HEADER TRANSFERASE 23-DEC-25 21TK TITLE ENTEROVIRUS 71 POLYMERASE (S417G MUTANT) ELONGATION COMPLEX WITH TWO TITLE 2 REMDESIVIR NUCLEOTIDES POSING BETWEEN PRODUCT STRAND POSITIONS -4/-5 TITLE 3 AND -6/-7, RESPECTIVELY (C3S6 FORM) COMPND MOL_ID: 1; COMPND 2 MOLECULE: ENTEROVIRUS 71 POLYMERASE; COMPND 3 CHAIN: A; COMPND 4 EC: 3.4.22.29,3.6.1.15,3.4.22.28,2.7.7.48; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: RNA (34-MER); COMPND 9 CHAIN: B; COMPND 10 ENGINEERED: YES; COMPND 11 MOL_ID: 3; COMPND 12 MOLECULE: RNA (5'-R(*UP*GP*UP*UP*CP*GP*AP*CP*GP*AP*G*(F86)P*G*(F86) COMPND 13 P*GP*CP*CP*U)-3'); COMPND 14 CHAIN: C; COMPND 15 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ENTEROVIRUS A71; SOURCE 3 ORGANISM_TAXID: 39054; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 5 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 6 EXPRESSION_SYSTEM_VARIANT: PCG1; SOURCE 7 MOL_ID: 2; SOURCE 8 SYNTHETIC: YES; SOURCE 9 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 10 ORGANISM_TAXID: 32630; SOURCE 11 MOL_ID: 3; SOURCE 12 SYNTHETIC: YES; SOURCE 13 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 14 ORGANISM_TAXID: 32630 KEYWDS ENTEROVIRUS, RNA-DEPENDENT RNA POLYMERASE, ELONGATION COMPLEX, KEYWDS 2 REMDESIVIR NUCLEOTIDE, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR R.LI,P.GONG REVDAT 1 07-OCT-26 21TK 0 JRNL AUTH R.LI,Q.SHAO,M.WANG,C.FENG,Q.XU,Q.WANG,L.SHANG JRNL TITL HIGHLY EFFECTIVE VIRAL RDRP TRANSLOCATION HINDRANCE BY THE JRNL TITL 2 REMDESIVIR NUCLEOTIDE JRNL REF NUCLEIC ACIDS RES. 2026 JRNL REFN ESSN 1362-4962 JRNL DOI 10.1093/NAR/GKAG957 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (1.17.1_3660) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.17 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.370 REMARK 3 COMPLETENESS FOR RANGE (%) : 96.3 REMARK 3 NUMBER OF REFLECTIONS : 56918 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.194 REMARK 3 R VALUE (WORKING SET) : 0.193 REMARK 3 FREE R VALUE : 0.225 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.980 REMARK 3 FREE R VALUE TEST SET COUNT : 2834 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 19.1700 - 5.1300 0.99 2972 175 0.2140 0.2657 REMARK 3 2 5.1300 - 4.0900 1.00 2886 148 0.1686 0.2045 REMARK 3 3 4.0800 - 3.5700 1.00 2879 142 0.1775 0.2073 REMARK 3 4 3.5700 - 3.2500 1.00 2830 151 0.1860 0.1966 REMARK 3 5 3.2500 - 3.0200 1.00 2804 162 0.1970 0.2422 REMARK 3 6 3.0200 - 2.8400 1.00 2788 148 0.1959 0.1870 REMARK 3 7 2.8400 - 2.7000 1.00 2829 136 0.2000 0.2343 REMARK 3 8 2.7000 - 2.5800 1.00 2812 139 0.2022 0.2105 REMARK 3 9 2.5800 - 2.4800 1.00 2790 130 0.1952 0.2251 REMARK 3 10 2.4800 - 2.4000 1.00 2766 165 0.1902 0.2123 REMARK 3 11 2.4000 - 2.3200 1.00 2791 164 0.1871 0.2193 REMARK 3 12 2.3200 - 2.2500 1.00 2799 127 0.1889 0.2157 REMARK 3 13 2.2500 - 2.1900 0.98 2739 113 0.1869 0.2360 REMARK 3 14 2.1900 - 2.1400 0.99 2727 160 0.1908 0.2405 REMARK 3 15 2.1400 - 2.0900 0.96 2686 136 0.1926 0.2416 REMARK 3 16 2.0900 - 2.0500 