRO 143 A ASN 144 n 132 ASN 144 A HIS 145 n 133 HIS 145 A LYS 146 n 134 LYS 146 A SER 147 n 135 SER 147 A VAL 148 n 136 VAL 148 A PHE 149 n 137 PHE 149 A ASN 150 n 138 ASN 150 A SER 151 n 139 SER 151 A ALA 152 n 140 ALA 152 A GLY 153 n 141 GLY 153 A LEU 154 n 142 LEU 154 A GLU 155 n 143 GLU 155 A VAL 156 n 144 VAL 156 A ARG 157 n 145 ARG 157 A GLU 158 n 146 GLU 158 A TYR 159 n 147 TYR 159 A ALA 160 n 148 ALA 160 A TYR 161 n 149 TYR 161 A TYR 162 n 150 TYR 162 A ASP 163 n 151 ASP 163 A ALA 164 n 152 ALA 164 A GLU 165 n 153 GLU 165 A ASN 166 n 154 ASN 166 A HIS 167 n 155 HIS 167 A THR 168 n 156 THR 168 A LEU 169 n 157 LEU 169 A ASP 170 n 158 ASP 170 A PHE 171 n 159 PHE 171 A ASP 172 n 160 ASP 172 A ALA 173 n 161 ALA 173 A LEU 174 n 162 LEU 174 A ILE 175 n 163 ILE 175 A ASN 176 n 164 ASN 176 A SER 177 n 165 SER 177 A LEU 178 n 166 LEU 178 A ASN 179 n 167 ASN 179 A GLU 180 n 168 GLU 180 A ALA 181 n 169 ALA 181 A GLN 182 n 170 GLN 182 A ALA 183 n 171 ALA 183 A GLY 184 n 172 GLY 184 A ASP 185 n 173 ASP 185 A VAL 186 n 174 VAL 186 A VAL 187 n 175 VAL 187 A LEU 188 n 176 LEU 188 A PHE 189 n 177 PHE 189 A HIS 190 n 178 HIS 190 A GLY 191 n 179 GLY 191 A CYS 192 n 180 CYS 192 A CYS 193 n 181 CYS 193 A HIS 194 n 182 HIS 194 A ASN 195 n 183 ASN 195 A PRO 196 n 184 PRO 196 A THR 197 n 185 THR 197 A GLY 198 n 186 GLY 198 A ILE 199 n 187 ILE 199 A ASP 200 n 188 ASP 200 A PRO 201 n 189 PRO 201 A THR 202 n 190 THR 202 A LEU 203 n 191 LEU 203 A GLU 204 n 192 GLU 204 A GLN 205 n 193 GLN 205 A TRP 206 n 194 TRP 206 A GLN 207 n 195 GLN 207 A THR 208 n 196 THR 208 A LEU 209 n 197 LEU 209 A ALA 210 n 198 ALA 210 A GLN 211 n 199 GLN 211 A LEU 212 n 200 LEU 212 A SER 213 n 201 SER 213 A VAL 214 n 202 VAL 214 A GLU 215 n 203 GLU 215 A LYS 216 n 204 LYS 216 A GLY 217 n 205 GLY 217 A TRP 218 n 206 TRP 218 A LEU 219 n 207 LEU 219 A PRO 220 n 208 PRO 220 A LEU 221 n 209 LEU 221 A PHE 222 n 210 PHE 222 A ASP 223 n 211 ASP 223 A PHE 224 n 212 PHE 224 A ALA 225 n 213 ALA 225 A TYR 226 n 214 TYR 226 A GLN 227 n 215 GLN 227 A GLY 228 n 216 GLY 228 A PHE 229 n 217 PHE 229 A ALA 230 n 218 ALA 230 A ARG 231 n 219 ARG 231 A GLY 232 n 220 GLY 232 A LEU 233 n 221 LEU 233 A GLU 234 n 222 GLU 234 A GLU 235 n 223 GLU 235 A ASP 236 n 224 ASP 236 A ALA 237 n 225 ALA 237 A GLU 238 n 226 GLU 238 A GLY 239 n 227 GLY 239 A LEU 240 n 228 LEU 240 A ARG 241 n 229 ARG 241 A ALA 242 n 230 ALA 242 A PHE 243 n 231 PHE 243 A ALA 244 n 232 ALA 244 A ALA 245 n 233 ALA 245 A MET 246 n 234 MET 246 A HIS 247 n 235 HIS 247 A LYS 248 n 236 LYS 248 A GLU 249 n 237 GLU 249 A LEU 250 n 