HEADER VIRAL PROTEIN/INHIBITOR 20-APR-26 12WB TITLE THE STRUCTURE OF THE C117D VARIANT OF THE COVID-2 MAIN PROTEASE IN TITLE 2 COMPLEX WITH GC-376 COMPND MOL_ID: 1; COMPND 2 MOLECULE: 3C-LIKE PROTEINASE NSP5; COMPND 3 CHAIN: A, C; COMPND 4 SYNONYM: 3CL-PRO,3CLP,MAIN PROTEASE,MPRO,NON-STRUCTURAL PROTEIN 5, COMPND 5 NSP5,SARS CORONAVIRUS MAIN PROTEINASE; COMPND 6 EC: 3.4.22.69; COMPND 7 ENGINEERED: YES; COMPND 8 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SEVERE ACUTE RESPIRATORY SYNDROME CORONAVIRUS SOURCE 3 2; SOURCE 4 ORGANISM_TAXID: 2697049; SOURCE 5 GENE: REP, 1A-1B; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI K-12; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 83333; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PSUMO KEYWDS 3CL PROTEASE, COVID-2, MAIN PROTEASE, VIRAL PROTEIN, VIRAL PROTEIN- KEYWDS 2 INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR T.HOLYOAK,S.ANDRESS REVDAT 1 19-AUG-26 12WB 0 JRNL AUTH S.ANDRESS,M.J.MCLEOD,T.HOLYOAK JRNL TITL THE C117D OXIDATION MIMIC REVEALS THE MONOMERIC STRUCTURE OF JRNL TITL 2 SARS-COV-2 MAIN PROTEASE. JRNL REF PROTEIN SCI. V. 35 70753 2026 JRNL REFN ESSN 1469-896X JRNL PMID 42572186 JRNL DOI 10.1002/PRO.70753 REMARK 2 REMARK 2 RESOLUTION. 2.25 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.21.2_5419 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) : 2.25 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 105.71 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.7 REMARK 3 NUMBER OF REFLECTIONS : 25964 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.187 REMARK 3 R VALUE (WORKING SET) : 0.185 REMARK 3 FREE R VALUE : 0.229 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.850 REMARK 3 FREE R VALUE TEST SET COUNT : 1259 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1105.7100 - 4.6800 0.99 2848 152 0.1637 0.1967 REMARK 3 2 4.6800 - 3.7100 0.99 2741 175 0.1528 0.2046 REMARK 3 3 3.7100 - 3.2500 0.99 2793 125 0.1906 0.2540 REMARK 3 4 3.2500 - 2.9500 0.99 2710 149 0.2043 0.2468 REMARK 3 5 2.9500 - 2.7400 0.98 2762 129 0.2190 0.2641 REMARK 3 6 2.7400 - 2.5800 0.98 2737 123 0.2178 0.2578 REMARK 3 7 2.5800 - 2.4500 0.98 2736 117 0.2125 0.2671 REMARK 3 8 2.4500 - 2.3400 0.98 2668 154 0.2311 0.2740 REMARK 3 9 2.3400 - 2.2500 0.98 2710 135 0.2438 0.3212 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.10 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) : 0.280 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 23.970 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL 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 4896 REMARK 3 ANGLE : 0.952 6652 REMARK 3 CHIRALITY : 0.053 747 REMARK 3 PLANARITY : 0.007 865 REMARK 3 DIHEDRAL : 15.501 1741 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: ALL REMARK 3 ORIGIN FOR THE GROUP (A): -4.5714 -1.7440 