HEADER TRANSFERASE 26-SEP-25 9SSQ TITLE HUMAN METHIONINE SYNTHASE WITH METHYLTETRAHYDROFOLATE, C-HALF FROM TITLE 2 FULL-LENGTH COMPND MOL_ID: 1; COMPND 2 MOLECULE: METHIONINE SYNTHASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: MS,5-METHYLTETRAHYDROFOLATE--HOMOCYSTEINE METHYLTRANSFERASE, COMPND 5 COBALAMIN-DEPENDENT METHIONINE SYNTHASE,VITAMIN-B12 DEPENDENT COMPND 6 METHIONINE SYNTHASE; COMPND 7 EC: 2.1.1.13; COMPND 8 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: MTR; SOURCE 6 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 7108 KEYWDS METHIONINE, FOLATE, COBALAMIN, TRANSFERASE EXPDTA ELECTRON MICROSCOPY AUTHOR D.S.M.FERREIRA,W.W.YUE,T.J.MCCORVIE REVDAT 1 15-OCT-25 9SSQ 0 JRNL AUTH D.S.M.FERREIRA,W.W.YUE,T.J.MCCORVIE JRNL TITL STRUCTURAL INSIGHTS INTO COBALAMIN LOADING AND REACTIVATION JRNL TITL 2 OF HUMAN METHIONINE SYNTHASE JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 2.82 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : CRYOSPARC, CRYOSPARC, UCSF CHIMERAX, REMARK 3 ISOLDE, CRYOSPARC, CRYOSPARC, CRYOSPARC, REMARK 3 CRYOSPARC REMARK 3 RECONSTRUCTION SCHEMA : NULL REMARK 3 REMARK 3 EM MAP-MODEL FITTING AND REFINEMENT REMARK 3 PDB ENTRY : NULL REMARK 3 REFINEMENT SPACE : REAL REMARK 3 REFINEMENT PROTOCOL : FLEXIBLE FIT REMARK 3 REFINEMENT TARGET : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE : NULL REMARK 3 REMARK 3 FITTING PROCEDURE : NULL REMARK 3 REMARK 3 EM IMAGE RECONSTRUCTION STATISTICS REMARK 3 NOMINAL PIXEL SIZE (ANGSTROMS) : NULL REMARK 3 ACTUAL PIXEL SIZE (ANGSTROMS) : NULL REMARK 3 EFFECTIVE RESOLUTION (ANGSTROMS) : 2.820 REMARK 3 NUMBER OF PARTICLES : 100343 REMARK 3 CTF CORRECTION METHOD : PHASE FLIPPING AND AMPLITUDE REMARK 3 CORRECTION REMARK 3 REMARK 3 EM RECONSTRUCTION MAGNIFICATION CALIBRATION: NULL REMARK 3 REMARK 3 OTHER DETAILS: NULL REMARK 4 REMARK 4 9SSQ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 26-SEP-25. REMARK 100 THE DEPOSITION ID IS D_1292150981. REMARK 245 REMARK 245 EXPERIMENTAL DETAILS REMARK 245 RECONSTRUCTION METHOD : SINGLE PARTICLE REMARK 245 SPECIMEN TYPE : NULL REMARK 245 REMARK 245 ELECTRON MICROSCOPE SAMPLE REMARK 245 SAMPLE TYPE : PARTICLE REMARK 245 PARTICLE TYPE : POINT REMARK 245 NAME OF SAMPLE : HUMAN METHIONINE SYNTHASE WITH REMARK 245 METHYLTETRAHYDROFOLATE, C-HALF REMARK 245 FROM FULL-LENGTH REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : NULL REMARK 245 SAMPLE SUPPORT DETAILS : NULL REMARK 245 SAMPLE VITRIFICATION DETAILS : NULL REMARK 245 SAMPLE BUFFER : NULL REMARK 245 PH : 7.40 REMARK 245 SAMPLE DETAILS : NULL REMARK 245 REMARK 245 DATA ACQUISITION REMARK 245 DATE OF EXPERIMENT : NULL REMARK 245 NUMBER OF MICROGRAPHS-IMAGES : NULL REMARK 245 TEMPERATURE (KELVIN) : NULL REMARK 245 MICROSCOPE MODEL : TFS KRIOS REMARK 245 DETECTOR TYPE : GATAN K3 (6K X 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 600.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 2000.00 REMARK 245 MINIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 MAXIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 NOMINAL CS : NULL REMARK 245 IMAGING MODE : BRIGHT FIELD REMARK 245 ELECTRON DOSE (ELECTRONS NM**-2) : 6520.00 REMARK 245 ILLUMINATION MODE : FLOOD BEAM REMARK 245 NOMINAL MAGNIFICATION : 165000 REMARK 245 CALIBRATED MAGNIFICATION : NULL REMARK 245 SOURCE : FIELD EMISSION GUN REMARK 245 ACCELERATION VOLTAGE (KV) : 300 REMARK 245 IMAGING DETAILS : NULL REMARK 247 REMARK 247 ELECTRON MICROSCOPY REMARK 247 