HEADER SIGNALING PROTEIN 01-DEC-25 9ZFO TITLE CRYO-EM STRUCTURE OF HUMAN STAT2-USP18-ISG15 COMPLEX COMPND MOL_ID: 1; COMPND 2 MOLECULE: UBL CARBOXYL-TERMINAL HYDROLASE 18; COMPND 3 CHAIN: U; COMPND 4 SYNONYM: 43 KDA ISG15-SPECIFIC PROTEASE,HUBP43,ISG15-SPECIFIC- COMPND 5 PROCESSING PROTEASE,UBL THIOESTERASE 18; COMPND 6 EC: 3.4.19.12; COMPND 7 ENGINEERED: YES; COMPND 8 MOL_ID: 2; COMPND 9 MOLECULE: SIGNAL TRANSDUCER AND ACTIVATOR OF TRANSCRIPTION 2; COMPND 10 CHAIN: S; COMPND 11 SYNONYM: P113; COMPND 12 ENGINEERED: YES; COMPND 13 MOL_ID: 3; COMPND 14 MOLECULE: UBIQUITIN-LIKE PROTEIN ISG15; COMPND 15 CHAIN: I; COMPND 16 SYNONYM: INTERFERON-INDUCED 15 KDA PROTEIN,INTERFERON-INDUCED 17 KDA COMPND 17 PROTEIN,IP17,UBIQUITIN CROSS-REACTIVE PROTEIN,HUCRP; COMPND 18 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: USP18, ISG43; SOURCE 6 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 7108; SOURCE 8 EXPRESSION_SYSTEM_ATCC_NUMBER: CRL-1711; SOURCE 9 EXPRESSION_SYSTEM_TISSUE: OVARY; SOURCE 10 EXPRESSION_SYSTEM_CELL: EPITHELIAL; SOURCE 11 MOL_ID: 2; SOURCE 12 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 13 ORGANISM_COMMON: HUMAN; SOURCE 14 ORGANISM_TAXID: 9606; SOURCE 15 GENE: STAT2; SOURCE 16 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA; SOURCE 17 EXPRESSION_SYSTEM_TAXID: 7108; SOURCE 18 EXPRESSION_SYSTEM_ATCC_NUMBER: CRL-1711; SOURCE 19 EXPRESSION_SYSTEM_TISSUE: OVARY; SOURCE 20 EXPRESSION_SYSTEM_CELL: EPITHELIAL; SOURCE 21 MOL_ID: 3; SOURCE 22 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 23 ORGANISM_COMMON: HUMAN; SOURCE 24 ORGANISM_TAXID: 9606; SOURCE 25 GENE: ISG15, G1P2, UCRP; SOURCE 26 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA; SOURCE 27 EXPRESSION_SYSTEM_TAXID: 7108; SOURCE 28 EXPRESSION_SYSTEM_ATCC_NUMBER: CRL-1711; SOURCE 29 EXPRESSION_SYSTEM_TISSUE: OVARY; SOURCE 30 EXPRESSION_SYSTEM_CELL: EPITHELIAL KEYWDS DEUBIQUITINATING ENZYME, ISGYLATION, TRANSCRIPTION FACTOR, SIGNALING KEYWDS 2 PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR K.W.HUYNH,M.YAMAGUCHI REVDAT 1 18-MAR-26 9ZFO 0 JRNL AUTH K.W.HUYNH,R.PLUMB,D.R.HEALY,V.JOVE,E.C.RALPH,C.W.LEE, JRNL AUTH 2 H.WHEELER,K.LEVINE,Z.HUANG,K.FENNELL,R.A.CORPINA,T.CRAIG, JRNL AUTH 3 P.D.WES,P.M.LORIA,M.SCHENONE,S.HAN,F.WANG,H.WU,M.YAMAGUCHI JRNL TITL INSIGHT INTO THE SCAFFOLDING FUNCTION OF USP18 FROM A HIGH JRNL TITL 2 RESOLUTION CRYO-EM STRUCTURE OF STAT2-USP18-ISG15 TERNARY JRNL TITL 3 COMPLEX JRNL REF BIORXIV 2026 JRNL REFN ISSN 2692-8205 JRNL DOI 10.64898/2026.02.12.705587 REMARK 2 REMARK 2 RESOLUTION. 3.05 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : CRYOSPARC, TOPAZ, EPU, CRYOSPARC, REMARK 3 CRYOSPARC, 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) : 3.050 REMARK 3 NUMBER OF PARTICLES : 143496 REMARK 3 CTF CORRECTION METHOD : NONE REMARK 3 REMARK 3 EM RECONSTRUCTION MAGNIFICATION CALIBRATION: NULL REMARK 3 REMARK 3 OTHER DETAILS: NULL REMARK 4 REMARK 4 9ZFO COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 23-DEC-25. REMARK 100 THE DEPOSITION ID IS D_1000302741. 