0.96 2691 138 0.2009 0.2341 REMARK 3 17 2.0500 - 2.0100 0.96 2599 149 0.2070 0.2782 REMARK 3 18 2.0100 - 1.9700 0.91 2550 126 0.2150 0.2532 REMARK 3 19 1.9700 - 1.9300 0.81 2226 129 0.2343 0.2466 REMARK 3 20 1.9300 - 1.9000 0.69 1920 96 0.2647 0.2641 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.200 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 22.790 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 28.26 REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.007 4278 REMARK 3 ANGLE : 0.851 5914 REMARK 3 CHIRALITY : 0.050 670 REMARK 3 PLANARITY : 0.006 677 REMARK 3 DIHEDRAL : 19.531 780 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 21TK COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBC ON 03-JAN-26. REMARK 100 THE DEPOSITION ID IS D_1300062248. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 03-JUL-21 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRF REMARK 200 BEAMLINE : BL02U1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97918 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 57002 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.4 REMARK 200 DATA REDUNDANCY : 5.500 REMARK 200 R MERGE (I) : 0.06500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 12.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.97 REMARK 200 COMPLETENESS FOR SHELL (%) : 76.6 REMARK 200 DATA REDUNDANCY IN SHELL : 3.90 REMARK 200 R MERGE FOR SHELL (I) : 0.63200 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 53.37 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.64 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.17 M AMMONIUM SULFATE, 0.2125 M MES REMARK 280 (PH 6.5), 25.5% (WT./VOL.) PEG5000 MONOMETHYL ETHER, AND 15% REMARK 280 (VOL./VOL.) GLYCEROL, VAPOR DIFFUSION, TEMPERATURE 283K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 REMARK 290 4555 X+1/2,-Y+1/2,-Z REMARK 290 REMARK 290 WHERE NNN -> OPERATOR NUMBER REMARK 290 MMM -> TRANSLATION VECTOR REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY REMARK 290 RELATED MOLECULES. REMARK 290 SMTRY1 1 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 1 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 1 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 2 -1.000000 0.000000 0.000000 31.11700 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 77.45400 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 38.39650 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 77.45400 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 31.11700 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 38.39650 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 4830 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 22120 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -89.