HEADER TRANSFERASE 07-MAR-07 2P2W TITLE CRYSTAL STRUCTURE OF CITRATE SYNTHASE FROM THERMOTOGA MARITIMA MSB8 COMPND MOL_ID: 1; COMPND 2 MOLECULE: CITRATE SYNTHASE; COMPND 3 CHAIN: A; COMPND 4 EC: 2.3.3.-; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: THERMOTOGA MARITIMA; SOURCE 3 ORGANISM_TAXID: 2336; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: BL21-CODONPLUS(DE3)-RIL; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PET-21A KEYWDS TRANSFERASE, STRUCTURAL GENOMICS, NPPSFA, NATIONAL PROJECT ON PROTEIN KEYWDS 2 STRUCTURAL AND FUNCTIONAL ANALYSES, RIKEN STRUCTURAL KEYWDS 3 GENOMICS/PROTEOMICS INITIATIVE, RSGI EXPDTA X-RAY DIFFRACTION AUTHOR M.SUGAHARA,N.KUNISHIMA,RIKEN STRUCTURAL GENOMICS/PROTEOMICS AUTHOR 2 INITIATIVE (RSGI) REVDAT 4 25-OCT-23 2P2W 1 REMARK REVDAT 3 13-JUL-11 2P2W 1 VERSN REVDAT 2 24-FEB-09 2P2W 1 VERSN REVDAT 1 11-SEP-07 2P2W 0 JRNL AUTH M.SUGAHARA,N.KUNISHIMA JRNL TITL CRYSTAL STRUCTURE OF CITRATE SYNTHASE FROM THERMOTOGA JRNL TITL 2 MARITIMA MSB8 JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 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) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.84 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) (%) : 99.4 REMARK 3 NUMBER OF REFLECTIONS : 36987 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 SET) : 0.175 REMARK 3 FREE R VALUE : 0.187 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 1798 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) : 1.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.97 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 95.60 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.2530 REMARK 3 BIN FREE R VALUE : 0.2660 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 167 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.021 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2924 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 26 REMARK 3 SOLVENT ATOMS : 353 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 25.80 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 26.20 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 4.93000 REMARK 3 B22 (A**2) : 1.26000 REMARK 3 B33 (A**2) : -6.18000 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) : 0.18 REMARK 3 ESD FROM SIGMAA (A) : 0.11 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.21 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.13 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : ANISOTROP 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 2P2W COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 12-APR-07. REMARK 100 THE DEPOSITION ID IS D_1000041897. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 20-OCT-06 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.0 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 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS V REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 37016 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 7.600 REMARK 200 R MERGE (I) : 0.07200 REMARK 200 R SYM (I) : 0.06900 REMARK 200 FOR THE DATA SET : 10.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.97 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.9 REMARK 200 DATA REDUNDANCY IN SHELL : 7.40 REMARK 200 R MERGE FOR SHELL (I) : 0.39200 REMARK 200 R SYM FOR SHELL (I) : 0.36400 REMARK 200 FOR SHELL : 3.900 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: 1AJ8 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 55.27 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.75 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20% PEG 3350, 0.2M DI-AMMONIUM REMARK 280 HYDROGEN CITRATE, PH 5.0, OIL MICROBATCH, TEMPERATURE 291K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 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 38.37450 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 38.37450 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 43.66850 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 69.54650 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 43.66850 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 69.54650 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 38.37450 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 43.66850 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 69.54650 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 38.37450 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 43.66850 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 69.54650 REMARK 290 SMTRY3 8 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 DIMER IN THE ASYMMETRIC. 