HEADER RNA BINDING PROTEIN/HYDROLASE 11-SEP-24 9DLR TITLE CRYO-EM STRUCTURE OF THE HUMAN TREX-2.1 COMPLEX (LENG8/PCID2/DSS1) TITLE 2 BOUND TO THE N-TERMINAL MOTIF OF DDX39B(UAP56) COMPND MOL_ID: 1; COMPND 2 MOLECULE: LEUKOCYTE RECEPTOR CLUSTER MEMBER 8; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: PCI DOMAIN-CONTAINING PROTEIN 2; COMPND 7 CHAIN: B; COMPND 8 SYNONYM: CSN12-LIKE PROTEIN; COMPND 9 ENGINEERED: YES; COMPND 10 MOL_ID: 3; COMPND 11 MOLECULE: 26S PROTEASOME COMPLEX SUBUNIT SEM1; COMPND 12 CHAIN: C; COMPND 13 SYNONYM: 26S PROTEASOME COMPLEX SUBUNIT DSS1,DELETED IN SPLIT COMPND 14 HAND/SPLIT FOOT PROTEIN 1,SPLIT HAND/FOOT DELETED PROTEIN 1,SPLIT COMPND 15 HAND/FOOT MALFORMATION TYPE 1 PROTEIN; COMPND 16 ENGINEERED: YES; COMPND 17 MOL_ID: 4; COMPND 18 MOLECULE: SPLICEOSOME RNA HELICASE DDX39B; COMPND 19 CHAIN: D; COMPND 20 SYNONYM: 56 KDA U2AF65-ASSOCIATED PROTEIN,ATP-DEPENDENT RNA HELICASE COMPND 21 P47,DEAD BOX PROTEIN UAP56,HLA-B-ASSOCIATED TRANSCRIPT 1 PROTEIN; COMPND 22 EC: 3.6.4.13; COMPND 23 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: LENG8, KIAA1932; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 MOL_ID: 2; SOURCE 9 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 10 ORGANISM_COMMON: HUMAN; SOURCE 11 ORGANISM_TAXID: 9606; SOURCE 12 GENE: PCID2, HT004; SOURCE 13 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 14 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 15 MOL_ID: 3; SOURCE 16 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 17 ORGANISM_COMMON: HUMAN; SOURCE 18 ORGANISM_TAXID: 9606; SOURCE 19 GENE: SEM1, C7ORF76, DSS1, SHFDG1, SHFM1; SOURCE 20 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 21 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 22 MOL_ID: 4; SOURCE 23 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 24 ORGANISM_COMMON: HUMAN; SOURCE 25 ORGANISM_TAXID: 9606; SOURCE 26 GENE: DDX39B, BAT1, UAP56; SOURCE 27 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 28 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS MRNA NUCLEAR EXPORT, TREX, TREX-2, LENG8, UAP56, DDX39B, RNA BINDING KEYWDS 2 PROTEIN, RNA BINDING PROTEIN-HYDROLASE COMPLEX EXPDTA ELECTRON MICROSCOPY AUTHOR B.P.CLARKE,Y.XIE,Y.REN REVDAT 2 12-NOV-25 9DLR 1 JRNL REVDAT 1 17-SEP-25 9DLR 0 JRNL AUTH B.P.CLARKE,S.GAO,M.MEI,D.XIE,A.E.ANGELOS,A.VAZHAVILLA, JRNL AUTH 2 P.S.HILL,T.CAGATAY,K.BATTEN,J.W.SHAY,Y.XIE,B.M.A.FONTOURA, JRNL AUTH 3 Y.REN JRNL TITL STRUCTURAL MECHANISM OF DDX39B REGULATION BY HUMAN TREX-2 JRNL TITL 2 AND A RELATED COMPLEX IN MRNP REMODELING. JRNL REF NAT COMMUN V. 16 5471 2025 JRNL REFN ESSN 2041-1723 JRNL PMID 40595470 JRNL DOI 10.1038/S41467-025-60547-1 REMARK 2 REMARK 2 RESOLUTION. 3.08 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : PHENIX REMARK 3 RECONSTRUCTION SCHEMA : NULL REMARK 3 REMARK 3 EM MAP-MODEL FITTING AND REFINEMENT REMARK 3 PDB ENTRY : NULL REMARK 3 REFINEMENT SPACE : NULL REMARK 3 REFINEMENT PROTOCOL : NULL 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) : 3.080 REMARK 3 NUMBER OF PARTICLES : 569284 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 9DLR COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 16-SEP-24. REMARK 100 THE DEPOSITION ID IS D_1000286322. 