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 STAT2-USP18-ISG15 PROTEIN REMARK 245 COMPLEX REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : 0.80 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 : 16605 REMARK 245 TEMPERATURE (KELVIN) : NULL REMARK 245 MICROSCOPE MODEL : TFS KRIOS REMARK 245 DETECTOR TYPE : FEI FALCON IV (4K X 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 800.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 2800.00 REMARK 245 MINIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 MAXIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 NOMINAL CS : 2.70 REMARK 245 IMAGING MODE : BRIGHT FIELD REMARK 245 ELECTRON DOSE (ELECTRONS NM**-2) : 4000.00 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: TRIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: U, S, I 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 LEU U 26 REMARK 465 GLU U 27 REMARK 465 GLU U 28 REMARK 465 LYS U 29 REMARK 465 LYS U 30 REMARK 465 GLU U 31 REMARK 465 GLU U 32 REMARK 465 ASP U 33 REMARK 465 SER U 34 REMARK 465 ASN U 35 REMARK 465 MET U 36 REMARK 465 LYS U 37 REMARK 465 ARG U 38 REMARK 465 GLU U 39 REMARK 465 GLN U 40 REMARK 465 PRO U 41 REMARK 465 ARG U 42 REMARK 465 GLU U 43 REMARK 465 ARG U 44 REMARK 465 PRO U 45 REMARK 465 ARG U 46 REMARK 465 PHE U 281 REMARK 465 SER U 282 REMARK 465 GLN U 283 REMARK 465 ILE U 284 REMARK 465 LEU U 285 REMARK 465 PRO U 286 REMARK 465 MET U 287 REMARK 465 LYS U 288 REMARK 465 ARG U 289 REMARK 465 GLU U 290 REMARK 465 SER U 291 REMARK 465 CYS U 292 REMARK 465 ASP U 293 REMARK 465 ALA U 294 REMARK 465 GLU U 295 REMARK 465 GLU U 296 REMARK 465 GLN U 297 REMARK 465 SER U 298 REMARK 465 MET U 370 REMARK 465 GLU U 371 REMARK 465 CYS U 372 REMARK 465 MET S 1 REMARK 465 ALA S 2 REMARK 465 GLN S 3 REMARK 465 TRP S 4 REMARK 465 GLU S 5 REMARK 465 MET S 6 REMARK 465 LEU S 7 REMARK 465 GLN S 8 REMARK 465 ASN S 9 REMARK 465 LEU S 10 REMARK 465 ASP S 11 REMARK 465 SER S 12 REMARK 465 PRO S 13 REMARK 465 PHE S 14 REMARK 465 GLN S 15 REMARK 465 ASP S 16 REMARK 465 GLN S 17 REMARK 465 LEU S 18 REMARK 465 HIS S 19 REMARK 465 GLN S 20 REMARK 465 LEU S 21 REMARK 465 TYR S 22 REMARK 465 SER S 23 REMARK 465 HIS S 24 REMARK 465 SER S 25 REMARK 465 LEU S 26 REMARK 465 LEU S 27 REMARK 465 PRO S 28 REMARK 465 VAL S 29 REMARK 465 ASP S 30 REMARK 465 ILE S 31 REMARK 465 ARG S 32 REMARK 465 GLN S 33 REMARK 465 TYR S 34 REMARK 465 LEU S 35 REMARK 465 ALA S 36 REMARK 465 VAL S 37 REMARK 465 TRP S 38 REMARK 465 ILE S 39 REMARK 465 GLU S 40 REMARK 465 ASP S 41 REMARK 465 GLN S 42 REMARK 465 ASN S 43 REMARK 465 TRP S 44 REMARK 465 GLN S 45 REMARK 465 GLU S 46 REMARK 465 