HEADER HYDROLASE 10-JAN-97 1XPB TITLE STRUCTURE OF BETA-LACTAMASE TEM1 COMPND MOL_ID: 1; COMPND 2 MOLECULE: BETA-LACTAMASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: PENICILLINASE; COMPND 5 EC: 3.5.2.6 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562 KEYWDS HYDROLASE, ANTIBIOTIC RESISTANCE, TRANSPOSABLE ELEMENT EXPDTA X-RAY DIFFRACTION AUTHOR E.FONZE,P.CHARLIER REVDAT 4 23-OCT-24 1XPB 1 REMARK REVDAT 3 05-JUN-24 1XPB 1 REMARK REVDAT 2 24-FEB-09 1XPB 1 VERSN REVDAT 1 01-APR-97 1XPB 0 JRNL AUTH E.FONZE,P.CHARLIER,Y.TO'TH,M.VERMEIRE,X.RAQUET,A.DUBUS, JRNL AUTH 2 J.M.FRERE JRNL TITL TEM1 BETA-LACTAMASE STRUCTURE SOLVED BY MOLECULAR JRNL TITL 2 REPLACEMENT AND REFINED STRUCTURE OF THE S235A MUTANT. JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 51 682 1995 JRNL REFN ISSN 0907-4449 JRNL PMID 15299797 JRNL DOI 10.1107/S0907444994014496 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.87 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 5.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 100000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.1000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 82.4 REMARK 3 NUMBER OF REFLECTIONS : 14718 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.156 REMARK 3 FREE R VALUE : 0.158 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.200 REMARK 3 FREE R VALUE TEST SET COUNT : 1494 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.004 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 10 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.96 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 59.60 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 935 REMARK 3 BIN R VALUE (WORKING SET) : 0.2010 REMARK 3 BIN FREE R VALUE : 0.2180 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.30 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 107 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.021 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2027 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 5 REMARK 3 SOLVENT ATOMS : 135 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 12.50 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 18.00 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) : 0.17 REMARK 3 ESD FROM SIGMAA (A) : 0.16 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) : 0.17 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.15 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.013 REMARK 3 BOND ANGLES (DEGREES) : 2.900 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.20 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.230 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) : 1.420 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.950 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 3.120 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 4.770 ; 2.500 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 : PARAM19X.PRO REMARK 3 PARAMETER FILE 2 : PARAM.SO4 REMARK 3 PARAMETER FILE 3 : TIP3P.PARAMETER REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPH19X.PEP REMARK 3 TOPOLOGY FILE 2 : TOP.SO4 REMARK 3 TOPOLOGY FILE 3 : TIP3P.TOPOLOGY REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1XPB 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_1000177301. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL 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 : 17252 REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.04220 REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL 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 3.87 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 39.50 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.03 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 20.89300 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 44.42050 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 31.36050 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 44.42050 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 20.89300 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 31.36050 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 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: 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 HIS A 158 NE2 HIS A 158 CD2 -0.076 REMARK 500 HIS A 289 NE2 HIS A 289 CD2 -0.069 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 TYR A 46 CB - CG - CD1 ANGL. DEV. = -4.7 DEGREES REMARK 500 ARG A 65 NE - CZ - NH1 ANGL. DEV. = 4.1 DEGREES REMARK 500 ARG A 83 NE - CZ - NH2 