HEADER NUCLEAR PROTEIN 07-NOV-25 9T6L TITLE CRYO-EM STRUCTURE OF THE HUMAN LENG8-PCID2-DSS1 COMPLEX BOUND TO UAP56 TITLE 2 AND RRP1B COMPND MOL_ID: 1; COMPND 2 MOLECULE: SPLICEOSOME RNA HELICASE DDX39B; COMPND 3 CHAIN: B; COMPND 4 SYNONYM: 56 KDA U2AF65-ASSOCIATED PROTEIN,ATP-DEPENDENT RNA HELICASE COMPND 5 P47,DEAD BOX PROTEIN UAP56,HLA-B-ASSOCIATED TRANSCRIPT 1 PROTEIN; COMPND 6 EC: 3.6.4.13; COMPND 7 ENGINEERED: YES; COMPND 8 MOL_ID: 2; COMPND 9 MOLECULE: LEUKOCYTE RECEPTOR CLUSTER MEMBER 8,RIBOSOMAL RNA COMPND 10 PROCESSING PROTEIN 1 HOMOLOG B; COMPND 11 CHAIN: C; COMPND 12 SYNONYM: RRP1-LIKE PROTEIN B; COMPND 13 ENGINEERED: YES; COMPND 14 OTHER_DETAILS: CHAINS C AND F ARE PART OF THE SAME FUSION PROTEIN COMPND 15 (LENG8(550-800)-GS-RRP1B(742-758). CHAIN C IS LENG8(550-800)., CHAINS COMPND 16 C AND F ARE PART OF THE SAME FUSION PROTEIN (LENG8(550-800)-GS- COMPND 17 RRP1B(742-758). CHAIN F IS RRP1B(742-758).,CHAINS C AND F ARE PART OF COMPND 18 THE SAME FUSION PROTEIN (LENG8(550-800)-GS-RRP1B(742-758). CHAIN C IS COMPND 19 LENG8(550-800)., CHAINS C AND F ARE PART OF THE SAME FUSION PROTEIN COMPND 20 (LENG8(550-800)-GS-RRP1B(742-758). CHAIN F IS RRP1B(742-758).; COMPND 21 MOL_ID: 3; COMPND 22 MOLECULE: PCI DOMAIN-CONTAINING PROTEIN 2; COMPND 23 CHAIN: D; COMPND 24 SYNONYM: CSN12-LIKE PROTEIN; COMPND 25 ENGINEERED: YES; COMPND 26 MOL_ID: 4; COMPND 27 MOLECULE: 26S PROTEASOME COMPLEX SUBUNIT SEM1; COMPND 28 CHAIN: E; COMPND 29 SYNONYM: 26S PROTEASOME COMPLEX SUBUNIT DSS1,DELETED IN SPLIT COMPND 30 HAND/SPLIT FOOT PROTEIN 1,SPLIT HAND/FOOT DELETED PROTEIN 1,SPLIT COMPND 31 HAND/FOOT MALFORMATION TYPE 1 PROTEIN; COMPND 32 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: DDX39B, BAT1, UAP56; 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: LENG8, KIAA1932, RRP1B, KIAA0179; 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: PCID2, HT004; 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: SEM1, C7ORF76, DSS1, SHFDG1, SHFM1; SOURCE 27 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 28 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS RNA METABOLISM, RNA DECAY, SPLICING QUALITY CONTROL, NUCLEAR PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR D.K.ABBAS,F.BONNEAU,J.BASQUIN,E.CONTI,S.SCHUSSLER,M.E.WILKINSON REVDAT 1 27-MAY-26 9T6L 0 JRNL AUTH D.K.ABBAS,F.BONNEAU,M.E.WILKINSON,S.SCHUSSLER,J.BASQUIN, JRNL AUTH 2 E.CONTI JRNL TITL EVOLUTIONARILY CONSERVED SPLICEOSOME-EXOSOME PATHWAY IN JRNL TITL 2 NUCLEAR MRNA SURVEILLANCE. JRNL REF GENES DEV. 2026 JRNL REFN ISSN 0890-9369 JRNL PMID 42140674 JRNL DOI 10.1101/GAD.353594.125 REMARK 2 REMARK 2 RESOLUTION. 2.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : CRYOSPARC, TOPAZ, CRYOSPARC, COOT, UCSF REMARK 3 CHIMERAX, CRYOSPARC, 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) : 2.900 REMARK 3 NUMBER OF PARTICLES : 892731 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 9T6L COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 13-NOV-25. REMARK 100 THE DEPOSITION ID IS D_1292151674. 