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C 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 HIS A 464 REMARK 465 HIS A 465 REMARK 465 HIS A 466 REMARK 465 HIS A 467 REMARK 465 HIS A 468 REMARK 465 G B 583 REMARK 465 G B 584 REMARK 465 G B 585 REMARK 465 A B 586 REMARK 465 G B 587 REMARK 465 A B 588 REMARK 465 U B 589 REMARK 465 G B 590 REMARK 465 A B 591 REMARK 465 A B 592 REMARK 465 A B 593 REMARK 465 G B 594 REMARK 465 U B 595 REMARK 465 C B 596 REMARK 465 U B 597 REMARK 465 C B 598 REMARK 465 U B 611 REMARK 465 C B 612 REMARK 465 G B 613 REMARK 465 A B 614 REMARK 465 A B 615 REMARK 465 A B 616 REMARK 465 U C 685 REMARK 465 G C 686 REMARK 465 U C 687 REMARK 465 U C 688 REMARK 465 C C 689 REMARK 465 G C 690 REMARK 465 A C 691 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 LYS A 10 CG CD CE NZ REMARK 470 ARG A 22 CG CD NE CZ NH1 NH2 REMARK 470 GLU A 35 CG CD OE1 OE2 REMARK 470 HIS A 44 CG ND1 CD2 CE1 NE2 REMARK 470 LYS A 46 CG CD CE NZ REMARK 470 GLU A 99 CG CD OE1 OE2 REMARK 470 GLU A 105 CG CD OE1 OE2 REMARK 470 LYS A 126 CG CD CE NZ REMARK 470 LYS A 142 CG CD CE NZ REMARK 470 PHE A 143 CG CD1 CD2 CE1 CE2 CZ REMARK 470 ASP A 146 CG OD1 OD2 REMARK 470 LYS A 172 CG CD CE NZ REMARK 470 ARG A 277 CG CD NE CZ NH1 NH2 REMARK 470 LYS A 315 CG CD CE NZ REMARK 470 ARG A 346 CG CD NE CZ NH1 NH2 REMARK 470 LYS A 349 CG CD CE NZ REMARK 470 GLN A 428 CG CD OE1 NE2 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 THR A 66 -90.65 -109.19 REMARK 500 ARG A 277 -115.82 52.75 REMARK 500 ASP A 407 97.33 -163.54 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 501 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 271 NE2 REMARK 620 2 HIS A 273 NE2 109.1 REMARK 620 3 CYS A 282 SG 100.1 116.3 REMARK 620 4 GLU A 343 OE1 60.4 129.1 39.7 REMARK 620 N 1 2 3 DBREF 21TK A 1 462 UNP E5RPG3 E5RPG3_HE71 1732 2193 DBREF 21TK B 583 616 PDB 21TK 21TK 583 616 DBREF 21TK C 685 702 PDB 21TK 21TK 685 702 SEQADV 21TK MET A 291 UNP E5RPG3 CYS 2022 ENGINEERED MUTATION SEQADV 21TK GLY A 417 UNP E5RPG3 SER 2148 ENGINEERED MUTATION SEQADV 21TK HIS A 463 UNP E5RPG3 EXPRESSION TAG SEQADV 21TK HIS A 464 UNP E5RPG3 EXPRESSION TAG SEQADV 21TK HIS A 465 UNP E5RPG3 EXPRESSION TAG SEQADV 21TK HIS A 466 UNP E5RPG3 EXPRESSION TAG SEQADV 21TK HIS A 467 UNP E5RPG3 EXPRESSION TAG SEQADV 21TK HIS A 468 UNP E5RPG3 EXPRESSION TAG SEQRES 1 A 468 GLY GLU ILE GLN TRP VAL LYS PRO ASN LYS GLU THR GLY SEQRES 2 A 468 ARG LEU ASN ILE ASN GLY PRO THR ARG THR LYS LEU GLU SEQRES 3 A 468 PRO SER VAL PHE HIS ASP VAL PHE GLU GLY ASN LYS GLU SEQRES 4 A 468 PRO ALA VAL LEU HIS SER LYS ASP PRO ARG LEU GLU VAL SEQRES 5 A 468 ASP PHE GLU GLN ALA LEU PHE SER LYS TYR VAL GLY ASN SEQRES 6 A 468 THR LEU TYR GLU PRO ASP GLU TYR ILE LYS GLU ALA ALA SEQRES 7 A 468 LEU HIS TYR ALA ASN GLN LEU LYS GLN LEU ASP ILE ASP SEQRES 8 A 468 THR SER GLN MET SER MET GLU GLU ALA CYS TYR GLY THR SEQRES 9 A 468 GLU ASN LEU GLU ALA ILE ASP LEU HIS THR SER ALA GLY SEQRES 10 A 468 TYR PRO TYR SER ALA LEU GLY ILE LYS LYS ARG ASP ILE SEQRES 11 A 468 LEU ASP SER THR THR ARG ASP VAL SER LYS MET LYS PHE SEQRES 12 A 468 TYR MET ASP LYS TYR GLY LEU ASP LEU PRO TYR SER THR SEQRES 13 A 468 TYR VAL LYS ASP GLU LEU ARG SER ILE ASP LYS ILE LYS SEQRES 