238 LEU 250 A ILE 251 n 239 ILE 251 A VAL 252 n 240 VAL 252 A ALA 253 n 241 ALA 253 A SER 254 n 242 SER 254 A SER 255 n 243 SER 255 A TYR 256 n 244 TYR 256 A SER 257 n 245 SER 257 A LYS 258 n 246 LYS 258 A ASN 259 n 247 ASN 259 A PHE 260 n 248 PHE 260 A GLY 261 n 249 GLY 261 A LEU 262 n 250 LEU 262 A TYR 263 n 251 TYR 263 A ASN 264 n 252 ASN 264 A GLU 265 n 253 GLU 265 A ARG 266 n 254 ARG 266 A VAL 267 n 255 VAL 267 A GLY 268 n 256 GLY 268 A ALA 269 n 257 ALA 269 A CYS 270 n 258 CYS 270 A THR 271 n 259 THR 271 A LEU 272 n 260 LEU 272 A VAL 273 n 261 VAL 273 A ALA 274 n 262 ALA 274 A ALA 275 n 263 ALA 275 A ASP 276 n 264 ASP 276 A SER 277 n 265 SER 277 A GLU 278 n 266 GLU 278 A THR 279 n 267 THR 279 A VAL 280 n 268 VAL 280 A ASP 281 n 269 ASP 281 A ARG 282 n 270 ARG 282 A ALA 283 n 271 ALA 283 A PHE 284 n 272 PHE 284 A SER 285 n 273 SER 285 A GLN 286 n 274 GLN 286 A MET 287 n 275 MET 287 A LYS 288 n 276 LYS 288 A ALA 289 n 277 ALA 289 A ALA 290 n 278 ALA 290 A ILE 291 n 279 ILE 291 A ARG 292 n 280 ARG 292 A ALA 293 n 281 ALA 293 A ASN 294 n 282 ASN 294 A TYR 295 n 283 TYR 295 A SER 296 n 284 SER 296 A ASN 297 n 285 ASN 297 A PRO 298 n 286 PRO 298 A PRO 299 n 287 PRO 299 A ALA 300 n 288 ALA 300 A HIS 301 n 289 HIS 301 A GLY 302 n 290 GLY 302 A ALA 303 n 291 ALA 303 A SER 304 n 292 SER 304 A VAL 305 n 293 VAL 305 A VAL 306 n 294 VAL 306 A ALA 307 n 295 ALA 307 A THR 308 n 296 THR 308 A ILE 309 n 297 ILE 309 A LEU 310 n 298 LEU 310 A SER 311 n 299 SER 311 A ASN 312 n 300 ASN 312 A ASP 313 n 301 ASP 313 A ALA 314 n 302 ALA 314 A LEU 315 n 303 LEU 315 A ARG 316 n 304 ARG 316 A ALA 317 n 305 ALA 317 A ILE 318 n 306 ILE 318 A TRP 319 n 307 TRP 319 A GLU 320 n 308 GLU 320 A GLN 321 n 309 GLN 321 A GLU 322 n 310 GLU 322 A LEU 323 n 311 LEU 323 A THR 324 n 312 THR 324 A ASP 325 n 313 ASP 325 A MET 326 n 314 MET 326 A ARG 327 n 315 ARG 327 A GLN 328 n 316 GLN 328 A ARG 329 n 317 ARG 329 A ILE 330 n 318 ILE 330 A GLN 331 n 319 GLN 331 A ARG 332 n 320 ARG 332 A MET 333 n 321 MET 333 A ARG 334 n 322 ARG 334 A GLN 335 n 323 GLN 335 A LEU 336 n 324 LEU 336 A PHE 337 n 325 PHE 337 A VAL 338 n 326 VAL 338 A ASN 339 n 327 ASN 339 A THR 340 n 328 THR 340 A LEU 341 n 329 LEU 341 A GLN 342 n 330 GLN 342 A GLU 343 n 331 GLU 343 A LYS 344 n 332 LYS 344 A GLY 345 n 333 GLY 345 A ALA 346 n 334 ALA 346 A ASN 347 n 335 ASN 347 A ARG 348 n 336 ARG 348 A ASP 349 n 337 ASP 349 A PHE 350 n 338 PHE 350 A SER 351 n 339 SER 351 A PHE 352 n 340 PHE 352 A ILE 353 n 341 ILE 353 A ILE 354 n 342 ILE 354 A LYS 355 n 343 LYS 355 A GLN 356 n 344 GLN 356 A ASN 357 