HEADER HYDROLASE/DNA 21-FEB-07 2OXV TITLE STRUCTURE OF THE A138T PROMISCUOUS MUTANT OF THE ECORI RESTRICTION TITLE 2 ENDONUCLEASE BOUND TO ITS COGNATE RECOGNITION SITE. COMPND MOL_ID: 1; COMPND 2 MOLECULE: DNA (5'-D(*TP*CP*GP*CP*GP*AP*AP*TP*TP*CP*GP*CP*G)-3'); COMPND 3 CHAIN: C; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: TYPE II RESTRICTION ENZYME ECORI; COMPND 7 CHAIN: A; COMPND 8 SYNONYM: ENDONUCLEASE ECORI, R.ECORI; COMPND 9 EC: 3.1.21.4; COMPND 10 ENGINEERED: YES; COMPND 11 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: ABI3900 DNA SYNTHESIZER; SOURCE 4 MOL_ID: 2; SOURCE 5 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 6 ORGANISM_TAXID: 562; SOURCE 7 GENE: ECORIR; SOURCE 8 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 10 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 11 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 12 EXPRESSION_SYSTEM_PLASMID: PET24A KEYWDS ECORI, TYPE II RESTRICTION ENDONUCLEASE, PROTEIN-DNA INTERACTIONS, KEYWDS 2 PROMISCUOUS MUTANT, RELAXED SPECIFICITY MUTANT, HYDROLASE-DNA KEYWDS 3 COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR P.J.SAPIENZA,J.M.ROSENBERG,L.JEN-JACOBSON REVDAT 5 30-AUG-23 2OXV 1 SEQADV REVDAT 4 18-OCT-17 2OXV 1 REMARK REVDAT 3 24-FEB-09 2OXV 1 VERSN REVDAT 2 11-DEC-07 2OXV 1 JRNL REVDAT 1 23-OCT-07 2OXV 0 JRNL AUTH P.J.SAPIENZA,J.M.ROSENBERG,L.JEN-JACOBSON JRNL TITL STRUCTURAL AND THERMODYNAMIC BASIS FOR ENHANCED DNA BINDING JRNL TITL 2 BY A PROMISCUOUS MUTANT ECORI ENDONUCLEASE. JRNL REF STRUCTURE V. 15 1368 2007 JRNL REFN ISSN 0969-2126 JRNL PMID 17997963 JRNL DOI 10.1016/J.STR.2007.09.014 REMARK 2 REMARK 2 RESOLUTION. 1.95 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) : 1.95 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 12.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 91.2 REMARK 3 NUMBER OF REFLECTIONS : 25266 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) : 0.202 REMARK 3 FREE R VALUE : 0.244 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.100 REMARK 3 FREE R VALUE TEST SET COUNT : 2523 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 : 2053 REMARK 3 NUCLEIC ACID ATOMS : 263 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 136 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 40.13 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -3.68300 REMARK 3 B22 (A**2) : -3.68300 REMARK 3 B33 (A**2) : 7.36600 REMARK 3 B12 (A**2) : -4.59300 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) : 0.25 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) : 0.009 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 : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 2.551 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 3.442 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 3.536 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 4.647 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 61.19 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : DNA-RNA_REP.PARAM REMARK 3 PARAMETER FILE 3 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : DNA-RNA.TOP REMARK 3 TOPOLOGY FILE 3 : WATER.TOP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2OXV COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 04-JUN-07. REMARK 100 THE DEPOSITION ID IS D_1000041719. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 18-NOV-03 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X6A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.979 REMARK 200 MONOCHROMATOR : SI(111) CHANNEL CUT REMARK 200 MOMOCHROMATOR REMARK 200 OPTICS : SI(111) CHANNEL CUT REMARK 200 MONOCHROMATOR. TOROIDAL FOCUSING REMARK 200 MIRROR REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 210 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO, HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 27856 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.950 REMARK 200 RESOLUTION RANGE LOW (A) : 99.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 17.00 REMARK 200 R MERGE (I) : 0.07700 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 25.