HEADER HYDROLASE 04-OCT-09 3K3T TITLE E185A MUTANT OF PEPTIDOGLYCAN HYDROLASE FROM SPHINGOMONAS SP. A1 COMPND MOL_ID: 1; COMPND 2 MOLECULE: PEPTIDOGLYCAN HYDROLASE FLGJ; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: RESIDUES 152-313; COMPND 5 EC: 3.2.1.-; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SPHINGOMONAS SP. A1; SOURCE 3 ORGANISM_TAXID: 90322; SOURCE 4 GENE: FLGJ; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET21D KEYWDS HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR Y.MARUYAMA,A.OCHIAI,T.ITOH,B.MIKAMI,W.HASHIMOTO,K.MURATA REVDAT 3 01-NOV-23 3K3T 1 REMARK SEQADV REVDAT 2 04-AUG-10 3K3T 1 JRNL REVDAT 1 14-JUL-10 3K3T 0 JRNL AUTH Y.MARUYAMA,A.OCHIAI,T.ITOH,B.MIKAMI,W.HASHIMOTO,K.MURATA JRNL TITL MUTATIONAL STUDIES OF THE PEPTIDOGLYCAN HYDROLASE FLGJ OF JRNL TITL 2 SPHINGOMONAS SP. STRAIN A1 JRNL REF J.BASIC MICROBIOL. V. 50 311 2010 JRNL REFN ISSN 0233-111X JRNL PMID 20586063 JRNL DOI 10.1002/JOBM.200900249 REMARK 2 REMARK 2 RESOLUTION. 1.75 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.5.0072 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) : 1.75 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 26.29 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 3 NUMBER OF REFLECTIONS : 15228 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) : 0.199 REMARK 3 R VALUE (WORKING SET) : 0.198 REMARK 3 FREE R VALUE : 0.228 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 807 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) : 1.75 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.81 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1091 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 100.0 REMARK 3 BIN R VALUE (WORKING SET) : 0.2490 REMARK 3 BIN FREE R VALUE SET COUNT : NULL REMARK 3 BIN FREE R VALUE : 0.2660 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1157 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 10 REMARK 3 SOLVENT ATOMS : 123 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 20.16 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.16000 REMARK 3 B22 (A**2) : -0.16000 REMARK 3 B33 (A**2) : 0.33000 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): 0.128 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.120 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.073 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.219 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.947 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.929 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1222 ; 0.006 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1666 ; 0.874 ; 1.929 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 162 ; 3.824 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 60 ;31.171 ;23.667 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 186 ;12.074 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 10 ;14.904 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 176 ; 0.063 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 962 ; 0.004 ; 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): 769 ; 0.456 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1216 ; 0.882 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 453 ; 1.309 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 444 ; 2.263 ; 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 3K3T COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 06-OCT-09. REMARK 100 THE DEPOSITION ID IS D_1000055510. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 09-APR-09 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SPRING-8 REMARK 200 BEAMLINE : BL38B1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : RIGAKU JUPITER 210 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 16152 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.750 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 (%) : 99.7 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.07000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.75 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.81 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.36500 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 REMARK 200 STARTING MODEL: PDB ENTRY 2ZYC REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 38.97 