HEADER HYDROLASE 04-MAY-09 3HBE TITLE CLASS IV CHITINASE STRUCTURE FROM PICEA ABIES AT 1.55A COMPND MOL_ID: 1; COMPND 2 MOLECULE: CLASS IV CHITINASE CHIA4-PA2; COMPND 3 CHAIN: X; COMPND 4 FRAGMENT: CATALYTIC MODULE; COMPND 5 EC: 3.2.1.14; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PICEA ABIES; SOURCE 3 ORGANISM_COMMON: NORWAY SPRUCE; SOURCE 4 ORGANISM_TAXID: 3329; SOURCE 5 EXPRESSION_SYSTEM: PICHIA PASTORIS; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 4922; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PPIC9K KEYWDS ENDOCHITINASE, CHITINASE, CLASS IV, FAMILY 19, CONFORMATIONAL KEYWDS 2 CHANGES, CHITIN-BINDING, GLYCOSIDASE, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR W.UBHAYASEKERA,S.L.MOWBRAY REVDAT 3 06-SEP-23 3HBE 1 REMARK REVDAT 2 01-SEP-09 3HBE 1 JRNL REVDAT 1 11-AUG-09 3HBE 0 JRNL AUTH W.UBHAYASEKERA,R.RAWAT,S.W.HO,M.WIWEGER,S.VON ARNOLD, JRNL AUTH 2 M.L.CHYE,S.L.MOWBRAY JRNL TITL THE FIRST CRYSTAL STRUCTURES OF A FAMILY 19 CLASS IV JRNL TITL 2 CHITINASE: THE ENZYME FROM NORWAY SPRUCE. JRNL REF PLANT MOL.BIOL. V. 71 277 2009 JRNL REFN ISSN 0167-4412 JRNL PMID 19629717 JRNL DOI 10.1007/S11103-009-9523-9 REMARK 2 REMARK 2 RESOLUTION. 1.55 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0019 RIGIDBODY REFINEMENT REMARK 3 AUTHORS : NULL REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.55 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 97.1 REMARK 3 NUMBER OF REFLECTIONS : 22318 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) : 0.164 REMARK 3 R VALUE (WORKING SET) : 0.163 REMARK 3 FREE R VALUE : 0.194 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 1202 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) : 1.55 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.59 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1465 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 86.78 REMARK 3 BIN R VALUE (WORKING SET) : 0.1920 REMARK 3 BIN FREE R VALUE SET COUNT : 78 REMARK 3 BIN FREE R VALUE : 0.2380 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1511 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 11 REMARK 3 SOLVENT ATOMS : 226 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 14.49 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.53000 REMARK 3 B22 (A**2) : -0.32000 REMARK 3 B33 (A**2) : -0.21000 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): 0.090 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.088 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.050 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.347 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.964 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.949 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1628 ; 0.009 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2215 ; 1.045 ; 1.920 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 224 ; 4.298 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 70 ;34.844 ;25.000 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 251 ;11.903 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 3 ; 3.297 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 227 ; 0.069 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1277 ; 0.005 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 830 ; 0.204 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 1153 ; 0.306 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 165 ; 0.114 ; 0.200 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): 49 ; 0.172 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 29 ; 0.146 ; 0.200 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): 1055 ; 0.717 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1656 ; 1.144 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 660 ; 1.909 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 547 ; 2.940 ; 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 : 1.20 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 REMARK 4 REMARK 4 3HBE COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 05-MAY-09. REMARK 100 THE DEPOSITION ID IS D_1000052927. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 19-MAR-06 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID14-4 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9395 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 23744 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.550 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.4 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.08800 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 16.