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM ELECTRON REMARK 247 MICROSCOPY DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE REMARK 247 THAT CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES REMARK 247 ON THESE RECORDS ARE MEANINGLESS EXCEPT FOR THE CALCULATION REMARK 247 OF THE STRUCTURE FACTORS. REMARK 300 REMARK 300 BIOMOLECULE: 1 REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON REMARK 300 BURIED SURFACE AREA. REMARK 350 REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS REMARK 350 GIVEN BELOW. BOTH NON-CRYSTALLOGRAPHIC AND REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN. REMARK 350 REMARK 350 BIOMOLECULE: 1 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 APPLY THE FOLLOWING TO CHAINS: A REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 MET A 1 REMARK 465 SER A 2 REMARK 465 PRO A 3 REMARK 465 ALA A 4 REMARK 465 LEU A 5 REMARK 465 GLN A 6 REMARK 465 ASP A 7 REMARK 465 LEU A 8 REMARK 465 SER A 9 REMARK 465 GLN A 10 REMARK 465 PRO A 11 REMARK 465 GLU A 12 REMARK 465 GLY A 13 REMARK 465 LEU A 14 REMARK 465 LYS A 15 REMARK 465 LYS A 16 REMARK 465 THR A 17 REMARK 465 LEU A 18 REMARK 465 ARG A 19 REMARK 465 ASP A 20 REMARK 465 GLU A 21 REMARK 465 ILE A 22 REMARK 465 ASN A 23 REMARK 465 ALA A 24 REMARK 465 ILE A 25 REMARK 465 LEU A 26 REMARK 465 GLN A 27 REMARK 465 LYS A 28 REMARK 465 ARG A 29 REMARK 465 ILE A 30 REMARK 465 MET A 31 REMARK 465 VAL A 32 REMARK 465 LEU A 33 REMARK 465 ASP A 34 REMARK 465 GLY A 35 REMARK 465 GLY A 36 REMARK 465 MET A 37 REMARK 465 GLY A 38 REMARK 465 THR A 39 REMARK 465 MET A 40 REMARK 465 ILE A 41 REMARK 465 GLN A 42 REMARK 465 ARG A 43 REMARK 465 GLU A 44 REMARK 465 LYS A 45 REMARK 465 LEU A 46 REMARK 465 ASN A 47 REMARK 465 GLU A 48 REMARK 465 GLU A 49 REMARK 465 HIS A 50 REMARK 465 PHE A 51 REMARK 465 ARG A 52 REMARK 465 GLY A 53 REMARK 465 GLN A 54 REMARK 465 GLU A 55 REMARK 465 PHE A 56 REMARK 465 LYS A 57 REMARK 465 ASP A 58 REMARK 465 HIS A 59 REMARK 465 ALA A 60 REMARK 465 ARG A 61 REMARK 465 PRO A 62 REMARK 465 LEU A 63 REMARK 465 LYS A 64 REMARK 465 GLY A 65 REMARK 465 ASN A 66 REMARK 465 ASN A 67 REMARK 465 ASP A 68 REMARK 465 ILE A 69 REMARK 465 LEU A 70 REMARK 465 SER A 71 REMARK 465 ILE A 72 REMARK 465 THR A 73 REMARK 465 GLN A 74 REMARK 465 PRO A 75 REMARK 465 ASP A 76 REMARK 465 VAL A 77 REMARK 465 ILE A 78 REMARK 465 TYR A 79 REMARK 465 GLN A 80 REMARK 465 ILE A 81 REMARK 465 HIS A 82 REMARK 465 LYS A 83 REMARK 465 GLU A 84 REMARK 465 TYR A 85 REMARK 465 LEU A 86 REMARK 465 LEU A 87 REMARK 465 ALA A 88 REMARK 465 GLY A 89 REMARK 465 ALA A 90 REMARK 465 ASP A 91 REMARK 465 ILE A 92 REMARK 465 ILE A 93 REMARK 465 GLU A 94 REMARK 465 THR A 95 REMARK 465 ASN A 96 REMARK 465 THR A 97 REMARK 465 PHE A 98 REMARK 465 SER A 99 REMARK 465 SER A 100 REMARK 465 THR A 101 REMARK 465 SER A 102 REMARK 465 ILE A 103 REMARK 465 ALA A 104 REMARK 465 GLN A 105 REMARK 465 ALA A 106 REMARK 465 ASP A 107 REMARK 465 TYR A 108 REMARK 465 GLY A 109 REMARK 465 LEU A 110 REMARK 465 GLU A 111 REMARK 465 HIS A 112 REMARK 465 LEU A 113 REMARK 465 ALA A 114 REMARK 465 TYR A 115 REMARK 465 ARG A 116 REMARK 465 MET A 117 REMARK 465 ASN A 118 REMARK 465 MET A 119 REMARK 465 CYS A 120 REMARK 465 SER A 121 REMARK 465 ALA A 122 REMARK 465 GLY A 123 REMARK 465 VAL A 124 REMARK 465 ALA A 125 REMARK 465 ARG A 126 REMARK 465 LYS A 127 REMARK 465 ALA A 128 REMARK 465 ALA A 129 REMARK 465 GLU A 130 REMARK 465 GLU A 131 REMARK 465 VAL A 132 REMARK 465 THR A 133 REMARK 465 LEU A 134 REMARK 465 