HEADER HYDROLASE 06-JAN-06 2FLT TITLE THE X-RAY STRUCTURE OF THE CIS-3-CHLOROACRYLIC ACID DEHALOGENASE CIS- TITLE 2 CAAD INACTIVATED WITH (R)-OXIRANE-2-CARBOXYLATE COMPND MOL_ID: 1; COMPND 2 MOLECULE: CIS-3-CHLOROACRYLIC ACID DEHALOGENASE; COMPND 3 CHAIN: A; COMPND 4 EC: 3.8.1.-; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CORYNEFORM BACTERIUM; SOURCE 3 ORGANISM_TAXID: 1728; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: E. COLI BL21 (DE3); SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PBAD KEYWDS 3-CHLOROACRYLIC ACID DEHALOGENASE, 4OT FAMILY, HYDRATASE, COVALENT KEYWDS 2 INHIBITOR, 4-OXALOCROTONATE TAUTOMERASE, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR R.M.DE JONG REVDAT 6 15-NOV-23 2FLT 1 LINK ATOM REVDAT 5 30-AUG-23 2FLT 1 REMARK SEQADV LINK REVDAT 4 13-JUL-11 2FLT 1 VERSN REVDAT 3 24-FEB-09 2FLT 1 VERSN REVDAT 2 30-JAN-07 2FLT 1 JRNL REVDAT 1 21-NOV-06 2FLT 0 JRNL AUTH R.M.DE JONG,P.BAZZACCO,G.J.POELARENDS,W.H.JOHNSON JR., JRNL AUTH 2 Y.J.KIM,E.A.BURKS,H.SERRANO,A.M.THUNNISSEN,C.P.WHITMAN, JRNL AUTH 3 B.W.DIJKSTRA JRNL TITL CRYSTAL STRUCTURES OF NATIVE AND INACTIVATED JRNL TITL 2 CIS-3-CHLOROACRYLIC ACID DEHALOGENASE: STRUCTURAL BASIS FOR JRNL TITL 3 SUBSTRATE SPECIFICITY AND INACTIVATION BY JRNL TITL 4 (R)-OXIRANE-2-CARBOXYLATE. JRNL REF J.BIOL.CHEM. V. 282 2440 2007 JRNL REFN ISSN 0021-9258 JRNL PMID 17121835 JRNL DOI 10.1074/JBC.M608134200 REMARK 2 REMARK 2 RESOLUTION. 2.10 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) : 2.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 28.96 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1348806.240 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 6850 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) : 0.204 REMARK 3 FREE R VALUE : 0.226 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.800 REMARK 3 FREE R VALUE TEST SET COUNT : 327 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.012 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.10 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.23 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1066 REMARK 3 BIN R VALUE (WORKING SET) : 0.1940 REMARK 3 BIN FREE R VALUE : 0.2620 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.80 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 54 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.036 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 890 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 6 REMARK 3 SOLVENT ATOMS : 60 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 5.30 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 16.00 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 1.54000 REMARK 3 B22 (A**2) : 1.54000 REMARK 3 B33 (A**2) : -3.08000 REMARK 3 B12 (A**2) : 2.85000 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) : 0.23 REMARK 3 ESD FROM SIGMAA (A) : 0.09 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) : 0.27 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.23 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) : 25.10 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.640 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) : 1.410 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.690 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.790 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.680 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.39 REMARK 3 BSOL : 49.05 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 : ION.PARAM REMARK 3 PARAMETER FILE 5 : INH.PAR REMARK 3 PARAMETER FILE 6 : 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 : ION.TOP REMARK 3 TOPOLOGY FILE 5 : INH.TOP REMARK 3 TOPOLOGY FILE 6 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2FLT COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 09-JAN-06. REMARK 100 THE DEPOSITION ID IS D_1000036032. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 12-FEB-04 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 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 : ENRAF-NONIUS REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MACSCIENCE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 6850 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.100 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.10300 REMARK 200 FOR THE DATA SET : 19.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.10 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.20 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.35500 REMARK 200 FOR SHELL : 5.