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 : CRYO-EM STRUCTURE OF THE HUMAN REMARK 245 LENG8-PCID2-DSS1 COMPLEX BOUND REMARK 245 TO UAP56 AND RRP1B 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 : 7.50 REMARK 245 SAMPLE DETAILS : NULL REMARK 245 REMARK 245 DATA ACQUISITION REMARK 245 DATE OF EXPERIMENT : NULL REMARK 245 NUMBER OF MICROGRAPHS-IMAGES : 28229 REMARK 245 TEMPERATURE (KELVIN) : NULL REMARK 245 MICROSCOPE MODEL : TFS KRIOS REMARK 245 DETECTOR TYPE : GATAN K3 BIOQUANTUM (6K X REMARK 245 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 500.00 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) : 6180.00 REMARK 245 ILLUMINATION MODE : FLOOD BEAM REMARK 245 NOMINAL MAGNIFICATION : 105000 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: PENTAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: PENTAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 APPLY THE FOLLOWING TO CHAINS: B, C, D, E 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 B -3 REMARK 465 PRO B -2 REMARK 465 ASP B -1 REMARK 465 SER B 0 REMARK 465 MET B 1 REMARK 465 ALA B 2 REMARK 465 GLU B 3 REMARK 465 ASN B 4 REMARK 465 ASP B 5 REMARK 465 VAL B 6 REMARK 465 ASP B 7 REMARK 465 ASN B 8 REMARK 465 GLU B 9 REMARK 465 ASP B 15 REMARK 465 ASP B 16 REMARK 465 GLU B 17 REMARK 465 VAL B 18 REMARK 465 GLU B 19 REMARK 465 THR B 20 REMARK 465 ALA B 21 REMARK 465 ALA B 22 REMARK 465 GLY B 23 REMARK 465 GLY B 24 REMARK 465 ASP B 25 REMARK 465 GLY B 26 REMARK 465 ALA B 27 REMARK 465 GLU B 28 REMARK 465 ALA B 29 REMARK 465 PRO B 30 REMARK 465 ALA B 31 REMARK 465 LYS B 32 REMARK 465 LYS B 33 REMARK 465 ASP B 34 REMARK 465 VAL B 35 REMARK 465 LYS B 36 REMARK 465 GLY B 37 REMARK 465 SER B 38 REMARK 465 TYR B 39 REMARK 465 VAL B 40 REMARK 465 SER B 41 REMARK 465 ILE B 42 REMARK 465 HIS B 43 REMARK 465 SER B 44 REMARK 465 SER B 45 REMARK 465 GLY B 46 REMARK 465 PHE B 47 REMARK 465 ARG B 48 REMARK 465 ASP B 49 REMARK 465 PHE B 50 REMARK 465 LEU B 51 REMARK 465 LEU B 52 REMARK 465 LYS B 53 REMARK 465 PRO B 54 REMARK 465 GLU B 55 REMARK 465 LEU B 56 REMARK 465 LEU B 57 REMARK 465 ARG B 58 REMARK 465 ALA B 59 REMARK 465 ILE B 60 REMARK 465 VAL B 61 REMARK 465 ASP B 62 REMARK 465 CYS B 63 REMARK 465 GLY B 64 REMARK 465 PHE B 65 REMARK 465 GLU B 66 REMARK 465 HIS B 67 REMARK 465 PRO B 68 REMARK 465 SER B 69 REMARK 465 GLU B 70 REMARK 465 VAL B 71 REMARK 465 GLN B 72 REMARK 465 HIS B 73 REMARK 465 GLU B 74 REMARK 465 CYS B 75 REMARK 465 ILE B 76 REMARK 465 PRO B 77 REMARK 465 GLN B 78 REMARK 465 ALA B 79 REMARK 465 ILE B 80 REMARK 465 LEU B 81 REMARK 465 GLY B 82 REMARK 465 MET B 83 REMARK 465 ASP B 84 REMARK 465 VAL B 85 REMARK 465 LEU B 86 REMARK 465 CYS B 87 REMARK 465 GLN B 88 REMARK 465 ALA B 89 REMARK 465 LYS B 90 REMARK 465 SER B 91 REMARK 465 GLY B 92 REMARK 465 MET B 93 REMARK 465 GLY B 94 REMARK 465 LYS B 95 REMARK 465 THR B 96 REMARK 465 ALA B 97 REMARK 465 VAL B 98 REMARK 465 PHE B 99 REMARK 465 VAL B 100 REMARK 465 LEU B 101 REMARK 465 ALA B 102 REMARK 465 THR B 103 REMARK 465 LEU B 104 REMARK 465 GLN B 105 REMARK 465 GLN B 106 REMARK 