GLN A 135 REMARK 465 THR A 136 REMARK 465 GLY A 137 REMARK 465 ILE A 138 REMARK 465 LYS A 139 REMARK 465 ARG A 140 REMARK 465 PHE A 141 REMARK 465 VAL A 142 REMARK 465 ALA A 143 REMARK 465 GLY A 144 REMARK 465 ALA A 145 REMARK 465 LEU A 146 REMARK 465 GLY A 147 REMARK 465 PRO A 148 REMARK 465 THR A 149 REMARK 465 ASN A 150 REMARK 465 LYS A 151 REMARK 465 THR A 152 REMARK 465 LEU A 153 REMARK 465 SER A 154 REMARK 465 VAL A 155 REMARK 465 SER A 156 REMARK 465 PRO A 157 REMARK 465 SER A 158 REMARK 465 VAL A 159 REMARK 465 GLU A 160 REMARK 465 ARG A 161 REMARK 465 PRO A 162 REMARK 465 ASP A 163 REMARK 465 TYR A 164 REMARK 465 ARG A 165 REMARK 465 ASN A 166 REMARK 465 ILE A 167 REMARK 465 THR A 168 REMARK 465 PHE A 169 REMARK 465 ASP A 170 REMARK 465 GLU A 171 REMARK 465 LEU A 172 REMARK 465 VAL A 173 REMARK 465 GLU A 174 REMARK 465 ALA A 175 REMARK 465 TYR A 176 REMARK 465 GLN A 177 REMARK 465 GLU A 178 REMARK 465 GLN A 179 REMARK 465 ALA A 180 REMARK 465 LYS A 181 REMARK 465 GLY A 182 REMARK 465 LEU A 183 REMARK 465 LEU A 184 REMARK 465 ASP A 185 REMARK 465 GLY A 186 REMARK 465 GLY A 187 REMARK 465 VAL A 188 REMARK 465 ASP A 189 REMARK 465 ILE A 190 REMARK 465 LEU A 191 REMARK 465 LEU A 192 REMARK 465 ILE A 193 REMARK 465 GLU A 194 REMARK 465 THR A 195 REMARK 465 ILE A 196 REMARK 465 PHE A 197 REMARK 465 ASP A 198 REMARK 465 THR A 199 REMARK 465 ALA A 200 REMARK 465 ASN A 201 REMARK 465 ALA A 202 REMARK 465 LYS A 203 REMARK 465 ALA A 204 REMARK 465 ALA A 205 REMARK 465 LEU A 206 REMARK 465 PHE A 207 REMARK 465 ALA A 208 REMARK 465 LEU A 209 REMARK 465 GLN A 210 REMARK 465 ASN A 211 REMARK 465 LEU A 212 REMARK 465 PHE A 213 REMARK 465 GLU A 214 REMARK 465 GLU A 215 REMARK 465 LYS A 216 REMARK 465 TYR A 217 REMARK 465 ALA A 218 REMARK 465 PRO A 219 REMARK 465 ARG A 220 REMARK 465 PRO A 221 REMARK 465 ILE A 222 REMARK 465 PHE A 223 REMARK 465 ILE A 224 REMARK 465 SER A 225 REMARK 465 GLY A 226 REMARK 465 THR A 227 REMARK 465 ILE A 228 REMARK 465 VAL A 229 REMARK 465 ASP A 230 REMARK 465 LYS A 231 REMARK 465 SER A 232 REMARK 465 GLY A 233 REMARK 465 ARG A 234 REMARK 465 THR A 235 REMARK 465 LEU A 236 REMARK 465 SER A 237 REMARK 465 GLY A 238 REMARK 465 GLN A 239 REMARK 465 THR A 240 REMARK 465 GLY A 241 REMARK 465 GLU A 242 REMARK 465 GLY A 243 REMARK 465 PHE A 244 REMARK 465 VAL A 245 REMARK 465 ILE A 246 REMARK 465 SER A 247 REMARK 465 VAL A 248 REMARK 465 SER A 249 REMARK 465 HIS A 250 REMARK 465 GLY A 251 REMARK 465 GLU A 252 REMARK 465 PRO A 253 REMARK 465 LEU A 254 REMARK 465 CYS A 255 REMARK 465 ILE A 256 REMARK 465 GLY A 257 REMARK 465 LEU A 258 REMARK 465 ASN A 259 REMARK 465 CYS A 260 REMARK 465 ALA A 261 REMARK 465 LEU A 262 REMARK 465 GLY A 263 REMARK 465 ALA A 264 REMARK 465 ALA A 265 REMARK 465 GLU A 266 REMARK 465 MET A 267 REMARK 465 ARG A 268 REMARK 465 PRO A 269 REMARK 465 PHE A 270 REMARK 465 ILE A 271 REMARK 465 GLU A 272 REMARK 465 ILE A 273 REMARK 465 ILE A 274 REMARK 465 GLY A 275 REMARK 465 LYS A 276 REMARK 465 CYS A 277 REMARK 465 THR A 278 REMARK 465 THR A 279 REMARK 465 ALA A 280 REMARK 465 TYR A 281 REMARK 465 VAL A 282 REMARK 465 LEU A 283 REMARK 465 CYS A 284 REMARK 465 TYR A 285 REMARK 465 PRO A 286 REMARK 465 ASN A 287 REMARK 465 ALA A 288 REMARK 465 GLY A 289 REMARK 465 LEU A 290 REMARK 465 PRO A 291 REMARK 465 ASN A 292 REMARK 465 THR A 293 REMARK 465 PHE A 294 REMARK 465 GLY A 295 REMARK 465 ASP A 296 REMARK 465 TYR A 297 REMARK 465 ASP A 298 REMARK 465 GLU A 299 REMARK 465 THR A 300 REMARK 465 PRO A 