HEADER HYDROLASE 05-JUN-07 2Q6G TITLE CRYSTAL STRUCTURE OF SARS-COV MAIN PROTEASE H41A MUTANT IN COMPLEX TITLE 2 WITH AN N-TERMINAL SUBSTRATE COMPND MOL_ID: 1; COMPND 2 MOLECULE: SEVERE ACUTE RESPIRATORY SYNDROME CORONAVIRUS (SARS-COV); COMPND 3 CHAIN: A, B; COMPND 4 EC: 3.4.22.-; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: POLYPEPTIDE CHAIN; COMPND 9 CHAIN: C, D; COMPND 10 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SARS CORONAVIRUS; SOURCE 3 ORGANISM_TAXID: 228407; SOURCE 4 STRAIN: BJ01; SOURCE 5 GENE: REP; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PGEX-6P-1; SOURCE 11 MOL_ID: 2; SOURCE 12 SYNTHETIC: YES; SOURCE 13 OTHER_DETAILS: CHEMICALLY SYNTHESIZED. KEYWDS CORONAVIRUS; SARS-COV; MAIN PROTEASE; 3C-LIKE PROTEINASE;SUBSTRATE, KEYWDS 2 HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR X.Y.XUE,H.T.YANG,F.XUE,M.BARTLAM,Z.H.RAO REVDAT 6 30-AUG-23 2Q6G 1 REMARK REVDAT 5 20-OCT-21 2Q6G 1 SEQADV REVDAT 4 13-JUL-11 2Q6G 1 VERSN REVDAT 3 24-FEB-09 2Q6G 1 VERSN REVDAT 2 25-MAR-08 2Q6G 1 JRNL REVDAT 1 12-FEB-08 2Q6G 0 JRNL AUTH X.XUE,H.YU,H.YANG,F.XUE,Z.WU,W.SHEN,J.LI,Z.ZHOU,Y.DING, JRNL AUTH 2 Q.ZHAO,X.C.ZHANG,M.LIAO,M.BARTLAM,Z.RAO JRNL TITL STRUCTURES OF TWO CORONAVIRUS MAIN PROTEASES: IMPLICATIONS JRNL TITL 2 FOR SUBSTRATE BINDING AND ANTIVIRAL DRUG DESIGN. JRNL REF J.VIROL. V. 82 2515 2008 JRNL REFN ISSN 0022-538X JRNL PMID 18094151 JRNL DOI 10.1128/JVI.02114-07 REMARK 2 REMARK 2 RESOLUTION. 2.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 95.8 REMARK 3 NUMBER OF REFLECTIONS : 21518 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.199 REMARK 3 FREE R VALUE : 0.267 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 1031 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4823 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 236 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 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : NULL REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : ISOTROPIC REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : NULL REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2Q6G COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 02-JUL-07. REMARK 100 THE DEPOSITION ID IS D_1000043208. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 18-MAR-05 REMARK 200 TEMPERATURE (KELVIN) : 298 REMARK 200 PH : 6.0 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 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV++ REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 25190 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.400 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : 3.300 REMARK 200 R MERGE (I) : 0.10600 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.40 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.49 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.9 REMARK 200 DATA REDUNDANCY IN SHELL : 3.30 REMARK 200 R MERGE FOR SHELL (I) : 0.47400 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: PDB ENTRY 1UK2 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 47.60 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.35 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 2% POLYETHYLENE GLYCOL (PEG) 6000 3% REMARK 280 DMSO 1 MM DTT 0.1 M [2-(N-MORPHOLINO) ETHANESULFONIC ACID] (MES) REMARK 280 BUFFER (PH 6.0). THE 11-MER PEPTIDYL SUBSTRATE WITH SEQUENCE REMARK 280 