26.0569 REMARK 3 T TENSOR REMARK 3 T11: 0.3110 T22: 0.3026 REMARK 3 T33: 0.3128 T12: -0.0127 REMARK 3 T13: 0.0079 T23: 0.0130 REMARK 3 L TENSOR REMARK 3 L11: 0.5452 L22: 0.1802 REMARK 3 L33: 0.4324 L12: -0.0120 REMARK 3 L13: 0.1414 L23: 0.0830 REMARK 3 S TENSOR REMARK 3 S11: -0.0676 S12: 0.0155 S13: 0.0377 REMARK 3 S21: 0.0146 S22: 0.0478 S23: 0.0170 REMARK 3 S31: -0.0653 S32: -0.0277 S33: 0.0000 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 12WB COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-MAY-26. REMARK 100 THE DEPOSITION ID IS D_1000307340. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 08-MAR-25 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : CHESS REMARK 200 BEAMLINE : 7B2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9686 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER2 S 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DIALS REMARK 200 DATA SCALING SOFTWARE : DIALS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 26022 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.250 REMARK 200 RESOLUTION RANGE LOW (A) : 105.710 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.9 REMARK 200 DATA REDUNDANCY : 7.000 REMARK 200 R MERGE (I) : 0.13700 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 9.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.25 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.29 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : 6.60 REMARK 200 R MERGE FOR SHELL (I) : 1.19800 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: MOLREP REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 40.10 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.05 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M BIS-TRIS (PH 6.5) AND 12-20% REMARK 280 (W/V) PEG 3350, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 27.85800 REMARK 290 SMTRY3 2 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3230 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 24710 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -15.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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 GLN C 306 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 LEU A 177 CA - CB - CG ANGL. DEV. = -15.7 DEGREES REMARK 500 REMARK 500 REMARK: NULL 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 A 33 -130.03 61.10 REMARK 500 ASN A 84 -129.28 56.35 REMARK 500 ASN A 95 109.74 -53.61 REMARK 500 TYR A 154 -89.70 59.13 REMARK 500 ASP A 176 -176.36 -69.42 REMARK 500 PRO A 184 54.09 -91.34 REMARK 500 LYS C 5 99.52 -62.95 REMARK 500 ASP C 33 -130.05 54.81 REMARK 500 LEU C 50 -71.90 -60.98 REMARK 500 ASN C 72 46.88 -94.33 REMARK 500 ASN C 84 -130.33 57.42 REMARK 500 TYR C 154 -85.18 65.26 REMARK 500 ASN C 214 32.27 -87.05 REMARK 500 REMARK 500 REMARK: NULL REMARK 