ALA S 47 REMARK 465 ALA S 48 REMARK 465 LEU S 49 REMARK 465 GLY S 50 REMARK 465 SER S 51 REMARK 465 ASP S 52 REMARK 465 ASP S 53 REMARK 465 SER S 54 REMARK 465 LYS S 55 REMARK 465 ALA S 56 REMARK 465 THR S 57 REMARK 465 MET S 58 REMARK 465 LEU S 59 REMARK 465 PHE S 60 REMARK 465 PHE S 61 REMARK 465 HIS S 62 REMARK 465 PHE S 63 REMARK 465 LEU S 64 REMARK 465 ASP S 65 REMARK 465 GLN S 66 REMARK 465 LEU S 67 REMARK 465 ASN S 68 REMARK 465 TYR S 69 REMARK 465 GLU S 70 REMARK 465 CYS S 71 REMARK 465 GLY S 72 REMARK 465 ARG S 73 REMARK 465 CYS S 74 REMARK 465 SER S 75 REMARK 465 GLN S 76 REMARK 465 ASP S 77 REMARK 465 PRO S 78 REMARK 465 GLU S 79 REMARK 465 SER S 80 REMARK 465 LEU S 81 REMARK 465 LEU S 82 REMARK 465 LEU S 83 REMARK 465 GLN S 84 REMARK 465 HIS S 85 REMARK 465 ASN S 86 REMARK 465 LEU S 87 REMARK 465 ARG S 88 REMARK 465 LYS S 89 REMARK 465 PHE S 90 REMARK 465 CYS S 91 REMARK 465 ARG S 92 REMARK 465 ASP S 93 REMARK 465 ILE S 94 REMARK 465 GLN S 95 REMARK 465 PRO S 96 REMARK 465 PHE S 97 REMARK 465 SER S 98 REMARK 465 GLN S 99 REMARK 465 ASP S 100 REMARK 465 PRO S 101 REMARK 465 THR S 102 REMARK 465 GLN S 103 REMARK 465 LEU S 104 REMARK 465 ALA S 105 REMARK 465 GLU S 106 REMARK 465 MET S 107 REMARK 465 ILE S 108 REMARK 465 PHE S 109 REMARK 465 ASN S 110 REMARK 465 LEU S 111 REMARK 465 LEU S 112 REMARK 465 LEU S 113 REMARK 465 GLU S 114 REMARK 465 GLU S 115 REMARK 465 LYS S 116 REMARK 465 ARG S 117 REMARK 465 ILE S 118 REMARK 465 LEU S 119 REMARK 465 ILE S 120 REMARK 465 GLN S 121 REMARK 465 ALA S 122 REMARK 465 GLN S 123 REMARK 465 ARG S 124 REMARK 465 ALA S 125 REMARK 465 GLN S 126 REMARK 465 LEU S 127 REMARK 465 GLU S 128 REMARK 465 GLN S 129 REMARK 465 GLY S 130 REMARK 465 GLU S 131 REMARK 465 PRO S 132 REMARK 465 VAL S 133 REMARK 465 LEU S 134 REMARK 465 GLU S 135 REMARK 465 THR S 136 REMARK 465 PRO S 137 REMARK 465 VAL S 138 REMARK 465 GLU S 139 REMARK 465 SER S 140 REMARK 465 GLN S 141 REMARK 465 PHE S 173 REMARK 465 CYS S 174 REMARK 465 PHE S 175 REMARK 465 ARG S 176 REMARK 465 TYR S 177 REMARK 465 LYS S 178 REMARK 465 ILE S 179 REMARK 465 GLN S 180 REMARK 465 ALA S 181 REMARK 465 LYS S 182 REMARK 465 GLY S 183 REMARK 465 LYS S 184 REMARK 465 THR S 185 REMARK 465 PRO S 186 REMARK 465 SER S 187 REMARK 465 LEU S 188 REMARK 465 ASP S 189 REMARK 465 PRO S 190 REMARK 465 HIS S 191 REMARK 465 GLN S 192 REMARK 465 THR S 193 REMARK 465 LYS S 194 REMARK 465 GLU S 195 REMARK 465 GLN S 196 REMARK 465 LYS S 197 REMARK 465 PRO S 250 REMARK 465 ILE S 251 REMARK 465 ASP S 252 REMARK 465 HIS S 253 REMARK 465 CYS S 284 REMARK 465 LEU S 285 REMARK 465 VAL S 286 REMARK 465 SER S 287 REMARK 465 TYR S 288 REMARK 465 GLN S 289 REMARK 465 ASP S 290 REMARK 465 GLU S 352 REMARK 465 GLY S 353 REMARK 465 ASN S 354 REMARK 465 GLU S 355 REMARK 465 SER S 356 REMARK 465 SER S 381 REMARK 465 ASN S 382 REMARK 465 GLN