HEADER NUCLEIC ACID BINDING PROTEIN 22-JUN-10 3NM7 TITLE CRYSTAL STRUCTURE OF BORRELIA BURGDORFERI PUR-ALPHA COMPND MOL_ID: 1; COMPND 2 MOLECULE: UNCHARACTERIZED PROTEIN; COMPND 3 CHAIN: A, B, C, D; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BORRELIA BURGDORFERI; SOURCE 3 ORGANISM_COMMON: LYME DISEASE SPIROCHETE; SOURCE 4 ORGANISM_TAXID: 139; SOURCE 5 GENE: BB_0047; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21 (DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PGEX6P1 KEYWDS PUR-ALPHA, PUR REPEAT, PUR DOMAIN, PURA, WHIRLY FOLD, RNA BINDING, KEYWDS 2 DNA BINDING, NUCLEIC ACID BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR A.GRAEBSCH,S.ROCHE,D.KOSTREWA,D.NIESSING REVDAT 3 06-SEP-23 3NM7 1 REMARK LINK REVDAT 2 27-OCT-10 3NM7 1 JRNL REVDAT 1 06-OCT-10 3NM7 0 JRNL AUTH A.GRAEBSCH,S.ROCHE,D.KOSTREWA,S.SOEDING,D.NIESSING JRNL TITL OF BITS AND BUGS - ON THE USE OF BIOINFORMATICS AND A JRNL TITL 2 BACTERIAL CRYSTAL STRUCTURE TO SOLVE A EUKARYOTIC JRNL TITL 3 REPEAT-PROTEIN STRUCTURE. JRNL REF PLOS ONE V. 5 13402 2010 JRNL REFN ESSN 1932-6203 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH A.GRAEBSCH,S.ROCHE,D.NIESSING REMARK 1 TITL X-RAY STRUCTURE OF PUR-ALPHA REVEALS A WHIRLY-LIKE FOLD AND REMARK 1 TITL 2 AN UNUSUAL NUCLEIC-ACID BINDING SURFACE REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 106 18521 2009 REMARK 1 REFN ISSN 0027-8424 REMARK 2 REMARK 2 RESOLUTION. 2.20 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.5.0044 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) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 23.11 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 3 NUMBER OF REFLECTIONS : 20602 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) : 0.219 REMARK 3 R VALUE (WORKING SET) : 0.217 REMARK 3 FREE R VALUE : 0.261 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.110 REMARK 3 FREE R VALUE TEST SET COUNT : 1053 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) : 2.20 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.32 REMARK 3 REFLECTION IN BIN (WORKING SET) : 2780 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.2564 REMARK 3 BIN FREE R VALUE SET COUNT : 153 REMARK 3 BIN FREE R VALUE : 0.3052 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2588 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 9 REMARK 3 SOLVENT ATOMS : 155 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 35.32 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 46.47 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -16.76860 REMARK 3 B22 (A**2) : 8.19360 REMARK 3 B33 (A**2) : 8.57500 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): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): 0.216 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.193 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 17.343 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.907 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.893 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): NULL ; NULL ; NULL REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): NULL ; NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): NULL ; NULL ; NULL REMARK 3 GENERAL PLANES REFINED ATOMS (A): NULL ; NULL ; NULL 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): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL 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 : 3 REMARK 3 REMARK 3 NCS GROUP NUMBER : 1 REMARK 3 CHAIN NAMES : A C B D REMARK 3 NUMBER OF COMPONENTS NCS GROUP : 4 REMARK 3 COMPONENT C SSSEQI TO