TSAVLQSGFRK WAS DISSOLVED IN 7.5% PEG 6000, 6% DMSO, AND 0.1MMES REMARK 280 (PH 6.0) WITH A CONCENTRATION OF 20 MM. A 3 L ALIQUOT OF SUCH REMARK 280 SOLUTION WAS ADDED TO THE DROP AND THE CRYSTALS WERE SOAKED FOR REMARK 280 8 DAYS., VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 291K 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 47.91450 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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS A HOMODIMER WITH TWO SUBSTRATE REMARK 300 MOLECULE IN THE ACTIVE SITE OF EACH PROTOMER. 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: TETRAMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D 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 A 306 REMARK 465 VAL B 303 REMARK 465 THR B 304 REMARK 465 PHE B 305 REMARK 465 GLN B 306 REMARK 465 PHE D 9 REMARK 465 ARG D 10 REMARK 465 LYS D 11 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 -137.95 50.57 REMARK 500 ASP A 34 39.67 -93.46 REMARK 500 ASN A 84 -127.30 60.89 REMARK 500 TYR A 154 -83.89 59.90 REMARK 500 HIS A 164 -51.93 -128.36 REMARK 500 LEU A 177 25.78 -77.83 REMARK 500 PRO A 184 36.08 -88.16 REMARK 500 LEU B 27 -175.22 -170.67 REMARK 500 ASP B 33 -118.28 52.69 REMARK 500 ASN B 51 70.24 -172.51 REMARK 500 ASN B 53 79.33 -119.36 REMARK 500 ASN B 84 -128.42 56.13 REMARK 500 SER B 139 59.48 -104.00 REMARK 500 TYR B 154 -116.42 67.39 REMARK 500 HIS B 164 -52.97 -125.15 REMARK 500 LEU B 177 22.51 -78.66 REMARK 500 ASP B 187 51.98 -64.29 REMARK 500 ALA B 193 133.74 -177.00 REMARK 500 ARG B 217 6.19 -150.94 REMARK 500 THR B 257 -21.18 73.52 REMARK 500 SER B 301 -40.90 -143.77 REMARK 500 GLN D 6 67.68 -57.32 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2Q6D RELATED DB: PDB REMARK 900 RELATED ID: 2Q6F RELATED DB: PDB DBREF 2Q6G A 1 306 UNP P59641 R1AB_CVHSA 3241 3546 DBREF 2Q6G B 1 306 UNP P59641 R1AB_CVHSA 3241 3546 DBREF 2Q6G C 1 11 PDB 2Q6G 2Q6G 1 11 DBREF 2Q6G D 1 11 PDB 2Q6G 2Q6G 1 11 SEQADV 2Q6G ALA A 41 UNP P59641 HIS 3281 ENGINEERED MUTATION SEQADV 2Q6G ALA B 41 UNP P59641 HIS 3281 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 THR VAL TYR CYS PRO SEQRES 4 A 306 ARG ALA 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 SEQRES 1 B 306 SER GLY PHE ARG LYS MET ALA PHE PRO SER GLY LYS VAL SEQRES 2 B 306 GLU GLY CYS MET VAL GLN VAL THR CYS GLY THR THR THR SEQRES 3 B 306 LEU ASN GLY LEU TRP LEU ASP ASP THR VAL TYR CYS PRO SEQRES 4 B 306 ARG ALA VAL ILE CYS THR ALA GLU ASP MET LEU ASN PRO SEQRES 5 B 306 ASN TYR GLU ASP LEU LEU ILE ARG LYS SER ASN HIS SER SEQRES 6 B 306 PHE LEU VAL GLN ALA GLY ASN VAL GLN LEU ARG VAL ILE SEQRES 7 B 306 GLY HIS SER MET GLN ASN CYS LEU LEU ARG LEU LYS VAL SEQRES 8 B 306 ASP THR SER ASN PRO LYS THR PRO LYS TYR LYS PHE VAL SEQRES 9 B 306 ARG ILE GLN PRO GLY GLN THR PHE SER VAL LEU ALA CYS SEQRES 10 B 306 TYR ASN GLY SER PRO SER GLY VAL TYR GLN CYS ALA MET SEQRES 11 B 306 ARG PRO ASN HIS THR ILE LYS GLY SER PHE LEU ASN GLY SEQRES 12 B 306 SER CYS GLY SER VAL GLY PHE ASN ILE ASP TYR ASP CYS SEQRES 13 B 306 VAL SER PHE CYS TYR MET HIS HIS MET GLU LEU PRO THR SEQRES 14 B 306 GLY VAL HIS ALA GLY THR ASP LEU GLU GLY LYS PHE TYR SEQRES 15 B 306 GLY PRO PHE VAL ASP ARG GLN THR ALA GLN ALA ALA GLY SEQRES 16 B 306 THR ASP THR THR ILE THR LEU ASN VAL LEU ALA TRP LEU SEQRES 17 B 306 TYR ALA ALA VAL ILE ASN GLY ASP ARG TRP PHE LEU ASN SEQRES 18 B 306 