465 LEU B 107 REMARK 465 GLU B 108 REMARK 465 PRO B 109 REMARK 465 VAL B 110 REMARK 465 THR B 111 REMARK 465 GLY B 112 REMARK 465 GLN B 113 REMARK 465 VAL B 114 REMARK 465 SER B 115 REMARK 465 VAL B 116 REMARK 465 LEU B 117 REMARK 465 VAL B 118 REMARK 465 MET B 119 REMARK 465 CYS B 120 REMARK 465 HIS B 121 REMARK 465 THR B 122 REMARK 465 ARG B 123 REMARK 465 GLU B 124 REMARK 465 LEU B 125 REMARK 465 ALA B 126 REMARK 465 PHE B 127 REMARK 465 GLN B 128 REMARK 465 ILE B 129 REMARK 465 SER B 130 REMARK 465 LYS B 131 REMARK 465 GLU B 132 REMARK 465 TYR B 133 REMARK 465 GLU B 134 REMARK 465 ARG B 135 REMARK 465 PHE B 136 REMARK 465 SER B 137 REMARK 465 LYS B 138 REMARK 465 TYR B 139 REMARK 465 MET B 140 REMARK 465 PRO B 141 REMARK 465 ASN B 142 REMARK 465 VAL B 143 REMARK 465 LYS B 144 REMARK 465 VAL B 145 REMARK 465 ALA B 146 REMARK 465 VAL B 147 REMARK 465 PHE B 148 REMARK 465 PHE B 149 REMARK 465 GLY B 150 REMARK 465 GLY B 151 REMARK 465 LEU B 152 REMARK 465 SER B 153 REMARK 465 ILE B 154 REMARK 465 LYS B 155 REMARK 465 LYS B 156 REMARK 465 ASP B 157 REMARK 465 GLU B 158 REMARK 465 GLU B 159 REMARK 465 VAL B 160 REMARK 465 LEU B 161 REMARK 465 LYS B 162 REMARK 465 LYS B 163 REMARK 465 ASN B 164 REMARK 465 CYS B 165 REMARK 465 PRO B 166 REMARK 465 HIS B 167 REMARK 465 ILE B 168 REMARK 465 VAL B 169 REMARK 465 VAL B 170 REMARK 465 GLY B 171 REMARK 465 THR B 172 REMARK 465 PRO B 173 REMARK 465 GLY B 174 REMARK 465 ARG B 175 REMARK 465 ILE B 176 REMARK 465 LEU B 177 REMARK 465 ALA B 178 REMARK 465 LEU B 179 REMARK 465 ALA B 180 REMARK 465 ARG B 181 REMARK 465 ASN B 182 REMARK 465 LYS B 183 REMARK 465 SER B 184 REMARK 465 LEU B 185 REMARK 465 ASN B 186 REMARK 465 LEU B 187 REMARK 465 LYS B 188 REMARK 465 HIS B 189 REMARK 465 ILE B 190 REMARK 465 LYS B 191 REMARK 465 HIS B 192 REMARK 465 PHE B 193 REMARK 465 ILE B 194 REMARK 465 LEU B 195 REMARK 465 ASP B 196 REMARK 465 GLU B 197 REMARK 465 CYS B 198 REMARK 465 ASP B 199 REMARK 465 LYS B 200 REMARK 465 MET B 201 REMARK 465 LEU B 202 REMARK 465 GLU B 203 REMARK 465 GLN B 204 REMARK 465 LEU B 205 REMARK 465 ASP B 206 REMARK 465 MET B 207 REMARK 465 ARG B 208 REMARK 465 ARG B 209 REMARK 465 ASP B 210 REMARK 465 VAL B 211 REMARK 465 GLN B 212 REMARK 465 GLU B 213 REMARK 465 ILE B 214 REMARK 465 PHE B 215 REMARK 465 ARG B 216 REMARK 465 MET B 217 REMARK 465 THR B 218 REMARK 465 PRO B 219 REMARK 465 HIS B 220 REMARK 465 GLU B 221 REMARK 465 LYS B 222 REMARK 465 GLN B 223 REMARK 465 VAL B 224 REMARK 465 MET B 225 REMARK 465 MET B 226 REMARK 465 PHE B 227 REMARK 465 SER B 228 REMARK 465 ALA B 229 REMARK 465 THR B 230 REMARK 465 LEU B 231 REMARK 465 SER B 232 REMARK 465 LYS B 233 REMARK 465 GLU B 234 REMARK 465 ILE B 235 REMARK 465 ARG B 236 REMARK 465 PRO B 237 REMARK 465 VAL B 238 REMARK 465 CYS B 239 REMARK 465 ARG B 240 REMARK 465 LYS B 241 REMARK 465 PHE B 242 REMARK 465 MET B 243 REMARK 465 GLN B 244 REMARK 465 ASP B 245 REMARK 465 PRO B 246 REMARK 465 MET B 247 REMARK 465 GLU B 248 REMARK 465 ILE B 249 REMARK 465 PHE B 250 REMARK 465 VAL B 251 REMARK 465 ASP B 