HEADER VIRAL PROTEIN,HYDROLASE/INHIBITOR 11-JAN-21 7LCQ TITLE N-TERMINAL FINGER STABILIZES FELINE DRUG GC376 IN CORONAVIRUS 3CL TITLE 2 PROTEASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: 3C-LIKE PROTEINASE; COMPND 3 CHAIN: A; COMPND 4 EC: 3.4.22.69; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SEVERE ACUTE RESPIRATORY SYNDROME CORONAVIRUS; SOURCE 3 ORGANISM_COMMON: SARS-COV; SOURCE 4 ORGANISM_TAXID: 694009; SOURCE 5 GENE: REP, 1A-1B; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI O103:H2; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 585395; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: 12009 KEYWDS COVID-19, SARS-COV-1, 3CLPRO, CORONAVIRUS, MAIN PROTEASE, KINETICS, KEYWDS 2 SARS, VIRAL PROTEIN, HYDROLASE-HYDROLASE INHIBITOR COMPLEX, KEYWDS 3 HYDROLASE, HYDROLASE-INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR M.B.KHAN,E.ARUTYUNOVA,H.S.YOUNG,M.J.LEMIEUX REVDAT 3 18-OCT-23 7LCQ 1 HETSYN REVDAT 2 19-MAY-21 7LCQ 1 JRNL REVDAT 1 12-MAY-21 7LCQ 0 JRNL AUTH E.ARUTYUNOVA,M.B.KHAN,C.FISCHER,J.LU,T.LAMER,W.VUONG, JRNL AUTH 2 M.J.VAN BELKUM,R.T.MCKAY,D.L.TYRRELL,J.C.VEDERAS,H.S.YOUNG, JRNL AUTH 3 M.J.LEMIEUX JRNL TITL N-TERMINAL FINGER STABILIZES THE S1 POCKET FOR THE JRNL TITL 2 REVERSIBLE FELINE DRUG GC376 IN THE SARS-COV-2 M PRO DIMER. JRNL REF J.MOL.BIOL. V. 433 67003 2021 JRNL REFN ESSN 1089-8638 JRNL PMID 33895266 JRNL DOI 10.1016/J.JMB.2021.167003 REMARK 2 REMARK 2 RESOLUTION. 2.15 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 : GEOSTD + MONOMER LIBRARY + CDL V1.2 REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.15 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 33.19 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 97.0 REMARK 3 NUMBER OF REFLECTIONS : 24159 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.197 REMARK 3 R VALUE (WORKING SET) : 0.196 REMARK 3 FREE R VALUE : 0.223 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.470 REMARK 3 FREE R VALUE TEST SET COUNT : 1079 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 33.1900 - 4.3000 0.97 2948 138 0.1603 0.1762 REMARK 3 2 4.3000 - 3.4100 0.96 2846 133 0.1888 0.2111 REMARK 3 3 3.4100 - 2.9800 0.98 2940 138 0.2210 0.2682 REMARK 3 4 2.9800 - 2.7100 0.96 2849 133 0.2452 0.3240 REMARK 3 5 2.7100 - 2.5100 0.99 2917 137 0.2459 0.3072 REMARK 3 6 2.5100 - 2.3700 0.98 2898 136 0.2736 0.3195 REMARK 3 7 2.3700 - 2.2500 0.97 2910 134 0.3382 0.3472 REMARK 3 8 2.2500 - 2.1500 0.94 2772 130 0.4202 0.4865 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) : 0.387 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 35.149 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 70.00 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 : 0.016 2431 REMARK 3 ANGLE : 1.749 3297 REMARK 3 CHIRALITY : 0.075 371 REMARK 3 PLANARITY : 0.012 426 REMARK 3 DIHEDRAL : 19.563 334 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): -7.8438 -39.2227 10.8205 REMARK 3 T TENSOR REMARK 3 T11: 0.5701 T22: 0.6413 REMARK 3 T33: 0.4656 T12: -0.1334 REMARK 3 T13: 0.0685 T23: -0.0005 REMARK 3 L TENSOR REMARK 3 L11: 3.7656 L22: 4.8807 REMARK 3 L33: 3.1084 L12: 2.1574 REMARK 3 L13: 0.3332 L23: 1.5540 REMARK 3 S TENSOR REMARK 3 S11: -0.0314 S12: -0.2601 S13: -0.3223 REMARK 3 S21: 0.0498 S22: -0.1390 S23: 0.0883 REMARK 3 S31: 0.0755 S32: -0.0536 S33: 0.1199 REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: THE DATA WERE COLLECTED AND PROCESSED REMARK 3 TO 1.31 A, BUT THE STRUCTURE WAS REFINED USING ONLY DATA TO 2.15 REMARK 3 A REMARK 4 REMARK 4 7LCQ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 13-JAN-21. REMARK 100 THE DEPOSITION ID IS D_1000253443. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 16-APR-20 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL12-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97946 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS3 S 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 24292 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.150 REMARK 200 RESOLUTION RANGE LOW (A) : 33.190 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.9 REMARK 200 DATA REDUNDANCY : 4.500 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 14.7700 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.15 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 33.19 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: PHASER REMARK 200 