HEADER HYDROLASE 22-DEC-11 3VN5 TITLE CRYSTAL STRUCTURE OF AQUIFEX AEOLICUS RNASE H3 COMPND MOL_ID: 1; COMPND 2 MOLECULE: RIBONUCLEASE HIII; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: RNASE HIII; COMPND 5 EC: 3.1.26.4; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: AQUIFEX AEOLICUS; SOURCE 3 ORGANISM_TAXID: 224324; SOURCE 4 STRAIN: VF5; SOURCE 5 GENE: AQ_1768, RNHC; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: MIC 2067 (DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET25B KEYWDS RNASE H3, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR N.JONGRUJA,D.J.YOU,K.EIKO,C.ANGKAWIDJAJA,Y.KOGA,K.TAKANO,S.KANAYA REVDAT 3 08-NOV-23 3VN5 1 SSBOND REVDAT 2 22-NOV-17 3VN5 1 REMARK REVDAT 1 26-DEC-12 3VN5 0 JRNL AUTH N.JONGRUJA,D.J.YOU,C.ANGKAWIDJAJA,E.KANAYA,Y.KOGA,S.KANAYA JRNL TITL STRUCTURE AND CHARACTERIZATION OF RNASE H3 FROM AQUIFEX JRNL TITL 2 AEOLICUS JRNL REF FEBS J. V. 279 2737 2012 JRNL REFN ISSN 1742-464X JRNL PMID 22686566 JRNL DOI 10.1111/J.1742-4658.2012.08657.X REMARK 2 REMARK 2 RESOLUTION. 1.98 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC REFMAC_5.5.0109 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) : 1.98 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 48.87 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 3 NUMBER OF REFLECTIONS : 28119 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) : 0.206 REMARK 3 R VALUE (WORKING SET) : 0.204 REMARK 3 FREE R VALUE : 0.238 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 1504 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) : 1.98 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.03 REMARK 3 REFLECTION IN BIN (WORKING SET) : 2048 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 98.67 REMARK 3 BIN R VALUE (WORKING SET) : 0.2220 REMARK 3 BIN FREE R VALUE SET COUNT : 96 REMARK 3 BIN FREE R VALUE : 0.2210 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2063 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 103 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 25.68 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.49000 REMARK 3 B22 (A**2) : 0.49000 REMARK 3 B33 (A**2) : -0.73000 REMARK 3 B12 (A**2) : 0.24000 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): 0.138 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.134 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.080 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.757 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.940 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.915 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2104 ; 0.009 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2828 ; 1.049 ; 2.001 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 254 ; 6.694 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 90 ;36.063 ;24.444 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 421 ;17.136 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 12 ;23.253 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 312 ; 0.092 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1526 ; 0.019 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL 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): 1273 ; 1.925 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 2061 ; 3.212 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 831 ; 5.109 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 767 ; 8.259 ; 4.500 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 : 1.40 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 REMARK 4 REMARK 4 3VN5 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 12-JAN-12. REMARK 100 THE DEPOSITION ID IS D_1000095253. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 10-OCT-11 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 4.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SPRING-8 REMARK 200 BEAMLINE : BL44XU REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9 REMARK 200 MONOCHROMATOR : HORIZONTAL FOCUSING MIRROR REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : BRUKER SMART 6500 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO, HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 29839 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.980 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 21.30 REMARK 200 R MERGE (I) : 0.10400 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 6.