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 TREX-2.1 COMPLEX AND REMARK 245 DDX39B 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 : 8.00 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) : 800.00 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) : 5610.00 REMARK 245 ILLUMINATION MODE : FLOOD BEAM REMARK 245 NOMINAL MAGNIFICATION : NULL 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: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D 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 GLY A 485 REMARK 465 ALA A 486 REMARK 465 MET A 487 REMARK 465 GLY A 488 REMARK 465 SER A 489 REMARK 465 ARG A 490 REMARK 465 SER A 491 REMARK 465 ARG A 492 REMARK 465 LYS A 493 REMARK 465 LYS A 494 REMARK 465 MET A 495 REMARK 465 ALA A 496 REMARK 465 ALA A 497 REMARK 465 LEU A 498 REMARK 465 GLU A 499 REMARK 465 CYS A 500 REMARK 465 GLU A 501 REMARK 465 ASP A 502 REMARK 465 PRO A 503 REMARK 465 GLU A 504 REMARK 465 ARG A 505 REMARK 465 GLU A 506 REMARK 465 LEU A 507 REMARK 465 LYS A 508 REMARK 465 LYS A 509 REMARK 465 GLN A 510 REMARK 465 LYS A 511 REMARK 465 ARG A 512 REMARK 465 ALA A 513 REMARK 465 ALA A 514 REMARK 465 ARG A 515 REMARK 465 PHE A 516 REMARK 465 GLN A 517 REMARK 465 HIS A 518 REMARK 465 GLY A 519 REMARK 465 HIS A 520 REMARK 465 SER A 521 REMARK 465 ARG A 522 REMARK 465 ARG A 523 REMARK 465 LEU A 524 REMARK 465 ARG A 525 REMARK 465 LEU A 526 REMARK 465 GLU A 527 REMARK 465 PRO A 528 REMARK 465 LEU A 529 REMARK 465 VAL A 530 REMARK 465 LEU A 531 REMARK 465 GLN A 532 REMARK 465 MET A 533 REMARK 465 SER A 534 REMARK 465 SER A 535 REMARK 465 LEU A 536 REMARK 465 GLU A 537 REMARK 465 SER A 538 REMARK 465 SER A 539 REMARK 465 GLY A 540 REMARK 465 ALA A 541 REMARK 465 ASP A 542 REMARK 465 PRO A 543 REMARK 465 ASP A 544 REMARK 465 TRP A 545 REMARK 465 GLN A 546 REMARK 465 GLU A 547 REMARK 465 LEU A 548 REMARK 465 GLN A 549 REMARK 465 ILE A 550 REMARK 465 VAL A 551 REMARK 465 GLY A 552 REMARK 465 THR A 553 REMARK 465 CYS A 554 REMARK 465 PRO A 555 REMARK 465 ASP A 556 REMARK 465 ILE A 557 REMARK 465 THR A 558 REMARK 465 LYS A 559 REMARK 465 HIS A 560 REMARK 465 TYR A 561 REMARK 465 LEU A 562 REMARK 465 ARG A 563 REMARK 465 LEU A 564 REMARK 465 THR A 565 REMARK 465 CYS A 566 REMARK 465 ALA A 567 REMARK 465 PRO A 568 REMARK 465 ASP A 569 REMARK 465 PRO A 570 REMARK 465 SER A 571 REMARK 465 THR A 572 REMARK 465 VAL A 573 REMARK 465 ARG A 574 REMARK 465 MET B 1 REMARK 465 ALA B 2 REMARK 465 HIS B 3 REMARK 465 CYS B 399 REMARK 465 MET C 1 REMARK 465 SER C 2 REMARK 465 GLU C 3 REMARK 465 LYS C 4 REMARK 465 LYS C 5 REMARK 465 GLN C 6 REMARK 465 PRO C 7 REMARK 465 VAL C 8 REMARK 465 ASP C 9 REMARK 465 LEU C 10 REMARK 465 GLY C 11 REMARK 465 LEU C 12 REMARK 465 LEU C 13 REMARK 465 GLU C 14 REMARK 465 GLU C 