n 345 ASN 357 A GLY 358 n 346 GLY 358 A MET 359 n 347 MET 359 A PHE 360 n 348 PHE 360 A SER 361 n 349 SER 361 A PHE 362 n 350 PHE 362 A SER 363 n 351 SER 363 A GLY 364 n 352 GLY 364 A LEU 365 n 353 LEU 365 A THR 366 n 354 THR 366 A LYS 367 n 355 LYS 367 A GLU 368 n 356 GLU 368 A GLN 369 n 357 GLN 369 A VAL 370 n 358 VAL 370 A LEU 371 n 359 LEU 371 A ARG 372 n 360 ARG 372 A LEU 373 n 361 LEU 373 A ARG 374 n 362 ARG 374 A GLU 375 n 363 GLU 375 A GLU 376 n 364 GLU 376 A PHE 377 n 365 PHE 377 A GLY 378 n 366 GLY 378 A VAL 379 n 367 VAL 379 A TYR 380 n 368 TYR 380 A ALA 381 n 369 ALA 381 A VAL 382 n 370 VAL 382 A ALA 383 n 371 ALA 383 A SER 384 n 372 SER 384 A GLY 385 n 373 GLY 385 A ARG 386 n 374 ARG 386 A VAL 387 n 375 VAL 387 A ASN 388 n 376 ASN 388 A VAL 389 n 377 VAL 389 A ALA 390 n 378 ALA 390 A GLY 391 n 379 GLY 391 A MET 392 n 380 MET 392 A THR 393 n 381 THR 393 A PRO 394 n 382 PRO 394 A ASP 395 n 383 ASP 395 A ASN 396 n 384 ASN 396 A MET 397 n 385 MET 397 A ALA 398 n 386 ALA 398 A PRO 399 n 387 PRO 399 A LEU 400 n 388 LEU 400 A CYS 401 n 389 CYS 401 A GLU 402 n 390 GLU 402 A ALA 403 n 391 ALA 403 A ILE 404 n 392 ILE 404 A VAL 405 n 393 VAL 405 A ALA 406 n 394 ALA 406 A VAL 407 n 395 VAL 407 A LEU 408 n 396 LEU 408 A author_and_software_defined_assembly PISA,PQS 2 dimeric 8290 -18 28360 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 1_555 x,y,z identity operation 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 4_557 x,-y,-z+2 crystal symmetry operation 0.0000000000 0.0000000000 156.4000000000 A O PRO 113 A O PRO 101 A N VAL 267 A N VAL 255 A O VAL 267 A O VAL 255 A N LEU 250 A N LEU 238 A O SER 255 A O SER 243 A N PHE 224 A N PHE 212 A O ASP 223 A O ASP 211 A N HIS 190 A N HIS 178 A O VAL 187 A O VAL 175 A N TRP 136 A N TRP 124 A O TRP 136 A O TRP 124 A N ARG 157 A N ARG 145 A O PHE 360 A O PHE 348 A N ASN 388 A N ASN 376 1 3.42 0.50 120.30 123.72 A A A NE CZ NH2 ARG ARG ARG 33 33 33 N 1 3.03 0.50 120.30 123.33 A A A NE CZ NH1 ARG ARG ARG 37 37 37 N 1 18.54 2.20 117.20 135.74 A A A CA C N ASN ASN LEU 42 42 43 Y 1 4.16 0.50 120.30 124.46 A A A NE CZ NH1 ARG ARG ARG 106 106 106 N 1 3.00 0.50 120.30 123.30 A A A NE CZ NH1 ARG ARG ARG 108 108 108 N 1 -3.08 0.50 120.30 117.22 A A A NE CZ NH2 ARG ARG ARG 108 108 108 N 1 6.27 0.80 106.30 112.57 A A A CD1 CG CD2 TRP TRP TRP 136 136 136 N 1 -5.75 0.80 107.30 101.55 A A A CE2 CD2 CG TRP TRP TRP 136 136 136 N 1 5.53 0.90 133.90 139.43 A A A CG CD2 CE3 TRP TRP TRP 136 136 136 N 1 5.91 0.80 106.30 112.21 A A A CD1 CG CD2 TRP TRP TRP 142 142 142 N 1 -5.69 0.80 107.30 