HEADER HYDROLASE 03-SEP-20 7CY0 TITLE CRYSTAL STRUCTURE OF S185H MUTANT PET HYDROLASE FROM IDEONELLA TITLE 2 SAKAIENSIS COMPND MOL_ID: 1; COMPND 2 MOLECULE: POLY(ETHYLENE TEREPHTHALATE) HYDROLASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: 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: IDEONELLA SAKAIENSIS (STRAIN NBRC 110686 / SOURCE 3 TISTR 2288 / 201-F6); SOURCE 4 ORGANISM_TAXID: 1547922; SOURCE 5 STRAIN: NBRC 110686 / TISTR 2288 / 201-F6; SOURCE 6 GENE: ISF6_4831; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 9 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 10 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 11 EXPRESSION_SYSTEM_PLASMID: PET32A KEYWDS POLY(ETHYLENE TEREPHTHALATE) HYDROLASE, SUBSTRATE BINDING, INHIBITOR, KEYWDS 2 HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR X.HAN,W.D.LIU,Y.Y.ZHENG,C.C.CHEN,R.T.GUO REVDAT 3 29-NOV-23 7CY0 1 REMARK REVDAT 2 02-JUN-21 7CY0 1 TITLE JRNL REVDAT 1 26-MAY-21 7CY0 0 JRNL AUTH C.C.CHE,X.HAN,X.LI,P.JIANG,D.NIU,L.MA,W.LIU,S.LI,Y.QU,H.HU, JRNL AUTH 2 J.MIN,Y.YANG,L.ZHANG,W.ZENG,J.W.HUANG,L.DAI,R.T.GUO JRNL TITL GENERAL FEATURES TO ENHANCE ENZYMATIC ACTIVITY OF JRNL TITL 2 POLY(ETHYLENE TEREPHTHALATE) HYDROLYSIS. JRNL REF NAT CATAL V. 4 425 2021 JRNL REFN ESSN 2520-1158 JRNL DOI 10.1038/S41929-021-00616-Y REMARK 2 REMARK 2 RESOLUTION. 1.32 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0266 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.32 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 24.71 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 96.7 REMARK 3 NUMBER OF REFLECTIONS : 48671 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) : 0.145 REMARK 3 R VALUE (WORKING SET) : 0.144 REMARK 3 FREE R VALUE : 0.166 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 2481 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.32 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.36 REMARK 3 REFLECTION IN BIN (WORKING SET) : 3409 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 94.09 REMARK 3 BIN R VALUE (WORKING SET) : 0.2160 REMARK 3 BIN FREE R VALUE SET COUNT : 208 REMARK 3 BIN FREE R VALUE : 0.2550 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1915 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 12 REMARK 3 SOLVENT ATOMS : 330 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 13.77 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.52000 REMARK 3 B22 (A**2) : -0.61000 REMARK 3 B33 (A**2) : 1.13000 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.047 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.049 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.029 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 0.685 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.977 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.971 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1984 ; 0.010 ; 0.013 REMARK 3 BOND LENGTHS OTHERS (A): 1792 ; 0.000 ; 0.017 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2707 ; 1.495 ; 1.641 REMARK 3 BOND ANGLES OTHERS (DEGREES): 4129 ; 1.539 ; 1.572 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 266 ; 6.828 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 89 ;31.495 ;21.798 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 285 ;10.390 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 12 ;15.846 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 270 ; 0.086 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2359 ; 0.016 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 473 ; 0.007 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS U VALUES : REFINED INDIVIDUALLY REMARK 4 REMARK 4 7CY0 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 03-SEP-20. REMARK 100 THE DEPOSITION ID IS D_1300018376. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 29-OCT-19 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 : NSRRC REMARK 200 BEAMLINE : BL15A1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : RAYONIX MX-300 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 51200 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.320 REMARK 200 RESOLUTION RANGE LOW (A) : 25.