252 REMARK 465 ASP B 253 REMARK 465 GLU B 254 REMARK 465 THR B 255 REMARK 465 LYS B 256 REMARK 465 LEU B 257 REMARK 465 THR B 258 REMARK 465 LEU B 259 REMARK 465 HIS B 260 REMARK 465 GLY B 261 REMARK 465 LEU B 262 REMARK 465 GLN B 263 REMARK 465 GLN B 264 REMARK 465 TYR B 265 REMARK 465 TYR B 266 REMARK 465 VAL B 267 REMARK 465 LYS B 268 REMARK 465 LEU B 269 REMARK 465 LYS B 270 REMARK 465 ASP B 271 REMARK 465 ASN B 272 REMARK 465 GLU B 273 REMARK 465 LYS B 274 REMARK 465 ASN B 275 REMARK 465 ARG B 276 REMARK 465 LYS B 277 REMARK 465 LEU B 278 REMARK 465 PHE B 279 REMARK 465 ASP B 280 REMARK 465 LEU B 281 REMARK 465 LEU B 282 REMARK 465 ASP B 283 REMARK 465 VAL B 284 REMARK 465 LEU B 285 REMARK 465 GLU B 286 REMARK 465 PHE B 287 REMARK 465 ASN B 288 REMARK 465 GLN B 289 REMARK 465 VAL B 290 REMARK 465 VAL B 291 REMARK 465 ILE B 292 REMARK 465 PHE B 293 REMARK 465 VAL B 294 REMARK 465 LYS B 295 REMARK 465 SER B 296 REMARK 465 VAL B 297 REMARK 465 GLN B 298 REMARK 465 ARG B 299 REMARK 465 CYS B 300 REMARK 465 ILE B 301 REMARK 465 ALA B 302 REMARK 465 LEU B 303 REMARK 465 ALA B 304 REMARK 465 GLN B 305 REMARK 465 LEU B 306 REMARK 465 LEU B 307 REMARK 465 VAL B 308 REMARK 465 GLU B 309 REMARK 465 GLN B 310 REMARK 465 ASN B 311 REMARK 465 PHE B 312 REMARK 465 PRO B 313 REMARK 465 ALA B 314 REMARK 465 ILE B 315 REMARK 465 ALA B 316 REMARK 465 ILE B 317 REMARK 465 HIS B 318 REMARK 465 ARG B 319 REMARK 465 GLY B 320 REMARK 465 MET B 321 REMARK 465 PRO B 322 REMARK 465 GLN B 323 REMARK 465 GLU B 324 REMARK 465 GLU B 325 REMARK 465 ARG B 326 REMARK 465 LEU B 327 REMARK 465 SER B 328 REMARK 465 ARG B 329 REMARK 465 TYR B 330 REMARK 465 GLN B 331 REMARK 465 GLN B 332 REMARK 465 PHE B 333 REMARK 465 LYS B 334 REMARK 465 ASP B 335 REMARK 465 PHE B 336 REMARK 465 GLN B 337 REMARK 465 ARG B 338 REMARK 465 ARG B 339 REMARK 465 ILE B 340 REMARK 465 LEU B 341 REMARK 465 VAL B 342 REMARK 465 ALA B 343 REMARK 465 THR B 344 REMARK 465 ASN B 345 REMARK 465 LEU B 346 REMARK 465 PHE B 347 REMARK 465 GLY B 348 REMARK 465 ARG B 349 REMARK 465 GLY B 350 REMARK 465 MET B 351 REMARK 465 ASP B 352 REMARK 465 ILE B 353 REMARK 465 GLU B 354 REMARK 465 ARG B 355 REMARK 465 VAL B 356 REMARK 465 ASN B 357 REMARK 465 ILE B 358 REMARK 465 ALA B 359 REMARK 465 PHE B 360 REMARK 465 ASN B 361 REMARK 465 TYR B 362 REMARK 465 ASP B 363 REMARK 465 MET B 364 REMARK 465 PRO B 365 REMARK 465 GLU B 366 REMARK 465 ASP B 367 REMARK 465 SER B 368 REMARK 465 ASP B 369 REMARK 465 THR B 370 REMARK 465 TYR B 371 REMARK 465 LEU B 372 REMARK 465 HIS B 373 REMARK 465 ARG B 374 REMARK 465 VAL B 375 REMARK 465 ALA B 376 REMARK 465 ARG B 377 REMARK 465 ALA B 378 REMARK 465 GLY B 379 REMARK 465 ARG B 380 REMARK 465 PHE B 381 REMARK 465 GLY B 382 REMARK 465 THR B 383 REMARK 465 LYS B 384 REMARK 465 GLY B 385 REMARK 465 LEU B 386 REMARK 465 ALA B 387 REMARK 465 ILE B 388 REMARK 465 THR B 389 REMARK 465 PHE B 390 REMARK 465 VAL B 391 REMARK 465 SER B 392 REMARK 465 ASP B 393 REMARK 465 GLU B 394 REMARK 465 ASN B 395 REMARK 465 ASP B 396 REMARK 465 ALA B 397 REMARK 