S 383 REMARK 465 LYS S 384 REMARK 465 THR S 385 REMARK 465 LEU S 386 REMARK 465 THR S 387 REMARK 465 PRO S 388 REMARK 465 GLU S 389 REMARK 465 LYS S 390 REMARK 465 GLY S 391 REMARK 465 GLN S 392 REMARK 465 SER S 393 REMARK 465 GLN S 394 REMARK 465 GLY S 395 REMARK 465 ARG S 409 REMARK 465 SER S 410 REMARK 465 GLY S 411 REMARK 465 GLY S 412 REMARK 465 SER S 413 REMARK 465 GLY S 414 REMARK 465 LYS S 415 REMARK 465 GLY S 416 REMARK 465 SER S 417 REMARK 465 ASN S 418 REMARK 465 LYS S 419 REMARK 465 GLY S 420 REMARK 465 PRO S 421 REMARK 465 LEU S 422 REMARK 465 TRP S 614 REMARK 465 VAL S 615 REMARK 465 GLU S 616 REMARK 465 HIS S 617 REMARK 465 GLN S 618 REMARK 465 ASP S 619 REMARK 465 ASP S 620 REMARK 465 ASP S 621 REMARK 465 LYS S 622 REMARK 465 VAL S 623 REMARK 465 LEU S 624 REMARK 465 GLN S 649 REMARK 465 LEU S 650 REMARK 465 LEU S 651 REMARK 465 THR S 652 REMARK 465 GLU S 653 REMARK 465 GLU S 654 REMARK 465 ASN S 655 REMARK 465 ILE S 656 REMARK 465 PRO S 657 REMARK 465 GLU S 658 REMARK 465 TYR S 677 REMARK 465 TYR S 678 REMARK 465 GLN S 679 REMARK 465 GLU S 680 REMARK 465 LYS S 681 REMARK 465 VAL S 682 REMARK 465 ASN S 683 REMARK 465 LEU S 684 REMARK 465 GLN S 685 REMARK 465 GLU S 686 REMARK 465 ARG S 687 REMARK 465 ARG S 688 REMARK 465 LYS S 689 REMARK 465 TYR S 690 REMARK 465 LEU S 691 REMARK 465 LYS S 692 REMARK 465 HIS S 693 REMARK 465 ARG S 694 REMARK 465 LEU S 695 REMARK 465 ILE S 696 REMARK 465 VAL S 697 REMARK 465 VAL S 698 REMARK 465 SER S 699 REMARK 465 ASN S 700 REMARK 465 ARG S 701 REMARK 465 GLN S 702 REMARK 465 VAL S 703 REMARK 465 ASP S 704 REMARK 465 GLU S 705 REMARK 465 LEU S 706 REMARK 465 GLN S 707 REMARK 465 GLN S 708 REMARK 465 PRO S 709 REMARK 465 LEU S 710 REMARK 465 GLU S 711 REMARK 465 LEU S 712 REMARK 465 LYS S 713 REMARK 465 MET I 1 REMARK 465 GLY I 2 REMARK 465 TRP I 3 REMARK 465 ASP I 4 REMARK 465 LEU I 5 REMARK 465 THR I 6 REMARK 465 VAL I 7 REMARK 465 LYS I 8 REMARK 465 MET I 9 REMARK 465 LEU I 10 REMARK 465 ALA I 11 REMARK 465 GLY I 12 REMARK 465 ASN I 13 REMARK 465 GLU I 14 REMARK 465 PHE I 15 REMARK 465 GLN I 16 REMARK 465 VAL I 17 REMARK 465 SER I 18 REMARK 465 LEU I 19 REMARK 465 SER I 20 REMARK 465 SER I 21 REMARK 465 SER I 22 REMARK 465 MET I 23 REMARK 465 SER I 24 REMARK 465 VAL I 25 REMARK 465 SER I 26 REMARK 465 GLU I 27 REMARK 465 LEU I 28 REMARK 465 LYS I 29 REMARK 465 ALA I 30 REMARK 465 GLN I 31 REMARK 465 ILE I 32 REMARK 465 THR I 33 REMARK 465 GLN I 34 REMARK 465 LYS I 35 REMARK 465 ILE I 36 REMARK 465 GLY I 37 REMARK 465 VAL I 38 REMARK 465 HIS I 39 REMARK 465 ALA I 40 REMARK 465 PHE I 41 REMARK 465 GLN I 42 REMARK 465 GLN I 43 REMARK 465 ARG I 44 REMARK 465 LEU I 45 REMARK 465 ALA I 46 REMARK 465 VAL I 47 REMARK 465 HIS I 48 REMARK 465 PRO I 49 REMARK 465 SER I 50 REMARK 465 GLY I 51 REMARK 465 VAL I 52 REMARK 465 ALA I 53 REMARK 465 LEU I 54 REMARK 465 