630 REMARK 630 MOLECULE TYPE: NULL REMARK 630 MOLECULE NAME: (1S,2S)-2-({N-[(BENZYLOXY)CARBONYL]-L-LEUCYL}AMINO)- REMARK 630 1-HYDROXY-3-[(3S)-2-OXOPYRROLIDIN-3-YL]PROPANE-1-SULFONIC ACID REMARK 630 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 630 SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 630 REMARK 630 M RES C SSSEQI REMARK 630 K36 A 401 REMARK 630 K36 C 401 REMARK 630 SOURCE: NULL REMARK 630 TAXONOMY: NULL REMARK 630 SUBCOMP: PHQ LEU 04F REMARK 630 DETAILS: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 12VR RELATED DB: PDB REMARK 900 APO FORM OF THIS VARIANT REMARK 900 RELATED ID: 12VU RELATED DB: PDB REMARK 900 DIFFERENT VARIANT USED IN SAME STUDY DBREF 12WB A 1 306 UNP P0DTD1 R1AB_SARS2 3264 3569 DBREF 12WB C 1 306 UNP P0DTD1 R1AB_SARS2 3264 3569 SEQADV 12WB ASP A 117 UNP P0DTD1 CYS 3380 ENGINEERED MUTATION SEQADV 12WB ASP C 117 UNP P0DTD1 CYS 3380 ENGINEERED MUTATION SEQRES 1 A 306 SER GLY PHE ARG LYS MET ALA PHE PRO SER GLY LYS VAL SEQRES 2 A 306 GLU GLY CYS MET VAL GLN VAL THR CYS GLY THR THR THR SEQRES 3 A 306 LEU ASN GLY LEU TRP LEU ASP ASP VAL VAL TYR CYS PRO SEQRES 4 A 306 ARG HIS VAL ILE CYS THR SER GLU ASP MET LEU ASN PRO SEQRES 5 A 306 ASN TYR GLU ASP LEU LEU ILE ARG LYS SER ASN HIS ASN SEQRES 6 A 306 PHE LEU VAL GLN ALA GLY ASN VAL GLN LEU ARG VAL ILE SEQRES 7 A 306 GLY HIS SER MET GLN ASN CYS VAL LEU LYS LEU LYS VAL SEQRES 8 A 306 ASP THR ALA ASN PRO LYS THR PRO LYS TYR LYS PHE VAL SEQRES 9 A 306 ARG ILE GLN PRO GLY GLN THR PHE SER VAL LEU ALA ASP SEQRES 10 A 306 TYR ASN GLY SER PRO SER GLY VAL TYR GLN CYS ALA MET SEQRES 11 A 306 ARG PRO ASN PHE THR ILE LYS GLY SER PHE LEU ASN GLY SEQRES 12 A 306 SER CYS GLY SER VAL GLY PHE ASN ILE ASP TYR ASP CYS SEQRES 13 A 306 VAL SER PHE CYS TYR MET HIS HIS MET GLU LEU PRO THR SEQRES 14 A 306 GLY VAL HIS ALA GLY THR ASP LEU GLU GLY ASN PHE TYR SEQRES 15 A 306 GLY PRO PHE VAL ASP ARG GLN THR ALA GLN ALA ALA GLY SEQRES 16 A 306 THR ASP THR THR ILE THR VAL ASN VAL LEU ALA TRP LEU SEQRES 17 A 306 TYR ALA ALA VAL ILE ASN GLY ASP ARG TRP PHE LEU ASN SEQRES 18 A 306 ARG PHE THR THR THR LEU ASN ASP PHE ASN LEU VAL ALA SEQRES 19 A 306 MET LYS TYR ASN TYR GLU PRO LEU THR GLN ASP HIS VAL SEQRES 20 A 306 ASP ILE LEU GLY PRO LEU SER ALA GLN THR GLY ILE ALA SEQRES 21 A 306 VAL LEU ASP MET CYS ALA SER LEU LYS GLU LEU LEU GLN SEQRES 22 A 306 ASN GLY MET ASN GLY ARG THR ILE LEU GLY SER ALA LEU SEQRES 23 A 306 LEU GLU ASP GLU PHE THR PRO PHE ASP VAL VAL ARG GLN SEQRES 24 A 306 CYS SER GLY VAL THR PHE GLN SEQRES 1 C 306 SER GLY PHE ARG LYS MET ALA PHE PRO SER GLY LYS VAL SEQRES 2 C 306 GLU GLY CYS MET VAL GLN VAL THR CYS GLY THR THR THR SEQRES 3 C 306 LEU ASN GLY LEU TRP LEU ASP ASP VAL VAL TYR CYS PRO SEQRES 4 C 306 ARG HIS VAL ILE CYS THR SER GLU ASP MET LEU ASN PRO SEQRES 5 C 306 ASN TYR GLU ASP LEU LEU ILE