301 REMARK 465 SER A 302 REMARK 465 MET A 303 REMARK 465 MET A 304 REMARK 465 ALA A 305 REMARK 465 LYS A 306 REMARK 465 HIS A 307 REMARK 465 LEU A 308 REMARK 465 LYS A 309 REMARK 465 ASP A 310 REMARK 465 PHE A 311 REMARK 465 ALA A 312 REMARK 465 MET A 313 REMARK 465 ASP A 314 REMARK 465 GLY A 315 REMARK 465 LEU A 316 REMARK 465 VAL A 317 REMARK 465 ASN A 318 REMARK 465 ILE A 319 REMARK 465 VAL A 320 REMARK 465 GLY A 321 REMARK 465 GLY A 322 REMARK 465 CYS A 323 REMARK 465 CYS A 324 REMARK 465 GLY A 325 REMARK 465 SER A 326 REMARK 465 THR A 327 REMARK 465 PRO A 328 REMARK 465 ASP A 329 REMARK 465 HIS A 330 REMARK 465 ILE A 331 REMARK 465 ARG A 332 REMARK 465 GLU A 333 REMARK 465 ILE A 334 REMARK 465 ALA A 335 REMARK 465 GLU A 336 REMARK 465 ALA A 337 REMARK 465 VAL A 338 REMARK 465 LYS A 339 REMARK 465 ASN A 340 REMARK 465 CYS A 341 REMARK 465 LYS A 342 REMARK 465 PRO A 343 REMARK 465 ARG A 344 REMARK 465 VAL A 345 REMARK 465 PRO A 346 REMARK 465 PRO A 347 REMARK 465 ALA A 348 REMARK 465 THR A 349 REMARK 465 ALA A 350 REMARK 465 PHE A 351 REMARK 465 GLU A 352 REMARK 465 GLY A 353 REMARK 465 HIS A 354 REMARK 465 MET A 355 REMARK 465 LEU A 356 REMARK 465 LEU A 357 REMARK 465 SER A 358 REMARK 465 GLY A 359 REMARK 465 LEU A 360 REMARK 465 GLU A 361 REMARK 465 PRO A 362 REMARK 465 PHE A 363 REMARK 465 ARG A 364 REMARK 465 ILE A 365 REMARK 465 GLY A 366 REMARK 465 PRO A 367 REMARK 465 TYR A 368 REMARK 465 THR A 369 REMARK 465 ASN A 370 REMARK 465 PHE A 371 REMARK 465 VAL A 372 REMARK 465 ASN A 373 REMARK 465 ILE A 374 REMARK 465 GLY A 375 REMARK 465 GLU A 376 REMARK 465 ARG A 377 REMARK 465 CYS A 378 REMARK 465 ASN A 379 REMARK 465 VAL A 380 REMARK 465 ALA A 381 REMARK 465 GLY A 382 REMARK 465 SER A 383 REMARK 465 ARG A 384 REMARK 465 LYS A 385 REMARK 465 PHE A 386 REMARK 465 ALA A 387 REMARK 465 LYS A 388 REMARK 465 LEU A 389 REMARK 465 ILE A 390 REMARK 465 MET A 391 REMARK 465 ALA A 392 REMARK 465 GLY A 393 REMARK 465 ASN A 394 REMARK 465 TYR A 395 REMARK 465 GLU A 396 REMARK 465 GLU A 397 REMARK 465 ALA A 398 REMARK 465 LEU A 399 REMARK 465 CYS A 400 REMARK 465 VAL A 401 REMARK 465 ALA A 402 REMARK 465 LYS A 403 REMARK 465 VAL A 404 REMARK 465 GLN A 405 REMARK 465 VAL A 406 REMARK 465 GLU A 407 REMARK 465 MET A 408 REMARK 465 GLY A 409 REMARK 465 ALA A 410 REMARK 465 GLN A 411 REMARK 465 VAL A 412 REMARK 465 LEU A 413 REMARK 465 ASP A 414 REMARK 465 VAL A 415 REMARK 465 ASN A 416 REMARK 465 MET A 417 REMARK 465 ASP A 418 REMARK 465 ASP A 419 REMARK 465 GLY A 420 REMARK 465 MET A 421 REMARK 465 LEU A 422 REMARK 465 ASP A 423 REMARK 465 GLY A 424 REMARK 465 PRO A 425 REMARK 465 SER A 426 REMARK 465 ALA A 427 REMARK 465 MET A 428 REMARK 465 THR A 429 REMARK 465 ARG A 430 REMARK 465 PHE A 431 REMARK 465 CYS A 432 REMARK 465 ASN A 433 REMARK 465 LEU A 434 REMARK 465 ILE A 435 REMARK 465 ALA A 436 REMARK 465 SER A 437 REMARK 465 GLU A 438 REMARK 465 PRO A 439 REMARK 465 ASP A 440 REMARK 465 ILE A 441 REMARK 465 ALA A 442 REMARK 465 LYS A 443 REMARK 465 VAL A 444 REMARK 465 PRO A 445 REMARK 465 LEU A 446 REMARK 465 CYS A 447 REMARK 465 ILE A 448 REMARK 465 ASP A 449 REMARK 465 SER A 450 REMARK 465 SER A 451 REMARK 465 ASN A 452 REMARK 465 PHE A 453 REMARK 465 ALA A 454 REMARK 465 VAL A 455 REMARK 465 ILE A 456 REMARK 465 GLU A 457 REMARK 465 ALA A 458 REMARK 465 GLY A 459 REMARK 465 LEU A 460 REMARK 465 LYS A 461 REMARK 465 CYS A 462 REMARK 465 CYS A 463 REMARK 465 GLN A 464 REMARK 465 GLY A 465 REMARK 465 LYS A 466 REMARK 465 CYS A 467 REMARK 