C SSSEQI CODE REMARK 3 1 A 3 A 13 1 REMARK 3 1 C 3 C 13 1 REMARK 3 1 B 3 B 13 1 REMARK 3 1 D 3 D 13 1 REMARK 3 2 A 19 A 40 1 REMARK 3 2 C 19 C 40 1 REMARK 3 2 B 19 B 40 1 REMARK 3 2 D 19 D 40 1 REMARK 3 3 A 49 A 54 1 REMARK 3 3 C 49 C 54 1 REMARK 3 3 B 49 B 54 1 REMARK 3 3 D 49 D 54 1 REMARK 3 4 A 56 A 77 1 REMARK 3 4 C 56 C 77 1 REMARK 3 4 B 56 B 77 1 REMARK 3 4 D 56 D 77 1 REMARK 3 GROUP CHAIN COUNT RMS WEIGHT REMARK 3 REMARK 3 NCS GROUP NUMBER : 2 REMARK 3 CHAIN NAMES : A C REMARK 3 NUMBER OF COMPONENTS NCS GROUP : 3 REMARK 3 COMPONENT C SSSEQI TO C SSSEQI CODE REMARK 3 1 A 14 A 18 1 REMARK 3 1 C 14 C 18 1 REMARK 3 2 A 41 A 48 1 REMARK 3 2 C 41 C 48 1 REMARK 3 3 A 55 A 55 1 REMARK 3 3 C 55 C 55 1 REMARK 3 GROUP CHAIN COUNT RMS WEIGHT REMARK 3 REMARK 3 NCS GROUP NUMBER : 3 REMARK 3 CHAIN NAMES : B D REMARK 3 NUMBER OF COMPONENTS NCS GROUP : 2 REMARK 3 COMPONENT C SSSEQI TO C SSSEQI CODE REMARK 3 1 B 14 B 18 1 REMARK 3 1 D 14 D 18 1 REMARK 3 2 B 41 B 48 1 REMARK 3 2 D 41 D 48 1 REMARK 3 GROUP CHAIN COUNT RMS WEIGHT REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 8 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 3 A 56 REMARK 3 ORIGIN FOR THE GROUP (A): -4.3980 -5.7840 21.9220 REMARK 3 T TENSOR REMARK 3 T11: 0.4070 T22: 0.1090 REMARK 3 T33: 0.1807 T12: -0.0451 REMARK 3 T13: -0.0740 T23: 0.0340 REMARK 3 L TENSOR REMARK 3 L11: 0.5528 L22: 4.8099 REMARK 3 L33: 3.5811 L12: -0.8055 REMARK 3 L13: -0.3002 L23: -0.0283 REMARK 3 S TENSOR REMARK 3 S11: 0.0468 S12: -0.0999 S13: -0.0771 REMARK 3 S21: -0.6005 S22: 0.0557 S23: 0.1661 REMARK 3 S31: 0.4975 S32: -0.1602 S33: -0.1025 REMARK 3 REMARK 3 TLS GROUP : 2 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 57 A 77 REMARK 3 ORIGIN FOR THE GROUP (A): -6.2600 10.5840 14.3590 REMARK 3 T TENSOR REMARK 3 T11: 0.4236 T22: 0.1022 REMARK 3 T33: 0.2923 T12: 0.0300 REMARK 3 T13: -0.0162 T23: 0.0009 REMARK 3 L TENSOR REMARK 3 L11: 2.4298 L22: 9.8287 REMARK 3 L33: 11.4270 L12: 0.6418 REMARK 3 L13: -2.0729 L23: 4.4379 REMARK 3 S TENSOR REMARK 3 S11: 0.0518 S12: -0.0937 S13: 0.6292 REMARK 3 S21: -0.9900 S22: -0.0326 S23: 0.1731 REMARK 3 S31: 0.1417 S32: 0.2438 S33: -0.0192 REMARK 3 REMARK 3 TLS GROUP : 3 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : B 3 B 56 REMARK 3 ORIGIN FOR THE GROUP (A): -15.4550 5.2310 16.8780 REMARK 3 T TENSOR REMARK 3 T11: 0.3999 T22: 0.2024 REMARK 3 T33: 0.4816 T12: -0.0437 REMARK 3 T13: -0.1976 T23: 0.0471 REMARK 3 L TENSOR REMARK 3 L11: 3.3548 L22: 10.0864 REMARK 3 L33: 4.8092 L12: -1.5398 REMARK 3 L13: -0.0520 L23: 0.5670 REMARK 3 S TENSOR REMARK 3 S11: 0.0939 S12: 0.0633 S13: 0.0259 REMARK 3 S21: -0.9308 S22: -0.1324 S23: 1.6060 REMARK 3 S31: 0.4426 S32: -0.7692 S33: 0.0385 REMARK 3 REMARK 3 TLS GROUP : 4 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : B 57 B 77 REMARK 3 ORIGIN FOR THE GROUP (A): 1.0210 4.6310 18.8080 REMARK 3 T TENSOR REMARK 3 T11: 0.2249 T22: 0.0317 REMARK 3 T33: 0.1784 T12: -0.0164 REMARK 3 T13: 0.0174 T23: 0.0193 REMARK 3 L TENSOR REMARK 3 L11: 6.1697 L22: 7.1272 REMARK 3 L33: 15.8770 L12: -3.9465 REMARK 3 L13: -7.9314 L23: 7.0993 REMARK 3 S TENSOR REMARK 3 S11: 0.1343 S12: -0.2030 S13: 0.1985 REMARK 3 S21: -0.4504 S22: 0.1451 S23: -0.3796 REMARK 3 S31: -0.2107 S32: 0.0448 S33: -0.2794 REMARK 3 REMARK 3 TLS GROUP : 5 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : C 3 C 56 REMARK 3 ORIGIN FOR THE GROUP (A): 1.8390 -22.5820 21.3870 REMARK 3 T TENSOR REMARK 3 T11: 0.4399 T22: 0.0667 REMARK 3 T33: 0.1514 T12: -0.0406 REMARK 3 T13: -0.0053 T23: -0.0084 REMARK 3 L TENSOR REMARK 3 