ARG LYS SER ASN HIS ASN SEQRES 6 C 306 PHE LEU VAL GLN ALA GLY ASN VAL GLN LEU ARG VAL ILE SEQRES 7 C 306 GLY HIS SER MET GLN ASN CYS VAL LEU LYS LEU LYS VAL SEQRES 8 C 306 ASP THR ALA ASN PRO LYS THR PRO LYS TYR LYS PHE VAL SEQRES 9 C 306 ARG ILE GLN PRO GLY GLN THR PHE SER VAL LEU ALA ASP SEQRES 10 C 306 TYR ASN GLY SER PRO SER GLY VAL TYR GLN CYS ALA MET SEQRES 11 C 306 ARG PRO ASN PHE THR ILE LYS GLY SER PHE LEU ASN GLY SEQRES 12 C 306 SER CYS GLY SER VAL GLY PHE ASN ILE ASP TYR ASP CYS SEQRES 13 C 306 VAL SER PHE CYS TYR MET HIS HIS MET GLU LEU PRO THR SEQRES 14 C 306 GLY VAL HIS ALA GLY THR ASP LEU GLU GLY ASN PHE TYR SEQRES 15 C 306 GLY PRO PHE VAL ASP ARG GLN THR ALA GLN ALA ALA GLY SEQRES 16 C 306 THR ASP THR THR ILE THR VAL ASN VAL LEU ALA TRP LEU SEQRES 17 C 306 TYR ALA ALA VAL ILE ASN GLY ASP ARG TRP PHE LEU ASN SEQRES 18 C 306 ARG PHE THR THR THR LEU ASN ASP PHE ASN LEU VAL ALA SEQRES 19 C 306 MET LYS TYR ASN TYR GLU PRO LEU THR GLN ASP HIS VAL SEQRES 20 C 306 ASP ILE LEU GLY PRO LEU SER ALA GLN THR GLY ILE ALA SEQRES 21 C 306 VAL LEU ASP MET CYS ALA SER LEU LYS GLU LEU LEU GLN SEQRES 22 C 306 ASN GLY MET ASN GLY ARG THR ILE LEU GLY SER ALA LEU SEQRES 23 C 306 LEU GLU ASP GLU PHE THR PRO PHE ASP VAL VAL ARG GLN SEQRES 24 C 306 CYS SER GLY VAL THR PHE GLN HET K36 A 401 29 HET K36 C 401 29 HETNAM K36 (1S,2S)-2-({N-[(BENZYLOXY)CARBONYL]-L-LEUCYL}AMINO)-1- HETNAM 2 K36 HYDROXY-3-[(3S)-2-OXOPYRROLIDIN-3-YL]PROPANE-1- HETNAM 3 K36 SULFONIC ACID HETSYN K36 GC376 FORMUL 3 K36 2(C21 H31 N3 O8 S) FORMUL 5 HOH *49(H2 O) HELIX 1 AA1 SER A 10 GLY A 15 1 6 HELIX 2 AA2 HIS A 41 CYS A 44 5 4 HELIX 3 AA3 ASN A 53 ARG A 60 1 8 HELIX 4 AA4 SER A 62 HIS A 64 5 3 HELIX 5 AA5 ILE A 200 ASN A 214 1 15 HELIX 6 AA6 THR A 226 LYS A 236 1 11 HELIX 7 AA7 THR A 243 LEU A 250 1 8 HELIX 8 AA8 LEU A 250 GLY A 258 1 9 HELIX 9 AA9 ALA A 260 GLY A 275 1 16 HELIX 10 AB1 THR A 292 SER A 301 1 10 HELIX 11 AB2 SER C 10 GLY C 15 1 6 HELIX 12 AB3 HIS C 41 CYS C 44 5 4 HELIX 13 AB4 THR C 45 MET C 49 5 5 HELIX 14 AB5 ASN C 53 LYS C 61 1 9 HELIX 15 AB6 SER C 62 HIS C 64 5 3 HELIX 16 AB7 ILE C 200 ASN C 214 1 15 HELIX 17 AB8 THR C 226 TYR C 237 1 12 HELIX 18 AB9 THR C 243 LEU C 250 1 8 HELIX 19 AC1 LEU C 250 GLY C 258 1 9 HELIX 20 AC2 ALA C 260 GLY C 275 1 16 HELIX 21 AC3 THR C 292 SER C 301 1 10 SHEET 1 AA1 7 VAL A 73 LEU A 75 0 SHEET 2 AA1 7 PHE A 66 ALA A 70 -1 N ALA A 70 O VAL A 73 SHEET 3 AA1 7 MET A 17 CYS A 22 -1 N THR A 21 O LEU A 67 SHEET 4 AA1 7 THR A 25 LEU A 32 -1 O LEU A 27 N VAL A 20 SHEET 5 AA1 7 VAL A 35 PRO A 39 -1 O TYR A 37 N LEU A 30 SHEET 6 AA1 7 VAL A 86 VAL A 91 -1 O LEU A 87 N CYS A 38 SHEET 7 AA1 7 VAL A 77 GLN A 83 -1 N ILE A 78 O LYS A 90 SHEET 1 AA2 5 TYR A 101 PHE A 103 0 SHEET 2 AA2 5 CYS A 156 GLU A 166 1 O VAL A 157 N LYS A 102 SHEET 3 AA2 5 VAL A 148 ASP A 153 -1 N ASN A 