15 REMARK 465 ASP C 16 REMARK 465 MET C 67 REMARK 465 GLU C 68 REMARK 465 THR C 69 REMARK 465 SER C 70 REMARK 465 MET D 1 REMARK 465 ALA D 2 REMARK 465 GLU D 3 REMARK 465 ASN D 4 REMARK 465 ASP D 5 REMARK 465 VAL D 6 REMARK 465 ASP D 7 REMARK 465 ASN D 8 REMARK 465 GLU D 9 REMARK 465 ASP D 15 REMARK 465 ASP D 16 REMARK 465 GLU D 17 REMARK 465 VAL D 18 REMARK 465 GLU D 19 REMARK 465 THR D 20 REMARK 465 ALA D 21 REMARK 465 ALA D 22 REMARK 465 GLY D 23 REMARK 465 GLY D 24 REMARK 465 ASP D 25 REMARK 465 GLY D 26 REMARK 465 ALA D 27 REMARK 465 GLU D 28 REMARK 465 ALA D 29 REMARK 465 PRO D 30 REMARK 465 ALA D 31 REMARK 465 LYS D 32 REMARK 465 LYS D 33 REMARK 465 ASP D 34 REMARK 465 VAL D 35 REMARK 465 LYS D 36 REMARK 465 GLY D 37 REMARK 465 SER D 38 REMARK 465 TYR D 39 REMARK 465 VAL D 40 REMARK 465 SER D 41 REMARK 465 ILE D 42 REMARK 465 HIS D 43 REMARK 465 SER D 44 REMARK 465 SER D 45 REMARK 465 GLY D 46 REMARK 465 PHE D 47 REMARK 465 ARG D 48 REMARK 465 ASP D 49 REMARK 465 PHE D 50 REMARK 465 LEU D 51 REMARK 465 LEU D 52 REMARK 465 LYS D 53 REMARK 465 PRO D 54 REMARK 465 GLU D 55 REMARK 465 LEU D 56 REMARK 465 LEU D 57 REMARK 465 ARG D 58 REMARK 465 ALA D 59 REMARK 465 ILE D 60 REMARK 465 VAL D 61 REMARK 465 ASP D 62 REMARK 465 CYS D 63 REMARK 465 GLY D 64 REMARK 465 PHE D 65 REMARK 465 GLU D 66 REMARK 465 HIS D 67 REMARK 465 PRO D 68 REMARK 465 SER D 69 REMARK 465 GLU D 70 REMARK 465 VAL D 71 REMARK 465 GLN D 72 REMARK 465 HIS D 73 REMARK 465 GLU D 74 REMARK 465 CYS D 75 REMARK 465 ILE D 76 REMARK 465 PRO D 77 REMARK 465 GLN D 78 REMARK 465 ALA D 79 REMARK 465 ILE D 80 REMARK 465 LEU D 81 REMARK 465 GLY D 82 REMARK 465 MET D 83 REMARK 465 ASP D 84 REMARK 465 VAL D 85 REMARK 465 LEU D 86 REMARK 465 CYS D 87 REMARK 465 GLN D 88 REMARK 465 ALA D 89 REMARK 465 LYS D 90 REMARK 465 SER D 91 REMARK 465 GLY D 92 REMARK 465 MET D 93 REMARK 465 GLY D 94 REMARK 465 LYS D 95 REMARK 465 THR D 96 REMARK 465 ALA D 97 REMARK 465 VAL D 98 REMARK 465 PHE D 99 REMARK 465 VAL D 100 REMARK 465 LEU D 101 REMARK 465 ALA D 102 REMARK 465 THR D 103 REMARK 465 LEU D 104 REMARK 465 GLN D 105 REMARK 465 GLN D 106 REMARK 465 LEU D 107 REMARK 465 GLU D 108 REMARK 465 PRO D 109 REMARK 465 VAL D 110 REMARK 465 THR D 111 REMARK 465 GLY D 112 REMARK 465 GLN D 113 REMARK 465 VAL D 114 REMARK 465 SER D 115 REMARK 465 VAL D 116 REMARK 465 LEU D 117 REMARK 465 VAL D 118 REMARK 465 MET D 119 REMARK 465 CYS D 120 REMARK 465 HIS D 121 REMARK 465 THR D 122 REMARK 465 ARG D 123 REMARK 465 GLU D 124 REMARK 465 LEU D 125 REMARK 465 ALA D 126 REMARK 465 PHE D 127 REMARK 465 GLN D 128 REMARK 465 ILE D 129 REMARK 465 SER D 130 REMARK 465 LYS D 131 REMARK 465 GLU D 132 REMARK 465 TYR D 133 REMARK 465 GLU D 134 REMARK 465 ARG D 135 REMARK 465 PHE D 136 REMARK 465 SER D 137 REMARK 465 LYS D 138 REMARK 465 TYR D 139 REMARK 465 MET D 140 REMARK 465 PRO D 141 REMARK 465 ASN D 142 REMARK 465 VAL D 143 REMARK 465 LYS D 144 REMARK 465 VAL D 145 REMARK 465 ALA D 146 REMARK 465 VAL D 147 REMARK 465 PHE D 148 