HEADER TRANSFERASE 19-FEB-02 1L1R TITLE CRYSTAL STRUCTURE OF APRTASE FROM GIARDIA LAMBLIA COMPLEXED WITH 9- TITLE 2 DEAZAADENINE, MG2+ AND PRPP COMPND MOL_ID: 1; COMPND 2 MOLECULE: ADENINE PHOSPHORIBOSYLTRANSFERASE; COMPND 3 CHAIN: A; COMPND 4 EC: 2.4.2.7; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: GIARDIA INTESTINALIS; SOURCE 3 ORGANISM_TAXID: 5741; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS APRTASE, ADENINE, GIARDIA LAMBLIA, PURINE METABOLISM, CATALYTIC LOOP, KEYWDS 2 TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR W.SHI,A.E.SARVER,C.C.WANG,K.S.TANAKA,S.C.ALMO,V.L.SCHRAMM REVDAT 5 16-AUG-23 1L1R 1 HETSYN REVDAT 4 29-JUL-20 1L1R 1 COMPND REMARK SEQADV HETNAM REVDAT 4 2 1 LINK SITE REVDAT 3 13-JUL-11 1L1R 1 VERSN REVDAT 2 24-FEB-09 1L1R 1 VERSN REVDAT 1 27-NOV-02 1L1R 0 JRNL AUTH W.SHI,A.E.SARVER,C.C.WANG,K.S.TANAKA,S.C.ALMO,V.L.SCHRAMM JRNL TITL CLOSED SITE COMPLEXES OF ADENINE PHOSPHORIBOSYLTRANSFERASE JRNL TITL 2 FROM GIARDIA LAMBLIA REVEAL A MECHANISM OF RIBOSYL JRNL TITL 3 MIGRATION. JRNL REF J.BIOL.CHEM. V. 277 39981 2002 JRNL REFN ISSN 0021-9258 JRNL PMID 12171925 JRNL DOI 10.1074/JBC.M205596200 REMARK 2 REMARK 2 RESOLUTION. 1.95 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 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) : 1.95 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 25.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 92.4 REMARK 3 NUMBER OF REFLECTIONS : 13041 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) : 0.218 REMARK 3 FREE R VALUE : 0.262 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1309 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.007 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) : 1.95 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.07 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 83.40 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1752 REMARK 3 BIN R VALUE (WORKING SET) : 0.2720 REMARK 3 BIN FREE R VALUE : 0.2840 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 8.90 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 171 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.022 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1345 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 33 REMARK 3 SOLVENT ATOMS : 79 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 12.80 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 30.50 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 4.77000 REMARK 3 B22 (A**2) : 4.77000 REMARK 3 B33 (A**2) : -9.54000 REMARK 3 B12 (A**2) : 5.29000 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) : 0.25 REMARK 3 ESD FROM SIGMAA (A) : 0.19 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) : 0.30 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.21 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 1.400 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.70 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.840 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 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.34 REMARK 3 BSOL : 37.93 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1L1R COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 25-FEB-02. REMARK 100 THE DEPOSITION ID IS D_1000015565. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 07-JUN-01 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 4.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X9B REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.98 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 14082 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.950 REMARK 200 RESOLUTION RANGE LOW (A) : 25.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 200 DATA REDUNDANCY : 5.000 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.03700 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 23.4000 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) : 2.02 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.8 REMARK 200 DATA REDUNDANCY IN SHELL : 4.80 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.36900 REMARK 200 <I/SIGMA(I)> FOR SHELL : 3.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: PDB ENTRY 1L1Q REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.20 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 4000, AMMONIUM ACETATE, UREA, REMARK 280 SODIUM ACETATE, PH 4.6, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 291K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 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 36.24800 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 72.49600 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 72.49600 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 36.24800 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 ASSEMBLY IS A DIMER GENERATED FROM THE REMARK 300 MONOMER IN THE ASYMMETRIC UNIT BY APPLYING THE CRYSTALLOGRAPHIC 2- REMARK 300 FOLD. 