HEADER TRANSCRIPTION FACTOR 29-OCT-96 2ARC TITLE ESCHERICHIA COLI REGULATORY PROTEIN ARAC COMPLEXED WITH L-ARABINOSE COMPND MOL_ID: 1; COMPND 2 MOLECULE: ARABINOSE OPERON REGULATORY PROTEIN; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: SUGAR-BINDING/DIMERIZATION DOMAIN; COMPND 5 SYNONYM: ARAC; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS TRANSCRIPTION FACTOR, CARBOHYDRATE BINDING, COILED-COIL, JELLY ROLL EXPDTA X-RAY DIFFRACTION AUTHOR S.M.SOISSON,C.WOLBERGER REVDAT 6 14-FEB-24 2ARC 1 HETSYN REVDAT 5 29-JUL-20 2ARC 1 COMPND REMARK HETNAM SITE REVDAT 4 16-FEB-10 2ARC 1 REMARK REVDAT 3 24-FEB-09 2ARC 1 VERSN REVDAT 2 01-APR-03 2ARC 1 JRNL REVDAT 1 15-MAY-97 2ARC 0 JRNL AUTH S.M.SOISSON,B.MACDOUGALL-SHACKLETON,R.SCHLEIF,C.WOLBERGER JRNL TITL STRUCTURAL BASIS FOR LIGAND-REGULATED OLIGOMERIZATION OF JRNL TITL 2 ARAC. JRNL REF SCIENCE V. 276 421 1997 JRNL REFN ISSN 0036-8075 JRNL PMID 9103202 JRNL DOI 10.1126/SCIENCE.276.5311.421 REMARK 2 REMARK 2 RESOLUTION. 1.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.1 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 12.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 1.500 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1000000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.1000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 86.9 REMARK 3 NUMBER OF REFLECTIONS : 50892 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) : 0.179 REMARK 3 FREE R VALUE : 0.232 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 5193 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.321 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 8 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.50 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.57 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 67.70 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 3696 REMARK 3 BIN R VALUE (WORKING SET) : 0.2670 REMARK 3 BIN FREE R VALUE : 0.2730 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 9.40 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 480 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.012 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2637 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 20 REMARK 3 SOLVENT ATOMS : 412 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 15.90 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 20.20 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.17220 REMARK 3 B22 (A**2) : 0.08440 REMARK 3 B33 (A**2) : -0.25660 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.29940 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.12 REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : 12.0 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) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 1.500 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 25.40 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.483 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 2.810 ; 1.870 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 3.730 ; 1.870 REMARK 3 SIDE-CHAIN BOND (A**2) : 4.990 ; 3.320 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 7.120 ; 3.560 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 : PARHCSDX.PRO REMARK 3 PARAMETER FILE 2 : PARAM3.CHO REMARK 3 PARAMETER FILE 3 : PARAM19.SOL REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : TOPH19.SOL REMARK 3 TOPOLOGY FILE 3 : ARABINOSE.TOP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2ARC COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000177775. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : SEP-95 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.25 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X4A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.689 REMARK 200 MONOCHROMATOR : SAGITALLY FOCUSED SI(111) DOUBLE REMARK 200 CRYSTAL MONOCHROMATOR REMARK 200 OPTICS : SPHERICAL RH COATED MIRROR REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : FUJI REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 58716 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.500 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.500 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 94.7 REMARK 200 DATA REDUNDANCY : 5.000 REMARK 200 R MERGE (I) : 0.04700 REMARK 200 R SYM (I) : 0.05100 REMARK 200 FOR THE DATA SET : 10.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.50 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.57 REMARK 200 COMPLETENESS FOR SHELL (%) : 90.2 REMARK 200 DATA REDUNDANCY IN SHELL : 2.90 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.29200 REMARK 200 FOR SHELL : 2.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SINGLE ISOMORPHOUS REMARK 200 REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR 3.1 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.28 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN WAS CRYSTALLIZED BY REMARK 280 MICROSEEDING FROM 18-20% PEG 8000, 100 MM TRIS-HCL, PH 7.25, 40 REMARK 280 MM MAGNESIUM ACETATE AND 0.2% (W/V) L-ARABINOSE 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 46.92000 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 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 APPLY THE FOLLOWING TO CHAINS: A, B 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 ASN A 168 REMARK 465 GLU A 169 REMARK 465 SER A 170 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 LYS A 43 CG CD CE NZ REMARK 470 GLU A 87 CG CD OE1 OE2 REMARK 470 GLU A 106 CG CD OE1 OE2 REMARK 470 GLU A 124 CG CD OE1 OE2 REMARK 470 GLU A 144 CG CD OE1 OE2 REMARK 470 ARG A 146 CG CD NE CZ NH1 NH2 REMARK 470 GLU B 87 CG CD OE1 OE2 REMARK 470 GLU B 124 CG CD OE1 OE2 REMARK 470 HIS B 129 CG ND1 CD2 CE1 NE2 REMARK 470 GLU B 144 CG CD OE1 OE2 REMARK 470 ARG B 146 CG CD NE CZ NH1 NH2 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 RES CSSEQI ATM2 DEVIATION REMARK 500 SER A 112 C ILE A 113 N -0.138 REMARK 500 REMARK 500 REMARK: NULL 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 16 -97.85 -131.10 REMARK 500 ALA A 115 -119.78 44.57 REMARK 500 ASN B 16 -83.81 -147.37 REMARK 500 ASN B 29 -0.26 73.07 REMARK 500 ALA B 115 -125.88 44.15 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2ARA RELATED DB: PDB REMARK 900 RELATED ID: 2AAC RELATED DB: PDB REMARK 900 RELATED ID: 1XJA RELATED DB: PDB REMARK 900 RELATED ID: 2K9S RELATED DB: PDB DBREF 2ARC A 7 170 UNP P0A9E0 ARAC_ECOLI 7 170 DBREF 2ARC B 7 170 UNP P0A9E0 ARAC_ECOLI 7 170 SEQRES 1 A 164 ASP PRO LEU LEU PRO GLY TYR SER PHE ASN ALA HIS LEU SEQRES 2 