REMARK 465 PHE D 149 REMARK 465 GLY D 150 REMARK 465 GLY D 151 REMARK 465 LEU D 152 REMARK 465 SER D 153 REMARK 465 ILE D 154 REMARK 465 LYS D 155 REMARK 465 LYS D 156 REMARK 465 ASP D 157 REMARK 465 GLU D 158 REMARK 465 GLU D 159 REMARK 465 VAL D 160 REMARK 465 LEU D 161 REMARK 465 LYS D 162 REMARK 465 LYS D 163 REMARK 465 ASN D 164 REMARK 465 CYS D 165 REMARK 465 PRO D 166 REMARK 465 HIS D 167 REMARK 465 ILE D 168 REMARK 465 VAL D 169 REMARK 465 VAL D 170 REMARK 465 GLY D 171 REMARK 465 THR D 172 REMARK 465 PRO D 173 REMARK 465 GLY D 174 REMARK 465 ARG D 175 REMARK 465 ILE D 176 REMARK 465 LEU D 177 REMARK 465 ALA D 178 REMARK 465 LEU D 179 REMARK 465 ALA D 180 REMARK 465 ARG D 181 REMARK 465 ASN D 182 REMARK 465 LYS D 183 REMARK 465 SER D 184 REMARK 465 LEU D 185 REMARK 465 ASN D 186 REMARK 465 LEU D 187 REMARK 465 LYS D 188 REMARK 465 HIS D 189 REMARK 465 ILE D 190 REMARK 465 LYS D 191 REMARK 465 HIS D 192 REMARK 465 PHE D 193 REMARK 465 ILE D 194 REMARK 465 LEU D 195 REMARK 465 ASP D 196 REMARK 465 GLU D 197 REMARK 465 CYS D 198 REMARK 465 ASP D 199 REMARK 465 LYS D 200 REMARK 465 MET D 201 REMARK 465 LEU D 202 REMARK 465 GLU D 203 REMARK 465 GLN D 204 REMARK 465 LEU D 205 REMARK 465 ASP D 206 REMARK 465 MET D 207 REMARK 465 ARG D 208 REMARK 465 ARG D 209 REMARK 465 ASP D 210 REMARK 465 VAL D 211 REMARK 465 GLN D 212 REMARK 465 GLU D 213 REMARK 465 ILE D 214 REMARK 465 PHE D 215 REMARK 465 ARG D 216 REMARK 465 MET D 217 REMARK 465 THR D 218 REMARK 465 PRO D 219 REMARK 465 HIS D 220 REMARK 465 GLU D 221 REMARK 465 LYS D 222 REMARK 465 GLN D 223 REMARK 465 VAL D 224 REMARK 465 MET D 225 REMARK 465 MET D 226 REMARK 465 PHE D 227 REMARK 465 SER D 228 REMARK 465 ALA D 229 REMARK 465 THR D 230 REMARK 465 LEU D 231 REMARK 465 SER D 232 REMARK 465 LYS D 233 REMARK 465 GLU D 234 REMARK 465 ILE D 235 REMARK 465 ARG D 236 REMARK 465 PRO D 237 REMARK 465 VAL D 238 REMARK 465 CYS D 239 REMARK 465 ARG D 240 REMARK 465 LYS D 241 REMARK 465 PHE D 242 REMARK 465 MET D 243 REMARK 465 GLN D 244 REMARK 465 ASP D 245 REMARK 465 PRO D 246 REMARK 465 MET D 247 REMARK 465 GLU D 248 REMARK 465 ILE D 249 REMARK 465 PHE D 250 REMARK 465 VAL D 251 REMARK 465 ASP D 252 REMARK 465 ASP D 253 REMARK 465 GLU D 254 REMARK 465 THR D 255 REMARK 465 LYS D 256 REMARK 465 LEU D 257 REMARK 465 THR D 258 REMARK 465 LEU D 259 REMARK 465 HIS D 260 REMARK 465 GLY D 261 REMARK 465 LEU D 262 REMARK 465 GLN D 263 REMARK 465 GLN D 264 REMARK 465 TYR D 265 REMARK 465 TYR D 266 REMARK 465 VAL D 267 REMARK 465 LYS D 268 REMARK 465 LEU D 269 REMARK 465 LYS D 270 REMARK 465 ASP D 271 REMARK 465 ASN D 272 REMARK 465 GLU D 273 REMARK 465 LYS D 274 REMARK 465 ASN D 275 REMARK 465 ARG D 276 REMARK 465 LYS D 277 REMARK 465 LEU D 278 REMARK 465 PHE D 279 REMARK 465 ASP D 280 REMARK 465 LEU D 281 REMARK 465 LEU D 282 REMARK 465 ASP D 283 REMARK 465 VAL D 284 REMARK 465 LEU D 285 REMARK 465 GLU D 286 REMARK 465 PHE D 287 REMARK 465 ASN D 288 REMARK 465 GLN D 289 REMARK 465 VAL D 290 REMARK 465 VAL D 291 