101.61 A A A CE2 CD2 CG TRP TRP TRP 142 142 142 N 1 -9.09 1.50 110.50 101.41 A A A N CA CB SER SER SER 147 147 147 N 1 3.01 0.50 120.30 123.31 A A A NE CZ NH1 ARG ARG ARG 157 157 157 N 1 5.99 0.80 106.30 112.29 A A A CD1 CG CD2 TRP TRP TRP 218 218 218 N 1 -5.09 0.80 107.30 102.21 A A A CE2 CD2 CG TRP TRP TRP 218 218 218 N 1 15.19 2.30 115.30 130.49 A A A CA CB CG LEU LEU LEU 250 250 250 N 1 -3.90 0.60 121.00 117.10 A A A CB CG CD1 TYR TYR TYR 263 263 263 N 1 4.86 0.50 120.30 125.16 A A A NE CZ NH1 ARG ARG ARG 266 266 266 N 1 -7.20 0.50 120.30 113.10 A A A NE CZ NH2 ARG ARG ARG 266 266 266 N 1 6.10 0.90 118.30 124.40 A A A CB CG OD1 ASP ASP ASP 281 281 281 N 1 5.46 0.50 120.30 125.76 A A A NE CZ NH1 ARG ARG ARG 282 282 282 N 1 -11.88 1.60 100.20 88.32 A A A CG SD CE MET MET MET 287 287 287 N 1 17.91 2.20 117.20 135.11 A A A CA C N TYR TYR SER 295 295 296 Y 1 -12.02 1.60 122.70 110.68 A A A O C N TYR TYR SER 295 295 296 Y 1 6.88 0.80 106.30 113.18 A A A CD1 CG CD2 TRP TRP TRP 319 319 319 N 1 -6.25 0.80 107.30 101.05 A A A CE2 CD2 CG TRP TRP TRP 319 319 319 N 1 5.73 0.50 120.30 126.03 A A A NE CZ NH1 ARG ARG ARG 332 332 332 N 1 4.72 0.50 120.30 125.02 A A A NE CZ NH1 ARG ARG ARG 348 348 348 N 1 -12.92 1.60 110.90 97.98 A A A CG1 CB CG2 VAL VAL VAL 407 407 407 N 1 A A NE2 CD2 HIS HIS 145 145 -0.085 0.011 1.373 1.288 N 1 A A NE2 CD2 HIS HIS 167 167 -0.069 0.011 1.373 1.304 N 1 A A NE2 CD2 HIS HIS 190 190 -0.087 0.011 1.373 1.286 N 1 A A NE2 CD2 HIS HIS 301 301 -0.088 0.011 1.373 1.285 N 1 A ARG 33 -68.88 22.96 1 A LEU 43 40.90 8.05 1 A GLU 51 -36.00 -33.46 1 A LEU 58 -49.22 159.60 1 A TYR 161 -139.55 -54.67 1 A ASN 179 -57.09 -8.52 1 A CYS 193 48.29 70.65 1 A ALA 230 -94.72 -60.14 1 A TYR 263 -25.87 -59.27 1 A ARG 266 60.96 74.41 1 A ASN 294 -108.91 -86.89 1 A ALA 346 -29.52 126.21 0.1980000 0.1980000 2.4 1 2.4 16 3108 23 0 3069 0.016 3.3 model building X-PLOR refinement X-PLOR phasing X-PLOR ASPARTATE AMINOTRANSFERASE (E.C.2.6.1.1) WILD TYPE COMPLEXED WITH PYRIDOXAL-5'-PHOSPHATE AND MALEATE THE STRUCTURAL BASIS FOR THE REDUCED ACTIVITY OF THE Y226F(Y225F) ACTIVE SITE MUTANT OF E. COLI ASPARTATE AMINOTRANSFERASE 1 N N 2 N N 3 N N 4 N N THE MOLECULE IS A DIMER. TO GENERATE THE OTHER CHAIN ONE MUST APPLY THE CRYSTALLOGRAPHIC SYMMETRY OPERATION (X, Y, 156.4-Z) TO THE COORDINATES IN THIS ENTRY. A ASP 23 A ASP 11 HELX_P A ARG 33 A ARG 21 1 1 11 A THR 59 A THR 47 HELX_P A ASN 71 A ASN 59 1 2 13 A PRO 84 A PRO 72 HELX_P A PHE 95 A PHE 83 1 3 12 A THR 116 A THR 104 HELX_P A LEU 126 A LEU 114 1 4 11 A HIS 145 A HIS 133 HELX_P A