465 ILE A 468 REMARK 465 VAL A 469 REMARK 465 ASN A 470 REMARK 465 SER A 471 REMARK 465 ILE A 472 REMARK 465 SER A 473 REMARK 465 LEU A 474 REMARK 465 LYS A 475 REMARK 465 GLU A 476 REMARK 465 GLY A 477 REMARK 465 GLU A 478 REMARK 465 ASP A 479 REMARK 465 ASP A 480 REMARK 465 PHE A 481 REMARK 465 LEU A 482 REMARK 465 GLU A 483 REMARK 465 LYS A 484 REMARK 465 ALA A 485 REMARK 465 ARG A 486 REMARK 465 LYS A 487 REMARK 465 ILE A 488 REMARK 465 LYS A 489 REMARK 465 LYS A 490 REMARK 465 TYR A 491 REMARK 465 GLY A 492 REMARK 465 ALA A 493 REMARK 465 ALA A 494 REMARK 465 MET A 495 REMARK 465 VAL A 496 REMARK 465 VAL A 497 REMARK 465 MET A 498 REMARK 465 ALA A 499 REMARK 465 PHE A 500 REMARK 465 ASP A 501 REMARK 465 GLU A 502 REMARK 465 GLU A 503 REMARK 465 GLY A 504 REMARK 465 GLN A 505 REMARK 465 ALA A 506 REMARK 465 THR A 507 REMARK 465 GLU A 508 REMARK 465 THR A 509 REMARK 465 ASP A 510 REMARK 465 THR A 511 REMARK 465 LYS A 512 REMARK 465 ILE A 513 REMARK 465 ARG A 514 REMARK 465 VAL A 515 REMARK 465 CYS A 516 REMARK 465 THR A 517 REMARK 465 ARG A 518 REMARK 465 ALA A 519 REMARK 465 TYR A 520 REMARK 465 HIS A 521 REMARK 465 LEU A 522 REMARK 465 LEU A 523 REMARK 465 VAL A 524 REMARK 465 LYS A 525 REMARK 465 LYS A 526 REMARK 465 LEU A 527 REMARK 465 GLY A 528 REMARK 465 PHE A 529 REMARK 465 ASN A 530 REMARK 465 PRO A 531 REMARK 465 ASN A 532 REMARK 465 ASP A 533 REMARK 465 ILE A 534 REMARK 465 ILE A 535 REMARK 465 PHE A 536 REMARK 465 ASP A 537 REMARK 465 PRO A 538 REMARK 465 ASN A 539 REMARK 465 ILE A 540 REMARK 465 LEU A 541 REMARK 465 THR A 542 REMARK 465 ILE A 543 REMARK 465 GLY A 544 REMARK 465 THR A 545 REMARK 465 GLY A 546 REMARK 465 MET A 547 REMARK 465 GLU A 548 REMARK 465 GLU A 549 REMARK 465 HIS A 550 REMARK 465 ASN A 551 REMARK 465 LEU A 552 REMARK 465 TYR A 553 REMARK 465 ALA A 554 REMARK 465 ILE A 555 REMARK 465 ASN A 556 REMARK 465 PHE A 557 REMARK 465 ILE A 558 REMARK 465 HIS A 559 REMARK 465 ALA A 560 REMARK 465 THR A 561 REMARK 465 LYS A 562 REMARK 465 VAL A 563 REMARK 465 ILE A 564 REMARK 465 LYS A 565 REMARK 465 GLU A 566 REMARK 465 THR A 567 REMARK 465 LEU A 568 REMARK 465 PRO A 569 REMARK 465 GLY A 570 REMARK 465 ALA A 571 REMARK 465 ARG A 572 REMARK 465 ILE A 573 REMARK 465 SER A 574 REMARK 465 GLY A 575 REMARK 465 GLY A 576 REMARK 465 LEU A 577 REMARK 465 SER A 578 REMARK 465 ASN A 579 REMARK 465 LEU A 580 REMARK 465 SER A 581 REMARK 465 PHE A 582 REMARK 465 SER A 583 REMARK 465 PHE A 584 REMARK 465 ARG A 585 REMARK 465 GLY A 586 REMARK 465 MET A 587 REMARK 465 GLU A 588 REMARK 465 ALA A 589 REMARK 465 ILE A 590 REMARK 465 ARG A 591 REMARK 465 GLU A 592 REMARK 465 ALA A 593 REMARK 465 MET A 594 REMARK 465 HIS A 595 REMARK 465 GLY A 596 REMARK 465 VAL A 597 REMARK 465 PHE A 598 REMARK 465 LEU A 599 REMARK 465 TYR A 600 REMARK 465 HIS A 601 REMARK 465 ALA A 602 REMARK 465 ILE A 603 REMARK 465 LYS A 604 REMARK 465 SER A 605 REMARK 465 GLY A 606 REMARK 465 MET A 607 REMARK 465 ASP A 608 REMARK 465 MET A 609 REMARK 465 GLY A 610 REMARK 465 ILE A 611 REMARK 465 VAL A 612 REMARK 465 ASN A 613 REMARK 465 ALA A 614 REMARK 465 GLY A 615 REMARK 465 ASN A 616 REMARK 465 LEU A 617 REMARK 465 PRO A 618 REMARK 465 VAL A 619 REMARK 465 TYR A 620 REMARK 465 ASP A 621 REMARK 465 ASP A 622 REMARK 465 ILE A 623 REMARK 465 HIS A 624 REMARK 465 LYS A 625 REMARK 465 GLU A 626 REMARK 465 LEU A 627 REMARK 465 LEU A 628 REMARK 465 GLN A 629 REMARK 465 LEU A 630 REMARK 465 CYS A 631 REMARK 465 GLU A 632 REMARK 465 ASP A 633 REMARK 465 