L11: 1.3781 L22: 5.8785 REMARK 3 L33: 4.8527 L12: -1.2866 REMARK 3 L13: 1.1030 L23: -1.4730 REMARK 3 S TENSOR REMARK 3 S11: -0.0020 S12: -0.0877 S13: 0.1470 REMARK 3 S21: -0.6955 S22: 0.0840 S23: 0.1485 REMARK 3 S31: -0.2629 S32: 0.1041 S33: -0.0819 REMARK 3 REMARK 3 TLS GROUP : 6 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : C 57 C 77 REMARK 3 ORIGIN FOR THE GROUP (A): 1.9110 -38.5050 12.9830 REMARK 3 T TENSOR REMARK 3 T11: 0.9309 T22: 0.1832 REMARK 3 T33: 0.2201 T12: 0.1167 REMARK 3 T13: -0.0092 T23: -0.0640 REMARK 3 L TENSOR REMARK 3 L11: 5.2332 L22: 11.7420 REMARK 3 L33: 5.1160 L12: -1.2086 REMARK 3 L13: 3.9681 L23: -5.7614 REMARK 3 S TENSOR REMARK 3 S11: -0.5910 S12: -0.1668 S13: -0.3390 REMARK 3 S21: -0.8972 S22: 0.6370 S23: -0.2603 REMARK 3 S31: -0.1981 S32: -0.4401 S33: -0.0460 REMARK 3 REMARK 3 TLS GROUP : 7 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : D 3 D 56 REMARK 3 ORIGIN FOR THE GROUP (A): 11.4230 -33.6540 14.0670 REMARK 3 T TENSOR REMARK 3 T11: 1.1288 T22: 0.1494 REMARK 3 T33: 0.6256 T12: 0.0043 REMARK 3 T13: 0.5969 T23: -0.0079 REMARK 3 L TENSOR REMARK 3 L11: 7.3192 L22: 8.7112 REMARK 3 L33: 2.4894 L12: 4.7348 REMARK 3 L13: -2.2603 L23: -0.0633 REMARK 3 S TENSOR REMARK 3 S11: -0.8462 S12: 0.2638 S13: -1.1374 REMARK 3 S21: -2.6891 S22: 0.4082 S23: -2.0144 REMARK 3 S31: -0.0091 S32: 0.3846 S33: 0.4380 REMARK 3 REMARK 3 TLS GROUP : 8 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : D 57 D 77 REMARK 3 ORIGIN FOR THE GROUP (A): -4.1760 -32.9520 19.3750 REMARK 3 T TENSOR REMARK 3 T11: 0.2799 T22: 0.0232 REMARK 3 T33: 0.2215 T12: -0.0597 REMARK 3 T13: -0.0676 T23: 0.0154 REMARK 3 L TENSOR REMARK 3 L11: 13.8124 L22: 7.4175 REMARK 3 L33: 13.7729 L12: -6.6293 REMARK 3 L13: 11.8865 L23: -7.3895 REMARK 3 S TENSOR REMARK 3 S11: -0.0078 S12: 0.2349 S13: -0.2924 REMARK 3 S21: -0.5432 S22: 0.1465 S23: 0.4412 REMARK 3 S31: 0.0671 S32: 0.1242 S33: -0.1387 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 U VALUES : RESIDUAL ONLY REMARK 4 REMARK 4 3NM7 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 13-JUL-10. REMARK 100 THE DEPOSITION ID IS D_1000060002. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 27-JUN-08 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.2 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) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : 0.9724 REMARK 200 MONOCHROMATOR : SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XSCALE REMARK 200 DATA SCALING SOFTWARE : XSCALE, SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 20614 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.200 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.0 REMARK 200 DATA REDUNDANCY : 3.900 REMARK 200 R MERGE (I) : 0.16200 REMARK 200 R SYM (I) : 0.07400 REMARK 200 FOR THE DATA SET : 14.9900 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.21 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.34 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.6 REMARK 200 DATA REDUNDANCY IN SHELL : 3.90 REMARK 200 R MERGE FOR SHELL (I) : 0.69500 REMARK 200 R SYM FOR SHELL (I) : 0.52200 REMARK 200 FOR SHELL : 2.480 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: PDB ENTRY 3N8B REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 25.43 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.65 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 125 MM NACL, 100 MM HEPES PH 7.2, 20% REMARK 280 PEG 3350, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K 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 