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.7 REMARK 200 DATA REDUNDANCY : 7.000 REMARK 200 R MERGE (I) : 0.04500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 14.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.32 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.37 REMARK 200 COMPLETENESS FOR SHELL (%) : 95.5 REMARK 200 DATA REDUNDANCY IN SHELL : 7.00 REMARK 200 R MERGE FOR SHELL (I) : 0.43800 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: 5XG0 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 39.63 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.04 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: POLYETHYLENE GLYCOL 6000, GLYCEROL, REMARK 280 MES, PH 6.0, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 298K 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 25.46250 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 42.14350 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 25.90300 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 42.14350 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 25.46250 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 25.90300 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 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 44 38.37 -149.27 REMARK 500 THR A 59 -4.15 74.12 REMARK 500 ALA A 131 -118.19 65.37 REMARK 500 ALA A 180 67.20 -118.44 REMARK 500 HIS A 185 -84.07 -122.64 REMARK 500 REMARK 500 REMARK: NULL DBREF1 7CY0 A 1 261 UNP PETH_IDESA DBREF2 7CY0 A A0A0K8P6T7 30 290 SEQADV 7CY0 GLY A 103 UNP A0A0K8P6T ARG 132 ENGINEERED MUTATION SEQADV 7CY0 ALA A 131 UNP A0A0K8P6T SER 160 ENGINEERED MUTATION SEQADV 7CY0 HIS A 185 UNP A0A0K8P6T SER 214 ENGINEERED MUTATION SEQRES 1 A 261 ASN PRO TYR ALA ARG GLY PRO ASN PRO THR ALA ALA SER SEQRES 2 A 261 LEU GLU ALA SER ALA GLY PRO PHE THR VAL ARG SER PHE SEQRES 3 A 261 THR VAL SER ARG PRO SER GLY TYR GLY ALA GLY THR VAL SEQRES 4 A 261 TYR TYR PRO THR ASN ALA GLY GLY THR VAL GLY ALA ILE SEQRES 5 A 261 ALA ILE VAL PRO GLY TYR THR ALA ARG GLN SER SER ILE SEQRES 6 A 261 LYS TRP TRP GLY PRO ARG LEU ALA SER HIS GLY PHE VAL SEQRES 7 A 261 VAL ILE THR ILE ASP THR ASN SER THR LEU ASP GLN PRO SEQRES 8 A 261 SER SER ARG SER SER GLN GLN MET ALA ALA LEU GLY GLN SEQRES 9 A 261 VAL ALA SER LEU ASN GLY THR SER SER SER PRO ILE TYR SEQRES 10 A 261 GLY LYS VAL ASP THR ALA ARG MET GLY VAL MET GLY TRP SEQRES 11 A 261 ALA MET GLY GLY GLY GLY SER LEU ILE SER ALA ALA ASN SEQRES 12 A 261 ASN PRO SER LEU LYS ALA ALA ALA PRO GLN ALA PRO TRP SEQRES 13 A 261 ASP SER SER THR ASN PHE SER SER VAL THR VAL PRO THR SEQRES 14 A 261 LEU ILE PHE ALA CYS GLU ASN ASP SER ILE ALA PRO VAL SEQRES 15 A 261 ASN SER HIS ALA LEU PRO ILE TYR ASP SER MET SER ARG SEQRES 16 A 261 ASN ALA LYS GLN PHE LEU GLU ILE ASN GLY GLY SER HIS SEQRES 17 A 261 SER CYS ALA ASN SER GLY ASN SER ASN GLN ALA LEU ILE SEQRES 18 A 261 GLY LYS LYS GLY VAL ALA TRP MET LYS ARG PHE MET ASP SEQRES 19 A 261 ASN ASP THR ARG TYR SER THR PHE ALA CYS GLU ASN PRO SEQRES 20 A 261 ASN SER THR ARG VAL SER ASP PHE ARG THR ALA ASN CYS SEQRES 21 A 261 SER HET ACY A 301 4 HET ACY A 302 4 HET ACY A 303 4 HETNAM ACY ACETIC ACID FORMUL 2 ACY 3(C2 H4 O2) FORMUL 5 HOH *330(H2 O) HELIX 1 AA1 THR A 10 ALA A 16 1 7 HELIX 2 AA2 ARG A 61 LYS A 66 5 6 HELIX 3 AA3 TRP A 67 SER A 74 1 8 HELIX 4 AA4 GLN A 90 GLY A 110 1 21 HELIX 5 AA5 ALA A 131 ASN A 144 1 14 HELIX 6 AA6 HIS A 185 MET A 193 1 9 HELIX 7 AA7 ASN A 217 ASP A 234 1 18 HELIX 8 AA8 ASP A 236 ARG A 238 5 3 HELIX 9 AA9 TYR A 239 GLU A 245 1 7 SHEET 1 AA1 6 VAL A 23 THR A 27 0 SHEET 2 AA1 6 ALA A 36 PRO A 42 -1 O VAL A 39 N PHE A 26 SHEET 3 AA1 6 VAL A 78 ASP A 83 -1 O VAL A 79 N TYR A 40 SHEET 4 AA1 6 VAL A 49 VAL A 55 1 N ILE A 54 O ILE A 80 SHEET 5 AA1 6 VAL A 120 GLY A 129 1 O ASP A 121 N VAL A 49 SHEET 6 AA1 6 ALA A 149 ALA A 150 1 O ALA A 149 N VAL A 127 SHEET 1 AA2 3 THR A 169 CYS A 174 0 SHEET 2 AA2 3 LYS A 198 ILE A 203 1 O GLN A 199 N ILE A 171 SHEET 3 AA2 3 VAL A 252 ALA A 258 -1 O ASP A 254 N GLU A 202 SSBOND 1 CYS A 174 CYS A 210 1555 1555 2.05 SSBOND 2 CYS A 244 CYS A 260 1555 1555 2.09 CRYST1 50.925 51.806 84.287 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 0.019637 0.000000 0.000000 0.00000 SCALE2 0.000000 0.019303 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011864 0.00000