REMARK 465 ILE D 292 REMARK 465 PHE D 293 REMARK 465 VAL D 294 REMARK 465 LYS D 295 REMARK 465 SER D 296 REMARK 465 VAL D 297 REMARK 465 GLN D 298 REMARK 465 ARG D 299 REMARK 465 CYS D 300 REMARK 465 ILE D 301 REMARK 465 ALA D 302 REMARK 465 LEU D 303 REMARK 465 ALA D 304 REMARK 465 GLN D 305 REMARK 465 LEU D 306 REMARK 465 LEU D 307 REMARK 465 VAL D 308 REMARK 465 GLU D 309 REMARK 465 GLN D 310 REMARK 465 ASN D 311 REMARK 465 PHE D 312 REMARK 465 PRO D 313 REMARK 465 ALA D 314 REMARK 465 ILE D 315 REMARK 465 ALA D 316 REMARK 465 ILE D 317 REMARK 465 HIS D 318 REMARK 465 ARG D 319 REMARK 465 GLY D 320 REMARK 465 MET D 321 REMARK 465 PRO D 322 REMARK 465 GLN D 323 REMARK 465 GLU D 324 REMARK 465 GLU D 325 REMARK 465 ARG D 326 REMARK 465 LEU D 327 REMARK 465 SER D 328 REMARK 465 ARG D 329 REMARK 465 TYR D 330 REMARK 465 GLN D 331 REMARK 465 GLN D 332 REMARK 465 PHE D 333 REMARK 465 LYS D 334 REMARK 465 ASP D 335 REMARK 465 PHE D 336 REMARK 465 GLN D 337 REMARK 465 ARG D 338 REMARK 465 ARG D 339 REMARK 465 ILE D 340 REMARK 465 LEU D 341 REMARK 465 VAL D 342 REMARK 465 ALA D 343 REMARK 465 THR D 344 REMARK 465 ASN D 345 REMARK 465 LEU D 346 REMARK 465 PHE D 347 REMARK 465 GLY D 348 REMARK 465 ARG D 349 REMARK 465 GLY D 350 REMARK 465 MET D 351 REMARK 465 ASP D 352 REMARK 465 ILE D 353 REMARK 465 GLU D 354 REMARK 465 ARG D 355 REMARK 465 VAL D 356 REMARK 465 ASN D 357 REMARK 465 ILE D 358 REMARK 465 ALA D 359 REMARK 465 PHE D 360 REMARK 465 ASN D 361 REMARK 465 TYR D 362 REMARK 465 ASP D 363 REMARK 465 MET D 364 REMARK 465 PRO D 365 REMARK 465 GLU D 366 REMARK 465 ASP D 367 REMARK 465 SER D 368 REMARK 465 ASP D 369 REMARK 465 THR D 370 REMARK 465 TYR D 371 REMARK 465 LEU D 372 REMARK 465 HIS D 373 REMARK 465 ARG D 374 REMARK 465 VAL D 375 REMARK 465 ALA D 376 REMARK 465 ARG D 377 REMARK 465 ALA D 378 REMARK 465 GLY D 379 REMARK 465 ARG D 380 REMARK 465 PHE D 381 REMARK 465 GLY D 382 REMARK 465 THR D 383 REMARK 465 LYS D 384 REMARK 465 GLY D 385 REMARK 465 LEU D 386 REMARK 465 ALA D 387 REMARK 465 ILE D 388 REMARK 465 THR D 389 REMARK 465 PHE D 390 REMARK 465 VAL D 391 REMARK 465 SER D 392 REMARK 465 ASP D 393 REMARK 465 GLU D 394 REMARK 465 ASN D 395 REMARK 465 ASP D 396 REMARK 465 ALA D 397 REMARK 465 LYS D 398 REMARK 465 ILE D 399 REMARK 465 LEU D 400 REMARK 465 ASN D 401 REMARK 465 ASP D 402 REMARK 465 VAL D 403 REMARK 465 GLN D 404 REMARK 465 ASP D 405 REMARK 465 ARG D 406 REMARK 465 PHE D 407 REMARK 465 GLU D 408 REMARK 465 VAL D 409 REMARK 465 ASN D 410 REMARK 465 ILE D 411 REMARK 465 SER D 412 REMARK 465 GLU D 413 REMARK 465 LEU D 414 REMARK 465 PRO D 415 REMARK 465 ASP D 416 REMARK 465 GLU D 417 REMARK 465 ILE D 418 REMARK 465 ASP D 419 REMARK 465 ILE D 420 REMARK 465 SER D 421 REMARK 465 SER D 422 REMARK 465 TYR D 423 REMARK 465 ILE D 424 REMARK 465 GLU D 425 REMARK 465 GLN D 426 REMARK 465 THR D 427 REMARK 465 ARG D 428 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 GLU A 653 33.67 -97.05 REMARK 500 CYS A 723 -131.68 38.10 REMARK 500 LEU B 