GLN I 55 REMARK 465 ASP I 56 REMARK 465 ARG I 57 REMARK 465 VAL I 58 REMARK 465 PRO I 59 REMARK 465 LEU I 60 REMARK 465 ALA I 61 REMARK 465 SER I 62 REMARK 465 GLN I 63 REMARK 465 GLY I 64 REMARK 465 LEU I 65 REMARK 465 GLY I 66 REMARK 465 PRO I 67 REMARK 465 GLY I 68 REMARK 465 SER I 69 REMARK 465 THR I 70 REMARK 465 VAL I 71 REMARK 465 LEU I 72 REMARK 465 LEU I 73 REMARK 465 VAL I 74 REMARK 465 VAL I 75 REMARK 465 ASP I 76 REMARK 465 LYS I 77 REMARK 465 SER I 78 REMARK 465 ASP I 79 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 TYR U 50 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 ASP U 180 CG OD1 OD2 REMARK 470 LYS U 204 CG CD CE NZ REMARK 470 HIS U 214 CG ND1 CD2 CE1 NE2 REMARK 470 GLN U 218 CG CD OE1 NE2 REMARK 470 LYS U 225 CG CD CE NZ REMARK 470 LYS U 227 CG CD CE NZ REMARK 470 GLU U 231 CG CD OE1 OE2 REMARK 470 ASN U 232 CG OD1 ND2 REMARK 470 LYS U 235 CG CD CE NZ REMARK 470 ARG U 238 CG CD NE CZ NH1 NH2 REMARK 470 GLN S 165 CG CD OE1 NE2 REMARK 470 TRP S 466 CG CD1 CD2 NE1 CE2 CE3 CZ2 REMARK 470 TRP S 466 CZ3 CH2 REMARK 470 ARG I 92 CG CD NE CZ NH1 NH2 REMARK 470 GLU I 97 CG CD OE1 OE2 REMARK 470 ARG I 99 CG CD NE CZ NH1 NH2 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 ASP U 49 52.56 -92.03 REMARK 500 CYS U 181 -152.20 58.79 REMARK 500 ALA U 182 33.41 -140.43 REMARK 500 ASP U 202 33.58 -95.60 REMARK 500 PHE U 229 -54.78 -121.56 REMARK 500 ARG U 258 55.72 -96.37 REMARK 500 CYS U 270 26.71 -140.31 REMARK 500 PRO S 328 44.60 -86.83 REMARK 500 ARG S 330 69.79 36.81 REMARK 500 PRO S 331 -176.15 -68.13 REMARK 500 GLN S 371 -58.28 -121.40 REMARK 500 ASN S 377 -155.90 56.16 REMARK 500 TYR S 439 114.02 -160.64 REMARK 500 PHE S 485 -0.79 77.89 REMARK 500 ASP S 533 71.16 49.03 REMARK 500 MET S 578 49.12 -92.75 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-74146 RELATED DB: EMDB REMARK 900 CRYO-EM STRUCTURE OF HUMAN STAT2-USP18-ISG15 COMPLEX DBREF 9ZFO U 26 372 UNP Q9UMW8 UBP18_HUMAN 26 372 DBREF 9ZFO S 1 713 UNP P52630 STAT2_HUMAN 1 713 DBREF 9ZFO I 1 157 UNP P05161 ISG15_HUMAN 1 157 SEQADV 9ZFO SER I 78 UNP P05161 CYS 78 ENGINEERED MUTATION SEQRES 1 U 347 LEU GLU GLU LYS LYS GLU GLU ASP SER ASN MET LYS ARG SEQRES 2 U 347 GLU GLN PRO ARG GLU ARG PRO ARG ALA TRP ASP TYR PRO SEQRES 3 U 347 HIS GLY LEU VAL GLY LEU HIS ASN ILE GLY GLN THR CYS SEQRES 4 U 347 CYS LEU ASN SER LEU ILE GLN VAL PHE VAL MET ASN VAL SEQRES 5 U 347 ASP PHE THR ARG ILE LEU LYS ARG ILE THR VAL PRO ARG SEQRES 6 U 347 GLY ALA ASP GLU GLN ARG ARG SER VAL PRO PHE GLN MET SEQRES 7 U 347 LEU LEU LEU LEU GLU LYS MET GLN ASP SER ARG GLN LYS SEQRES 8 U 347 ALA VAL ARG PRO LEU GLU LEU ALA TYR CYS LEU GLN LYS SEQRES 9 U 347 CYS ASN VAL PRO LEU PHE VAL GLN HIS ASP ALA ALA GLN SEQRES 10 U 347 LEU TYR LEU LYS LEU TRP ASN LEU ILE LYS ASP GLN ILE SEQRES 11 U 347 THR ASP VAL HIS LEU VAL GLU ARG LEU GLN ALA LEU TYR