LEU A 634 REMARK 465 ILE A 635 REMARK 465 TRP A 636 REMARK 465 ASN A 637 REMARK 465 LYS A 638 REMARK 465 ASP A 639 REMARK 465 PRO A 640 REMARK 465 GLU A 641 REMARK 465 ALA A 642 REMARK 465 THR A 643 REMARK 465 GLU A 644 REMARK 465 LYS A 645 REMARK 465 LEU A 646 REMARK 465 LEU A 647 REMARK 465 ARG A 648 REMARK 465 TYR A 649 REMARK 465 ALA A 650 REMARK 465 GLN A 651 REMARK 465 THR A 652 REMARK 465 GLN A 653 REMARK 465 GLY A 654 REMARK 465 THR A 655 REMARK 465 GLY A 656 REMARK 465 GLY A 657 REMARK 465 LYS A 658 REMARK 465 LYS A 659 REMARK 465 VAL A 660 REMARK 465 ILE A 661 REMARK 465 GLN A 662 REMARK 465 THR A 663 REMARK 465 ASP A 664 REMARK 465 GLU A 665 REMARK 465 TRP A 666 REMARK 465 ARG A 667 REMARK 465 ASN A 668 REMARK 465 GLY A 669 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: TORSION ANGLES REMARK 500 REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS: REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2) REMARK 500 REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI- REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400 REMARK 500 REMARK 500 M RES CSSEQI PSI PHI REMARK 500 GLN A1041 -105.86 56.27 REMARK 500 GLN A1180 84.01 -158.22 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-55191 RELATED DB: EMDB REMARK 900 HUMAN METHIONINE SYNTHASE WITH METHYLTETRAHYDROFOLATE, C-HALF FROM REMARK 900 FULL-LENGTH DBREF 9SSQ A 1 1265 UNP Q99707 METH_HUMAN 1 1265 SEQRES 1 A 1265 MET SER PRO ALA LEU GLN ASP LEU SER GLN PRO GLU GLY SEQRES 2 A 1265 LEU LYS LYS THR LEU ARG ASP GLU ILE ASN ALA ILE LEU SEQRES 3 A 1265 GLN LYS ARG ILE MET VAL LEU ASP GLY GLY MET GLY THR SEQRES 4 A 1265 MET ILE GLN ARG GLU LYS LEU ASN GLU GLU HIS PHE ARG SEQRES 5 A 1265 GLY GLN GLU PHE LYS ASP HIS ALA ARG PRO LEU LYS GLY SEQRES 6 A 1265 ASN ASN ASP ILE LEU SER ILE THR GLN PRO ASP VAL ILE SEQRES 7 A 1265 TYR GLN ILE HIS LYS GLU TYR LEU LEU ALA GLY ALA ASP SEQRES 8 A 1265 ILE ILE GLU THR ASN THR PHE SER SER THR SER ILE ALA SEQRES 9 A 1265 GLN ALA ASP TYR GLY LEU GLU HIS LEU ALA TYR ARG MET SEQRES 10 A 1265 ASN MET CYS SER ALA GLY VAL ALA ARG LYS ALA ALA GLU SEQRES 11 A 1265 GLU VAL THR LEU GLN THR GLY ILE LYS ARG PHE VAL ALA SEQRES 12 A 1265 GLY ALA LEU GLY PRO THR ASN LYS THR LEU SER VAL SER SEQRES 13 A 1265 PRO SER VAL GLU ARG PRO ASP TYR ARG ASN ILE THR PHE SEQRES 14 A 1265 ASP GLU LEU VAL GLU ALA TYR GLN GLU GLN ALA LYS GLY SEQRES 15 A 1265 LEU LEU ASP GLY GLY VAL ASP ILE LEU LEU ILE GLU THR SEQRES 16 A 1265 ILE PHE ASP THR ALA ASN ALA LYS ALA ALA LEU PHE ALA SEQRES 17 A 1265 LEU GLN ASN LEU PHE GLU GLU LYS TYR ALA PRO ARG PRO SEQRES 18 A 1265 ILE PHE ILE SER GLY THR ILE VAL ASP LYS SER GLY ARG SEQRES 19 A 1265 THR LEU SER GLY GLN THR GLY GLU GLY PHE VAL ILE SER SEQRES 20 A 1265 VAL SER HIS GLY GLU PRO LEU CYS ILE GLY LEU ASN CYS SEQRES 21 A 1265 ALA LEU GLY ALA ALA GLU MET ARG PRO PHE ILE GLU ILE SEQRES 22 A 1265 ILE GLY LYS CYS THR THR ALA TYR VAL LEU CYS TYR PRO SEQRES 23 A 1265 ASN ALA GLY LEU PRO ASN THR PHE GLY ASP TYR ASP GLU SEQRES 24 A 1265 THR PRO SER MET MET ALA LYS HIS LEU LYS ASP PHE ALA SEQRES 25 A 1265 MET ASP GLY LEU VAL ASN ILE VAL GLY GLY CYS CYS GLY SEQRES 26 A 1265 SER THR PRO ASP HIS ILE ARG GLU ILE ALA GLU ALA VAL SEQRES 27 A 1265 LYS ASN CYS LYS PRO ARG VAL PRO PRO ALA THR ALA PHE SEQRES 28 A 1265 GLU GLY HIS MET LEU LEU SER GLY LEU GLU PRO PHE ARG SEQRES 29 A 1265 ILE GLY PRO TYR THR ASN PHE VAL ASN ILE GLY GLU ARG SEQRES 30 A 1265 CYS ASN VAL ALA GLY SER ARG LYS PHE ALA LYS LEU ILE SEQRES 31 A 1265 MET ALA