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: TRANS-3-CHLOROACRYLIC ACID DEHALOGENASE (CAAD, PDB REMARK 200 ID: 1S0Y) REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 30.75 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.78 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: EQUAL AMOUNTS OF PROTEIN SOLUTION (10 REMARK 280 MG/ML) AND WELL SOLUTION CONTAINING 1.6 M POTASSIUM SODIUM REMARK 280 PHOSPHATE AND 100 MM HEPES BUFFER, PH 7.5, VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 63 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 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+1/2 REMARK 290 6555 X-Y,X,Z+1/2 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 -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 28.95450 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 28.95450 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 28.95450 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 UNIT IS A TRIMER THAT CAN BE OBTAINED BY REMARK 300 ROTATION OF THE MONOMER AROPUND THE CRYSTALLOGRAPHIC THREE-FOLD REMARK 300 SYMMETRY AXIS. 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: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 7130 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 12620 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 -0.500000 -0.866025 0.000000 59.45700 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 350 BIOMT1 3 -0.500000 0.866025 0.000000 29.72850 REMARK 350 BIOMT2 3 -0.866025 -0.500000 0.000000 51.49127 REMARK 350 BIOMT3 3 0.000000 0.000000 1.000000 0.00000 REMARK 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A1060 LIES ON A SPECIAL POSITION. REMARK 375 HOH A1061 LIES ON A SPECIAL POSITION. 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 PHE A 118 REMARK 465 LEU A 119 REMARK 465 PRO A 120 REMARK 465 GLN A 121 REMARK 465 PRO A 122 REMARK 465 GLY A 123 REMARK 465 HIS A 124 REMARK 465 GLU A 125 REMARK 465 GLY A 126 REMARK 465 GLU A 127 REMARK 465 TRP A 128 REMARK 465 PHE A 129 REMARK 465 ASP A 130 REMARK 465 ASN A 131 REMARK 465 LEU A 132 REMARK 465 SER A 133 REMARK 465 SER A 134 REMARK 465 ASP A 135 REMARK 465 GLU A 136 REMARK 465 ARG A 137 REMARK 465 ALA A 138 REMARK 465 PHE A 139 REMARK 465 MET A 140 REMARK 465 GLU A 141 REMARK 465 THR A 142 REMARK 465 ASN A 143 REMARK 465 VAL A 144 REMARK 465 ASP A 145 REMARK 465 VAL A 146 REMARK 465 SER A 147 REMARK 465 ARG A 148 REMARK 465 THR A 149 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 ARG A 29 CG CD NE CZ NH1 NH2 REMARK 470 GLN A 35 CG CD OE1 NE2 REMARK 470 HIS A 36 CG ND1 CD2 CE1 NE2 REMARK 470 ARG A 117 CG CD NE CZ NH1 NH2 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH A 1059 O HOH A 1059 2655 1.49 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 ASP A 10 -12.00 73.30 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 LAC A 1001 DBREF 2FLT A 1 149 GB 37702690 AAR00932 2 150 SEQADV 2FLT ASN A 44 GB 37702690 GLN 45 CONFLICT SEQRES 1 A 149 PRO VAL TYR MET VAL TYR VAL SER GLN ASP ARG LEU THR SEQRES 2 A 149 PRO SER ALA LYS HIS ALA VAL ALA LYS ALA ILE THR ASP SEQRES 3 A 149 ALA HIS ARG GLY LEU THR GLY THR GLN HIS PHE LEU ALA SEQRES 4 A 149 GLN VAL ASN PHE ASN GLU GLN PRO ALA GLY ASN VAL PHE SEQRES 5 A 149 LEU GLY GLY VAL GLN GLN GLY GLY ASP THR ILE PHE VAL SEQRES 6 A 149 HIS GLY LEU HIS ARG GLU GLY ARG SER ALA ASP LEU LYS SEQRES 7 A 149 GLY GLN LEU ALA GLN ARG ILE VAL ASP ASP VAL SER VAL SEQRES 8 A 149 ALA ALA GLU ILE ASP ARG LYS HIS ILE TRP VAL TYR PHE SEQRES 9 A 149 GLY GLU MET PRO ALA GLN GLN MET VAL GLU TYR GLY ARG SEQRES 10 A 149 PHE LEU PRO GLN PRO GLY HIS GLU GLY GLU TRP PHE ASP SEQRES 11 A 149 ASN LEU SER SER ASP GLU ARG ALA PHE MET GLU THR ASN SEQRES 12 A 149 VAL ASP VAL SER ARG THR HET LAC A1001 6 HETNAM LAC LACTIC ACID FORMUL 2 LAC C3 H6 O3 FORMUL 3 HOH *60(H2 O) HELIX 1 1 THR A 13 GLY A 33 1 21 HELIX 2 2 GLN A 35 ALA A 39 5 5 HELIX 3 3 SER A 74 ALA A 93 1 20 HELIX 4 4 ASP A 96 LYS A 98 5 3 HELIX 5 5 PRO A 108 MET A 112 5 5 SHEET 1 A 4 GLN A 40 GLN A 46 0 SHEET 2 A 4 VAL A 2 SER A 8 1 N TYR A 3 O GLN A 40 SHEET 3 A 4 ILE A 63 ARG A 70 -1 O HIS A 66 N MET A 4 SHEET 4 A 4 ILE A 100 MET A 107 1 O GLY A 105 N HIS A 69 SHEET 1 B 2 PHE A 52 LEU A 53 0 SHEET 2 B 2 VAL A 56 GLN A 57 -1 O VAL A 56 N LEU A 53 LINK N PRO A 1 CB LAC A1001 1555 1555 1.42 SITE 1 AC1 10 PRO A 1 HIS A 28 THR A 34 LEU A 38 SITE 2 AC1 10 HIS A 69 ARG A 70 ARG A 73 TYR A 103 SITE 3 AC1 10 GLU A 114 HOH A1002 CRYST1 59.457 59.457 57.909 90.00 90.00 120.00 P 63 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 0.016819 0.009710 0.000000 0.00000 SCALE2 0.000000 0.019421 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017268 0.00000