465 LYS B 398 REMARK 465 ILE B 399 REMARK 465 LEU B 400 REMARK 465 ASN B 401 REMARK 465 ASP B 402 REMARK 465 VAL B 403 REMARK 465 GLN B 404 REMARK 465 ASP B 405 REMARK 465 ARG B 406 REMARK 465 PHE B 407 REMARK 465 GLU B 408 REMARK 465 VAL B 409 REMARK 465 ASN B 410 REMARK 465 ILE B 411 REMARK 465 SER B 412 REMARK 465 GLU B 413 REMARK 465 LEU B 414 REMARK 465 PRO B 415 REMARK 465 ASP B 416 REMARK 465 GLU B 417 REMARK 465 ILE B 418 REMARK 465 ASP B 419 REMARK 465 ILE B 420 REMARK 465 SER B 421 REMARK 465 SER B 422 REMARK 465 TYR B 423 REMARK 465 ILE B 424 REMARK 465 GLU B 425 REMARK 465 GLN B 426 REMARK 465 THR B 427 REMARK 465 ARG B 428 REMARK 465 GLY C 547 REMARK 465 PRO C 548 REMARK 465 ASP C 549 REMARK 465 ILE C 550 REMARK 465 VAL C 551 REMARK 465 GLY C 552 REMARK 465 THR C 553 REMARK 465 CYS C 554 REMARK 465 PRO C 555 REMARK 465 ASP C 556 REMARK 465 ILE C 557 REMARK 465 THR C 558 REMARK 465 LYS C 559 REMARK 465 HIS C 560 REMARK 465 TYR C 561 REMARK 465 LEU C 562 REMARK 465 ARG C 563 REMARK 465 LEU C 564 REMARK 465 THR C 565 REMARK 465 CYS C 566 REMARK 465 ALA C 567 REMARK 465 PRO C 568 REMARK 465 ASP C 569 REMARK 465 PRO C 570 REMARK 465 SER C 571 REMARK 465 THR C 572 REMARK 465 GLY C 782 REMARK 465 PRO C 783 REMARK 465 ASP C 784 REMARK 465 LEU C 794 REMARK 465 ALA C 795 REMARK 465 GLN C 796 REMARK 465 LEU C 797 REMARK 465 SER C 798 REMARK 465 ALA C 799 REMARK 465 PHE C 800 REMARK 465 GLY C 801 REMARK 465 SER C 802 REMARK 465 LYS C 803 REMARK 465 PRO C 804 REMARK 465 LEU C 805 REMARK 465 THR C 806 REMARK 465 THR C 807 REMARK 465 THR C 808 REMARK 465 PRO C 809 REMARK 465 ARG C 810 REMARK 465 ARG C 811 REMARK 465 MET D -2 REMARK 465 GLY D -1 REMARK 465 SER D 0 REMARK 465 MET D 1 REMARK 465 ALA D 2 REMARK 465 HIS D 3 REMARK 465 LYS D 129 REMARK 465 GLY D 130 REMARK 465 LYS D 131 REMARK 465 SER D 132 REMARK 465 LYS D 133 REMARK 465 VAL D 134 REMARK 465 GLY D 135 REMARK 465 CYS D 399 REMARK 465 MET E 1 REMARK 465 SER E 2 REMARK 465 GLU E 3 REMARK 465 LYS E 4 REMARK 465 LYS E 5 REMARK 465 GLN E 6 REMARK 465 PRO E 7 REMARK 465 VAL E 8 REMARK 465 ASP E 9 REMARK 465 LEU E 10 REMARK 465 GLY E 11 REMARK 465 LEU E 12 REMARK 465 LEU E 13 REMARK 465 GLU E 14 REMARK 465 GLU E 15 REMARK 465 ASP E 16 REMARK 465 THR E 69 REMARK 465 SER E 70 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 ASN D 38 CG OD1 ND2 REMARK 470 ARG D 40 CG CD NE CZ NH1 NH2 REMARK 470 MET D 43 CG SD CE REMARK 470 GLU D 47 CG CD OE1 OE2 REMARK 470 GLU D 48 CG CD OE1 OE2 REMARK 470 LYS D 49 CG CD CE NZ REMARK 470 GLN D 52 CG CD OE1 NE2 REMARK 470 LEU D 54 CG CD1 CD2 REMARK 470 GLU D 55 CG CD OE1 OE2 REMARK 470 GLU D 100 CG CD OE1 OE2 REMARK 470 ASP D 155 CG OD1 OD2 REMARK 470 ARG D 157 CG CD NE CZ NH1 NH2 REMARK 470 GLU D 161 CG CD OE1 OE2 REMARK 470 ASP D 162 CG OD1 OD2 REMARK 470 LYS D 184 CG CD CE NZ REMARK 470 GLU D 353 CG CD OE1 OE2 REMARK 470 ASP D 354 CG OD1 OD2 REMARK 470 ASP E 35 CG OD1 OD2 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 CYS C 723 -138.84 62.75 REMARK 500 LEU D 41 32.02 -92.48 REMARK 500 PRO D 57 104.13 -57.49 