HEADER SYNTHASE 14-MAY-97 1AJ2 TITLE CRYSTAL STRUCTURE OF A BINARY COMPLEX OF E. COLI DIHYDROPTEROATE TITLE 2 SYNTHASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: DIHYDROPTEROATE SYNTHASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: DHPS; COMPND 5 EC: 2.5.1.15 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562 KEYWDS ANTIBIOTIC, RESISTANCE, TRANSFERASE, FOLATE, BIOSYNTHESIS, SYNTHASE EXPDTA X-RAY DIFFRACTION AUTHOR A.ACHARI,D.O.SOMERS,J.N.CHAMPNESS,P.K.BRYANT,J.ROSEMOND,D.K.STAMMERS REVDAT 4 07-FEB-24 1AJ2 1 REMARK REVDAT 3 13-JUL-11 1AJ2 1 VERSN REVDAT 2 24-FEB-09 1AJ2 1 VERSN REVDAT 1 20-MAY-98 1AJ2 0 JRNL AUTH A.ACHARI,D.O.SOMERS,J.N.CHAMPNESS,P.K.BRYANT,J.ROSEMOND, JRNL AUTH 2 D.K.STAMMERS JRNL TITL CRYSTAL STRUCTURE OF THE ANTI-BACTERIAL SULFONAMIDE DRUG JRNL TITL 2 TARGET DIHYDROPTEROATE SYNTHASE. JRNL REF NAT.STRUCT.BIOL. V. 4 490 1997 JRNL REFN ISSN 1072-8368 JRNL PMID 9187658 JRNL DOI 10.1038/NSB0697-490 REMARK 2 REMARK 2 RESOLUTION. 2.00 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) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 10000000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0100 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 69.2 REMARK 3 NUMBER OF REFLECTIONS : NULL REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING SET) : 0.169 REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL 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 : 8 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.00 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 10.00 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 : 2147 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 27 REMARK 3 SOLVENT ATOMS : 152 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : 10.0 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) : 0.017 REMARK 3 BOND ANGLES (DEGREES) : 3.180 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL 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) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL 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 : ENGH.PRO REMARK 3 PARAMETER FILE 2 : NULL REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPENGH.PRO REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1AJ2 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_1000170877. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : MAY-93 REMARK 200 TEMPERATURE (KELVIN) : 289 REMARK 200 PH : 8.4 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 : RIGAKU RUH2R REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE(002) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : SIEMENS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XENGEN REMARK 200 DATA SCALING SOFTWARE : XENGEN REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 14242 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.950 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 69.2 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.06700 REMARK 200 FOR THE DATA SET : NULL 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) : 2.20 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL 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 (%): 51.33 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.53 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN WAS CRYSTALLIZED FROM 42% REMARK 280 AMMONIUM SULFATE, 50MM TRIS-HCL, PH 8.4. REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 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 3555 X+1/2,Y+1/2,Z REMARK 290 4555 -X+1/2,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 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 30.47000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 46.75000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 30.47000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 46.75000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 0.00000 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: 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 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 317 O HOH A 401 2645 2.04 REMARK 500 N ALA A 67 OD2 ASP A 156 2655 2.10 REMARK 500 OG SER A 61 O HOH A 382 2655 2.18 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES 