HEADER TRANSFERASE 24-JAN-23 8CAG TITLE HYPOXANTHINE-GUANINE PHOSPHORIBOSYLTRANSFERASE FROM E. COLI COMPND MOL_ID: 1; COMPND 2 MOLECULE: HYPOXANTHINE PHOSPHORIBOSYLTRANSFERASE; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: HPRT,6-OXOPURINE PHOSPHORIBOSYLTRANSFERASE,6-OXOPURINE COMPND 5 PRTASE; COMPND 6 EC: 2.4.2.8; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 GENE: HPT, B0125, JW5009; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR V.I.TIMOFEEV,M.B.SHEVTSOV,Y.A.ABRAMCHIK,M.A.KOSTROMINA,E.A.ZAYATS, AUTHOR 2 I.P.KURANOVA,R.S.ESIPOV REVDAT 2 19-JUN-24 8CAG 1 REMARK REVDAT 1 01-FEB-23 8CAG 0 JRNL AUTH V.I.TIMOFEEV,M.B.SHEVTSOV,Y.A.ABRAMCHIK,M.A.KOSTROMINA, JRNL AUTH 2 E.A.ZAYATS,I.P.KURANOVA,R.S.ESIPOV JRNL TITL HYPOXANTHINE-GUANINE PHOSPHORIBOSYLTRANSFERASE FROM E. COLI JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 2.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.0 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) : 2.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.74 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 98.3 REMARK 3 NUMBER OF REFLECTIONS : 25994 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) : 0.256 REMARK 3 R VALUE (WORKING SET) : 0.254 REMARK 3 FREE R VALUE : 0.293 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 1396 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) : 2.40 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.46 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1901 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.80 REMARK 3 BIN R VALUE (WORKING SET) : 0.2910 REMARK 3 BIN FREE R VALUE SET COUNT : 109 REMARK 3 BIN FREE R VALUE : 0.3210 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2672 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 33 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 43.08 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.01000 REMARK 3 B22 (A**2) : 0.01000 REMARK 3 B33 (A**2) : -0.04000 REMARK 3 B12 (A**2) : 0.01000 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): 0.265 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.233 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.223 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 9.560 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.890 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.854 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2728 ; 0.010 ; 0.013 REMARK 3 BOND LENGTHS OTHERS (A): 2699 ; 0.001 ; 0.015 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 3679 ; 1.693 ; 1.640 REMARK 3 BOND ANGLES OTHERS (DEGREES): 6212 ; 1.215 ; 1.583 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 338 ; 7.975 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 149 ;31.140 ;20.805 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 515 ;15.739 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 27 ;15.520 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 363 ; 0.068 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2998 ; 0.007 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 596 ; 0.001 ; 0.020 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): 1355 ; 3.987 ; 4.368 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 1354 ; 3.978 ; 4.367 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1689 ; 6.001 ; 6.527 