14 A 468 LYS GLY LYS SER ARG LEU ILE GLU ALA SER SER LEU ASN SEQRES 15 A 468 ASP SER VAL TYR LEU ARG MET THR PHE GLY HIS LEU TYR SEQRES 16 A 468 GLU THR PHE HIS ALA ASN PRO GLY THR VAL THR GLY SER SEQRES 17 A 468 ALA VAL GLY CYS ASN PRO ASP THR PHE TRP SER LYS LEU SEQRES 18 A 468 PRO ILE LEU LEU PRO GLY SER LEU PHE ALA PHE ASP TYR SEQRES 19 A 468 SER GLY TYR ASP ALA SER LEU SER PRO VAL TRP PHE ARG SEQRES 20 A 468 ALA LEU GLU LEU VAL LEU ARG GLU ILE GLY TYR SER GLU SEQRES 21 A 468 GLU ALA VAL SER LEU VAL GLU GLY ILE ASN HIS THR HIS SEQRES 22 A 468 HIS VAL TYR ARG ASN LYS THR TYR CYS VAL LEU GLY GLY SEQRES 23 A 468 MET PRO SER GLY MET SER GLY THR SER ILE PHE ASN SER SEQRES 24 A 468 MET ILE ASN ASN ILE ILE ILE ARG ALA LEU LEU ILE LYS SEQRES 25 A 468 THR PHE LYS GLY ILE ASP LEU ASP GLU LEU ASN MET VAL SEQRES 26 A 468 ALA TYR GLY ASP ASP VAL LEU ALA SER TYR PRO PHE PRO SEQRES 27 A 468 ILE ASP CYS LEU GLU LEU ALA ARG THR GLY LYS GLU TYR SEQRES 28 A 468 GLY LEU THR MET THR PRO ALA ASP LYS SER PRO CYS PHE SEQRES 29 A 468 ASN GLU VAL ASN TRP ASP ASN ALA THR PHE LEU LYS ARG SEQRES 30 A 468 GLY PHE LEU PRO ASP GLU GLN PHE PRO PHE LEU ILE HIS SEQRES 31 A 468 PRO THR MET PRO MET LYS GLU ILE HIS GLU SER ILE ARG SEQRES 32 A 468 TRP THR LYS ASP ALA ARG ASN THR GLN ASP HIS VAL ARG SEQRES 33 A 468 GLY LEU CYS LEU LEU ALA TRP HIS ASN GLY LYS GLN GLU SEQRES 34 A 468 TYR GLU LYS PHE VAL SER ALA ILE ARG SER VAL PRO VAL SEQRES 35 A 468 GLY LYS ALA LEU ALA ILE PRO ASN TYR GLU ASN LEU ARG SEQRES 36 A 468 ARG ASN TRP LEU GLU LEU PHE HIS HIS HIS HIS HIS HIS SEQRES 1 B 34 G G G A G A U G A A A G U SEQRES 2 B 34 C U C C A G G C U C U C U SEQRES 3 B 34 C G U C G A A A SEQRES 1 C 18 U G U U C G A C G A G F86 G SEQRES 2 C 18 F86 G C C U HET F86 C 696 24 HET F86 C 698 24 HET ZN A 501 1 HET SO4 A 502 5 HET SO4 A 503 5 HETNAM F86 [(2~{R},3~{S},4~{R},5~{R})-5-(4-AZANYLPYRROLO[2,1-F][1, HETNAM 2 F86 2,4]TRIAZIN-7-YL)-5-CYANO-3,4-BIS(OXIDANYL)OXOLAN-2- HETNAM 3 F86 YL]METHYL DIHYDROGEN PHOSPHATE HETNAM ZN ZINC ION HETNAM SO4 SULFATE ION HETSYN F86 REMDESIVIR, BOUND FORM FORMUL 3 F86 2(C12 H14 N5 O7 P) FORMUL 4 ZN ZN 2+ FORMUL 5 SO4 2(O4 S 2-) FORMUL 7 HOH *431(H2 O) HELIX 1 AA1 ASN A 9 GLY A 13 1 5 HELIX 2 AA2 ASP A 53 SER A 60 1 8 HELIX 3 AA3 ASP A 71 LYS A 86 1 16 HELIX 4 AA4 GLN A 87 ASP A 89 5 3 HELIX 5 AA5 SER A 96 GLY A 103 1 8 HELIX 6 AA6 LYS A 126 ILE A 130 5 5 HELIX 7 AA7 VAL A 138 GLY A 149 1 12 HELIX 8 AA8 SER A 164 LYS A 170 1 7 HELIX 9 AA9 SER A 180 ASN A 201 1 22 HELIX 10 AB1 ASN A 213 LEU A 225 1 13 HELIX 11 AB2 GLY A 236 LEU A 241 1 6 HELIX 12 AB3 SER A 242 GLY A 257 1 16 HELIX 13 AB4 SER A 259 SER A 264 1 6 HELIX 14 AB5 VAL A 266 ASN A 270 1 5 HELIX 15 AB6 GLY A 293 PHE A 314 1 22 HELIX 16 AB7 ASP A 318 LEU A 322 5 5 HELIX 17 AB8 ASP A 340 TYR A 351 1 12 HELIX 18 AB9 PRO A 394 ARG A 403 1 10 HELIX 19 AC1 ASP A 407 ARG A 409 5 3 HELIX 20 AC2 ASN A 410 TRP A 423 1 14 HELIX 21 AC3 GLY A 426 ARG A 438 1 13 HELIX 22 AC4 VAL A 440 ALA A 445 1 6 HELIX 23 AC5 