ANGL. DEV. = -3.7 DEGREES REMARK 500 ARG A 164 NE - CZ - NH1 ANGL. DEV. = 7.6 DEGREES REMARK 500 ARG A 164 NE - CZ - NH2 ANGL. DEV. = -5.2 DEGREES REMARK 500 TRP A 165 CD1 - CG - CD2 ANGL. DEV. = 5.3 DEGREES REMARK 500 TRP A 165 CE2 - CD2 - CG ANGL. DEV. = -5.0 DEGREES REMARK 500 TRP A 210 CD1 - CG - CD2 ANGL. DEV. = 5.8 DEGREES REMARK 500 TRP A 210 CB - CG - CD1 ANGL. DEV. = -8.2 DEGREES REMARK 500 TRP A 210 CE2 - CD2 - CG ANGL. DEV. = -5.2 DEGREES REMARK 500 TRP A 210 CG - CD2 - CE3 ANGL. DEV. = 6.6 DEGREES REMARK 500 ARG A 222 NE - CZ - NH1 ANGL. DEV. = 3.2 DEGREES REMARK 500 TRP A 229 CD1 - CG - CD2 ANGL. DEV. = 7.1 DEGREES REMARK 500 TRP A 229 CG - CD1 - NE1 ANGL. DEV. = -6.1 DEGREES REMARK 500 TRP A 229 CE2 - CD2 - CG ANGL. DEV. = -5.5 DEGREES REMARK 500 ARG A 244 NE - CZ - NH1 ANGL. DEV. = 7.3 DEGREES REMARK 500 ARG A 244 NE - CZ - NH2 ANGL. DEV. = -5.7 DEGREES REMARK 500 ARG A 259 NE - CZ - NH1 ANGL. DEV. = 5.1 DEGREES REMARK 500 THR A 265 CB - CA - C ANGL. DEV. = -16.2 DEGREES REMARK 500 THR A 265 N - CA - CB ANGL. DEV. = 12.1 DEGREES REMARK 500 ARG A 275 NE - CZ - NH2 ANGL. DEV. = -3.3 DEGREES REMARK 500 ARG A 277 NE - CZ - NH1 ANGL. DEV. = 3.8 DEGREES REMARK 500 TRP A 290 CD1 - CG - CD2 ANGL. DEV. = 7.0 DEGREES REMARK 500 TRP A 290 CE2 - CD2 - CG ANGL. DEV. = -5.6 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 MET A 69 -144.77 54.90 REMARK 500 TYR A 105 73.04 58.67 REMARK 500 VAL A 159 -54.56 -121.21 REMARK 500 LEU A 220 -121.49 -104.73 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: ACT REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: ACTIVE SITE REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 291 DBREF 1XPB A 26 290 UNP P62593 BLAT_ECOLI 24 286 SEQRES 1 A 263 HIS PRO GLU THR LEU VAL LYS VAL LYS ASP ALA GLU ASP SEQRES 2 A 263 GLN LEU GLY ALA ARG VAL GLY TYR ILE GLU LEU ASP LEU SEQRES 3 A 263 ASN SER GLY LYS ILE LEU GLU SER PHE ARG PRO GLU GLU SEQRES 4 A 263 ARG PHE PRO MET MET SER THR PHE LYS VAL LEU LEU CYS SEQRES 5 A 263 GLY ALA VAL LEU SER ARG VAL ASP ALA GLY GLN GLU GLN SEQRES 6 A 263 LEU GLY ARG ARG ILE HIS TYR SER GLN ASN ASP LEU VAL SEQRES 7 A 263 GLU TYR SER PRO VAL THR GLU LYS HIS LEU THR ASP GLY SEQRES 8 A 263 MET THR VAL ARG GLU LEU CYS SER ALA ALA ILE THR MET SEQRES 9 A 263 SER ASP ASN THR ALA ALA ASN LEU LEU LEU THR THR ILE SEQRES 10 A 263 GLY GLY PRO LYS GLU LEU THR ALA PHE LEU HIS ASN MET SEQRES 11 A 263 GLY ASP HIS VAL THR ARG LEU ASP ARG TRP GLU PRO GLU SEQRES 12 A 263 LEU ASN GLU ALA ILE PRO ASN ASP GLU ARG ASP THR THR SEQRES 13 A 263 MET PRO ALA ALA MET ALA THR THR LEU ARG LYS LEU LEU SEQRES 14 A 263 THR GLY GLU LEU LEU THR LEU ALA SER ARG GLN GLN LEU SEQRES 15 A 263 ILE ASP TRP MET GLU ALA ASP LYS VAL ALA GLY PRO LEU SEQRES 16 A 263 LEU ARG SER ALA LEU PRO ALA GLY TRP PHE ILE ALA ASP SEQRES 17 A 263 LYS SER GLY ALA GLY GLU ARG GLY SER ARG GLY ILE ILE SEQRES 18 A 263 ALA ALA LEU GLY PRO ASP GLY LYS PRO SER ARG ILE VAL SEQRES 19 A 263 VAL ILE TYR THR THR GLY SER GLN ALA THR MET ASP GLU SEQRES 20 A 263 ARG ASN ARG GLN ILE ALA GLU ILE GLY ALA SER LEU ILE SEQRES 21 A 263 LYS HIS TRP HET SO4 A 291 5 HETNAM SO4 SULFATE ION FORMUL 2 SO4 O4 S 2- FORMUL 3 HOH *135(H2 O) HELIX 1 1 PRO A 27 LEU A 40 1 14 HELIX 2 2 MET A 69 ASP A 85 5 17 HELIX 3 3 GLN A 99 ASP A 101 5 3 HELIX 4 4 THR A 109 HIS A 112 5 4 HELIX 5 5 VAL A 119 THR A 128 1 10 HELIX 6 6 ASN A 132 ILE A 142 1 11 HELIX 7 7 PRO A 145 ASN A 154 1 10 HELIX 8 8 GLU A 168 ASN A 170 5 3 HELIX 9 9 PRO A 183 THR A 195 1 13 HELIX 10 10 LEU A 201 GLU A 212 1 12 HELIX 11 11 LEU A 221 ALA A 224 1 4 HELIX 12 12 MET A 272 LYS A 288 1 17 SHEET 1 A 5 PHE A 230 ALA A 237 0 SHEET 2 A 5 ARG A 244 GLY A 251 -1 N GLY A 251 O PHE A 230 SHEET 3 A 5 ARG A 259 THR A 266 -1 N THR A 265 O ARG A 244 SHEET 4 A 5 ARG A 43 ASP A 50 -1 N LEU A 49 O ILE A 260 SHEET 5 A 5 ILE A 55 PHE A 60 -1 N PHE A 60 O TYR A 46 SHEET 1 B 2 ARG A 65 PRO A 67 0 SHEET 2 B 2 THR A 180 MET A 182 -1 N THR A 181 O PHE A 66 SSBOND 1 CYS A 77 CYS A 123 1555 1555 2.03 CISPEP 1 GLU A 166 PRO A 167 0 2.20 SITE 1 ACT 8 SER A 70 LYS A 73 SER A 130 ASP A 131 SITE 2 ACT 8 ASN A 132 LYS A 234 SER A 235 GLY A 236 SITE 1 AC1 12 SER A 70 SER A 130 VAL A 216 LYS A 234 SITE 2 AC1 12 SER A 235 GLY A 236 ALA A 237 ARG A 244 SITE 3 AC1 12 HOH A 293 HOH A 294 HOH A 295 HOH A 297 CRYST1 41.786 62.721 88.841 90.00 90.00 90.00 P 21 21 21 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 0.023931 0.000000 0.000000 0.00000 SCALE2 0.000000 0.015944 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011256 0.00000