REMARK 500 TYR D 58 -31.41 -135.57 REMARK 500 LYS D 164 49.96 -84.81 REMARK 500 HIS D 239 59.83 -96.26 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-55617 RELATED DB: EMDB REMARK 900 CRYO-EM STRUCTURE OF THE HUMAN LENG8-PCID2-DSS1 COMPLEX BOUND TO REMARK 900 UAP56 AND RRP1B DBREF 9T6L B 1 428 UNP Q13838 DX39B_HUMAN 1 428 DBREF 9T6L C 550 800 UNP Q96PV6 LENG8_HUMAN 550 800 DBREF 9T6L C 803 819 UNP Q14684 RRP1B_HUMAN 742 758 DBREF 9T6L D 1 399 UNP Q5JVF3 PCID2_HUMAN 1 399 DBREF 9T6L E 1 70 UNP P60896 SEM1_HUMAN 1 70 SEQADV 9T6L GLY B -3 UNP Q13838 EXPRESSION TAG SEQADV 9T6L PRO B -2 UNP Q13838 EXPRESSION TAG SEQADV 9T6L ASP B -1 UNP Q13838 EXPRESSION TAG SEQADV 9T6L SER B 0 UNP Q13838 EXPRESSION TAG SEQADV 9T6L GLY C 547 UNP Q96PV6 EXPRESSION TAG SEQADV 9T6L PRO C 548 UNP Q96PV6 EXPRESSION TAG SEQADV 9T6L ASP C 549 UNP Q96PV6 EXPRESSION TAG SEQADV 9T6L GLY C 801 UNP Q96PV6 LINKER SEQADV 9T6L SER C 802 UNP Q96PV6 LINKER SEQADV 9T6L MET D -2 UNP Q5JVF3 INITIATING METHIONINE SEQADV 9T6L GLY D -1 UNP Q5JVF3 EXPRESSION TAG SEQADV 9T6L SER D 0 UNP Q5JVF3 EXPRESSION TAG SEQRES 1 B 432 GLY PRO ASP SER MET ALA GLU ASN ASP VAL ASP ASN GLU SEQRES 2 B 432 LEU LEU ASP TYR GLU ASP ASP GLU VAL GLU THR ALA ALA SEQRES 3 B 432 GLY GLY ASP GLY ALA GLU ALA PRO ALA LYS LYS ASP VAL SEQRES 4 B 432 LYS GLY SER TYR VAL SER ILE HIS SER SER GLY PHE ARG SEQRES 5 B 432 ASP PHE LEU LEU LYS PRO GLU LEU LEU ARG ALA ILE VAL SEQRES 6 B 432 ASP CYS GLY PHE GLU HIS PRO SER GLU VAL GLN HIS GLU SEQRES 7 B 432 CYS ILE PRO GLN ALA ILE LEU GLY MET ASP VAL LEU CYS SEQRES 8 B 432 GLN ALA LYS SER GLY MET GLY LYS THR ALA VAL PHE VAL SEQRES 9 B 432 LEU ALA THR LEU GLN GLN LEU GLU PRO VAL THR GLY GLN SEQRES 10 B 432 VAL SER VAL LEU VAL MET CYS HIS THR ARG GLU LEU ALA SEQRES 11 B 432 PHE GLN ILE SER LYS GLU TYR GLU ARG PHE SER LYS TYR SEQRES 12 B 432 MET PRO ASN VAL LYS VAL ALA VAL PHE PHE GLY GLY LEU SEQRES 13 B 432 SER ILE LYS LYS ASP GLU GLU VAL LEU LYS LYS ASN CYS SEQRES 14 B 432 PRO HIS ILE VAL VAL GLY THR PRO GLY ARG ILE LEU ALA SEQRES 15 B 432 LEU ALA ARG ASN LYS SER LEU ASN LEU LYS HIS ILE LYS SEQRES 16 B 432 HIS PHE ILE LEU ASP GLU CYS ASP LYS MET LEU GLU GLN SEQRES 17 B 432 LEU ASP MET ARG ARG ASP VAL GLN GLU ILE PHE ARG MET SEQRES 18 B 432 THR PRO HIS GLU LYS GLN VAL MET MET PHE SER ALA THR SEQRES 19 B 432 LEU SER LYS GLU ILE ARG PRO VAL CYS ARG LYS PHE MET SEQRES 20 B 432 GLN ASP PRO MET GLU ILE PHE VAL ASP ASP GLU THR LYS SEQRES 21 B 432 LEU THR LEU HIS GLY LEU GLN GLN TYR TYR VAL LYS LEU SEQRES 22 B 432 LYS ASP ASN GLU LYS ASN ARG LYS LEU PHE ASP LEU LEU SEQRES 23 B 432 ASP VAL LEU GLU PHE ASN GLN VAL VAL ILE PHE VAL LYS SEQRES 24 B 432 SER VAL GLN ARG CYS ILE ALA LEU ALA GLN LEU LEU VAL SEQRES 25 B 432 GLU GLN ASN PHE PRO ALA ILE ALA ILE HIS ARG GLY MET SEQRES 26 B 432 PRO GLN GLU GLU ARG LEU SER ARG TYR GLN GLN PHE LYS SEQRES 27 B 432 ASP PHE GLN ARG ARG ILE LEU VAL ALA THR ASN LEU PHE SEQRES 28 B 432 GLY ARG GLY MET ASP ILE GLU ARG VAL ASN ILE ALA PHE SEQRES 29 B 432 ASN TYR ASP MET PRO GLU ASP SER ASP THR TYR LEU HIS SEQRES 