276 52.20 -92.49 REMARK 500 HIS B 301 32.46 -98.22 REMARK 500 ASP B 354 57.51 36.83 REMARK 500 ALA C 28 -131.05 58.86 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-46983 RELATED DB: EMDB REMARK 900 CRYO-EM STRUCTURE OF A HUMAN TREX-2 COMPLEX DBREF 9DLR A 490 800 UNP Q96PV6 LENG8_HUMAN 490 800 DBREF 9DLR B 1 399 UNP Q5JVF3 PCID2_HUMAN 1 399 DBREF 9DLR C 1 70 UNP P60896 SEM1_HUMAN 1 70 DBREF 9DLR D 1 428 UNP Q13838 DX39B_HUMAN 1 428 SEQADV 9DLR GLY A 485 UNP Q96PV6 EXPRESSION TAG SEQADV 9DLR ALA A 486 UNP Q96PV6 EXPRESSION TAG SEQADV 9DLR MET A 487 UNP Q96PV6 EXPRESSION TAG SEQADV 9DLR GLY A 488 UNP Q96PV6 EXPRESSION TAG SEQADV 9DLR SER A 489 UNP Q96PV6 EXPRESSION TAG SEQRES 1 A 316 GLY ALA MET GLY SER ARG SER ARG LYS LYS MET ALA ALA SEQRES 2 A 316 LEU GLU CYS GLU ASP PRO GLU ARG GLU LEU LYS LYS GLN SEQRES 3 A 316 LYS ARG ALA ALA ARG PHE GLN HIS GLY HIS SER ARG ARG SEQRES 4 A 316 LEU ARG LEU GLU PRO LEU VAL LEU GLN MET SER SER LEU SEQRES 5 A 316 GLU SER SER GLY ALA ASP PRO ASP TRP GLN GLU LEU GLN SEQRES 6 A 316 ILE VAL GLY THR CYS PRO ASP ILE THR LYS HIS TYR LEU SEQRES 7 A 316 ARG LEU THR CYS ALA PRO ASP PRO SER THR VAL ARG PRO SEQRES 8 A 316 VAL ALA VAL LEU LYS LYS SER LEU CYS MET VAL LYS CYS SEQRES 9 A 316 HIS TRP LYS GLU LYS GLN ASP TYR ALA PHE ALA CYS GLU SEQRES 10 A 316 GLN MET LYS SER ILE ARG GLN ASP LEU THR VAL GLN GLY SEQRES 11 A 316 ILE ARG THR GLU PHE THR VAL GLU VAL TYR GLU THR HIS SEQRES 12 A 316 ALA ARG ILE ALA LEU GLU LYS GLY ASP HIS GLU GLU PHE SEQRES 13 A 316 ASN GLN CYS GLN THR GLN LEU LYS SER LEU TYR ALA GLU SEQRES 14 A 316 ASN LEU PRO GLY ASN VAL GLY GLU PHE THR ALA TYR ARG SEQRES 15 A 316 ILE LEU TYR TYR ILE PHE THR LYS ASN SER GLY ASP ILE SEQRES 16 A 316 THR THR GLU LEU ALA TYR LEU THR ARG GLU LEU LYS ALA SEQRES 17 A 316 ASP PRO CYS VAL ALA HIS ALA LEU ALA LEU ARG THR ALA SEQRES 18 A 316 TRP ALA LEU GLY ASN TYR HIS ARG PHE PHE ARG LEU TYR SEQRES 19 A 316 CYS HIS ALA PRO CYS MET SER GLY TYR LEU VAL ASP LYS SEQRES 20 A 316 PHE ALA ASP ARG GLU ARG LYS VAL ALA LEU LYS ALA MET SEQRES 21 A 316 ILE LYS THR PHE ARG PRO ALA LEU PRO VAL SER TYR LEU SEQRES 22 A 316 GLN ALA GLU LEU ALA PHE GLU GLY GLU ALA ALA CYS ARG SEQRES 23 A 316 ALA PHE LEU GLU PRO LEU GLY LEU ALA TYR THR GLY PRO SEQRES 24 A 316 ASP ASN SER SER ILE ASP CYS ARG LEU SER LEU ALA GLN SEQRES 25 A 316 LEU SER ALA PHE SEQRES 1 B 399 MET ALA HIS ILE THR ILE ASN GLN TYR LEU GLN GLN VAL SEQRES 2 B 399 TYR GLU ALA ILE ASP SER ARG ASP GLY ALA SER CYS ALA SEQRES 3 B 399 GLU LEU VAL SER PHE LYS HIS PRO HIS VAL ALA ASN PRO SEQRES 4 B 399 ARG LEU GLN MET ALA SER PRO GLU GLU LYS CYS GLN GLN SEQRES 5 B 399 VAL LEU GLU PRO PRO TYR ASP GLU MET PHE ALA ALA HIS SEQRES 6 B 399 LEU ARG CYS THR TYR ALA VAL GLY ASN HIS ASP PHE ILE SEQRES 7 B 399 GLU ALA TYR LYS CYS GLN THR VAL ILE VAL GLN SER PHE SEQRES 8 B 399 LEU ARG ALA PHE GLN ALA HIS LYS GLU GLU ASN TRP ALA SEQRES 9 B 399 LEU PRO VAL MET TYR ALA VAL ALA LEU ASP LEU ARG VAL SEQRES 10 B 399 PHE ALA ASN ASN ALA ASP GLN GLN LEU VAL LYS