ARG PHE THR THR THR LEU ASN ASP PHE ASN LEU VAL ALA SEQRES 19 B 306 MET LYS TYR ASN TYR GLU PRO LEU THR GLN ASP HIS VAL SEQRES 20 B 306 ASP ILE LEU GLY PRO LEU SER ALA GLN THR GLY ILE ALA SEQRES 21 B 306 VAL LEU ASP MET CYS ALA ALA LEU LYS GLU LEU LEU GLN SEQRES 22 B 306 ASN GLY MET ASN GLY ARG THR ILE LEU GLY SER THR ILE SEQRES 23 B 306 LEU GLU ASP GLU PHE THR PRO PHE ASP VAL VAL ARG GLN SEQRES 24 B 306 CYS SER GLY VAL THR PHE GLN SEQRES 1 C 11 THR SER ALA VAL LEU GLN SER GLY PHE ARG LYS SEQRES 1 D 11 THR SER ALA VAL LEU GLN SER GLY PHE ARG LYS FORMUL 5 HOH *236(H2 O) HELIX 1 1 SER A 10 GLY A 15 1 6 HELIX 2 2 ALA A 41 CYS A 44 5 4 HELIX 3 3 ASN A 53 ARG A 60 1 8 HELIX 4 4 SER A 62 PHE A 66 5 5 HELIX 5 5 ILE A 200 ASN A 214 1 15 HELIX 6 6 THR A 226 TYR A 237 1 12 HELIX 7 7 THR A 243 LEU A 250 1 8 HELIX 8 8 LEU A 250 GLY A 258 1 9 HELIX 9 9 ALA A 260 ASN A 274 1 15 HELIX 10 10 THR A 292 SER A 301 1 10 HELIX 11 11 SER B 10 GLY B 15 1 6 HELIX 12 12 ALA B 41 CYS B 44 5 4 HELIX 13 13 ALA B 46 ASN B 51 5 6 HELIX 14 14 ASN B 53 ARG B 60 1 8 HELIX 15 15 SER B 62 PHE B 66 5 5 HELIX 16 16 ILE B 200 ASN B 214 1 15 HELIX 17 17 THR B 226 TYR B 237 1 12 HELIX 18 18 THR B 243 LEU B 250 1 8 HELIX 19 19 LEU B 250 GLN B 256 1 7 HELIX 20 20 THR B 257 ILE B 259 5 3 HELIX 21 21 ALA B 260 GLY B 275 1 16 HELIX 22 22 THR B 292 GLY B 302 1 11 SHEET 1 A 7 VAL A 73 LEU A 75 0 SHEET 2 A 7 LEU A 67 ALA A 70 -1 N VAL A 68 O LEU A 75 SHEET 3 A 7 MET A 17 CYS A 22 -1 N GLN A 19 O GLN A 69 SHEET 4 A 7 THR A 25 LEU A 32 -1 O GLY A 29 N VAL A 18 SHEET 5 A 7 THR A 35 PRO A 39 -1 O TYR A 37 N LEU A 30 SHEET 6 A 7 LEU A 86 VAL A 91 -1 O LEU A 87 N CYS A 38 SHEET 7 A 7 VAL A 77 GLN A 83 -1 N SER A 81 O ARG A 88 SHEET 1 B 5 VAL A 73 LEU A 75 0 SHEET 2 B 5 LEU A 67 ALA A 70 -1 N VAL A 68 O LEU A 75 SHEET 3 B 5 MET A 17 CYS A 22 -1 N GLN A 19 O GLN A 69 SHEET 4 B 5 THR A 25 LEU A 32 -1 O GLY A 29 N VAL A 18 SHEET 5 B 5 GLY C 8 PHE C 9 -1 O GLY C 8 N THR A 26 SHEET 1 C 3 TYR A 101 PHE A 103 0 SHEET 2 C 3 CYS A 156 GLU A 166 1 O VAL A 157 N LYS A 102 SHEET 3 C 3 HIS A 172 THR A 175 -1 O ALA A 173 N MET A 165 SHEET 1 D 5 SER A 121 ALA A 129 0 SHEET 2 D 5 THR A 111 TYR A 118 -1 N ALA A 116 O SER A 123 SHEET 3 D 5 VAL A 148 ASP A 153 -1 O PHE A 150 N SER A 113 SHEET 4 D 5 CYS A 156 GLU A 166 -1 O CYS A 156 N ASP A 153 SHEET 5 D 5 VAL C 4 LEU C 5 -1 O VAL C 4 N GLU A 166 SHEET 1 E 7 VAL B 73 LEU B 75 0 SHEET 2 E 7 LEU B 67 ALA B 70 -1 N VAL B 68 O LEU B 75 SHEET 3 E 7 MET B 17 CYS B 22 -1 N THR B 21 O LEU B 67 SHEET 4 E 7 THR B 25 LEU B 32 -1 O THR B 25 N CYS B 22 SHEET 5 E 7 THR B 35 PRO B 39 -1 O TYR B 37 N LEU B 30 SHEET 6 E 7 LEU B 86 VAL B 91 -1 O LEU B 89 N VAL B 36 SHEET 7 E 7 VAL B 77 GLN B 83 -1 N GLY B 79 O LYS B 90 SHEET 1 F 5 LYS B 100 PHE B 103 0 SHEET 2 F 5 CYS B 156 GLU B 166 1 O VAL B 157 N LYS B 100 SHEET 3 F 5 VAL B 148 ASP B 153 -1 N GLY B 149 O TYR B 161 SHEET 4 F 5 THR B 111 TYR B 118 -1 N SER B 113 O PHE B 150 SHEET 5 F 5 SER B 121 ALA B 129 -1 O TYR B 126 N VAL B 114 SHEET 1 G 3 LYS B 100 PHE B 103 0 SHEET 2 G 3 CYS B 156 GLU B 166 1 O VAL B 157 N LYS B 100 SHEET 3 G 3 HIS B 172 THR B 175 -1 O ALA B 173 N MET B 165 CRYST1 51.982 95.829 67.718 90.00 102.92 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 0.019237 0.000000 0.004413 0.00000 SCALE2 0.000000 0.010435 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015151 0.00000