SER 151 A SER 139 1 5 7 A PHE 171 A PHE 159 HELX_P A LEU 178 A LEU 166 1 6 8 A LEU 203 A LEU 191 HELX_P A LYS 216 A LYS 204 1 7 14 A LEU 233 A LEU 221 HELX_P A ALA 245 A ALA 233 1 8 13 A TYR 256 A TYR 244 HELX_P A ASN 259 A ASN 247 1 9 4 A TYR 263 A TYR 251 HELX_P A GLU 265 A GLU 253 5 10 3 A SER 277 A SER 265 HELX_P A ARG 292 A ARG 280 1 11 16 A ALA 300 A ALA 288 HELX_P A SER 311 A SER 299 1 12 12 A ASP 313 A ASP 301 HELX_P A GLU 343 A GLU 331 1 13 31 A SER 351 A SER 339 HELX_P A ILE 354 A ILE 342 5 14 4 A LYS 367 A LYS 355 HELX_P A ARG 372 A ARG 360 1 15 6 A MET 397 A MET 385 HELX_P A VAL 405 A VAL 393 1 16 9 covale 1.307 A LYS 258 A NZ LYS 246 1_555 A PLP 409 B C4A PLP 1_555 AMINOTRANSFERASE AMINOTRANSFERASE A ASN 139 A ASN 127 1 A PRO 140 A PRO 128 0.18 A ASN 195 A ASN 183 1 A PRO 196 A PRO 184 13.71 AAT_ECOLI UNP 1 1 P00509 MFENITAAPADPILGLADLFRADERPGKINLGIGVYKDETGKTPVLTSVKKAEQYLLENETTKNYLGIDGIPEFGRCTQE LLFGKGSALINDKRARTAQTPGGTGALRVAADFLAKNTSVKRVWVSNPSWPNHKSVFNSAGLEVREYAYYDAENHTLDFD ALINSLNEAQAGDVVLFHGCCHNPTGIDPTLEQWQTLAQLSVEKGWLPLFDFAYQGFARGLEEDAEGLRAFAAMHKELIV ASSYSKNFGLYNERVGACTLVAADSETVDRAFSQMKAAIRANYSNPPAHGASVVATILSNDALRAIWEQELTDMRQRIQR MRQLFVNTLQEKGANRDFSFIIKQNGMFSFSGLTKEQVLRLREEFGVYAVASGRVNVAGMTPDNMAPLCEAIVAVL 1 396 1ASA 13 408 P00509 A 1 1 396 7 2 anti-parallel anti-parallel parallel parallel parallel parallel anti-parallel A ALA 107 A ALA 95 A PRO 113 A PRO 101 A VAL 267 A VAL 255 A SER 277 A SER 265 A LEU 250 A LEU 238 A SER 255 A SER 243 A LEU 219 A LEU 207 A PHE 224 A PHE 212 A VAL 186 A VAL 174 A HIS 190 A HIS 178 A ARG 134 A ARG 122 A TRP 136 A TRP 124 A GLU 155 A GLU 143 A ARG 157 A ARG 145 A PHE 360 A PHE 348 A PHE 362 A PHE 350 A ARG 386 A ARG 374 A ASN 388 A ASN 376 Unknown 3 BINDING SITE FOR RESIDUE PLP A 409 Software 13 BINDING SITE FOR RESIDUE MAE A 410 Software 10 A LYS 258 A LYS 246 3 1_555 A ARG 386 A ARG 374 3 1_555 A ARG 292 A ARG 280 3 1_555 A TYR 77 A TYR 65 13 4_557 A GLY 114 A GLY 102 13 1_555 A GLY 115 A GLY 103 13 1_555 A THR 116 A THR 104 13 1_555 A TRP 142 A TRP 130 13 1_555 A ASN 195 A ASN 183 13 1_555 A ASP 223 A ASP 211 13 1_555 A TYR 226 A TYR 214 13 1_555 A SER 255 A SER 243 13 1_555 A SER 257 A SER 245 13 1_555 A LYS 258 A LYS 246 13 1_555 A ARG 266 A ARG 254 13 1_555 A MAE 410 C MAE 13 1_555 A ILE 25 A ILE 13 10 1_555 A GLY 46 A GLY 34 10 1_555 A TYR 77 A TYR 65 10 4_557 A TRP 142 A TRP 130 10 1_555 A ASN 195 A ASN 183 10 1_555 A LYS 258 A LYS 246 10 1_555 A ARG 292 A ARG 280 10 4_557 A ARG 386 A ARG 374 10 1_555 A PLP 409 B PLP 10 1_555 A HOH 515 D HOH 10 1_555 20 C 2 2 21