LYS GLY SEQRES 11 B 399 LYS SER LYS VAL GLY ASP MET LEU GLU LYS ALA ALA GLU SEQRES 12 B 399 LEU LEU MET SER CYS PHE ARG VAL CYS ALA SER ASP THR SEQRES 13 B 399 ARG ALA GLY ILE GLU ASP SER LYS LYS TRP GLY MET LEU SEQRES 14 B 399 PHE LEU VAL ASN GLN LEU PHE LYS ILE TYR PHE LYS ILE SEQRES 15 B 399 ASN LYS LEU HIS LEU CYS LYS PRO LEU ILE ARG ALA ILE SEQRES 16 B 399 ASP SER SER ASN LEU LYS ASP ASP TYR SER THR ALA GLN SEQRES 17 B 399 ARG VAL THR TYR LYS TYR TYR VAL GLY ARG LYS ALA MET SEQRES 18 B 399 PHE ASP SER ASP PHE LYS GLN ALA GLU GLU TYR LEU SER SEQRES 19 B 399 PHE ALA PHE GLU HIS CYS HIS ARG SER SER GLN LYS ASN SEQRES 20 B 399 LYS ARG MET ILE LEU ILE TYR LEU LEU PRO VAL LYS MET SEQRES 21 B 399 LEU LEU GLY HIS MET PRO THR VAL GLU LEU LEU LYS LYS SEQRES 22 B 399 TYR HIS LEU MET GLN PHE ALA GLU VAL THR ARG ALA VAL SEQRES 23 B 399 SER GLU GLY ASN LEU LEU LEU LEU HIS GLU ALA LEU ALA SEQRES 24 B 399 LYS HIS GLU ALA PHE PHE ILE ARG CYS GLY ILE PHE LEU SEQRES 25 B 399 ILE LEU GLU LYS LEU LYS ILE ILE THR TYR ARG ASN LEU SEQRES 26 B 399 PHE LYS LYS VAL TYR LEU LEU LEU LYS THR HIS GLN LEU SEQRES 27 B 399 SER LEU ASP ALA PHE LEU VAL ALA LEU LYS PHE MET GLN SEQRES 28 B 399 VAL GLU ASP VAL ASP ILE ASP GLU VAL GLN CYS ILE LEU SEQRES 29 B 399 ALA ASN LEU ILE TYR MET GLY HIS VAL LYS GLY TYR ILE SEQRES 30 B 399 SER HIS GLN HIS GLN LYS LEU VAL VAL SER LYS GLN ASN SEQRES 31 B 399 PRO PHE PRO PRO LEU SER THR VAL CYS SEQRES 1 C 70 MET SER GLU LYS LYS GLN PRO VAL ASP LEU GLY LEU LEU SEQRES 2 C 70 GLU GLU ASP ASP GLU PHE GLU GLU PHE PRO ALA GLU ASP SEQRES 3 C 70 TRP ALA GLY LEU ASP GLU ASP GLU ASP ALA HIS VAL TRP SEQRES 4 C 70 GLU ASP ASN TRP ASP ASP ASP ASN VAL GLU ASP ASP PHE SEQRES 5 C 70 SER ASN GLN LEU ARG ALA GLU LEU GLU LYS HIS GLY TYR SEQRES 6 C 70 LYS MET GLU THR SER SEQRES 1 D 428 MET ALA GLU ASN ASP VAL ASP ASN GLU LEU LEU ASP TYR SEQRES 2 D 428 GLU ASP ASP GLU VAL GLU THR ALA ALA GLY GLY ASP GLY SEQRES 3 D 428 ALA GLU ALA PRO ALA LYS LYS ASP VAL LYS GLY SER TYR SEQRES 4 D 428 VAL SER ILE HIS SER SER GLY PHE ARG ASP PHE LEU LEU SEQRES 5 D 428 LYS PRO GLU LEU LEU ARG ALA ILE VAL ASP CYS GLY PHE SEQRES 6 D 428 GLU HIS PRO SER GLU VAL GLN HIS GLU CYS ILE PRO GLN SEQRES 7 D 428 ALA ILE LEU GLY MET ASP VAL LEU CYS GLN ALA LYS SER SEQRES 8 D 428 GLY MET GLY LYS THR ALA VAL PHE VAL LEU ALA THR LEU SEQRES 9 D 428 GLN GLN LEU GLU PRO VAL THR GLY GLN VAL SER VAL LEU SEQRES 10 D 428 VAL MET CYS HIS THR ARG GLU LEU ALA PHE GLN ILE SER SEQRES 11 D 428 LYS GLU TYR GLU ARG PHE SER LYS TYR MET PRO ASN VAL SEQRES 12 D 428 LYS VAL ALA VAL PHE PHE GLY GLY LEU SER ILE LYS LYS SEQRES 13 D 428 ASP GLU GLU VAL LEU LYS LYS ASN CYS PRO HIS ILE VAL SEQRES 14 D 428 VAL GLY THR PRO GLY ARG ILE LEU ALA LEU ALA ARG ASN SEQRES 15 D 428 LYS SER LEU ASN LEU LYS HIS ILE LYS HIS PHE ILE LEU SEQRES 16 D 428 ASP GLU CYS ASP LYS MET LEU GLU GLN LEU ASP MET ARG SEQRES 17 D 428 ARG ASP VAL GLN GLU ILE PHE ARG MET THR PRO HIS GLU SEQRES 18 D 428 LYS GLN VAL MET MET PHE SER ALA THR LEU SER LYS GLU SEQRES 