STARTING MODEL: 2Q6G REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 64.05 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.42 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 7% PEG 8000, 1 MM MES PH 6.0, 1MM DTT, REMARK 280 3% ETHYLENE GLYCOL AND 3% DMSO, VAPOR DIFFUSION, TEMPERATURE 295K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 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 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 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 54.13500 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 41.02500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 54.13500 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 41.02500 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: DIMERIC 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 APPLY THE FOLLOWING TO CHAINS: A REMARK 350 BIOMT1 2 -1.000000 0.000000 0.000000 0.00000 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 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 THR A 304 REMARK 465 PHE A 305 REMARK 465 GLN A 306 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 OE1 GLN A 189 H8 UED A 603 1.26 REMARK 500 O ARG A 4 HE22 GLN A 299 1.45 REMARK 500 HD21 ASN A 221 OE1 GLU A 270 1.60 REMARK 500 OE1 GLN A 189 N11 UED A 603 2.12 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 CYS A 128 CB CYS A 128 SG -0.138 REMARK 500 GLN A 189 CB GLN A 189 CG 0.211 REMARK 500 GLU A 288 CD GLU A 288 OE2 0.128 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 ARG A 4 NE - CZ - NH1 ANGL. DEV. = 3.5 DEGREES REMARK 500 LEU A 27 CB - CG - CD1 ANGL. DEV. = 11.8 DEGREES REMARK 500 ARG A 60 CB - CG - CD ANGL. DEV. = -21.3 DEGREES REMARK 500 GLN A 189 CA - CB - CG ANGL. DEV. = 14.7 DEGREES REMARK 500 GLU A 288 OE1 - CD - OE2 ANGL. DEV. = 10.4 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 -74.61 -36.28 REMARK 500 HIS A 41 3.34 -69.64 REMARK 500 ASN A 51 68.45 -150.78 REMARK 500 ASN A 84 -77.31 -14.40 REMARK 500 PRO A 184 40.71 -84.75 REMARK 500 THR A 190 -167.01 -119.14 REMARK 500 LEU A 220 172.75 -59.02 REMARK 500 SER A 301 127.80 -175.17 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 LEU A 32 ASP A 33 -140.67 REMARK 500 GLN A 83 ASN A 84 -138.04 REMARK 500 MET A 276 ASN A 277 -147.66 REMARK 500 REMARK 500 REMARK: NULL DBREF 7LCQ A 1 306 UNP P0C6X7 R1AB_SARS 3241 3546 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 THR VAL TYR CYS PRO SEQRES 4 A 306 ARG HIS VAL ILE CYS THR ALA GLU ASP MET LEU ASN PRO SEQRES 5 A 306 ASN TYR GLU ASP LEU LEU ILE ARG LYS SER ASN HIS SER 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 LEU LEU ARG LEU LYS VAL SEQRES 8 A 306 ASP THR SER 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 CYS ALA MET SEQRES 11 A 306 ARG PRO ASN HIS 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 LYS 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 LEU 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 ALA LEU LYS GLU LEU LEU GLN SEQRES 22 A 306 ASN GLY MET ASN GLY ARG THR ILE LEU GLY SER THR ILE 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 HET EDO A 601 10 HET EDO A 602 10 HET UED A 603 59 HETNAM EDO 1,2-ETHANEDIOL HETNAM UED N~2~-[(BENZYLOXY)CARBONYL]-N-{(2S)-1-HYDROXY-3-[(3S)-2- HETNAM 2 UED OXOPYRROLIDIN-3-YL]PROPAN-2-YL}-L-LEUCINAMIDE HETSYN EDO ETHYLENE GLYCOL HETSYN UED GC373 BOUND FORM, GC376 BOUND FORM FORMUL 2 EDO 2(C2 H6 O2) FORMUL 4 UED C21 H31 N3 O5 FORMUL 5 HOH *3(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 ALA A 46 ASN A 51 5 6 HELIX 4 AA4 ASN A 53 ILE A 59 1 7 HELIX 5 AA5 SER A 62 PHE A 66 5 5 HELIX 6 AA6 ILE A 200 ASN A 214 1 15 HELIX 7 AA7 THR A 226 TYR A 237 1 12 HELIX 8 AA8 THR A 243 LEU A 250 1 8 HELIX 9 AA9 LEU A 250 GLY A 258 1 9 HELIX 10 AB1 ALA A 260 ASN A 274 1 15 HELIX 11 AB2 THR A 292 CYS A 300 1 9 SHEET 1 AA1 7 VAL A 73 GLN A 74 0 SHEET 2 AA1 7 LEU A 67 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 THR A 35 PRO A 39 -1 O TYR A 37 N LEU A 30 SHEET 6 AA1 7 LEU 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 GLN A 83 O LEU A 86 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 LINK SG CYS A 145 C21 UED A 603 1555 1555 1.76 CRYST1 108.270 82.050 53.820 90.00 104.12 90.00 C 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 0.009236 0.000000 0.002323 0.00000 SCALE2 0.000000 0.012188 0.000000 0.00000 SCALE3 0.000000 0.000000 0.019159 0.00000