ASN A 450 LEU A 461 1 12 SHEET 1 AA1 5 GLU A 2 PRO A 8 0 SHEET 2 AA1 5 LYS A 279 LEU A 284 -1 O THR A 280 N LYS A 7 SHEET 3 AA1 5 HIS A 271 TYR A 276 -1 N THR A 272 O VAL A 283 SHEET 4 AA1 5 TYR A 154 VAL A 158 1 N THR A 156 O VAL A 275 SHEET 5 AA1 5 LEU A 175 ALA A 178 -1 O ALA A 178 N SER A 155 SHEET 1 AA2 2 GLU A 26 PRO A 27 0 SHEET 2 AA2 2 TRP A 404 THR A 405 -1 O THR A 405 N GLU A 26 SHEET 1 AA3 2 GLU A 39 PRO A 40 0 SHEET 2 AA3 2 LEU A 162 ARG A 163 -1 O ARG A 163 N GLU A 39 SHEET 1 AA4 3 SER A 228 PHE A 230 0 SHEET 2 AA4 3 ASP A 330 TYR A 335 -1 O ALA A 333 N PHE A 230 SHEET 3 AA4 3 ASN A 323 TYR A 327 -1 N ASN A 323 O SER A 334 SHEET 1 AA5 2 PHE A 232 TYR A 234 0 SHEET 2 AA5 2 MET A 355 PRO A 357 -1 O THR A 356 N ASP A 233 SHEET 1 AA6 2 GLY A 378 PRO A 381 0 SHEET 2 AA6 2 ILE A 389 THR A 392 -1 O HIS A 390 N LEU A 380 LINK O3' G C 695 P1 F86 C 696 1555 1555 1.56 LINK O3 F86 C 696 P G C 697 1555 1555 1.56 LINK O3' G C 697 P1 F86 C 698 1555 1555 1.56 LINK O3 F86 C 698 P G C 699 1555 1555 1.55 LINK NE2 HIS A 271 ZN ZN A 501 1555 1555 1.95 LINK NE2 HIS A 273 ZN ZN A 501 1555 1555 1.97 LINK SG CYS A 282 ZN ZN A 501 1555 1555 2.25 LINK OE1 GLU A 343 ZN ZN A 501 1555 4445 2.00 CISPEP 1 TYR A 118 PRO A 119 0 -2.79 CRYST1 62.234 76.793 154.908 90.00 90.00 90.00 P 21 21 21 4 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 0.016068 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013022 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006455 0.00000 CONECT 2108 4130 CONECT 2125 4130 CONECT 2201 4130 CONECT 3960 3998 CONECT 3975 3980 3988 CONECT 3976 3978 3986 3988 CONECT 3977 3981 3984 CONECT 3978 3976 3983 3993 CONECT 3979 3982 3988 3992 CONECT 3980 3975 CONECT 3981 3977 3992 3995 CONECT 3982 3979 CONECT 3983 3978 3991 CONECT 3984 3977 3998 CONECT 3985 3990 3991 CONECT 3986 3976 3989 CONECT 3987 3998 CONECT 3988 3975 3976 3979 3995 CONECT 3989 3986 3993 CONECT 3990 3985 3993 3994 CONECT 3991 3983 3985 CONECT 3992 3979 3981 3996 CONECT 3993 3978 3989 3990 CONECT 3994 3990 CONECT 3995 3981 3988 CONECT 3996 3992 3999 CONECT 3997 3998 CONECT 3998 3960 3984 3987 3997 CONECT 3999 3996 CONECT 4007 4045 CONECT 4022 4027 4035 CONECT 4023 4025 4033 4035 CONECT 4024 4028 4031 CONECT 4025 4023 4030 4040 CONECT 4026 4029 4035 4039 CONECT 4027 4022 CONECT 4028 4024 4039 4042 CONECT 4029 4026 CONECT 4030 4025 4038 CONECT 4031 4024 4045 CONECT 4032 4037 4038 CONECT 4033 4023 4036 CONECT 4034 4045 CONECT 4035 4022 4023 4026 4042 CONECT 4036 4033 4040 CONECT 4037 4032 4040 4041 CONECT 4038 4030 4032 CONECT 4039 4026 4028 4043 CONECT 4040 4025 4036 4037 CONECT 4041 4037 CONECT 4042 4028 4035 CONECT 4043 4039 4046 CONECT 4044 4045 CONECT 4045 4007 4031 4034 4044 CONECT 4046 4043 CONECT 4130 2108 2125 2201 CONECT 4131 4132 4133 4134 4135 CONECT 4132 4131 CONECT 4133 4131 CONECT 4134 4131 CONECT 4135 4131 CONECT 4136 4137 4138 4139 4140 CONECT 4137 4136 CONECT 4138 4136 CONECT 4139 4136 CONECT 4140 4136 MASTER 309 0 5 23 16 0 0 6 4568 3 66 41 END