HEADER HYDROLASE 19-DEC-23 8VEM TITLE ISPETASE - ACCE MUTANT COMPND MOL_ID: 1; COMPND 2 MOLECULE: POLY(ETHYLENE TEREPHTHALATE) HYDROLASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: PET HYDROLASE,PETASE,PET-DIGESTING ENZYME; COMPND 5 EC: 3.1.1.101; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PISCINIBACTER SAKAIENSIS; SOURCE 3 ORGANISM_TAXID: 1547922; SOURCE 4 GENE: ISF6_4831; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008 KEYWDS PETASE, PROTEIN ENGINEERING, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR Y.JOHO,S.ROYAN,S.NEWTON,A.T.CAPUTO,A.ARDEVOL GRAU,C.JACKSON REVDAT 1 19-JUN-24 8VEM 0 JRNL AUTH Y.JOHO,S.ROYAN,A.T.CAPUTO,S.NEWTON,T.S.PEAT,J.NEWMAN, JRNL AUTH 2 C.JACKSON,A.ARDEVOL JRNL TITL ENHANCING PET DEGRADING ENZYMES: A COMBINATORY APPROACH. JRNL REF CHEMBIOCHEM V. 25 00084 2024 JRNL REFN ESSN 1439-7633 JRNL PMID 38584134 JRNL DOI 10.1002/CBIC.202400084 REMARK 2 REMARK 2 RESOLUTION. 1.71 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : BUSTER 2.10.4 REMARK 3 AUTHORS : BRICOGNE,BLANC,BRANDL,FLENSBURG,KELLER, REMARK 3 : PACIOREK,ROVERSI,SHARFF,SMART,VONRHEIN, REMARK 3 : WOMACK,MATTHEWS,TEN EYCK,TRONRUD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.71 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 47.23 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 63.2 REMARK 3 NUMBER OF REFLECTIONS : 16551 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.214 REMARK 3 R VALUE (WORKING SET) : 0.212 REMARK 3 FREE R VALUE : 0.251 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 785 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 (ANGSTROMS) : 1.71 REMARK 3 BIN RESOLUTION RANGE LOW (ANGSTROMS) : 1.82 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 9.54 REMARK 3 REFLECTIONS IN BIN (WORKING + TEST SET) : NULL REMARK 3 BIN R VALUE (WORKING + TEST SET) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.3059 REMARK 3 BIN FREE R VALUE : 0.2362 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 20 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 : 1922 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 5 REMARK 3 SOLVENT ATOMS : 181 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 31.58 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -2.75450 REMARK 3 B22 (A**2) : 5.43420 REMARK 3 B33 (A**2) : -2.67970 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.280 REMARK 3 DPI (BLOW EQ-10) BASED ON R VALUE (A) : 0.244 REMARK 3 DPI (BLOW EQ-9) BASED ON FREE R VALUE (A) : 0.187 REMARK 3 DPI (CRUICKSHANK) BASED ON R VALUE (A) : 1.712 REMARK 3 DPI (CRUICKSHANK) BASED ON FREE R VALUE (A) : 0.181 REMARK 3 REMARK 3 REFERENCES: BLOW, D. (2002) ACTA CRYST D58, 792-797 REMARK 3 CRUICKSHANK, D.W.J. (1999) ACTA CRYST D55, 583-601 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.937 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.911 REMARK 3 REMARK 3 NUMBER OF GEOMETRIC FUNCTION TERMS DEFINED : 15 REMARK 3 TERM COUNT WEIGHT FUNCTION. REMARK 3 BOND LENGTHS : 3984 ; 2.000 ; HARMONIC REMARK 3 BOND ANGLES : 7183 ; 2.000 ; HARMONIC REMARK 3 TORSION ANGLES : 1215 ; 2.000 ; SINUSOIDAL REMARK 3 TRIGONAL CARBON PLANES : NULL ; NULL ; NULL REMARK 3 GENERAL PLANES : 668 ; 5.000 ; HARMONIC REMARK 3 ISOTROPIC THERMAL FACTORS : 2047 ; 10.000 ; HARMONIC REMARK 3 BAD NON-BONDED CONTACTS : NULL ; NULL ; NULL REMARK 3 IMPROPER TORSIONS : NULL ; NULL ; NULL REMARK 3 PSEUDOROTATION ANGLES : NULL ; NULL ; NULL REMARK 3 CHIRAL IMPROPER TORSION : 285 ; 5.000 ; SEMIHARMONIC REMARK 3 SUM OF OCCUPANCIES : NULL ; NULL ; NULL