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.55 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.63 REMARK 200 COMPLETENESS FOR SHELL (%) : 92.6 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.21900 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 6.300 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: REFMAC 5.2.0019 RIGIDBODY REMARK 200 REFINEMENT REMARK 200 SOFTWARE USED: REFMAC 5.2.0019 RIGIDBODY REFINEMENT REMARK 200 STARTING MODEL: STRUCTURE OF PICEA ABIES CHITINASE (PDB ENTRY REMARK 200 3HBD) REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 34.34 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.87 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20% W/V POLYETHYLENE GLYCOL 3000, 0.1M REMARK 280 CITRATE, PH 5.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 296K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z REMARK 290 3555 -X+1/2,Y+1/2,-Z 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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 33.59700 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 32.89600 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 33.59700 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 32.89600 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 APPLY THE FOLLOWING TO CHAINS: X 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 TRP X 154 138.94 85.43 REMARK 500 ASN X 215 80.75 -155.40 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MXE X 300 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT X 310 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FOR X 320 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3HBD RELATED DB: PDB REMARK 900 CLASS IV CHITINASE STRUCTURE FROM PICEA ABIES AT 1.8A REMARK 900 RELATED ID: 3HBH RELATED DB: PDB REMARK 900 CLASS IV CHITINASE STRUCTURE FROM PICEA ABIES AT 2.25A DBREF 3HBE X 48 251 UNP Q6WSR8 Q6WSR8_PICAB 73 276 SEQRES 1 X 204 SER VAL GLY GLY ILE ILE SER GLN SER PHE PHE ASN GLY SEQRES 2 X 204 LEU ALA GLY GLY ALA ALA SER SER CYS GLU GLY LYS GLY SEQRES 3 X 204 PHE TYR THR TYR ASN ALA PHE ILE ALA ALA ALA ASN ALA SEQRES 4 X 204 TYR SER GLY PHE GLY THR THR GLY SER ASN ASP VAL LYS SEQRES 5 X 204 LYS ARG GLU LEU ALA ALA PHE PHE ALA ASN VAL MET HIS SEQRES 6 X 204 GLU THR GLY GLY LEU CYS TYR ILE ASN GLU LYS ASN PRO SEQRES 7 X 204 PRO ILE ASN TYR CYS GLN SER SER SER THR TRP PRO CYS SEQRES 8 X 204 THR SER GLY LYS SER TYR HIS GLY ARG GLY PRO LEU GLN SEQRES 9 X 204 LEU SER TRP ASN TYR ASN TYR GLY ALA ALA GLY LYS SER SEQRES 10 X 204 ILE GLY PHE ASP GLY LEU ASN ASN PRO GLU LYS VAL GLY SEQRES 11 X 204 GLN ASP SER THR ILE SER PHE LYS THR ALA VAL TRP PHE SEQRES 12 X 204 TRP MET LYS ASN SER ASN CYS HIS SER ALA ILE THR SER SEQRES 13 X 204 GLY GLN GLY PHE GLY GLY THR ILE LYS ALA ILE ASN SER SEQRES 14 X 204 MET GLU CYS ASN GLY GLY ASN SER GLY GLU VAL SER SER SEQRES 15 X 204 ARG VAL ASN TYR TYR LYS LYS ILE CYS SER GLN LEU GLY SEQRES 16 X 204 VAL ASP PRO GLY ALA ASN VAL SER CYS HET MXE X 300 5 HET ACT X 310 4 HET FOR X 320 2 HETNAM MXE 2-METHOXYETHANOL HETNAM ACT ACETATE ION HETNAM FOR FORMYL GROUP FORMUL 2 MXE C3 H8 O2 FORMUL 3 ACT C2 H3 O2 1- FORMUL 4 FOR C H2 O FORMUL 5 HOH *226(H2 O) HELIX 1 1 SER X 48 ILE X 53 1 6 HELIX 2 2 SER X 54 GLY X 64 1 11 HELIX 3 3 THR X 76 ALA X 86 1 11 HELIX 4 4 SER X 95 GLY X 115 1 21 HELIX 5 5 TRP X 154 GLY X 166 1 13 HELIX 6 6 ASN X 172 GLN X 178 5 7 HELIX 7 7 ASP X 179 ASN X 194 1 16 HELIX 8 8 ASN X 196 THR X 202 1 7 HELIX 9 9 GLN X 205 SER X 216 1 12 HELIX 10 10 MET X 217 CYS X 219 5 3 HELIX 11 11 ASN X 223 GLY X 242 1 20 SSBOND 1 CYS X 69 CYS X 118 1555 1555 2.05 SSBOND 2 CYS X 130 CYS X 138 1555 1555 2.06 SSBOND 3 CYS X 219 CYS X 251 1555 1555 2.05 SITE 1 AC1 7 GLU X 113 LEU X 150 GLN X 151 ILE X 214 SITE 2 AC1 7 ACT X 310 FOR X 320 HOH X 426 SITE 1 AC2 9 GLN X 151 LEU X 152 SER X 153 ASN X 157 SITE 2 AC2 9 PHE X 190 MXE X 300 FOR X 320 HOH X 356 SITE 3 AC2 9 HOH X 413 SITE 1 AC3 5 LEU X 150 PHE X 190 HOH X 282 MXE X 300 SITE 2 AC3 5 ACT X 310 CRYST1 67.194 65.792 36.496 90.00 90.00 90.00 P 21 21 2 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 0.014882 0.000000 0.000000 0.00000 SCALE2 0.000000 0.015199 0.000000 0.00000 SCALE3 0.000000 0.000000 0.027400 0.00000