30 B 432 ARG VAL ALA ARG ALA GLY ARG PHE GLY THR LYS GLY LEU SEQRES 31 B 432 ALA ILE THR PHE VAL SER ASP GLU ASN ASP ALA LYS ILE SEQRES 32 B 432 LEU ASN ASP VAL GLN ASP ARG PHE GLU VAL ASN ILE SER SEQRES 33 B 432 GLU LEU PRO ASP GLU ILE ASP ILE SER SER TYR ILE GLU SEQRES 34 B 432 GLN THR ARG SEQRES 1 C 273 GLY PRO ASP ILE VAL GLY THR CYS PRO ASP ILE THR LYS SEQRES 2 C 273 HIS TYR LEU ARG LEU THR CYS ALA PRO ASP PRO SER THR SEQRES 3 C 273 VAL ARG PRO VAL ALA VAL LEU LYS LYS SER LEU CYS MET SEQRES 4 C 273 VAL LYS CYS HIS TRP LYS GLU LYS GLN ASP TYR ALA PHE SEQRES 5 C 273 ALA CYS GLU GLN MET LYS SER ILE ARG GLN ASP LEU THR SEQRES 6 C 273 VAL GLN GLY ILE ARG THR GLU PHE THR VAL GLU VAL TYR SEQRES 7 C 273 GLU THR HIS ALA ARG ILE ALA LEU GLU LYS GLY ASP HIS SEQRES 8 C 273 GLU GLU PHE ASN GLN CYS GLN THR GLN LEU LYS SER LEU SEQRES 9 C 273 TYR ALA GLU ASN LEU PRO GLY ASN VAL GLY GLU PHE THR SEQRES 10 C 273 ALA TYR ARG ILE LEU TYR TYR ILE PHE THR LYS ASN SER SEQRES 11 C 273 GLY ASP ILE THR THR GLU LEU ALA TYR LEU THR ARG GLU SEQRES 12 C 273 LEU LYS ALA ASP PRO CYS VAL ALA HIS ALA LEU ALA LEU SEQRES 13 C 273 ARG THR ALA TRP ALA LEU GLY ASN TYR HIS ARG PHE PHE SEQRES 14 C 273 ARG LEU TYR CYS HIS ALA PRO CYS MET SER GLY TYR LEU SEQRES 15 C 273 VAL ASP LYS PHE ALA ASP ARG GLU ARG LYS VAL ALA LEU SEQRES 16 C 273 LYS ALA MET ILE LYS THR PHE ARG PRO ALA LEU PRO VAL SEQRES 17 C 273 SER TYR LEU GLN ALA GLU LEU ALA PHE GLU GLY GLU ALA SEQRES 18 C 273 ALA CYS ARG ALA PHE LEU GLU PRO LEU GLY LEU ALA TYR SEQRES 19 C 273 THR GLY PRO ASP ASN SER SER ILE ASP CYS ARG LEU SER SEQRES 20 C 273 LEU ALA GLN LEU SER ALA PHE GLY SER LYS PRO LEU THR SEQRES 21 C 273 THR THR PRO ARG ARG ARG PRO ARG ALA MET ASP PHE PHE SEQRES 1 D 402 MET GLY SER MET ALA HIS ILE THR ILE ASN GLN TYR LEU SEQRES 2 D 402 GLN GLN VAL TYR GLU ALA ILE ASP SER ARG ASP GLY ALA SEQRES 3 D 402 SER CYS ALA GLU LEU VAL SER PHE LYS HIS PRO HIS VAL SEQRES 4 D 402 ALA ASN PRO ARG LEU GLN MET ALA SER PRO GLU GLU LYS SEQRES 5 D 402 CYS GLN GLN VAL LEU GLU PRO PRO TYR ASP GLU MET PHE SEQRES 6 D 402 ALA ALA HIS LEU ARG CYS THR TYR ALA VAL GLY ASN HIS SEQRES 7 D 402 ASP PHE ILE GLU ALA TYR LYS CYS GLN THR VAL ILE VAL SEQRES 8 D 402 GLN SER PHE LEU ARG ALA PHE GLN ALA HIS LYS GLU GLU SEQRES 9 D 402 ASN TRP ALA LEU PRO VAL MET TYR ALA VAL ALA LEU ASP SEQRES 10 D 402 LEU ARG VAL PHE ALA ASN ASN ALA ASP GLN GLN LEU VAL SEQRES 11 D 402 LYS LYS GLY LYS SER LYS VAL GLY ASP MET LEU GLU LYS SEQRES 12 D 402 ALA ALA GLU LEU LEU MET SER CYS PHE ARG VAL CYS ALA SEQRES 13 D 402 SER ASP THR ARG ALA GLY ILE GLU ASP SER LYS LYS TRP SEQRES 14 D 402 GLY MET LEU PHE LEU VAL ASN GLN LEU PHE LYS ILE TYR SEQRES 15 D 402 PHE LYS ILE ASN LYS LEU HIS LEU CYS LYS PRO LEU ILE SEQRES 16 D 402 ARG ALA ILE ASP SER SER ASN LEU LYS ASP ASP TYR SER SEQRES 17 D 402 THR ALA GLN ARG VAL THR TYR LYS TYR TYR VAL GLY ARG SEQRES 18 D 402 LYS ALA MET PHE ASP SER ASP PHE LYS GLN ALA GLU GLU SEQRES 19 D 402 TYR LEU SER PHE ALA PHE GLU HIS CYS HIS ARG SER SER SEQRES 20 D 402 GLN LYS ASN LYS ARG MET ILE LEU ILE TYR LEU LEU