GLY ASN TYR GLU GLU ALA LEU CYS VAL ALA LYS SEQRES 32 A 1265 VAL GLN VAL GLU MET GLY ALA GLN VAL LEU ASP VAL ASN SEQRES 33 A 1265 MET ASP ASP GLY MET LEU ASP GLY PRO SER ALA MET THR SEQRES 34 A 1265 ARG PHE CYS ASN LEU ILE ALA SER GLU PRO ASP ILE ALA SEQRES 35 A 1265 LYS VAL PRO LEU CYS ILE ASP SER SER ASN PHE ALA VAL SEQRES 36 A 1265 ILE GLU ALA GLY LEU LYS CYS CYS GLN GLY LYS CYS ILE SEQRES 37 A 1265 VAL ASN SER ILE SER LEU LYS GLU GLY GLU ASP ASP PHE SEQRES 38 A 1265 LEU GLU LYS ALA ARG LYS ILE LYS LYS TYR GLY ALA ALA SEQRES 39 A 1265 MET VAL VAL MET ALA PHE ASP GLU GLU GLY GLN ALA THR SEQRES 40 A 1265 GLU THR ASP THR LYS ILE ARG VAL CYS THR ARG ALA TYR SEQRES 41 A 1265 HIS LEU LEU VAL LYS LYS LEU GLY PHE ASN PRO ASN ASP SEQRES 42 A 1265 ILE ILE PHE ASP PRO ASN ILE LEU THR ILE GLY THR GLY SEQRES 43 A 1265 MET GLU GLU HIS ASN LEU TYR ALA ILE ASN PHE ILE HIS SEQRES 44 A 1265 ALA THR LYS VAL ILE LYS GLU THR LEU PRO GLY ALA ARG SEQRES 45 A 1265 ILE SER GLY GLY LEU SER ASN LEU SER PHE SER PHE ARG SEQRES 46 A 1265 GLY MET GLU ALA ILE ARG GLU ALA MET HIS GLY VAL PHE SEQRES 47 A 1265 LEU TYR HIS ALA ILE LYS SER GLY MET ASP MET GLY ILE SEQRES 48 A 1265 VAL ASN ALA GLY ASN LEU PRO VAL TYR ASP ASP ILE HIS SEQRES 49 A 1265 LYS GLU LEU LEU GLN LEU CYS GLU ASP LEU ILE TRP ASN SEQRES 50 A 1265 LYS ASP PRO GLU ALA THR GLU LYS LEU LEU ARG TYR ALA SEQRES 51 A 1265 GLN THR GLN GLY THR GLY GLY LYS LYS VAL ILE GLN THR SEQRES 52 A 1265 ASP GLU TRP ARG ASN GLY PRO VAL GLU GLU ARG LEU GLU SEQRES 53 A 1265 TYR ALA LEU VAL LYS GLY ILE GLU LYS HIS ILE ILE GLU SEQRES 54 A 1265 ASP THR GLU GLU ALA ARG LEU ASN GLN LYS LYS TYR PRO SEQRES 55 A 1265 ARG PRO LEU ASN ILE ILE GLU GLY PRO LEU MET ASN GLY SEQRES 56 A 1265 MET LYS ILE VAL GLY ASP LEU PHE GLY ALA GLY LYS MET SEQRES 57 A 1265 PHE LEU PRO GLN VAL ILE LYS SER ALA ARG VAL MET LYS SEQRES 58 A 1265 LYS ALA VAL GLY HIS LEU ILE PRO PHE MET GLU LYS GLU SEQRES 59 A 1265 ARG GLU GLU THR ARG VAL LEU ASN GLY THR VAL GLU GLU SEQRES 60 A 1265 GLU ASP PRO TYR GLN GLY THR ILE VAL LEU ALA THR VAL SEQRES 61 A 1265 LYS GLY ASP VAL HIS ASP ILE GLY LYS ASN ILE VAL GLY SEQRES 62 A 1265 VAL VAL LEU GLY CYS ASN ASN PHE ARG VAL ILE ASP LEU SEQRES 63 A 1265 GLY VAL MET THR PRO CYS ASP LYS ILE LEU LYS ALA ALA SEQRES 64 A 1265 LEU ASP HIS LYS ALA ASP ILE ILE GLY LEU SER GLY LEU SEQRES 65 A 1265 ILE THR PRO SER LEU ASP GLU MET ILE PHE VAL ALA LYS SEQRES 66 A 1265 GLU MET GLU ARG LEU ALA ILE ARG ILE PRO LEU LEU ILE SEQRES 67 A 1265 GLY GLY ALA THR THR SER LYS THR HIS THR ALA VAL LYS SEQRES 68 A 1265 ILE ALA PRO ARG TYR SER ALA PRO VAL ILE HIS VAL LEU SEQRES 69 A 1265 ASP ALA SER LYS SER VAL VAL VAL CYS SER GLN LEU LEU SEQRES 70 A 1265 ASP GLU ASN LEU LYS ASP GLU TYR PHE GLU GLU ILE MET SEQRES 71 A 1265 GLU GLU TYR GLU ASP ILE ARG GLN ASP HIS TYR GLU SER SEQRES 72 A 1265 LEU LYS GLU ARG ARG TYR LEU PRO LEU SER GLN ALA ARG SEQRES 73 A 1265 LYS SER GLY PHE GLN MET ASP TRP LEU SER GLU PRO HIS SEQRES 74 A 1265 PRO VAL LYS PRO THR PHE ILE GLY THR GLN VAL PHE GLU SEQRES 75 A 1265 ASP TYR ASP LEU GLN LYS LEU VAL ASP TYR ILE ASP TRP SEQRES 76 A 1265 LYS PRO PHE PHE ASP VAL TRP GLN LEU ARG GLY LYS TYR SEQRES 77 A 1265 PRO ASN ARG GLY PHE PRO LYS ILE PHE ASN ASP LYS THR SEQRES 78 A 1265 VAL GLY GLY GLU ALA ARG LYS VAL TYR ASP ASP ALA HIS SEQRES 79 A 1265 ASN MET LEU ASN THR LEU ILE SER GLN LYS LYS LEU ARG SEQRES 80 A 1265 ALA ARG GLY VAL VAL GLY PHE TRP PRO ALA GLN SER ILE SEQRES 81 A 1265 GLN ASP ASP ILE HIS LEU TYR ALA GLU ALA ALA VAL PRO