HEADER VIRAL PROTEIN,HYDROLASE/INHIBITOR 19-AUG-21 7RVS TITLE STRUCTURE OF THE SARS-COV-2 MAIN PROTEASE IN COMPLEX WITH INHIBITOR TITLE 2 MPI19 COMPND MOL_ID: 1; COMPND 2 MOLECULE: 3C-LIKE PROTEINASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: MAIN PROTEASE, 3CL PROTEASE; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SEVERE ACUTE RESPIRATORY SYNDROME CORONAVIRUS SOURCE 3 2; SOURCE 4 ORGANISM_COMMON: 2019-NCOV, SARS-COV-2, COVID-19 VIRUS; SOURCE 5 ORGANISM_TAXID: 2697049; SOURCE 6 GENE: REP, 1A-1B; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS COVID-19, SARS-COV-2, MAIN PROTEASE, REVERSIBLE COVALENT INHIBITORS, KEYWDS 2 VIRAL PROTEIN, HYDROLASE-INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR K.YANG,W.LIU REVDAT 4 09-OCT-24 7RVS 1 REMARK REVDAT 3 15-NOV-23 7RVS 1 REMARK REVDAT 2 18-OCT-23 7RVS 1 REMARK REVDAT 1 20-JUL-22 7RVS 0 JRNL AUTH Y.MA,K.S.YANG,Z.Z.GENG,Y.R.ALUGUBELLI,N.SHAABANI, JRNL AUTH 2 E.C.VATANSEVER,X.R.MA,C.C.CHO,K.KHATUA,J.XIAO, JRNL AUTH 3 L.R.BLANKENSHIP,G.YU,B.SANKARAN,P.LI,R.ALLEN,H.JI,S.XU, JRNL AUTH 4 W.R.LIU JRNL TITL A MULTI-PRONGED EVALUATION OF ALDEHYDE-BASED TRIPEPTIDYL JRNL TITL 2 MAIN PROTEASE INHIBITORS AS SARS-COV-2 ANTIVIRALS. JRNL REF EUR.J.MED.CHEM. V. 240 14570 2022 JRNL REFN ISSN 0223-5234 JRNL PMID 35779291 JRNL DOI 10.1016/J.EJMECH.2022.114570 REMARK 2 REMARK 2 RESOLUTION. 1.85 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.18.2_3874 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) : 1.85 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 24.41 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.330 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.7 REMARK 3 NUMBER OF REFLECTIONS : 31512 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.201 REMARK 3 R VALUE (WORKING SET) : 0.199 REMARK 3 FREE R VALUE : 0.227 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.060 REMARK 3 FREE R VALUE TEST SET COUNT : 1596 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 24.4100 - 4.1100 0.99 2798 150 0.1689 0.1790 REMARK 3 2 4.1100 - 3.2700 0.99 2735 147 0.1770 0.2464 REMARK 3 3 3.2600 - 2.8500 0.99 2742 148 0.2025 0.1995 REMARK 3 4 2.8500 - 2.5900 0.99 2720 142 0.2158 0.2421 REMARK 3 5 2.5900 - 2.4100 0.99 2754 135 0.2187 0.2330 REMARK 3 6 2.4100 - 2.2600 0.99 2714 124 0.2165 0.2338 REMARK 3 7 2.2600 - 2.1500 0.99 2736 152 0.2234 0.2541 REMARK 3 8 2.1500 - 2.0600 0.98 2675 135 0.2207 0.2382 REMARK 3 9 2.0600 - 1.9800 0.98 2672 151 0.2343 0.2717 REMARK 3 10 1.9800 - 1.9100 0.98 2701 148 0.2494 0.2815 REMARK 3 11 1.9100 - 1.8500 0.98 2669 164 0.2851 0.3732 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) : 0.210 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 25.150 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 37.87 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 : 0.009 2485 REMARK 3 ANGLE : 1.309 3381 REMARK 3 CHIRALITY : 0.067 379 REMARK 3 PLANARITY : 0.009 439 REMARK 3 DIHEDRAL : 22.972 362 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): -13.1035 38.1628 -1.1812 REMARK 3 T TENSOR REMARK 3 T11: 0.1474 T22: 0.1446 REMARK 3 T33: 0.1022 T12: -0.0143 REMARK 3 T13: -0.0271 T23: 0.0192 REMARK 3 L TENSOR REMARK 3 L11: 2.7032 L22: 2.3710 REMARK 3 L33: 1.3594 L12: 0.6966 REMARK 3 L13: -0.4116 L23: -0.7507 REMARK 3 S TENSOR REMARK 3 S11: -0.0081 S12: -0.0150 S13: 0.0217 REMARK 3 S21: -0.0930 S22: 0.0116 S23: -0.0132 REMARK 3 S31: -0.0191 S32: 0.0820 S33: -0.0001 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 7RVS COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB. REMARK 100 THE DEPOSITION ID IS D_1000258914. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 13-NOV-20 REMARK 200 TEMPERATURE (KELVIN) : 120 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU MICROMAX-007 HF REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54224 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : BRUKER PHOTON II REMARK 200 INTENSITY-INTEGRATION SOFTWARE : PROTEUM PLUS REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 31907 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.850 REMARK 200 RESOLUTION RANGE LOW (A) : 24.410 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 10.10 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 17.