PRO SEQRES 21 D 402 VAL LYS MET LEU LEU GLY HIS MET PRO THR VAL GLU LEU SEQRES 22 D 402 LEU LYS LYS TYR HIS LEU MET GLN PHE ALA GLU VAL THR SEQRES 23 D 402 ARG ALA VAL SER GLU GLY ASN LEU LEU LEU LEU HIS GLU SEQRES 24 D 402 ALA LEU ALA LYS HIS GLU ALA PHE PHE ILE ARG CYS GLY SEQRES 25 D 402 ILE PHE LEU ILE LEU GLU LYS LEU LYS ILE ILE THR TYR SEQRES 26 D 402 ARG ASN LEU PHE LYS LYS VAL TYR LEU LEU LEU LYS THR SEQRES 27 D 402 HIS GLN LEU SER LEU ASP ALA PHE LEU VAL ALA LEU LYS SEQRES 28 D 402 PHE MET GLN VAL GLU ASP VAL ASP ILE ASP GLU VAL GLN SEQRES 29 D 402 CYS ILE LEU ALA ASN LEU ILE TYR MET GLY HIS VAL LYS SEQRES 30 D 402 GLY TYR ILE SER HIS GLN HIS GLN LYS LEU VAL VAL SER SEQRES 31 D 402 LYS GLN ASN PRO PHE PRO PRO LEU SER THR VAL CYS SEQRES 1 E 70 MET SER GLU LYS LYS GLN PRO VAL ASP LEU GLY LEU LEU SEQRES 2 E 70 GLU GLU ASP ASP GLU PHE GLU GLU PHE PRO ALA GLU ASP SEQRES 3 E 70 TRP ALA GLY LEU ASP GLU ASP GLU ASP ALA HIS VAL TRP SEQRES 4 E 70 GLU ASP ASN TRP ASP ASP ASP ASN VAL GLU ASP ASP PHE SEQRES 5 E 70 SER ASN GLN LEU ARG ALA GLU LEU GLU LYS HIS GLY TYR SEQRES 6 E 70 LYS MET GLU THR SER HELIX 1 AA1 PRO C 575 LYS C 591 1 17 HELIX 2 AA2 ASP C 595 GLY C 614 1 20 HELIX 3 AA3 THR C 617 GLY C 635 1 19 HELIX 4 AA4 ASP C 636 ALA C 652 1 17 HELIX 5 AA5 VAL C 659 THR C 673 1 15 HELIX 6 AA6 ASN C 675 ALA C 684 1 10 HELIX 7 AA7 THR C 687 ALA C 692 1 6 HELIX 8 AA8 ASP C 693 GLY C 709 1 17 HELIX 9 AA9 ASN C 710 HIS C 720 1 11 HELIX 10 AB1 MET C 724 ASP C 730 1 7 HELIX 11 AB2 PHE C 732 PHE C 748 1 17 HELIX 12 AB3 PRO C 753 LEU C 761 1 9 HELIX 13 AB4 GLY C 765 GLU C 774 1 10 HELIX 14 AB5 PRO C 775 GLY C 777 5 3 HELIX 15 AB6 ARG C 814 PHE C 819 5 6 HELIX 16 AB7 THR D 5 SER D 19 1 15 HELIX 17 AB8 ALA D 23 SER D 30 1 8 HELIX 18 AB9 HIS D 33 GLN D 42 5 10 HELIX 19 AC1 SER D 45 LYS D 49 5 5 HELIX 20 AC2 TYR D 58 ASN D 74 1 17 HELIX 21 AC3 PHE D 77 GLN D 96 1 20 HELIX 22 AC4 ALA D 104 VAL D 127 1 24 HELIX 23 AC5 MET D 137 SER D 154 1 18 HELIX 24 AC6 GLY D 159 SER D 163 5 5 HELIX 25 AC7 GLY D 167 ASN D 183 1 17 HELIX 26 AC8 LEU D 187 SER D 198 1 12 HELIX 27 AC9 SER D 205 PHE D 222 1 18 HELIX 28 AD1 LYS D 227 HIS D 239 1 13 HELIX 29 AD2 SER D 244 LEU D 262 1 19 HELIX 30 AD3 THR D 267 TYR D 274 1 8 HELIX 31 AD4 LEU D 276 GLN D 278 5 3 HELIX 32 AD5 PHE D 279 GLY D 289 1 11 HELIX 33 AD6 ASN D 290 HIS D 301 1 12 HELIX 34 AD7 HIS D 301 GLY D 309 1 9 HELIX 35 AD8 ILE D 310 GLU D 315 1 6 HELIX 36 AD9 LEU D 317 LYS D 334 1 18 HELIX 37 AE1 LEU D 340 MET D 350 1 11 HELIX 38 AE2 ASP D 356 MET D 370 1 15 HELIX 39 AE3 ASP E 50 HIS E 63 1 14 SHEET 1 AA1 2 MET D 265 PRO D 266 0 SHEET 2 AA1 2 TRP E 39 GLU E 40 -1 O GLU E 40 N MET D 265 SHEET 1 AA2 3 GLN D 337 SER D 339 0 SHEET 2 AA2 3 LYS D 383 VAL D 386 -1 O LEU D 384 N LEU D 338 SHEET 3 AA2 3 GLY D 375 SER D 378 -1 N SER D 378 O LYS D 383 SSBOND 1 CYS C 584 CYS C 588 1555 1555 2.05 SSBOND 2 CYS D 68 CYS D 83 1555 1555 2.04 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 CONECT 136 166 CONECT 166 136 CONECT 2354 2475 CONECT 2475 2354 MASTER 664 0 0 39 5 0 0 6 5400 4 4 92 END