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): 1690 ; 6.002 ; 6.529 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1373 ; 4.430 ; 4.779 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): 1374 ; 4.429 ; 4.780 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): 1990 ; 6.743 ; 7.011 REMARK 3 LONG RANGE B REFINED ATOMS (A**2): 2828 ; 9.552 ;50.063 REMARK 3 LONG RANGE B OTHER ATOMS (A**2): 2828 ; 9.552 ;50.075 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 : 1.20 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 8CAG COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 24-JAN-23. REMARK 100 THE DEPOSITION ID IS D_1292128144. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 03-SEP-22 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID23-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.8856 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER R 1M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : IMOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 27430 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.400 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.8 REMARK 200 DATA REDUNDANCY : 2.970 REMARK 200 R MERGE (I) : 0.23500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 2.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.40 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.53 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.29000 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: PHASER REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 72.69 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.50 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULFATE, VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 293K 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 55.74733 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 111.49467 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 111.49467 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 55.74733 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 2740 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 15200 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -35.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 GLY A 77 REMARK 465 MET A 78 REMARK 465 SER A 79 REMARK 465 THR A 80 REMARK 465 MET B 5 REMARK 465 SER B 73 REMARK 465 TYR B 74 REMARK 465 GLY B 75 REMARK 465 SER B 76 REMARK 465 GLY B 77 REMARK 465 MET B 78 REMARK 465 SER B 79 REMARK 465 THR B 80 REMARK 465 LEU B 180 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 MET A 5 CG SD CE REMARK 470 LYS A 6 CG CD CE NZ REMARK 470 SER A 76 OG REMARK 470 LYS B 6 CG CD CE NZ REMARK 470 GLU B 31 CG CD OE1 OE2 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 GLN A 61 45.41 -93.79 REMARK 500 TYR A 74 -43.05 -20.14 REMARK 500 LEU A 90 150.92 -46.79 REMARK 500 ASP A 107 -88.24 -115.67 REMARK 500 ASP A 154 47.29 -71.11 REMARK 500 GLN B 61 44.63 -88.36 REMARK 500 ASP B 107 -100.90 -127.00 REMARK 500 GLU B 123 64.03 64.90 REMARK 500 LYS B 135 75.66 -114.96 REMARK 500 ALA B 165 63.36 37.14 REMARK 500 REMARK 500 REMARK: NULL DBREF 8CAG A 5 180 UNP P0A9M2 HPRT_ECOLI 1 176 DBREF 8CAG B 5 180 UNP P0A9M2 HPRT_ECOLI 1 176 SEQRES 1 A 176 MET LYS HIS THR VAL GLU VAL MET ILE PRO GLU ALA GLU SEQRES 2 A 176 ILE LYS ALA ARG ILE ALA GLU LEU GLY ARG GLN ILE THR SEQRES 3 A 176 