SEQRES 12 U 347 THR ILE ARG VAL LYS ASP SER LEU ILE CYS VAL ASP CYS SEQRES 13 U 347 ALA MET GLU SER SER ARG ASN SER SER MET LEU THR LEU SEQRES 14 U 347 PRO LEU SER LEU PHE ASP VAL ASP SER LYS PRO LEU LYS SEQRES 15 U 347 THR LEU GLU ASP ALA LEU HIS CYS PHE PHE GLN PRO ARG SEQRES 16 U 347 GLU LEU SER SER LYS SER LYS CYS PHE CYS GLU ASN CYS SEQRES 17 U 347 GLY LYS LYS THR ARG GLY LYS GLN VAL LEU LYS LEU THR SEQRES 18 U 347 HIS LEU PRO GLN THR LEU THR ILE HIS LEU MET ARG PHE SEQRES 19 U 347 SER ILE ARG ASN SER GLN THR ARG LYS ILE CYS HIS SER SEQRES 20 U 347 LEU TYR PHE PRO GLN SER LEU ASP PHE SER GLN ILE LEU SEQRES 21 U 347 PRO MET LYS ARG GLU SER CYS ASP ALA GLU GLU GLN SER SEQRES 22 U 347 GLY GLY GLN TYR GLU LEU PHE ALA VAL ILE ALA HIS VAL SEQRES 23 U 347 GLY MET ALA ASP SER GLY HIS TYR CYS VAL TYR ILE ARG SEQRES 24 U 347 ASN ALA VAL ASP GLY LYS TRP PHE CYS PHE ASN ASP SER SEQRES 25 U 347 ASN ILE CYS LEU VAL SER TRP GLU ASP ILE GLN CYS THR SEQRES 26 U 347 TYR GLY ASN PRO ASN TYR HIS TRP GLN GLU THR ALA TYR SEQRES 27 U 347 LEU LEU VAL TYR MET LYS MET GLU CYS SEQRES 1 S 713 MET ALA GLN TRP GLU MET LEU GLN ASN LEU ASP SER PRO SEQRES 2 S 713 PHE GLN ASP GLN LEU HIS GLN LEU TYR SER HIS SER LEU SEQRES 3 S 713 LEU PRO VAL ASP ILE ARG GLN TYR LEU ALA VAL TRP ILE SEQRES 4 S 713 GLU ASP GLN ASN TRP GLN GLU ALA ALA LEU GLY SER ASP SEQRES 5 S 713 ASP SER LYS ALA THR MET LEU PHE PHE HIS PHE LEU ASP SEQRES 6 S 713 GLN LEU ASN TYR GLU CYS GLY ARG CYS SER GLN ASP PRO SEQRES 7 S 713 GLU SER LEU LEU LEU GLN HIS ASN LEU ARG LYS PHE CYS SEQRES 8 S 713 ARG ASP ILE GLN PRO PHE SER GLN ASP PRO THR GLN LEU SEQRES 9 S 713 ALA GLU MET ILE PHE ASN LEU LEU LEU GLU GLU LYS ARG SEQRES 10 S 713 ILE LEU ILE GLN ALA GLN ARG ALA GLN LEU GLU GLN GLY SEQRES 11 S 713 GLU PRO VAL LEU GLU THR PRO VAL GLU SER GLN GLN HIS SEQRES 12 S 713 GLU ILE GLU SER ARG ILE LEU ASP LEU ARG ALA MET MET SEQRES 13 S 713 GLU LYS LEU VAL LYS SER ILE SER GLN LEU LYS ASP GLN SEQRES 14 S 713 GLN ASP VAL PHE CYS PHE ARG TYR LYS ILE GLN ALA LYS SEQRES 15 S 713 GLY LYS THR PRO SER LEU ASP PRO HIS GLN THR LYS GLU SEQRES 16 S 713 GLN LYS ILE LEU GLN GLU THR LEU ASN GLU LEU ASP LYS SEQRES 17 S 713 ARG ARG LYS GLU VAL LEU ASP ALA SER LYS ALA LEU LEU SEQRES 18 S 713 GLY ARG LEU THR THR LEU ILE GLU LEU LEU LEU PRO LYS SEQRES 19 S 713 LEU GLU GLU TRP LYS ALA GLN GLN GLN LYS ALA CYS ILE SEQRES 20 S 713 ARG ALA PRO ILE ASP HIS GLY LEU GLU GLN LEU GLU THR SEQRES 21 S 713 TRP PHE THR ALA GLY ALA LYS LEU LEU PHE HIS LEU ARG SEQRES 22 S 713 GLN LEU LEU LYS GLU LEU LYS GLY LEU SER CYS LEU VAL SEQRES 23 S 713 SER TYR GLN ASP ASP PRO LEU THR LYS GLY VAL ASP LEU SEQRES 24 S 713 ARG ASN ALA GLN VAL THR GLU LEU LEU GLN ARG LEU LEU SEQRES 25 S 713 HIS ARG ALA PHE VAL VAL GLU THR GLN PRO CYS MET PRO SEQRES 26 S 713 GLN THR PRO HIS ARG PRO LEU ILE LEU LYS THR GLY SER SEQRES 27 S 713 LYS