19 D 428 ILE ARG PRO VAL CYS ARG LYS PHE MET GLN ASP PRO MET SEQRES 20 D 428 GLU ILE PHE VAL ASP ASP GLU THR LYS LEU THR LEU HIS SEQRES 21 D 428 GLY LEU GLN GLN TYR TYR VAL LYS LEU LYS ASP ASN GLU SEQRES 22 D 428 LYS ASN ARG LYS LEU PHE ASP LEU LEU ASP VAL LEU GLU SEQRES 23 D 428 PHE ASN GLN VAL VAL ILE PHE VAL LYS SER VAL GLN ARG SEQRES 24 D 428 CYS ILE ALA LEU ALA GLN LEU LEU VAL GLU GLN ASN PHE SEQRES 25 D 428 PRO ALA ILE ALA ILE HIS ARG GLY MET PRO GLN GLU GLU SEQRES 26 D 428 ARG LEU SER ARG TYR GLN GLN PHE LYS ASP PHE GLN ARG SEQRES 27 D 428 ARG ILE LEU VAL ALA THR ASN LEU PHE GLY ARG GLY MET SEQRES 28 D 428 ASP ILE GLU ARG VAL ASN ILE ALA PHE ASN TYR ASP MET SEQRES 29 D 428 PRO GLU ASP SER ASP THR TYR LEU HIS ARG VAL ALA ARG SEQRES 30 D 428 ALA GLY ARG PHE GLY THR LYS GLY LEU ALA ILE THR PHE SEQRES 31 D 428 VAL SER ASP GLU ASN ASP ALA LYS ILE LEU ASN ASP VAL SEQRES 32 D 428 GLN ASP ARG PHE GLU VAL ASN ILE SER GLU LEU PRO ASP SEQRES 33 D 428 GLU ILE ASP ILE SER SER TYR ILE GLU GLN THR ARG HELIX 1 AA1 VAL A 576 LYS A 593 1 18 HELIX 2 AA2 ASP A 595 GLY A 614 1 20 HELIX 3 AA3 THR A 617 GLY A 635 1 19 HELIX 4 AA4 ASP A 636 GLU A 653 1 18 HELIX 5 AA5 ASN A 658 THR A 673 1 16 HELIX 6 AA6 ASN A 675 TYR A 685 1 11 HELIX 7 AA7 THR A 687 ASP A 693 1 7 HELIX 8 AA8 ASP A 693 LEU A 708 1 16 HELIX 9 AA9 ASN A 710 HIS A 720 1 11 HELIX 10 AB1 MET A 724 PHE A 748 1 25 HELIX 11 AB2 VAL A 754 LEU A 761 1 8 HELIX 12 AB3 GLU A 764 GLU A 774 1 11 HELIX 13 AB4 CYS A 790 LEU A 794 1 5 HELIX 14 AB5 ALA A 795 LEU A 797 5 3 HELIX 15 AB6 THR B 5 ARG B 20 1 16 HELIX 16 AB7 ASP B 21 SER B 30 1 10 HELIX 17 AB8 HIS B 33 ALA B 37 5 5 HELIX 18 AB9 PRO B 46 LEU B 54 1 9 HELIX 19 AC1 PRO B 57 ASN B 74 1 18 HELIX 20 AC2 ASP B 76 HIS B 98 1 23 HELIX 21 AC3 ALA B 104 GLY B 130 1 27 HELIX 22 AC4 GLY B 135 ASP B 155 1 21 HELIX 23 AC5 SER B 163 TRP B 166 5 4 HELIX 24 AC6 GLY B 167 ILE B 182 1 16 HELIX 25 AC7 LEU B 185 LEU B 187 5 3 HELIX 26 AC8 CYS B 188 SER B 198 1 11 HELIX 27 AC9 SER B 205 ASP B 223 1 19 HELIX 28 AD1 ASP B 225 HIS B 239 1 15 HELIX 29 AD2 SER B 244 LEU B 262 1 19 HELIX 30 AD3 THR B 267 TYR B 274 1 8 HELIX 31 AD4 MET B 277 SER B 287 1 11 HELIX 32 AD5 ASN B 290 HIS B 301 1 12 HELIX 33 AD6 HIS B 301 GLY B 309 1 9 HELIX 34 AD7 ILE B 310 GLU B 315 1 6 HELIX 35 AD8 LYS B 316 LYS B 334 1 19 HELIX 36 AD9 LEU B 340 MET B 350 1 11 HELIX 37 AE1 ASP B 356 MET B 370 1 15 HELIX 38 AE2 ASP C 50 LYS C 62 1 13 SHEET 1 AA1 2 ALA A 751 PRO A 753 0 SHEET 2 AA1 2 SER A 787 ASP A 789 -1 O ILE A 788 N LEU A 752 SHEET 1 AA2 2 MET B 265 PRO B 266 0 SHEET 2 AA2 2 TRP C 39 GLU C 40 -1 O GLU C 40 N MET B 265 SHEET 1 AA3 3 GLN B 337 SER B 339 0 SHEET 2 AA3 3 LYS B 383 VAL B 386 -1 O LEU B 384 N LEU B 338 SHEET 3 AA3 3 GLY B 375 SER B 378 -1 N SER B 378 O LYS B 383 CISPEP 1 ARG A 749 PRO A 750 0 0.17 CISPEP 2 PRO B 56 PRO B 57 0 1.07 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 1805 PHE A 800 TER 5011 VAL B 398 TER 5438 LYS C 66 TER 5484 GLU D 14 MASTER 667 0 0 38 7 0 0 6 5480 4 0 95 END