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.85 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.89 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL 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: PHENIX REMARK 200 STARTING MODEL: 7JPY REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 56.09 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.80 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M AMMONIUM PHOSPHATE DIBASIC, 17% REMARK 280 W/V PEG3350, PH8.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 289K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,Y+1/2,Z+1/2 REMARK 290 4555 -X+1/2,Y+1/2,-Z+1/2 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 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 21.30525 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 40.90200 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 44.57151 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 21.30525 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 40.90200 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 44.57151 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: 3240 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 24330 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -15.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A 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 350 BIOMT1 2 -1.000000 0.000000 0.000000 -52.02700 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 564 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 611 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 641 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 657 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 674 LIES ON A SPECIAL POSITION. REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 NH1 ARG A 298 O HOH A 501 1.92 REMARK 500 O HOH A 543 O HOH A 668 1.98 REMARK 500 O HOH A 543 O HOH A 557 2.01 REMARK 500 NE2 GLN A 69 OE1 GLN A 74 2.06 REMARK 500 NH1 ARG A 298 O HOH A 502 2.13 REMARK 500 REMARK 500 REMARK: NULL 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 87 CA - CB - CG ANGL. DEV. = 17.7 DEGREES REMARK 500 CSO A 300 O - C - N ANGL. DEV. = -10.2 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 -132.60 52.11 REMARK 500 MET A 49 -13.70 -49.11 REMARK 500 ASN A 51 70.86 -154.03 REMARK 500 ASN A 84 -122.66 54.56 REMARK 500 TYR A 154 -99.71 47.11 REMARK 500 PRO A 168 33.93 -80.48 REMARK 500 PRO A 184 46.57 -87.82 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 ARG A 222 PHE A 223 -149.11 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY REMARK 500 REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 500 I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI ANGLE REMARK 500 CSO A 300 -19.39 REMARK 500 REMARK 500 REMARK: NULL DBREF 7RVS A 1 306 UNP P0DTD1 R1AB_SARS2 3264 3569 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 CYS SEQRES 10 A 306 TYR ASN GLY SER PRO SER GLY VAL TYR GLN CSO 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 CSO SER GLY VAL THR PHE GLN MODRES 7RVS CSO A 128 CYS MODIFIED RESIDUE MODRES 7RVS CSO A 300 CYS MODIFIED RESIDUE HET CSO A 128 7 HET CSO A 300 7 HET 81L A 401 37 HETNAM CSO S-HYDROXYCYSTEINE HETNAM 81L N-[(BENZYLOXY)CARBONYL]-3-METHYL-L-VALYL-3-CYCLOPROPYL- HETNAM 2 81L N-{(2S)-1-HYDROXY-3-[(3S)-2-OXOPYRROLIDIN-3-YL]PROPAN- HETNAM 3 81L 2-YL}-L-ALANINAMIDE FORMUL 1 CSO 2(C3 H7 N O3 S) FORMUL 2 81L C27 H40 N4 O6 FORMUL 3 HOH *176(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 TYR A 237 1 12 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 GLY A 302 1 11 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 89 N VAL A 36 SHEET 7 AA1 7 VAL A 77 GLN A 83 -1 N GLN A 83 O VAL A 86 SHEET 1 AA2 5 LYS A 100 PHE A 103 0 SHEET 2 AA2 5 CYS A 156 GLU A 166 1 O VAL A 157 N LYS A 100 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 LYS A 100 PHE A 103 0 SHEET 2 AA3 3 CYS A 156 GLU A 166 1 O VAL A 157 N LYS A 100 SHEET 3 AA3 3 HIS A 172 THR A 175 -1 O ALA A 173 N MET A 165 LINK C GLN A 127 N CSO A 128 1555 1555 1.33 LINK C CSO A 128 N ALA A 129 1555 1555 1.33 LINK SG CYS A 145 C27 81L A 401 1555 1555 1.81 LINK C GLN A 299 N CSO A 300 1555 1555 1.33 LINK C CSO A 300 N SER A 301 1555 1555 1.34 CRYST1 52.027 81.804 89.639 90.00 96.03 90.00 I 1 2 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 0.019221 0.000000 0.002031 0.00000 SCALE2 0.000000 0.012224 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011218 0.00000