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.98 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.01 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 21.40 REMARK 200 R MERGE FOR SHELL (I) : 0.28900 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: MOLREP, DM 6.1 REMARK 200 STARTING MODEL: PDB ENTRY 2D0A REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 64.11 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.43 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M CITRATE BUFFER (PH 4.0), 0.2M REMARK 280 SODIUM CITRATE, 20% W/V POLYETHYLENE GLYCOL (PEG) 3350, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 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+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 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 97.73900 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 195.47800 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 195.47800 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 97.73900 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 1 REMARK 465 VAL A 257 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY REMARK 500 REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 500 I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI ANGLE REMARK 500 GLN A 53 -10.05 REMARK 500 REMARK 500 REMARK: NULL DBREF 3VN5 A 1 257 UNP O67644 RNH3_AQUAE 1 257 SEQRES 1 A 257 MET PRO SER LEU LYS ILE SER PRO SER GLU ALA GLU LYS SEQRES 2 A 257 ILE GLN ASN TYR LEU VAL SER SER GLY PHE ARG LYS ILE SEQRES 3 A 257 ASN ALA PRO TYR THR LEU TRP ALA LEU GLU GLY ASN GLY SEQRES 4 A 257 VAL LYS VAL TYR TYR TYR LYS THR GLY SER LEU LEU ILE SEQRES 5 A 257 GLN GLY LYS ASN SER GLU LYS VAL LEU LYS GLU VAL LEU SEQRES 6 A 257 ASN LEU LEU GLU LYS LYS LYS LEU PRO GLY CYS ASP GLU SEQRES 7 A 257 SER GLY LYS GLY ASP ILE PHE GLY SER LEU VAL LEU CYS SEQRES 8 A 257 CYS VAL CYS ILE PRO GLU GLU ASN TYR LEU LYS VAL SER SEQRES 9 A 257 SER LEU ASN PRO ARG ASP THR LYS ARG LEU SER ASP LYS SEQRES 10 A 257 ARG VAL GLU ARG LEU TYR LEU ALA LEU LYS PRO LEU VAL SEQRES 11 A 257 LYS ALA TYR CYS TYR GLU ILE LYS PRO GLU GLU TYR ASN SEQRES 12 A 257 LYS LEU TYR ARG LYS PHE ARG ASN LEU ASN LYS MET MET SEQRES 13 A 257 THR HIS PHE TYR LYS LEU LEU ILE GLU ARG VAL LYS GLU SEQRES 14 A 257 GLU CYS GLY VAL SER GLU VAL VAL VAL ASP LYS TYR GLN SEQRES 15 A 257 PRO SER ASN PRO PHE GLY GLU ASP VAL ILE PHE GLU THR SEQRES 16 A 257 GLU ALA GLU ARG ASN LEU ALA VAL ALA VAL ALA SER ILE SEQRES 17 A 257 PHE ALA ARG TYR LYS PHE LEU GLN SER LEU LYS GLU VAL SEQRES 18 A 257 GLU ARG GLU LEU GLY ILE LYS ILE PRO LYS GLY THR SER SEQRES 19 A 257 LYS GLU VAL LYS GLU LEU ALA LYS SER LEU LYS ASN PRO SEQRES 20 A 257 GLU ARG PHE ILE LYS LEU ASN PHE ASN VAL FORMUL 2 HOH *103(H2 O) HELIX 1 1 SER A 7 SER A 21 1 15 HELIX 2 2 ASN A 56 ASN A 66 1 11 HELIX 3 3 LEU A 67 LEU A 68 5 2 HELIX 4 4 GLU A 69 LEU A 73 5 5 HELIX 5 5 PRO A 96 GLU A 98 5 3 HELIX 6 6 ASN A 99 LEU A 106 1 8 HELIX 7 7 SER A 115 LYS A 127 1 13 HELIX 8 8 PRO A 128 VAL A 130 5 3 HELIX 9 9 LYS A 138 ARG A 150 1 13 HELIX 10 10 ASN A 151 GLY A 172 1 22 HELIX 11 11 ASN A 200 GLY A 226 1 27 HELIX 12 12 SER A 234 SER A 243 1 10 HELIX 13 13 ASN A 246 PHE A 250 5 5 HELIX 14 14 LYS A 252 ASN A 256 5 5 SHEET 1 A 5 SER A 3 LYS A 5 0 SHEET 2 A 5 SER A 49 GLN A 53 -1 O LEU A 50 N LEU A 4 SHEET 3 A 5 VAL A 40 TYR A 44 -1 N LYS A 41 O GLN A 53 SHEET 4 A 5 TRP A 33 GLY A 37 -1 N LEU A 35 O VAL A 42 SHEET 5 A 5 ARG A 24 LYS A 25 -1 N ARG A 24 O GLU A 36 SHEET 1 B 5 LYS A 131 ILE A 137 0 SHEET 2 B 5 LEU A 88 CYS A 94 -1 N LEU A 88 O ILE A 137 SHEET 3 B 5 GLY A 75 SER A 79 -1 N SER A 79 O VAL A 89 SHEET 4 B 5 VAL A 176 VAL A 178 1 O VAL A 177 N CYS A 76 SHEET 5 B 5 VAL A 191 PHE A 193 1 O ILE A 192 N VAL A 176 SSBOND 1 CYS A 76 CYS A 92 1555 1555 2.06 SSBOND 2 CYS A 91 CYS A 134 1555 1555 2.07 SSBOND 3 CYS A 94 CYS A 171 1555 1555 2.04 CRYST1 48.943 48.943 293.217 90.00 90.00 120.00 P 31 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 0.020432 0.011796 0.000000 0.00000 SCALE2 0.000000 0.023593 0.000000 0.00000 SCALE3 0.000000 0.000000 0.003410 0.00000