151 O SER A 158 SHEET 4 AA2 5 THR A 111 TYR A 118 -1 N SER A 113 O PHE A 150 SHEET 5 AA2 5 SER A 121 ALA A 129 -1 O SER A 123 N ALA A 116 SHEET 1 AA3 3 TYR A 101 PHE A 103 0 SHEET 2 AA3 3 CYS A 156 GLU A 166 1 O VAL A 157 N LYS A 102 SHEET 3 AA3 3 HIS A 172 THR A 175 -1 O ALA A 173 N MET A 165 SHEET 1 AA4 7 GLN C 74 LEU C 75 0 SHEET 2 AA4 7 PHE C 66 GLN C 69 -1 N VAL C 68 O LEU C 75 SHEET 3 AA4 7 MET C 17 CYS C 22 -1 N THR C 21 O LEU C 67 SHEET 4 AA4 7 THR C 25 LEU C 32 -1 O LEU C 27 N VAL C 20 SHEET 5 AA4 7 VAL C 35 PRO C 39 -1 O TYR C 37 N LEU C 30 SHEET 6 AA4 7 VAL C 86 VAL C 91 -1 O LEU C 87 N CYS C 38 SHEET 7 AA4 7 VAL C 77 GLN C 83 -1 N GLN C 83 O VAL C 86 SHEET 1 AA5 5 TYR C 101 PHE C 103 0 SHEET 2 AA5 5 CYS C 156 GLU C 166 1 O PHE C 159 N LYS C 102 SHEET 3 AA5 5 VAL C 148 ASP C 153 -1 N ASN C 151 O SER C 158 SHEET 4 AA5 5 THR C 111 TYR C 118 -1 N SER C 113 O PHE C 150 SHEET 5 AA5 5 SER C 121 ALA C 129 -1 O SER C 123 N ALA C 116 SHEET 1 AA6 3 TYR C 101 PHE C 103 0 SHEET 2 AA6 3 CYS C 156 GLU C 166 1 O PHE C 159 N LYS C 102 SHEET 3 AA6 3 HIS C 172 THR C 175 -1 O ALA C 173 N MET C 165 LINK SG CYS A 145 C21 K36 A 401 1555 1555 1.77 LINK SG CYS C 145 C21 K36 C 401 1555 1555 1.77 CRYST1 47.187 55.716 107.650 90.00 100.90 90.00 P 1 21 1 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 0.021192 0.000000 0.004082 0.00000 SCALE2 0.000000 0.017948 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009460 0.00000 CONECT 1122 4753 CONECT 3493 4782 CONECT 4733 4734 4737 CONECT 4734 4733 4735 CONECT 4735 4734 4736 4743 CONECT 4736 4735 CONECT 4737 4733 4738 4742 CONECT 4738 4737 4739 CONECT 4739 4738 4740 CONECT 4740 4739 4741 CONECT 4741 4740 4742 CONECT 4742 4737 4741 CONECT 4743 4735 4744 CONECT 4744 4743 4745 4747 CONECT 4745 4744 4746 4751 CONECT 4746 4745 CONECT 4747 4744 4748 CONECT 4748 4747 4749 4750 CONECT 4749 4748 CONECT 4750 4748 CONECT 4751 4745 4752 CONECT 4752 4751 4753 4755 CONECT 4753 1122 4752 4754 CONECT 4754 4753 CONECT 4755 4752 4756 CONECT 4756 4755 4757 4760 CONECT 4757 4756 4758 CONECT 4758 4757 4759 CONECT 4759 4758 4760 CONECT 4760 4756 4759 4761 CONECT 4761 4760 CONECT 4762 4763 4766 CONECT 4763 4762 4764 CONECT 4764 4763 4765 4772 CONECT 4765 4764 CONECT 4766 4762 4767 4771 CONECT 4767 4766 4768 CONECT 4768 4767 4769 CONECT 4769 4768 4770 CONECT 4770 4769 4771 CONECT 4771 4766 4770 CONECT 4772 4764 4773 CONECT 4773 4772 4774 4776 CONECT 4774 4773 4775 4780 CONECT 4775 4774 CONECT 4776 4773 4777 CONECT 4777 4776 4778 4779 CONECT 4778 4777 CONECT 4779 4777 CONECT 4780 4774 4781 CONECT 4781 4780 4782 4784 CONECT 4782 3493 4781 4783 CONECT 4783 4782 CONECT 4784 4781 4785 CONECT 4785 4784 4786 4789 CONECT 4786 4785 4787 CONECT 4787 4786 4788 CONECT 4788 4787 4789 CONECT 4789 4785 4788 4790 CONECT 4790 4789 MASTER 284 0 2 21 30 0 0 6 4837 2 60 48 END