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 5220 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 13850 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -39.0 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 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 94.09366 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 72.49600 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 A 466 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 472 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 MET A 1 REMARK 465 HIS A 181 REMARK 465 HIS A 182 REMARK 465 HIS A 183 REMARK 465 HIS A 184 REMARK 465 HIS A 185 REMARK 465 HIS A 186 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 GLN A 102 CG CD OE1 NE2 REMARK 470 LYS A 103 CG CD CE NZ REMARK 470 VAL A 105 CG1 CG2 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 PRO A 53 49.81 -73.61 REMARK 500 GLN A 102 128.40 -170.68 REMARK 500 ALA A 128 -102.38 -103.25 REMARK 500 LYS A 162 58.45 37.17 REMARK 500 ARG A 173 78.77 -102.30 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 400 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 PRP A 301 O3A REMARK 620 2 PRP A 301 O1 54.8 REMARK 620 3 PRP A 301 O2 104.8 63.9 REMARK 620 4 PRP A 301 O3 127.9 77.3 64.4 REMARK 620 5 PRP A 301 O3B 55.3 94.6 94.8 159.2 REMARK 620 6 HOH A 463 O 138.8 165.1 102.4 91.8 92.3 REMARK 620 7 HOH A 464 O 68.0 91.8 151.5 97.4 102.0 99.7 REMARK 620 N 1 2 3 4 5 6 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1L1Q RELATED DB: PDB REMARK 900 APRTASE FROM GIARDIA LAMBLIA COMPLEXED WITH 9-DEAZAADENINE AND REMARK 900 SULFATE DBREF 1L1R A 1 180 UNP Q967M2 Q967M2_GIALA 1 180 SEQADV 1L1R HIS A 181 UNP Q967M2 EXPRESSION TAG SEQADV 1L1R HIS A 182 UNP Q967M2 EXPRESSION TAG SEQRES 1 A 186 MET THR MET SER VAL ALA ASP ALA HIS ALA LEU ILE LYS SEQRES 2 A 186 THR ILE PRO ASP PHE PRO THR LYS GLY ILE ALA PHE LYS SEQRES 3 A 186 ASP LEU SER ASP ILE LEU SER THR PRO ALA ALA LEU ASP SEQRES 4 A 186 ALA VAL ARG LYS GLU VAL THR ALA HIS TYR LYS ASP VAL SEQRES 5 A 186 PRO ILE THR LYS VAL VAL GLY ILE GLU SER ARG GLY PHE SEQRES 6 A 186 ILE LEU GLY GLY ILE VAL ALA ASN SER LEU GLY VAL GLY SEQRES 7 A 186 PHE VAL ALA LEU ARG LYS ALA GLY LYS LEU PRO GLY ASP SEQRES 8 A 186 VAL CYS LYS CYS THR PHE ASP MET GLU TYR GLN LYS GLY SEQRES 9 A 186 VAL THR ILE GLU VAL GLN LYS ARG GLN LEU GLY PRO HIS SEQRES 10 A 186 ASP VAL VAL LEU LEU HIS ASP ASP VAL LEU ALA THR GLY SEQRES 11 A 186 GLY THR LEU LEU ALA ALA ILE GLU LEU CYS GLU THR ALA SEQRES 12 A 186 GLY VAL LYS PRO GLU ASN ILE TYR ILE ASN VAL LEU TYR SEQRES 13 A 186 GLU ILE GLU ALA LEU LYS GLY ARG GLU LYS VAL GLY GLN SEQRES 14 A 186 LYS CYS THR ARG LEU PHE SER VAL ILE ARG GLU HIS HIS SEQRES 15 A 186 HIS HIS HIS HIS HET MG A 400 1 HET 9DA A 201 10 HET PRP A 301 22 HETNAM MG MAGNESIUM ION HETNAM 9DA 9-DEAZAADENINE HETNAM PRP 1-O-PYROPHOSPHONO-5-O-PHOSPHONO-ALPHA-D-RIBOFURANOSE HETSYN PRP ALPHA-PHOSPHORIBOSYLPYROPHOSPHORIC ACID; 1-O- HETSYN 2 PRP PYROPHOSPHONO-5-O-PHOSPHONO-ALPHA-D-RIBOSE; 1-O- HETSYN 3 PRP PYROPHOSPHONO-5-O-PHOSPHONO-D-RIBOSE; 1-O- HETSYN 4 PRP PYROPHOSPHONO-5-O-PHOSPHONO-RIBOSE FORMUL 2 MG MG 2+ FORMUL 3 9DA C6 H6 N4 FORMUL 4 PRP C5 H13 O14 P3 FORMUL 5 HOH *79(H2 O) HELIX 1 1 SER A 4 ALA A 10 1 7 HELIX 2 2 LEU A 28 THR A 34 1 7 HELIX 3 3 THR A 34 TYR A 49 1 16 HELIX 4 4 SER A 62 GLY A 64 5 3 HELIX 5 5 PHE A 65 GLY A 76 1 12 HELIX 6 6 ARG A 112 LEU A 114 5 3 HELIX 7 7 GLY A 130 ALA A 143 1 14 HELIX 8 8 LYS A 146 GLU A 148 5 3 HELIX 9 9 GLU A 159 LEU A 161 5 3 HELIX 10 10 LYS A 162 GLN A 169 1 8 SHEET 1 A 2 LYS A 13 ILE A 15 0 SHEET 2 A 2 PHE A 25 ASP A 27 -1 O ASP A 27 N LYS A 13 SHEET 1 B 7 VAL A 92 MET A 99 0 SHEET 2 B 7 GLN A 102 GLN A 110 -1 O VAL A 105 N PHE A 97 SHEET 3 B 7 GLY A 78 LYS A 84 -1 N ARG A 83 O GLU A 108 SHEET 4 B 7 LYS A 56 ILE A 60 1 N VAL A 57 O VAL A 80 SHEET 5 B 7 VAL A 120 LEU A 127 1 O HIS A 123 N VAL A 58 SHEET 6 B 7 ILE A 150 GLU A 157 1 O TYR A 151 N LEU A 122 SHEET 7 B 7 LEU A 174 ARG A 179 1 O ILE A 178 N GLU A 157 LINK O3A PRP A 301 MG MG A 400 1555 1555 2.96 LINK O1 PRP A 301 MG MG A 400 1555 1555 2.30 LINK O2 PRP A 301 MG MG A 400 1555 1555 2.55 LINK O3 PRP A 301 MG MG A 400 1555 1555 2.48 LINK O3B PRP A 301 MG MG A 400 1555 1555 2.25 LINK MG MG A 400 O HOH A 463 1555 1555 2.12 LINK MG MG A 400 O HOH A 464 1555 1555 2.13 CISPEP 1 PHE A 18 PRO A 19 0 0.20 CISPEP 2 GLU A 61 SER A 62 0 0.74 CRYST1 54.325 54.325 108.744 90.00 90.00 120.00 P 31 2 1 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 0.018408 0.010628 0.000000 0.00000 SCALE2 0.000000 0.021255 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009196 0.00000