SEQRES 82 A 1265 GLN ALA ALA GLU PRO ILE ALA THR PHE TYR GLY LEU ARG SEQRES 83 A 1265 GLN GLN ALA GLU LYS ASP SER ALA SER THR GLU PRO TYR SEQRES 84 A 1265 TYR CYS LEU SER ASP PHE ILE ALA PRO LEU HIS SER GLY SEQRES 85 A 1265 ILE ARG ASP TYR LEU GLY LEU PHE ALA VAL ALA CYS PHE SEQRES 86 A 1265 GLY VAL GLU GLU LEU SER LYS ALA TYR GLU ASP ASP GLY SEQRES 87 A 1265 ASP ASP TYR SER SER ILE MET VAL LYS ALA LEU GLY ASP SEQRES 88 A 1265 ARG LEU ALA GLU ALA PHE ALA GLU GLU LEU HIS GLU ARG SEQRES 89 A 1265 VAL ARG ARG GLU LEU TRP ALA TYR CYS GLY SER GLU GLN SEQRES 90 A 1265 LEU ASP VAL ALA ASP LEU ARG ARG LEU ARG TYR LYS GLY SEQRES 91 A 1265 ILE ARG PRO ALA PRO GLY TYR PRO SER GLN PRO ASP HIS SEQRES 92 A 1265 THR GLU LYS LEU THR MET TRP ARG LEU ALA ASP ILE GLU SEQRES 93 A 1265 GLN SER THR GLY ILE ARG LEU THR GLU SER LEU ALA MET SEQRES 94 A 1265 ALA PRO ALA SER ALA VAL SER GLY LEU TYR PHE SER ASN SEQRES 95 A 1265 LEU LYS SER LYS TYR PHE ALA VAL GLY LYS ILE SER LYS SEQRES 96 A 1265 ASP GLN VAL GLU ASP TYR ALA LEU ARG LYS ASN ILE SER SEQRES 97 A 1265 VAL ALA GLU VAL GLU LYS TRP LEU GLY PRO ILE LEU GLY SEQRES 98 A 1265 TYR ASP THR ASP HELIX 1 AA1 VAL A 671 GLY A 682 1 12 HELIX 2 AA2 HIS A 686 ASN A 697 1 12 HELIX 3 AA3 PRO A 704 GLY A 710 1 7 HELIX 4 AA4 GLY A 710 ALA A 725 1 16 HELIX 5 AA5 PHE A 729 GLY A 763 1 35 HELIX 6 AA6 ASP A 786 CYS A 798 1 13 HELIX 7 AA7 PRO A 811 LYS A 823 1 13 HELIX 8 AA8 THR A 834 LEU A 850 1 17 HELIX 9 AA9 SER A 864 ILE A 872 1 9 HELIX 10 AB1 ALA A 873 TYR A 876 5 4 HELIX 11 AB2 ASP A 885 ASP A 898 1 14 HELIX 12 AB3 LEU A 901 ARG A 927 1 27 HELIX 13 AB4 PRO A 931 SER A 938 1 8 HELIX 14 AB5 LEU A 966 ASP A 971 1 6 HELIX 15 AB6 TRP A 975 TRP A 982 1 8 HELIX 16 AB7 PRO A 994 ASP A 999 5 6 HELIX 17 AB8 VAL A 1002 GLN A 1023 1 22 HELIX 18 AB9 VAL A 1052 ALA A 1056 5 5 HELIX 19 AC1 CYS A 1081 ILE A 1086 5 6 HELIX 20 AC2 PRO A 1088 GLY A 1092 5 5 HELIX 21 AC3 GLY A 1106 ASP A 1117 1 12 HELIX 22 AC4 ASP A 1119 GLU A 1148 1 30 HELIX 23 AC5 ASP A 1159 ARG A 1165 1 7 HELIX 24 AC6 THR A 1184 ASP A 1194 1 11 HELIX 25 AC7 ASP A 1194 GLY A 1200 1 7 HELIX 26 AC8 SER A 1234 ASN A 1246 1 13 HELIX 27 AC9 SER A 1248 LEU A 1256 1 9 HELIX 28 AD1 GLY A 1257 LEU A 1260 5 4 SHEET 1 AA1 5 ARG A 802 ASP A 805 0 SHEET 2 AA1 5 THR A 774 THR A 779 1 N LEU A 777 O ILE A 804 SHEET 3 AA1 5 ILE A 826 SER A 830 1 O GLY A 828 N VAL A 776 SHEET 4 AA1 5 LEU A 856 GLY A 859 1 O LEU A 857 N LEU A 829 SHEET 5 AA1 5 VAL A 880 HIS A 882 1 O ILE A 881 N LEU A 856 SHEET 1 AA2 4 GLY A 957 PHE A 961 0 SHEET 2 AA2 4 ARG A1027 ILE A1040 -1 O GLY A1030 N PHE A 961 SHEET 3 AA2 4 ASP A1043 LEU A1046 -1 O HIS A1045 N GLN A1038 SHEET 4 AA2 4 ALA A1060 TYR A1063 -1 O ALA A1060 N LEU A1046 SHEET 1 AA3 4 GLY A 957 PHE A 961 0 SHEET 2 AA3 4 ARG A1027 ILE A1040 -1 O GLY A1030 N PHE A 961 SHEET 3 AA3 4 TYR A1096 PHE A1105 -1 O PHE A1105 N ARG A1027 SHEET 4 AA3 4 ALA A1214 TYR A1219 -1 O TYR A1219 N GLY A1098 SHEET 1 AA4 2 ARG A1202 LEU A1203 0 SHEET 2 AA4 2 MET A1209 ALA A1210 -1 O ALA A1210 N ARG A1202 CISPEP 1 TYR A 988 PRO A 989 0 -1.32 CISPEP 2 PHE A 993 PRO A 994 0 -3.38 CISPEP 3 ALA A 1210 PRO A 1211 0 6.83 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 ORIGX1 1.000000 0.000000 0.000000 0.00000 ORIGX2 0.000000 1.000000 0.000000 0.00000 ORIGX3 0.000000 0.000000 1.000000 0.00000 SCALE1 1.000000 0.000000 0.000000 0.00000 SCALE2 0.000000 1.000000 0.000000 0.00000 SCALE3 0.000000 0.000000 1.000000 0.00000 TER 4740 ASP A1265 MASTER 799 0 0 28 15 0 0 6 4739 1 0 98 END