REMARK 3 UTILITY DISTANCES : NULL ; NULL ; NULL REMARK 3 UTILITY ANGLES : NULL ; NULL ; NULL REMARK 3 UTILITY TORSION : NULL ; NULL ; NULL REMARK 3 IDEAL-DIST CONTACT TERM : 3773 ; 4.000 ; SEMIHARMONIC REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 1.02 REMARK 3 PEPTIDE OMEGA TORSION ANGLES (DEGREES) : 4.47 REMARK 3 OTHER TORSION ANGLES (DEGREES) : 14.22 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: { A|* } REMARK 3 ORIGIN FOR THE GROUP (A): -6.7743 1.8124 -5.7475 REMARK 3 T TENSOR REMARK 3 T11: -0.1012 T22: 0.0823 REMARK 3 T33: -0.1353 T12: 0.0287 REMARK 3 T13: 0.0243 T23: 0.0219 REMARK 3 L TENSOR REMARK 3 L11: 1.7658 L22: 0.9955 REMARK 3 L33: 3.96 L12: 0.3547 REMARK 3 L13: 1.1744 L23: 0.2386 REMARK 3 S TENSOR REMARK 3 S11: -0.0049 S12: -0.0771 S13: 0.4333 REMARK 3 S21: -0.0771 S22: 0.0554 S23: 0.5148 REMARK 3 S31: 0.4333 S32: 0.5148 S33: -0.0505 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 8VEM COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 22-DEC-23. REMARK 100 THE DEPOSITION ID IS D_1000280042. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 27-NOV-20 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 : AUSTRALIAN SYNCHROTRON REMARK 200 BEAMLINE : MX1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.95372 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER2 X 9M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 16551 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.711 REMARK 200 RESOLUTION RANGE LOW (A) : 47.229 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 93.0 REMARK 200 DATA REDUNDANCY : 13.20 REMARK 200 R MERGE (I) : 0.16600 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) : 1.71 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.86 REMARK 200 COMPLETENESS FOR SHELL (%) : 54.3 REMARK 200 DATA REDUNDANCY IN SHELL : 11.90 REMARK 200 R MERGE FOR SHELL (I) : 1.91600 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: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 40.30 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.06 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.138 M AMMONIUM SULFATE, 30 W/V REMARK 280 POLYETHYLENE GLYCOL 8000, VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 25.38900 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 39.30100 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 29.54250 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 39.30100 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 25.38900 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 29.54250 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: MONOMERIC 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 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 MET A 27 REMARK 465 GLY A 28 REMARK 465 ALA A 291 REMARK 465 SER A 292 REMARK 465 HIS A 293 REMARK 465 HIS A 294 REMARK 465 HIS A 295 REMARK 465 HIS A 296 REMARK 465 HIS A 297 REMARK 465 HIS A 298 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 ASN A 73 41.11 -146.06 REMARK 500 THR A 88 -9.58 74.30 REMARK 500 SER A 160 -121.64 62.85 REMARK 500 ASN A 205 30.26 -99.76 REMARK 500 SER A 214 -79.30 -131.85 REMARK 500 SER A 214 -80.33 -131.13 REMARK 500 CYS A 289 -78.00 -91.16 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 8VE9 RELATED DB: PDB REMARK 900 DIFFERENT POINT MUTANTS OF SAME ENZYME REMARK 900 RELATED ID: 8VEK RELATED DB: PDB REMARK 900 DIFFERENT POINT MUTANTS OF SAME ENZYME REMARK 900 RELATED ID: 8VEL RELATED DB: PDB REMARK 900 DIFFERENT POINT MUTANTS OF SAME ENZYME DBREF1 8VEM A 30 290 UNP