PHE THR VAL ARG THR ARG LEU LEU VAL ARG LEU GLN SEQRES 28 S 713 GLU GLY ASN GLU SER LEU THR VAL GLU VAL SER ILE ASP SEQRES 29 S 713 ARG ASN PRO PRO GLN LEU GLN GLY PHE ARG LYS PHE ASN SEQRES 30 S 713 ILE LEU THR SER ASN GLN LYS THR LEU THR PRO GLU LYS SEQRES 31 S 713 GLY GLN SER GLN GLY LEU ILE TRP ASP PHE GLY TYR LEU SEQRES 32 S 713 THR LEU VAL GLU GLN ARG SER GLY GLY SER GLY LYS GLY SEQRES 33 S 713 SER ASN LYS GLY PRO LEU GLY VAL THR GLU GLU LEU HIS SEQRES 34 S 713 ILE ILE SER PHE THR VAL LYS TYR THR TYR GLN GLY LEU SEQRES 35 S 713 LYS GLN GLU LEU LYS THR ASP THR LEU PRO VAL VAL ILE SEQRES 36 S 713 ILE SER ASN MET ASN GLN LEU SER ILE ALA TRP ALA SER SEQRES 37 S 713 VAL LEU TRP PHE ASN LEU LEU SER PRO ASN LEU GLN ASN SEQRES 38 S 713 GLN GLN PHE PHE SER ASN PRO PRO LYS ALA PRO TRP SER SEQRES 39 S 713 LEU LEU GLY PRO ALA LEU SER TRP GLN PHE SER SER TYR SEQRES 40 S 713 VAL GLY ARG GLY LEU ASN SER ASP GLN LEU SER MET LEU SEQRES 41 S 713 ARG ASN LYS LEU PHE GLY GLN ASN CYS ARG THR GLU ASP SEQRES 42 S 713 PRO LEU LEU SER TRP ALA ASP PHE THR LYS ARG GLU SER SEQRES 43 S 713 PRO PRO GLY LYS LEU PRO PHE TRP THR TRP LEU ASP LYS SEQRES 44 S 713 ILE LEU GLU LEU VAL HIS ASP HIS LEU LYS ASP LEU TRP SEQRES 45 S 713 ASN ASP GLY ARG ILE MET GLY PHE VAL SER ARG SER GLN SEQRES 46 S 713 GLU ARG ARG LEU LEU LYS LYS THR MET SER GLY THR PHE SEQRES 47 S 713 LEU LEU ARG PHE SER GLU SER SER GLU GLY GLY ILE THR SEQRES 48 S 713 CYS SER TRP VAL GLU HIS GLN ASP ASP ASP LYS VAL LEU SEQRES 49 S 713 ILE TYR SER VAL GLN PRO TYR THR LYS GLU VAL LEU GLN SEQRES 50 S 713 SER LEU PRO LEU THR GLU ILE ILE ARG HIS TYR GLN LEU SEQRES 51 S 713 LEU THR GLU GLU ASN ILE PRO GLU ASN PRO LEU ARG PHE SEQRES 52 S 713 LEU TYR PRO ARG ILE PRO ARG ASP GLU ALA PHE GLY CYS SEQRES 53 S 713 TYR TYR GLN GLU LYS VAL ASN LEU GLN GLU ARG ARG LYS SEQRES 54 S 713 TYR LEU LYS HIS ARG LEU ILE VAL VAL SER ASN ARG GLN SEQRES 55 S 713 VAL ASP GLU LEU GLN GLN PRO LEU GLU LEU LYS SEQRES 1 I 157 MET GLY TRP ASP LEU THR VAL LYS MET LEU ALA GLY ASN SEQRES 2 I 157 GLU PHE GLN VAL SER LEU SER SER SER MET SER VAL SER SEQRES 3 I 157 GLU LEU LYS ALA GLN ILE THR GLN LYS ILE GLY VAL HIS SEQRES 4 I 157 ALA PHE GLN GLN ARG LEU ALA VAL HIS PRO SER GLY VAL SEQRES 5 I 157 ALA LEU GLN ASP ARG VAL PRO LEU ALA SER GLN GLY LEU SEQRES 6 I 157 GLY PRO GLY SER THR VAL LEU LEU VAL VAL ASP LYS SER SEQRES 7 I 157 ASP GLU PRO LEU SER ILE LEU VAL ARG ASN ASN LYS GLY SEQRES 8 I 157 ARG SER SER THR TYR GLU VAL ARG LEU THR GLN THR VAL SEQRES 9 I 157 ALA HIS LEU LYS GLN GLN VAL SER GLY LEU GLU GLY VAL SEQRES 10 I 157 GLN ASP ASP LEU PHE TRP LEU THR PHE GLU GLY LYS PRO SEQRES 11 I 157 LEU GLU ASP GLN LEU PRO LEU GLY GLU TYR GLY LEU LYS SEQRES 12 I 157 PRO LEU SER THR VAL PHE MET ASN LEU ARG LEU ARG GLY SEQRES 13 I 157 GLY HELIX 1 AA1 THR U 63 ASN U 76 1 14 HELIX 2 AA2 ASN U 76 LYS U 84 1 9 HELIX 3 