HEADER VIRAL PROTEIN 02-FEB-21 7LKE TITLE X-RAY CRYSTAL STRUCTURE OF THE SARS-COV-2 MAIN PROTEASE IN SPACE GROUP TITLE 2 C2 COMPND MOL_ID: 1; COMPND 2 MOLECULE: 3C-LIKE PROTEINASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: 3CL-PRO,3CLP,MAIN PROTEASE,MPRO; COMPND 5 EC: 3.4.22.69; COMPND 6 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; SOURCE 5 ORGANISM_TAXID: 2697049; SOURCE 6 GENE: REP, 1A-1B; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_TAXID: 469008 KEYWDS PROTEASE, VIRAL PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR M.NARWAL,K.S.MURAKAMI REVDAT 4 18-OCT-23 7LKE 1 REMARK REVDAT 3 27-APR-22 7LKE 1 JRNL REVDAT 2 16-MAR-22 7LKE 1 AUTHOR JRNL REVDAT 1 14-APR-21 7LKE 0 JRNL AUTH A.NARAYANAN,M.NARWAL,S.A.MAJOWICZ,C.VARRICCHIO,S.A.TONER, JRNL AUTH 2 C.BALLATORE,A.BRANCALE,K.S.MURAKAMI,J.JOSE JRNL TITL IDENTIFICATION OF SARS-COV-2 INHIBITORS TARGETING MPRO AND JRNL TITL 2 PLPRO USING IN-CELL-PROTEASE ASSAY. JRNL REF COMMUN BIOL V. 5 169 2022 JRNL REFN ESSN 2399-3642 JRNL PMID 35217718 JRNL DOI 10.1038/S42003-022-03090-9 REMARK 2 REMARK 2 RESOLUTION. 2.69 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.19RC5_4047 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) : 2.69 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 47.83 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 91.3 REMARK 3 NUMBER OF REFLECTIONS : 6589 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.232 REMARK 3 R VALUE (WORKING SET) : 0.225 REMARK 3 FREE R VALUE : 0.294 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.020 REMARK 3 FREE R VALUE TEST SET COUNT : 660 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 47.8300 - 4.6000 0.93 1238 139 0.1941 0.2761 REMARK 3 2 4.5900 - 3.6500 0.94 1217 135 0.2107 0.2530 REMARK 3 3 3.6500 - 3.1900 0.98 1275 142 0.2560 0.3294 REMARK 3 4 3.1900 - 2.8900 0.96 1247 138 0.2836 0.3448 REMARK 3 5 2.8900 - 2.6900 0.74 952 106 0.3427 0.4514 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) : 0.490 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 38.750 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 : 0.010 2375 REMARK 3 ANGLE : 1.482 3228 REMARK 3 CHIRALITY : 0.076 364 REMARK 3 PLANARITY : 0.011 420 REMARK 3 DIHEDRAL : 16.475 850 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 3 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 1:5 OR RESID 197:300) REMARK 3 ORIGIN FOR THE GROUP (A): -16.5806 1.7635 31.1014 REMARK 3 T TENSOR REMARK 3 T11: 0.5678 T22: 0.6831 REMARK 3 T33: 0.6076 T12: 0.1105 REMARK 3 T13: 0.0697 T23: -0.0722 REMARK 3 L TENSOR REMARK 3 L11: 1.6870 L22: 2.1221 REMARK 3 L33: 1.9506 L12: -0.4906 REMARK 3 L13: 0.8382 L23: -0.2776 REMARK 3 S TENSOR REMARK 3 S11: -0.0268 S12: -0.0903 S13: -0.1176 REMARK 3 S21: 0.0540 S22: 0.0341 S23: 0.4187 REMARK 3 S31: -0.5314 S32: -0.4186 S33: -0.0001 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 6:17 OR RESID 97:196 ) REMARK 3 ORIGIN FOR THE GROUP (A): -16.0263 -16.9605 13.6158 REMARK 3 T TENSOR REMARK 3 T11: 0.5693 T22: 0.4801 REMARK 3 T33: 0.4563 T12: -0.0003 REMARK 3 T13: 0.0179 T23: -0.0116 REMARK 3 L TENSOR REMARK 3 L11: 0.8391 L22: 0.6251 REMARK 3 L33: 2.3350 L12: -0.6783 REMARK 3 L13: 1.6996 L23: 1.2495 REMARK 3 S TENSOR REMARK 3 S11: 0.3046 S12: -0.0870 S13: 0.0018 REMARK 3 S21: 0.2094 S22: -0.3624 S23: -0.1573 REMARK 3 S31: 0.5728 S32: -0.4797 S33: 0.0007 REMARK 3 TLS GROUP : 3 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 18:96 ) REMARK 3 ORIGIN FOR THE GROUP (A): -17.6419 -29.1970 1.2221 REMARK 3 T TENSOR REMARK 3 T11: 0.9513 T22: 0.6897 REMARK 3 T33: 0.6521 T12: 0.1111 REMARK 3 T13: -0.0871 T23: -0.0627 REMARK 3 L TENSOR REMARK 3 L11: 0.9267 L22: 0.9103 REMARK 3 L33: 0.6962 L12: 0.5651 REMARK 3 L13: 0.5605 L23: -0.1111 REMARK 3 S TENSOR REMARK 3 S11: 0.7381 S12: 0.4135 S13: -0.3356 REMARK 3 S21: -0.1967 S22: -0.1458 S23: 0.1937 REMARK 3 S31: 0.9662 S32: 0.0322 S33: 0.0004 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 7LKE COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 02-FEB-21. REMARK 100 THE DEPOSITION ID IS D_1000254022. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 16-OCT-20 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : CHESS REMARK 200 BEAMLINE : A1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9687 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER X 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 6591 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.690 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 (%) : 92.8 REMARK 200 DATA REDUNDANCY : 2.900 REMARK 200 R MERGE (I) : 0.10400 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 11.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.80 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 : 1.400 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: 6WTK REMARK 200 REMARK 200 REMARK: THREE-DIMENSIONAL ROD-SHAPED CRYSTALS REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 35.44 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.90 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M SODIUM SULPHATE, 10% PEG 3350, REMARK 280 20 MM HEPES PH 7.5, 15% GLYCEROL, VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 293K 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 55.65150 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 26.61350 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 55.65150 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 26.61350 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 2500 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 23810 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -16.0 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 -9.04541 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 43.44944 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 SER A 301 REMARK 465 GLY A 302 REMARK 465 VAL A 303 REMARK 465 THR A 304 REMARK 465 PHE A 305 REMARK 465 GLN A 306 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 SER A 1 OG REMARK 470 LYS A 12 CG CD CE NZ REMARK 470 LEU A 27 CG CD1 CD2 REMARK 470 GLU A 55 CG CD OE1 OE2 REMARK 470 LEU A 57 CG CD1 CD2 REMARK 470 ILE A 59 CG1 CG2 CD1 REMARK 470 ARG A 60 CG CD NE CZ NH1 NH2 REMARK 470 LYS A 61 CG CD CE NZ REMARK 470 LEU A 67 CG CD1 CD2 REMARK 470 GLN A 69 CG CD OE1 NE2 REMARK 470 ASN A 72 CG OD1 ND2 REMARK 470 LEU A 75 CG CD1 CD2 REMARK 470 ARG A 76 CG CD NE CZ NH1 NH2 REMARK 470 ILE A 78 CG1 CG2 CD1 REMARK 470 GLN A 83 CG CD OE1 NE2 REMARK 470 LYS A 100 CG CD CE NZ REMARK 470 LYS A 102 CG CD CE NZ REMARK 470 ASN A 142 CG OD1 ND2 REMARK 470 ASP A 155 CG OD1 OD2 REMARK 470 ARG A 188 CG CD NE CZ NH1 NH2 REMARK 470 VAL A 212 CG1 CG2 REMARK 470 ARG A 217 CG CD NE CZ NH1 NH2 REMARK 470 ARG A 222 CG CD NE CZ NH1 NH2 REMARK 470 THR A 224 OG1 CG2 REMARK 470 THR A 226 OG1 CG2 REMARK 470 LEU A 227 CG CD1 CD2 REMARK 470 ASP A 229 CG OD1 OD2 REMARK 470 LEU A 232 CG CD1 CD2 REMARK 470 VAL A 233 CG1 CG2 REMARK 470 LYS A 236 CG CD CE NZ REMARK 470 GLU A 240 CG CD OE1 OE2 REMARK 470 LEU A 242 CG CD1 CD2 REMARK 470 ILE A 249 CG1 CG2 CD1 REMARK 470 LEU A 262 CG CD1 CD2 REMARK 470 LYS A 269 CG CD CE NZ REMARK 470 GLU A 270 CG CD OE1 OE2 REMARK 470 GLN A 273 CG CD OE1 NE2 REMARK 470 ARG A 279 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 A 33 -134.06 52.35 REMARK 500 ASN A 51 65.50 -166.27 REMARK 500 ASN A 84 -112.79 51.80 REMARK 500 TYR A 154 -90.33 52.31 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 7LBN RELATED DB: PDB REMARK 900 STRUCTURE OF THE SARS-COV-2 MAIN PROTEASE WITH CALPAIN I INHIBITOR DBREF 7LKE 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 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 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 GLU A 47 ASN A 51 5 5 HELIX 4 AA4 ASN A 53 ARG A 60 1 8 HELIX 5 AA5 SER A 62 HIS A 64 5 3 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 GLY A 275 1 16 HELIX 11 AB2 THR A 292 CYS A 300 1 9 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 GLN A 19 O GLN A 69 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 ILE A 78 O LYS A 90 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 CRYST1 111.303 53.227 44.381 90.00 101.76 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 0.008984 0.000000 0.001870 0.00000 SCALE2 0.000000 0.018787 0.000000 0.00000 SCALE3 0.000000 0.000000 0.023015 0.00000