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,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) 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 ATM2 ATM3 REMARK 500 PHE A 28 CA - C - N ANGL. DEV. = -16.7 DEGREES REMARK 500 SER A 29 CA - C - N ANGL. DEV. = -26.3 DEGREES REMARK 500 SER A 29 O - C - N ANGL. DEV. = 12.3 DEGREES REMARK 500 THR A 33 CA - CB - CG2 ANGL. DEV. = -10.4 DEGREES REMARK 500 ARG A 63 NE - CZ - NH1 ANGL. DEV. = 3.3 DEGREES REMARK 500 VAL A 71 CG1 - CB - CG2 ANGL. DEV. = -13.0 DEGREES REMARK 500 ARG A 88 NE - CZ - NH1 ANGL. DEV. = 4.0 DEGREES REMARK 500 ARG A 88 NE - CZ - NH2 ANGL. DEV. = -3.8 DEGREES REMARK 500 ARG A 171 NE - CZ - NH1 ANGL. DEV. = 4.1 DEGREES REMARK 500 MET A 248 CG - SD - CE ANGL. DEV. = -17.5 DEGREES REMARK 500 ARG A 255 NE - CZ - NH2 ANGL. DEV. = -3.5 DEGREES REMARK 500 MET A 266 CG - SD - CE ANGL. DEV. = 11.5 DEGREES 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 SER A 29 151.39 -48.89 REMARK 500 ASP A 30 120.39 40.22 REMARK 500 THR A 33 92.29 67.06 REMARK 500 ARG A 77 -62.89 -92.18 REMARK 500 PRO A 123 103.04 -31.21 REMARK 500 PRO A 232 -18.07 -48.36 REMARK 500 ASP A 258 71.50 -101.86 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 SO4 A 284 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 2PH A 283 DBREF 1AJ2 A 1 282 UNP P0AC13 DHPS_ECOLI 1 282 SEQRES 1 A 282 MET LYS LEU PHE ALA GLN GLY THR SER LEU ASP LEU SER SEQRES 2 A 282 HIS PRO HIS VAL MET GLY ILE LEU ASN VAL THR PRO ASP SEQRES 3 A 282 SER PHE SER ASP GLY GLY THR HIS ASN SER LEU ILE ASP SEQRES 4 A 282 ALA VAL LYS HIS ALA ASN LEU MET ILE ASN ALA GLY ALA SEQRES 5 A 282 THR ILE ILE ASP VAL GLY GLY GLU SER THR ARG PRO GLY SEQRES 6 A 282 ALA ALA GLU VAL SER VAL GLU GLU GLU LEU GLN ARG VAL SEQRES 7 A 282 ILE PRO VAL VAL GLU ALA ILE ALA GLN ARG PHE GLU VAL SEQRES 8 A 282 TRP ILE SER VAL ASP THR SER LYS PRO GLU VAL ILE ARG SEQRES 9 A 282 GLU SER ALA LYS VAL GLY ALA HIS ILE ILE ASN ASP ILE SEQRES 10 A 282 ARG SER LEU SER GLU PRO GLY ALA LEU GLU ALA ALA ALA SEQRES 11 A 282 GLU THR GLY LEU PRO VAL CYS LEU MET HIS MET GLN GLY SEQRES 12 A 282 ASN PRO LYS THR MET GLN GLU ALA PRO LYS TYR ASP ASP SEQRES 13 A 282 VAL PHE ALA GLU VAL ASN ARG TYR PHE ILE GLU GLN ILE SEQRES 14 A 282 ALA ARG CYS GLU GLN ALA GLY ILE ALA LYS GLU LYS LEU SEQRES 15 A 282 LEU LEU ASP PRO GLY PHE GLY PHE GLY LYS ASN LEU SER SEQRES 16 A 282 HIS ASN TYR SER LEU LEU ALA ARG LEU ALA GLU PHE HIS SEQRES 17 A 282 HIS PHE ASN LEU PRO LEU LEU VAL GLY MET SER ARG LYS SEQRES 18 A 282 SER MET ILE GLY GLN LEU LEU ASN VAL GLY PRO SER GLU SEQRES 19 A 282 ARG LEU SER GLY SER LEU ALA CYS ALA VAL ILE ALA ALA SEQRES 20 A 282 MET GLN GLY ALA HIS ILE ILE ARG VAL HIS ASP VAL LYS SEQRES 21 A 282 GLU THR VAL GLU ALA MET ARG VAL VAL GLU ALA THR LEU SEQRES 22 A 282 SER ALA LYS GLU ASN LYS ARG TYR GLU HET SO4 A 284 5 HET 2PH A 283 22 HETNAM SO4 SULFATE ION HETNAM 2PH [7,8-DIHYDRO-PTERIN-6-YL METHANYL]-PHOSPHONOPHOSPHATE FORMUL 2 SO4 O4 S 2- FORMUL 3 2PH C7 H11 N5 O8 P2 FORMUL 4 HOH *152(H2 O) HELIX 1 1 ASN A 35 ALA A 50 5 16 HELIX 2 2 VAL A 71 ARG A 88 1 18 HELIX 3 3 PRO A 100 VAL A 109 1 10 HELIX 4 4 ALA A 125 THR A 132 1 8 HELIX 5 5 VAL A 157 ALA A 175 1 19 HELIX 6 6 LYS A 179 LYS A 181 5 3 HELIX 7 7 LEU A 194 ALA A 202 1 9 HELIX 8 8 LEU A 204 PHE A 210 5 7 HELIX 9 9 SER A 222 LEU A 228 1 7 HELIX 10 10 LEU A 236 MET A 248 1 13 HELIX 11 11 VAL A 259 ALA A 275 1 17 SHEET 1 A 2 LYS A 2 ALA A 5 0 SHEET 2 A 2 THR A 8 ASP A 11 -1 N LEU A 10 O LEU A 3 SHEET 1 B 4 ILE A 253 VAL A 256 0 SHEET 2 B 4 HIS A 16 ASN A 22 1 N HIS A 16 O ILE A 254 SHEET 3 B 4 ILE A 54 GLY A 58 1 N ILE A 54 O GLY A 19 SHEET 4 B 4 TRP A 92 ASP A 96 1 N TRP A 92 O ILE A 55 SHEET 1 C 2 VAL A 136 MET A 139 0 SHEET 2 C 2 LEU A 182 ASP A 185 1 N LEU A 183 O VAL A 136 SITE 1 AC1 3 SER A 222 ARG A 235 HOH A 398 SITE 1 AC2 19 ILE A 20 ASN A 22 SER A 61 THR A 62 SITE 2 AC2 19 ARG A 63 ASP A 96 ASN A 115 ILE A 117 SITE 3 AC2 19 ASP A 185 PHE A 190 LEU A 215 GLY A 217 SITE 4 AC2 19 LYS A 221 ARG A 255 HIS A 257 HOH A 297 SITE 5 AC2 19 HOH A 382 HOH A 426 HOH A 436 CRYST1 93.500 60.940 59.930 90.00 114.80 90.00 C 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 0.010695 0.000000 0.004942 0.00000 SCALE2 0.000000 0.016410 0.000000 0.00000 SCALE3 0.000000 0.000000 0.018381 0.00000