PETH_IDESA DBREF2 8VEM A A0A0K8P6T7 30 290 SEQADV 8VEM MET A 27 UNP A0A0K8P6T INITIATING METHIONINE SEQADV 8VEM GLY A 28 UNP A0A0K8P6T EXPRESSION TAG SEQADV 8VEM SER A 29 UNP A0A0K8P6T EXPRESSION TAG SEQADV 8VEM GLU A 136 UNP A0A0K8P6T SER 136 ENGINEERED MUTATION SEQADV 8VEM ALA A 186 UNP A0A0K8P6T ASP 186 ENGINEERED MUTATION SEQADV 8VEM CYS A 233 UNP A0A0K8P6T ASN 233 ENGINEERED MUTATION SEQADV 8VEM CYS A 282 UNP A0A0K8P6T SER 282 ENGINEERED MUTATION SEQADV 8VEM ALA A 291 UNP A0A0K8P6T EXPRESSION TAG SEQADV 8VEM SER A 292 UNP A0A0K8P6T EXPRESSION TAG SEQADV 8VEM HIS A 293 UNP A0A0K8P6T EXPRESSION TAG SEQADV 8VEM HIS A 294 UNP A0A0K8P6T EXPRESSION TAG SEQADV 8VEM HIS A 295 UNP A0A0K8P6T EXPRESSION TAG SEQADV 8VEM HIS A 296 UNP A0A0K8P6T EXPRESSION TAG SEQADV 8VEM HIS A 297 UNP A0A0K8P6T EXPRESSION TAG SEQADV 8VEM HIS A 298 UNP A0A0K8P6T EXPRESSION TAG SEQRES 1 A 272 MET GLY SER ASN PRO TYR ALA ARG GLY PRO ASN PRO THR SEQRES 2 A 272 ALA ALA SER LEU GLU ALA SER ALA GLY PRO PHE THR VAL SEQRES 3 A 272 ARG SER PHE THR VAL SER ARG PRO SER GLY TYR GLY ALA SEQRES 4 A 272 GLY THR VAL TYR TYR PRO THR ASN ALA GLY GLY THR VAL SEQRES 5 A 272 GLY ALA ILE ALA ILE VAL PRO GLY TYR THR ALA ARG GLN SEQRES 6 A 272 SER SER ILE LYS TRP TRP GLY PRO ARG LEU ALA SER HIS SEQRES 7 A 272 GLY PHE VAL VAL ILE THR ILE ASP THR ASN SER THR LEU SEQRES 8 A 272 ASP GLN PRO SER SER ARG SER SER GLN GLN MET ALA ALA SEQRES 9 A 272 LEU ARG GLN VAL ALA GLU LEU ASN GLY THR SER SER SER SEQRES 10 A 272 PRO ILE TYR GLY LYS VAL ASP THR ALA ARG MET GLY VAL SEQRES 11 A 272 MET GLY TRP SER MET GLY GLY GLY GLY SER LEU ILE SER SEQRES 12 A 272 ALA ALA ASN ASN PRO SER LEU LYS ALA ALA ALA PRO GLN SEQRES 13 A 272 ALA PRO TRP ALA SER SER THR ASN PHE SER SER VAL THR SEQRES 14 A 272 VAL PRO THR LEU ILE PHE ALA CYS GLU ASN ASP SER ILE SEQRES 15 A 272 ALA PRO VAL ASN SER SER ALA LEU PRO ILE TYR ASP SER SEQRES 16 A 272 MET SER ARG ASN ALA LYS GLN PHE LEU GLU ILE CYS GLY SEQRES 17 A 272 GLY SER HIS SER CYS ALA ASN SER GLY ASN SER ASN GLN SEQRES 18 A 272 ALA LEU ILE GLY LYS LYS GLY VAL ALA TRP MET LYS ARG SEQRES 19 A 272 PHE MET ASP ASN ASP THR ARG TYR SER THR PHE ALA CYS SEQRES 20 A 272 GLU ASN PRO ASN SER THR ARG VAL CYS ASP PHE ARG THR SEQRES 21 A 272 ALA ASN CYS SER ALA SER HIS HIS HIS HIS HIS HIS HET SO4 A 301 5 HETNAM SO4 SULFATE ION FORMUL 2 SO4 O4 S 2- FORMUL 3 HOH *181(H2 O) HELIX 1 AA1 THR A 39 ALA A 45 1 7 HELIX 2 AA2 ARG A 90 LYS A 95 5 6 HELIX 3 AA3 TRP A 96 SER A 103 1 8 HELIX 4 AA4 GLN A 119 GLY A 139 1 21 HELIX 5 AA5 SER A 160 ASN A 173 1 14 HELIX 6 AA6 SER A 214 MET A 222 1 9 HELIX 7 AA7 ASN A 246 ASP A 263 1 18 HELIX 8 AA8 ASP A 265 ARG A 267 5 3 HELIX 9 AA9 TYR A 268 GLU A 274 1 7 SHEET 1 AA1 6 VAL A 52 THR A 56 0 SHEET 2 AA1 6 ALA A 65 PRO A 71 -1 O VAL A 68 N PHE A 55 SHEET 3 AA1 6 VAL A 107 ASP A 112 -1 O VAL A 108 N TYR A 69 SHEET 4 AA1 6 VAL A 78 VAL A 84 1 N ILE A 83 O ILE A 109 SHEET 5 AA1 6 VAL A 149 TRP A 159 1 O ASP A 150 N VAL A 78 SHEET 6 AA1 6 ALA A 178 GLN A 182 1 O GLN A 182 N GLY A 158 SHEET 1 AA2 3 THR A 198 CYS A 203 0 SHEET 2 AA2 3 LYS A 227 ILE A 232 1 O GLN A 228 N ILE A 200 SHEET 3 AA2 3 VAL A 281 ALA A 287 -1 O ASP A 283 N GLU A 231 SSBOND 1 CYS A 203 CYS A 239 1555 1555 2.04 SSBOND 2 CYS A 233 CYS A 282 1555 1555 2.04 SSBOND 3 CYS A 273 CYS A 289 1555 1555 2.04 CRYST1 50.778 59.085 78.602 90.00 90.00 90.00 P 21 21 21 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 0.019694 0.000000 0.000000 0.00000 SCALE2 0.000000 0.016925 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012722 0.00000