AA3 GLY U 91 ARG U 97 1 7 HELIX 4 AA4 SER U 98 ASP U 112 1 15 HELIX 5 AA5 PRO U 120 LYS U 129 1 10 HELIX 6 AA6 ASP U 139 GLN U 154 1 16 HELIX 7 AA7 ASP U 157 TYR U 168 1 12 HELIX 8 AA8 ASP U 211 GLN U 218 1 8 HELIX 9 AA9 SER U 343 CYS U 349 1 7 HELIX 10 AB1 THR U 350 GLY U 352 5 3 HELIX 11 AB2 HIS S 143 VAL S 172 1 30 HELIX 12 AB3 LEU S 199 ALA S 249 1 51 HELIX 13 AB4 LEU S 255 SER S 283 1 29 HELIX 14 AB5 PRO S 292 ARG S 314 1 23 HELIX 15 AB6 ASN S 458 ASN S 460 5 3 HELIX 16 AB7 GLN S 461 LEU S 474 1 14 HELIX 17 AB8 PRO S 492 VAL S 508 1 17 HELIX 18 AB9 ASN S 513 GLY S 526 1 14 HELIX 19 AC1 SER S 537 LYS S 543 1 7 HELIX 20 AC2 PRO S 552 HIS S 567 1 16 HELIX 21 AC3 LEU S 568 ASP S 574 1 7 HELIX 22 AC4 SER S 582 LYS S 591 1 10 HELIX 23 AC5 THR S 632 GLN S 637 1 6 HELIX 24 AC6 PRO S 640 HIS S 647 1 8 HELIX 25 AC7 PRO S 669 CYS S 676 1 8 HELIX 26 AC8 THR I 103 GLY I 116 1 14 SHEET 1 AA1 2 GLY U 56 LEU U 57 0 SHEET 2 AA1 2 ALA U 117 VAL U 118 1 O VAL U 118 N GLY U 56 SHEET 1 AA2 4 GLU U 184 MET U 191 0 SHEET 2 AA2 4 ILE U 170 ILE U 177 -1 N LEU U 176 O SER U 185 SHEET 3 AA2 4 LYS U 240 HIS U 247 -1 O THR U 246 N ARG U 171 SHEET 4 AA2 4 ARG U 220 GLU U 221 -1 N ARG U 220 O GLN U 241 SHEET 1 AA3 5 LEU U 194 SER U 197 0 SHEET 2 AA3 5 THR U 251 MET U 257 1 O HIS U 255 N LEU U 194 SHEET 3 AA3 5 GLU U 360 MET U 368 -1 O TYR U 367 N LEU U 252 SHEET 4 AA3 5 TYR U 302 GLY U 312 -1 N ALA U 306 O VAL U 366 SHEET 5 AA3 5 SER U 278 LEU U 279 -1 N LEU U 279 O TYR U 302 SHEET 1 AA4 7 LEU U 194 SER U 197 0 SHEET 2 AA4 7 THR U 251 MET U 257 1 O HIS U 255 N LEU U 194 SHEET 3 AA4 7 GLU U 360 MET U 368 -1 O TYR U 367 N LEU U 252 SHEET 4 AA4 7 TYR U 302 GLY U 312 -1 N ALA U 306 O VAL U 366 SHEET 5 AA4 7 GLY U 317 ARG U 324 -1 O TYR U 322 N VAL U 307 SHEET 6 AA4 7 TRP U 331 PHE U 334 -1 O PHE U 334 N VAL U 321 SHEET 7 AA4 7 ILE U 339 VAL U 342 -1 O VAL U 342 N TRP U 331 SHEET 1 AA5 2 SER U 260 ILE U 261 0 SHEET 2 AA5 2 THR U 266 ARG U 267 -1 O ARG U 267 N SER U 260 SHEET 1 AA6 3 PHE S 316 CYS S 323 0 SHEET 2 AA6 3 THR S 341 LEU S 346 -1 O ARG S 343 N GLU S 319 SHEET 3 AA6 3 ILE S 397 PHE S 400 -1 O PHE S 400 N VAL S 342 SHEET 1 AA7 2 ILE S 333 LYS S 335 0 SHEET 2 AA7 2 VAL S 454 ILE S 456 1 O ILE S 456 N LEU S 334 SHEET 1 AA8 3 SER S 362 ILE S 363 0 SHEET 2 AA8 3 ILE S 431 TYR S 439 -1 O SER S 432 N SER S 362 SHEET 3 AA8 3 LEU S 442 THR S 448 -1 O LEU S 446 N VAL S 435 SHEET 1 AA9 2 LEU S 600 PHE S 602 0 SHEET 2 AA9 2 ILE S 610 CYS S 612 -1 O THR S 611 N ARG S 601 SHEET 1 AB1 5 THR I 95 VAL I 98 0 SHEET 2 AB1 5 LEU I 82 ARG I 87 -1 N LEU I 82 O VAL I 98 SHEET 3 AB1 5 THR I 147 LEU I 152 1 O MET I 150 N ARG I 87 SHEET 4 AB1 5 PHE I 122 PHE I 126 -1 N TRP I 123 O ASN I 151 SHEET 5 AB1 5 LYS I 129 PRO I 130 -1 O LYS I 129 N PHE I 126 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 MASTER 551 0 0 26 35 0 0 6 6635 3 0 95 END