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.02 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 100MM MES PH 6.0, 1.9M AMMONIUM REMARK 280 SULFATE, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y+1/2,X+1/2,Z+3/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+3/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+1/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -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 -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 50.78450 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 27.22050 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 27.22050 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 76.17675 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 27.22050 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 27.22050 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 25.39225 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 27.22050 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 27.22050 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 76.17675 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 27.22050 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 27.22050 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 25.39225 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 50.78450 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 152 REMARK 465 GLU A 224 REMARK 465 TYR A 225 REMARK 465 GLU A 226 REMARK 465 ASN A 227 REMARK 465 GLY A 228 REMARK 465 GLN A 229 REMARK 465 ARG A 230 REMARK 465 ARG A 312 REMARK 465 GLY A 313 REMARK 465 LEU A 314 REMARK 465 GLU A 315 REMARK 465 HIS A 316 REMARK 465 HIS A 317 REMARK 465 HIS A 318 REMARK 465 HIS A 319 REMARK 465 HIS A 320 REMARK 465 HIS A 321 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 1 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 2 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2ZYC RELATED DB: PDB REMARK 900 PEPTIDOGLYCAN HYDROLASE FROM SPHINGOMONAS SP. A1 DBREF 3K3T A 152 313 UNP B7XH69 B7XH69_9SPHN 152 313 SEQADV 3K3T MET A 152 UNP B7XH69 THR 152 ENGINEERED MUTATION SEQADV 3K3T ALA A 153 UNP B7XH69 PRO 153 ENGINEERED MUTATION SEQADV 3K3T ALA A 185 UNP B7XH69 GLU 185 ENGINEERED MUTATION SEQADV 3K3T LEU A 314 UNP B7XH69 EXPRESSION TAG SEQADV 3K3T GLU A 315 UNP B7XH69 EXPRESSION TAG SEQADV 3K3T HIS A 316 UNP B7XH69 EXPRESSION TAG SEQADV 3K3T HIS A 317 UNP B7XH69 EXPRESSION TAG SEQADV 3K3T HIS A 318 UNP B7XH69 EXPRESSION TAG SEQADV 3K3T HIS A 319 UNP B7XH69 EXPRESSION TAG SEQADV 3K3T HIS A 320 UNP B7XH69 EXPRESSION TAG SEQADV 3K3T HIS A 321 UNP B7XH69 EXPRESSION TAG SEQRES 1 A 170 MET ALA GLN ALA PHE VAL ASP ALA THR TRP PRO GLN ALA SEQRES 2 A 170 ALA LYS ALA ALA GLN SER LEU GLY VAL PRO ALA HIS PHE SEQRES 3 A 170 LEU VAL ALA GLN ALA ALA LEU ALA THR GLY TRP GLY LYS SEQRES 4 A 170 SER GLN ILE ARG ASN LYS ASP GLY THR PRO SER TYR ASN SEQRES 5 A 170 LEU PHE ASN ILE LYS ALA GLY SER ASN TRP THR GLY LYS SEQRES 6 A 170 VAL VAL GLU ALA ARG THR VAL GLU TYR GLU ASN GLY GLN SEQRES 7 A 170 ARG LYS VAL ARG VAL GLU ARG PHE ARG ALA TYR ASP SER SEQRES 8 A 170 TYR GLU GLN ALA PHE GLN ASP TYR ALA ASP LEU VAL GLY SEQRES 9 A 170 ASN SER PRO ARG TYR ALA LYS VAL ALA GLY LYS THR ASP SEQRES 10 A 170 GLY HIS ALA PHE ALA ARG ALA LEU GLN GLU GLY GLY TYR SEQRES 11 A 170 ALA THR ASP PRO SER TYR ALA ASP LYS LEU ALA ARG VAL SEQRES 12 A 170 ILE ASN GLY ASN ALA LEU ARG GLN ARG LEU MET ALA SER SEQRES 13 A 170 ALA ALA SER ALA ARG GLY LEU GLU HIS HIS HIS HIS HIS SEQRES 14 A 170 HIS HET SO4 A 1 5 HET SO4 A 2 5 HETNAM SO4 SULFATE ION FORMUL 2 SO4 2(O4 S 2-) FORMUL 4 HOH *123(H2 O) HELIX 1 1 ALA A 153 GLY A 172 1 20 HELIX 2 2 PRO A 174 GLY A 187 1 14 HELIX 3 3 SER A 242 SER A 257 1 16 HELIX 4 4 PRO A 258 ALA A 261 5 4 HELIX 5 5 ASP A 268 GLY A 280 1 13 HELIX 6 6 SER A 286 GLY A 297 1 12 HELIX 7 7 GLY A 297 ALA A 308 1 12 SHEET 1 A 2 LYS A 216 THR A 222 0 SHEET 2 A 2 ARG A 233 ALA A 239 -1 O ARG A 233 N THR A 222 SITE 1 AC1 5 HOH A 80 HOH A 134 ALA A 153 GLN A 154 SITE 2 AC1 5 ARG A 303 SITE 1 AC2 4 HOH A 106 SER A 257 PRO A 258 ARG A 259 CRYST1 54.441 54.441 101.569 90.00 90.00 90.00 P 43 21 2 8 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 0.018369 0.000000 0.000000 0.00000 SCALE2 0.000000 0.018369 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009846 0.00000