GLU ARG TYR LYS ASP SER GLY SER ASP MET VAL LEU VAL SEQRES 4 A 176 GLY LEU LEU ARG GLY SER PHE MET PHE MET ALA ASP LEU SEQRES 5 A 176 CYS ARG GLU VAL GLN VAL SER HIS GLU VAL ASP PHE MET SEQRES 6 A 176 THR ALA SER SER TYR GLY SER GLY MET SER THR THR ARG SEQRES 7 A 176 ASP VAL LYS ILE LEU LYS ASP LEU ASP GLU ASP ILE ARG SEQRES 8 A 176 GLY LYS ASP VAL LEU ILE VAL GLU ASP ILE ILE ASP SER SEQRES 9 A 176 GLY ASN THR LEU SER LYS VAL ARG GLU ILE LEU SER LEU SEQRES 10 A 176 ARG GLU PRO LYS SER LEU ALA ILE CYS THR LEU LEU ASP SEQRES 11 A 176 LYS PRO SER ARG ARG GLU VAL ASN VAL PRO VAL GLU PHE SEQRES 12 A 176 ILE GLY PHE SER ILE PRO ASP GLU PHE VAL VAL GLY TYR SEQRES 13 A 176 GLY ILE ASP TYR ALA GLN ARG TYR ARG HIS LEU PRO TYR SEQRES 14 A 176 ILE GLY LYS VAL ILE LEU LEU SEQRES 1 B 176 MET LYS HIS THR VAL GLU VAL MET ILE PRO GLU ALA GLU SEQRES 2 B 176 ILE LYS ALA ARG ILE ALA GLU LEU GLY ARG GLN ILE THR SEQRES 3 B 176 GLU ARG TYR LYS ASP SER GLY SER ASP MET VAL LEU VAL SEQRES 4 B 176 GLY LEU LEU ARG GLY SER PHE MET PHE MET ALA ASP LEU SEQRES 5 B 176 CYS ARG GLU VAL GLN VAL SER HIS GLU VAL ASP PHE MET SEQRES 6 B 176 THR ALA SER SER TYR GLY SER GLY MET SER THR THR ARG SEQRES 7 B 176 ASP VAL LYS ILE LEU LYS ASP LEU ASP GLU ASP ILE ARG SEQRES 8 B 176 GLY LYS ASP VAL LEU ILE VAL GLU ASP ILE ILE ASP SER SEQRES 9 B 176 GLY ASN THR LEU SER LYS VAL ARG GLU ILE LEU SER LEU SEQRES 10 B 176 ARG GLU PRO LYS SER LEU ALA ILE CYS THR LEU LEU ASP SEQRES 11 B 176 LYS PRO SER ARG ARG GLU VAL ASN VAL PRO VAL GLU PHE SEQRES 12 B 176 ILE GLY PHE SER ILE PRO ASP GLU PHE VAL VAL GLY TYR SEQRES 13 B 176 GLY ILE ASP TYR ALA GLN ARG TYR ARG HIS LEU PRO TYR SEQRES 14 B 176 ILE GLY LYS VAL ILE LEU LEU HET MG A 201 1 HET MG B 201 1 HETNAM MG MAGNESIUM ION FORMUL 3 MG 2(MG 2+) FORMUL 5 HOH *33(H2 O) HELIX 1 AA1 PRO A 14 LYS A 34 1 21 HELIX 2 AA2 SER A 49 GLU A 59 1 11 HELIX 3 AA3 GLY A 109 LEU A 121 1 13 HELIX 4 AA4 PRO A 136 ARG A 139 5 4 HELIX 5 AA5 PRO B 14 LYS B 34 1 21 HELIX 6 AA6 SER B 49 ARG B 58 1 10 HELIX 7 AA7 GLY B 109 LEU B 121 1 13 HELIX 8 AA8 PRO B 136 ARG B 139 5 4 SHEET 1 AA1 3 HIS A 7 ILE A 13 0 SHEET 2 AA1 3 ILE A 174 LEU A 179 -1 O LYS A 176 N GLU A 10 SHEET 3 AA1 3 VAL A 157 VAL A 158 -1 N VAL A 158 O GLY A 175 SHEET 1 AA2 6 ILE A 86 LYS A 88 0 SHEET 2 AA2 6 GLU A 65 ALA A 71 -1 N THR A 70 O LYS A 88 SHEET 3 AA2 6 MET A 40 LEU A 45 1 N LEU A 42 O ASP A 67 SHEET 4 AA2 6 ASP A 98 ILE A 106 1 O ASP A 98 N VAL A 41 SHEET 5 AA2 6 SER A 126 ASP A 134 1 O CYS A 130 N ILE A 101 SHEET 6 AA2 6 PHE A 147 SER A 151 1 O PHE A 150 N LEU A 132 SHEET 1 AA3 3 THR B 8 ILE B 13 0 SHEET 2 AA3 3 ILE B 174 ILE B 178 -1 O ILE B 178 N THR B 8 SHEET 3 AA3 3 VAL B 157 VAL B 158 -1 N VAL B 158 O GLY B 175 SHEET 1 AA4 6 ILE B 86 LYS B 88 0 SHEET 2 AA4 6 GLU B 65 ALA B 71 -1 N THR B 70 O LEU B 87 SHEET 3 AA4 6 MET B 40 LEU B 45 1 N MET B 40 O GLU B 65 SHEET 4 AA4 6 ASP B 98 ILE B 106 1 O VAL B 102 N VAL B 43 SHEET 5 AA4 6 SER B 126 ASP B 134 1 O ALA B 128 N ILE B 101 SHEET 6 AA4 6 PHE B 147 SER B 151 1 O PHE B 147 N THR B 131 CISPEP 1 LEU A 46 ARG A 47 0 -0.34 CISPEP 2 LEU B 46 ARG B 47 0 4.72 CRYST1 84.650 84.650 167.242 90.00 90.00 120.00 P 31 2 1 12 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 0.011813 0.006820 0.000000 0.00000 SCALE2 0.000000 0.013641 0.000000 0.00000 SCALE3 0.000000 0.000000 0.005979 0.00000