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.95 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.01 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 10.20 REMARK 200 R MERGE FOR SHELL (I) : 0.43600 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 4.200 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: 1CKQ REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 54.30 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.69 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: CRYOPROTECTANT SOLUTION IS 40MM BIS REMARK 280 -TRIS PROPANE, 16% V/V PEG 400, 15% V/V GLYCEROL, PH 6.5, VAPOR REMARK 280 DIFFUSION, SITTING DROP, TEMPERATURE 277.15K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 3 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z REMARK 290 3555 -X+Y,-X,Z REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z REMARK 290 6555 -X,-X+Y,-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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 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 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 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 CONSISTS OF AN ENZYME DIMER BOUND REMARK 300 TO A DNA DOUBLE HELIX. 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: C, 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 -0.500000 0.866025 0.000000 0.00000 REMARK 350 BIOMT2 2 0.866025 0.500000 0.000000 0.00000 REMARK 350 BIOMT3 2 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 1 REMARK 465 SER A 2 REMARK 465 ASN A 3 REMARK 465 LYS A 4 REMARK 465 LYS A 5 REMARK 465 GLN A 6 REMARK 465 SER A 7 REMARK 465 ASN A 8 REMARK 465 ARG A 9 REMARK 465 LEU A 10 REMARK 465 THR A 11 REMARK 465 GLU A 12 REMARK 465 GLN A 13 REMARK 465 HIS A 14 REMARK 465 LYS A 15 REMARK 465 LEU A 16 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 32 47.83 37.33 REMARK 500 LEU A 81 104.69 -166.72 REMARK 500 GLN A 115 134.13 -171.32 REMARK 500 PRO A 164 46.95 -83.81 REMARK 500 HIS A 225 -32.86 -162.03 REMARK 500 LYS A 226 58.01 -145.67 REMARK 500 THR A 275 -72.93 -76.12 REMARK 500 SER A 276 106.95 -58.53 REMARK 500 REMARK 500 REMARK: NULL DBREF 2OXV C 1 13 PDB 2OXV 2OXV 1 13 DBREF 2OXV A 1 277 UNP P00642 T2E1_ECOLI 1 277 SEQADV 2OXV THR A 138 UNP P00642 ALA 138 CONFLICT SEQRES 1 C 13 DT DC DG DC DG DA DA DT DT DC DG DC DG SEQRES 1 A 277 MET SER ASN LYS LYS GLN SER ASN ARG LEU THR GLU GLN SEQRES 2 A 277 HIS LYS LEU SER GLN GLY VAL ILE GLY ILE PHE GLY ASP SEQRES 3 A 277 TYR ALA LYS ALA HIS ASP LEU ALA VAL GLY GLU VAL SER SEQRES 4 A 277 LYS LEU VAL LYS LYS ALA LEU SER ASN GLU TYR PRO GLN SEQRES 5 A 277 LEU SER PHE ARG TYR ARG ASP SER ILE LYS LYS THR GLU SEQRES 6 A 277 ILE ASN GLU ALA LEU LYS LYS ILE ASP PRO ASP LEU GLY SEQRES 7 A 277 GLY THR LEU PHE VAL SER ASN SER SER ILE LYS PRO ASP SEQRES 8 A 277 GLY GLY ILE VAL GLU VAL LYS ASP ASP TYR GLY GLU TRP SEQRES 9 A 277 ARG VAL VAL LEU VAL ALA GLU ALA LYS HIS GLN GLY LYS SEQRES 10 A 277 ASP ILE ILE ASN ILE ARG ASN GLY LEU LEU VAL GLY LYS SEQRES 11 A 277 ARG GLY ASP GLN ASP LEU MET THR ALA GLY ASN ALA ILE SEQRES 12 A 277 GLU ARG SER HIS LYS ASN ILE SER GLU ILE ALA ASN PHE SEQRES 13 A 277 MET LEU SER GLU SER HIS PHE PRO TYR VAL LEU PHE LEU SEQRES 14 A 277 GLU GLY SER ASN PHE LEU THR GLU ASN ILE SER ILE THR SEQRES 15 A 277 ARG PRO ASP GLY ARG VAL VAL ASN LEU GLU TYR ASN SER SEQRES 16 A 277 GLY ILE LEU ASN ARG LEU ASP ARG LEU THR ALA ALA ASN SEQRES 17 A 277 TYR GLY MET PRO ILE ASN SER ASN LEU CYS ILE ASN LYS SEQRES 18 A 277 PHE VAL ASN HIS LYS ASP LYS SER ILE MET LEU GLN ALA SEQRES 19 A 277 ALA SER ILE TYR THR GLN GLY ASP GLY ARG GLU TRP ASP SEQRES 20 A 277 SER LYS ILE MET PHE GLU ILE MET PHE ASP ILE SER THR SEQRES 21 A 277 THR SER LEU ARG VAL LEU GLY ARG ASP LEU PHE GLU GLN SEQRES 22 A 277 LEU THR SER LYS FORMUL 3 HOH *136(H2 O) HELIX 1 1 GLY A 19 HIS A 31 1 13 HELIX 2 2 ALA A 34 TYR A 50 1 17 HELIX 3 3 LYS A 63 ASP A 74 1 12 HELIX 4 4 LYS A 117 ASN A 124 1 8 HELIX 5 5 ASN A 141 GLU A 144 5 4 HELIX 6 6 ARG A 145 MET A 157 1 13 HELIX 7 7 ARG A 200 TYR A 209 5 10 HELIX 8 8 ASP A 247 LEU A 266 1 20 HELIX 9 9 GLY A 267 ASP A 269 5 3 HELIX 10 10 LEU A 270 SER A 276 1 7 SHEET 1 A 5 PHE A 55 ARG A 58 0 SHEET 2 A 5 ILE A 94 LYS A 98 -1 O ILE A 94 N ARG A 58 SHEET 3 A 5 TRP A 104 HIS A 114 -1 O VAL A 107 N VAL A 95 SHEET 4 A 5 TYR A 165 GLU A 170 1 O PHE A 168 N GLU A 111 SHEET 5 A 5 SER A 236 THR A 239 1 O TYR A 238 N LEU A 167 SHEET 1 B 2 ILE A 61 LYS A 62 0 SHEET 2 B 2 SER A 87 ILE A 88 -1 O ILE A 88 N ILE A 61 SHEET 1 C 2 ILE A 179 THR A 182 0 SHEET 2 C 2 VAL A 188 LEU A 191 -1 O VAL A 189 N ILE A 181 SHEET 1 D 2 LYS A 221 VAL A 223 0 SHEET 2 D 2 ILE A 230 LEU A 232 -1 O LEU A 232 N LYS A 221 CRYST1 116.473 116.473 48.476 90.00 90.00 120.00 P 3 2 1 6 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 0.008586 0.004957 0.000000 0.00000 SCALE2 0.000000 0.009914 0.000000 0.00000 SCALE3 0.000000 0.000000 0.020629 0.00000