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,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 10520 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 26970 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -37.0 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 0.00000 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 38.37450 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 GLY A 102 REMARK 465 SER A 103 REMARK 465 MET A 104 REMARK 465 ASP A 105 REMARK 465 GLY A 106 REMARK 465 ASN A 107 REMARK 465 ASP A 108 REMARK 465 ASN A 366 REMARK 465 GLY A 367 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 GLN A 3 58.40 -118.51 REMARK 500 SER A 40 -167.27 -101.02 REMARK 500 ILE A 100 77.61 -101.32 REMARK 500 GLN A 176 67.07 -162.57 REMARK 500 ASP A 177 -146.65 56.66 REMARK 500 HIS A 211 -126.34 -133.34 REMARK 500 THR A 255 -152.73 -155.54 REMARK 500 LYS A 293 13.46 55.86 REMARK 500 PRO A 345 -156.03 -84.17 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: TMA001000290.1 RELATED DB: TARGETDB DBREF 2P2W A 1 367 UNP Q9WYC6 Q9WYC6_THEMA 1 367 SEQRES 1 A 367 MET ILE GLN LYS GLY LEU GLU GLY VAL LYS ILE CYS GLU SEQRES 2 A 367 SER SER ILE CYS TYR LEU ASP GLY ILE ASN GLY ARG LEU SEQRES 3 A 367 TYR TYR ARG GLY ILE PRO VAL GLU GLU LEU ALA GLU LYS SEQRES 4 A 367 SER THR PHE GLU GLU THR ALA TYR PHE LEU TRP TYR GLY SEQRES 5 A 367 LYS LEU PRO THR LYS SER GLU LEU GLU GLU PHE LYS ARG SEQRES 6 A 367 LYS MET ALA ASP TYR ARG GLU LEU PRO ALA GLU ALA LEU SEQRES 7 A 367 GLY ILE LEU TYR HIS LEU PRO LYS ASN LEU HIS TYR ILE SEQRES 8 A 367 ASP VAL LEU LYS ILE PHE LEU SER ILE HIS GLY SER MET SEQRES 9 A 367 ASP GLY ASN ASP GLU ASP LEU ARG GLU LYS ALA ILE ARG SEQRES 10 A 367 VAL ALA SER VAL PHE PRO THR ILE LEU ALA TYR TYR TYR SEQRES 11 A 367 ARG TYR SER LYS GLY LYS GLU LEU ILE ARG PRO ARG LYS SEQRES 12 A 367 ASP LEU SER HIS VAL GLU ASN PHE TYR TYR MET MET PHE SEQRES 13 A 367 GLY GLU ARG ASN GLU LYS ILE ARG LEU LEU GLU SER ALA SEQRES 14 A 367 PHE ILE LEU LEU MET GLU GLN ASP ILE ASN ALA SER THR SEQRES 15 A 367 PHE ALA ALA LEU VAL ILE ALA SER THR LEU SER ASP LEU SEQRES 16 A 367 TYR SER CYS ILE VAL GLY ALA LEU GLY ALA LEU LYS GLY SEQRES 17 A 367 PRO LEU HIS GLY GLY ALA SER GLU LYS VAL PRO PRO MET SEQRES 18 A 367 LEU GLU GLU ILE GLY SER GLU ASP ARG VAL GLU GLU PHE SEQRES 19 A 367 VAL GLN LYS CYS LEU LYS GLU LYS ARG LYS ILE MET GLY SEQRES 20 A 367 PHE GLY HIS ARG VAL TYR LYS THR TYR ASP PRO ARG ALA SEQRES 21 A 367 VAL PHE LEU LYS ARG VAL LEU GLN GLU HIS PHE PRO ASP SEQRES 22 A 367 SER LYS LEU PHE ARG ILE ALA SER LYS LEU GLU GLU TYR SEQRES 23 A 367 ILE VAL SER ASN LYS ILE LYS ASN ILE TYR PRO ASN VAL SEQRES 24 A 367 ASP LEU TYR SER SER VAL LEU PHE GLU GLU LEU GLY PHE SEQRES 25 A 367 PRO ARG ASN MET PHE THR ALA LEU PHE ALA THR ALA ARG SEQRES 26 A 367 VAL VAL GLY TRP THR ALA HIS VAL ILE GLU TYR VAL SER SEQRES 27 A 367 ASP ASN LYS LEU ILE ARG PRO THR SER GLU TYR VAL GLY SEQRES 28 A 367 PRO MET ASP VAL GLU TYR ILE PRO ILE GLU ARG ARG ASP SEQRES 29 A 367 GLU ASN GLY HET FLC A 401 13 HET FLC A 402 13 HETNAM FLC CITRATE ANION FORMUL 2 FLC 2(C6 H5 O7 3-) FORMUL 4 HOH *353(H2 O) HELIX 1 1 VAL A 33 SER A 40 1 8 HELIX 2 2 THR A 41 GLY A 52 1 12 HELIX 3 3 THR A 56 TYR A 70 1 15 HELIX 4 4 PRO A 74 TYR A 82 1 9 HELIX 5 5 HIS A 89 SER A 99 1 11 HELIX 6 6 GLU A 109 LYS A 134 1 26 HELIX 7 7 SER A 146 GLY A 157 1 12 HELIX 8 8 LYS A 162 MET A 174 1 13 HELIX 9 9 ASN A 179 SER A 190 1 12 HELIX 10 10 ASP A 194 GLY A 208 1 15 HELIX 11 11 GLY A 213 GLY A 226 1 14 HELIX 12 12 SER A 227 ASP A 229 5 3 HELIX 13 13 ARG A 230 LYS A 242 1 13 HELIX 14 14 ASP A 257 PHE A 271 1 15 HELIX 15 15 SER A 274 ASN A 290 1 17 HELIX 16 16 LYS A 291 ILE A 295 5 5 HELIX 17 17 ASN A 298 LEU A 310 1 13 HELIX 18 18 PRO A 313 ASN A 315 5 3 HELIX 19 19 MET A 316 SER A 338 1 23 HELIX 20 20 PRO A 359 ARG A 363 5 5 SHEET 1 A 3 CYS A 17 ASP A 20 0 SHEET 2 A 3 ARG A 25 TYR A 28 -1 O ARG A 25 N ASP A 20 SHEET 3 A 3 ILE A 31 PRO A 32 -1 O ILE A 31 N TYR A 28 CRYST1 87.337 139.093 76.749 90.00 90.00 90.00 C 2 2 21 8 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 0.011450 0.000000 0.000000 0.00000 SCALE2 0.000000 0.007189 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013029 0.00000