A 164 VAL ALA GLY LEU THR PRO ILE GLU ALA ASN GLY TYR LEU SEQRES 3 A 164 ASP PHE PHE ILE ASP ARG PRO LEU GLY MET LYS GLY TYR SEQRES 4 A 164 ILE LEU ASN LEU THR ILE ARG GLY GLN GLY VAL VAL LYS SEQRES 5 A 164 ASN GLN GLY ARG GLU PHE VAL CYS ARG PRO GLY ASP ILE SEQRES 6 A 164 LEU LEU PHE PRO PRO GLY GLU ILE HIS HIS TYR GLY ARG SEQRES 7 A 164 HIS PRO GLU ALA ARG GLU TRP TYR HIS GLN TRP VAL TYR SEQRES 8 A 164 PHE ARG PRO ARG ALA TYR TRP HIS GLU TRP LEU ASN TRP SEQRES 9 A 164 PRO SER ILE PHE ALA ASN THR GLY PHE PHE ARG PRO ASP SEQRES 10 A 164 GLU ALA HIS GLN PRO HIS PHE SER ASP LEU PHE GLY GLN SEQRES 11 A 164 ILE ILE ASN ALA GLY GLN GLY GLU GLY ARG TYR SER GLU SEQRES 12 A 164 LEU LEU ALA ILE ASN LEU LEU GLU GLN LEU LEU LEU ARG SEQRES 13 A 164 ARG MET GLU ALA ILE ASN GLU SER SEQRES 1 B 164 ASP PRO LEU LEU PRO GLY TYR SER PHE ASN ALA HIS LEU SEQRES 2 B 164 VAL ALA GLY LEU THR PRO ILE GLU ALA ASN GLY TYR LEU SEQRES 3 B 164 ASP PHE PHE ILE ASP ARG PRO LEU GLY MET LYS GLY TYR SEQRES 4 B 164 ILE LEU ASN LEU THR ILE ARG GLY GLN GLY VAL VAL LYS SEQRES 5 B 164 ASN GLN GLY ARG GLU PHE VAL CYS ARG PRO GLY ASP ILE SEQRES 6 B 164 LEU LEU PHE PRO PRO GLY GLU ILE HIS HIS TYR GLY ARG SEQRES 7 B 164 HIS PRO GLU ALA ARG GLU TRP TYR HIS GLN TRP VAL TYR SEQRES 8 B 164 PHE ARG PRO ARG ALA TYR TRP HIS GLU TRP LEU ASN TRP SEQRES 9 B 164 PRO SER ILE PHE ALA ASN THR GLY PHE PHE ARG PRO ASP SEQRES 10 B 164 GLU ALA HIS GLN PRO HIS PHE SER ASP LEU PHE GLY GLN SEQRES 11 B 164 ILE ILE ASN ALA GLY GLN GLY GLU GLY ARG TYR SER GLU SEQRES 12 B 164 LEU LEU ALA ILE ASN LEU LEU GLU GLN LEU LEU LEU ARG SEQRES 13 B 164 ARG MET GLU ALA ILE ASN GLU SER HET ARA A 171 10 HET ARA B 171 10 HETNAM ARA ALPHA-L-ARABINOPYRANOSE HETSYN ARA ALPHA-L-ARABINOSE; L-ARABINOSE; ARABINOSE FORMUL 3 ARA 2(C5 H10 O5) FORMUL 5 HOH *412(H2 O) HELIX 1 1 ALA A 102 TRP A 107 5 6 HELIX 2 2 GLU A 124 GLN A 142 1 19 HELIX 3 3 SER A 148 ALA A 166 1 19 HELIX 4 4 ALA B 102 LEU B 108 5 7 HELIX 5 5 GLU B 124 GLY B 141 1 18 HELIX 6 6 SER B 148 ILE B 167 1 20 SHEET 1 A 5 VAL A 20 GLU A 27 0 SHEET 2 A 5 GLU A 90 PHE A 98 -1 N TYR A 97 O VAL A 20 SHEET 3 A 5 TYR A 45 GLY A 53 -1 N ARG A 52 O TYR A 92 SHEET 4 A 5 ASP A 70 PHE A 74 -1 N PHE A 74 O ILE A 46 SHEET 5 A 5 THR A 117 ARG A 121 -1 N PHE A 120 O ILE A 71 SHEET 1 B 4 ILE A 36 ARG A 38 0 SHEET 2 B 4 HIS A 80 ARG A 84 -1 N TYR A 82 O ILE A 36 SHEET 3 B 4 GLN A 54 ASN A 59 -1 N VAL A 56 O GLY A 83 SHEET 4 B 4 ARG A 62 ARG A 67 -1 N CYS A 66 O GLY A 55 SHEET 1 C 5 VAL B 20 GLU B 27 0 SHEET 2 C 5 GLU B 90 PHE B 98 -1 N TYR B 97 O VAL B 20 SHEET 3 C 5 TYR B 45 GLY B 53 -1 N ARG B 52 O TYR B 92 SHEET 4 C 5 ASP B 70 PHE B 74 -1 N PHE B 74 O ILE B 46 SHEET 5 C 5 THR B 117 ARG B 121 -1 N PHE B 120 O ILE B 71 SHEET 1 D 4 ILE B 36 ARG B 38 0 SHEET 2 D 4 HIS B 80 ARG B 84 -1 N TYR B 82 O ILE B 36 SHEET 3 D 4 GLN B 54 ASN B 59 -1 N VAL B 56 O GLY B 83 SHEET 4 D 4 ARG B 62 ARG B 67 -1 N CYS B 66 O GLY B 55 CRYST1 39.750 93.840 50.330 90.00 95.62 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 0.025157 0.000000 0.002476 0.00000 SCALE2 0.000000 0.010656 0.000000 0.00000 SCALE3 0.000000 0.000000 0.019965 0.00000 MTRIX1 1 -0.259135 0.450464 -0.854360 56.41910 1 MTRIX2 1 0.508354 -0.688524 -0.517215 42.47710 1 MTRIX3 1 -0.821234 -0.568346 -0.050574 73.79010 1