23.89500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 71.15500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 28.87500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 71.15500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 23.89500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 28.87500 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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: 4280 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 10070 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -25.0 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 350 REMARK 350 BIOMOLECULE: 2 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: 3820 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 9120 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -32.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: C, D 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 1 REMARK 465 TRP A 2 REMARK 465 ARG A 3 REMARK 465 LYS A 4 REMARK 465 LEU A 5 REMARK 465 MET A 6 REMARK 465 GLY A 7 REMARK 465 VAL A 87 REMARK 465 GLY A 88 REMARK 465 SER A 89 REMARK 465 LYS A 95 REMARK 465 GLY A 96 REMARK 465 TYR A 97 REMARK 465 GLY A 98 REMARK 465 GLU A 99 REMARK 465 TYR A 100 REMARK 465 GLY A 101 REMARK 465 GLU A 102 REMARK 465 ARG A 103 REMARK 465 SER A 104 REMARK 465 LYS A 105 REMARK 465 LEU A 106 REMARK 465 ASP A 107 REMARK 465 ASP A 108 REMARK 465 SER A 109 REMARK 465 ARG A 110 REMARK 465 PHE A 111 REMARK 465 ASP A 112 REMARK 465 LYS A 113 REMARK 465 LYS A 114 REMARK 465 SER A 115 REMARK 465 HIS A 116 REMARK 465 LEU A 117 REMARK 465 SER A 118 REMARK 465 GLY A 119 REMARK 465 GLY A 120 REMARK 465 ARG A 121 REMARK 465 PHE A 122 REMARK 465 LYS A 123 REMARK 465 LYS A 124 REMARK 465 LYS A 125 REMARK 465 ASP A 126 REMARK 465 TYR A 127 REMARK 465 MET B 1 REMARK 465 TRP B 2 REMARK 465 ARG B 3 REMARK 465 LYS B 4 REMARK 465 LEU B 5 REMARK 465 MET B 6 REMARK 465 GLY B 7 REMARK 465 GLU B 8 REMARK 465 ARG B 9 REMARK 465 GLY B 10 REMARK 465 GLY B 85 REMARK 465 SER B 86 REMARK 465 VAL B 87 REMARK 465 GLY B 88 REMARK 465 SER B 89 REMARK 465 SER B 90 REMARK 465 ALA B 91 REMARK 465 ARG B 92 REMARK 465 HIS B 93 REMARK 465 ASN B 94 REMARK 465 LYS B 95 REMARK 465 GLY B 96 REMARK 465 TYR B 97 REMARK 465 GLY B 98 REMARK 465 GLU B 99 REMARK 465 TYR B 100 REMARK 465 GLY B 101 REMARK 465 GLU B 102 REMARK 465 ARG B 103 REMARK 465 SER B 104 REMARK 465 LYS B 105 REMARK 465 LEU B 106 REMARK 465 ASP B 107 REMARK 465 ASP B 108 REMARK 465 SER B 109 REMARK 465 ARG B 110 REMARK 465 PHE B 111 REMARK 465 ASP B 112 REMARK 465 LYS B 113 REMARK 465 LYS B 114 REMARK 465 SER B 115 REMARK 465 HIS B 116 REMARK 465 LEU B 117 REMARK 465 SER B 118 REMARK 465 GLY B 119 REMARK 465 GLY B 120 REMARK 465 ARG B 121 REMARK 465 PHE B 122 REMARK 465 LYS B 123 REMARK 465 LYS B 124 REMARK 465 LYS B 125 REMARK 465 ASP B 126 REMARK 465 TYR B 127 REMARK 465 MET C 1 REMARK 465 TRP C 2 REMARK 465 ARG C 3 REMARK 465 LYS C 4 REMARK 465 LEU C 5 REMARK 465 MET C 6 REMARK 465 GLY C 7 REMARK 465 SER C 83 REMARK 465 THR C 84 REMARK 465 GLY C 85 REMARK 465 SER C 86 REMARK 465 VAL C 87 REMARK 465 GLY C 88 REMARK 465 SER C 89 REMARK 465 SER C 90 REMARK 465 ALA C 91 REMARK 465 ARG C 92 REMARK 465 HIS C 93 REMARK 465 ASN C 94 REMARK 465 LYS C 95 REMARK 465 GLY C 96 REMARK 465 TYR C 97 REMARK 465 GLY C 98 REMARK 465 GLU C 99 REMARK 465 TYR C 100 REMARK 465 GLY C 101 REMARK 465 GLU C 102 REMARK 465 ARG C 103 REMARK 465 SER C 104 REMARK 465 LYS C 105 REMARK 465 LEU C 106 REMARK 465 ASP C 107 REMARK 465 ASP C 108 REMARK 465 SER C 109 REMARK 465 ARG C 110 REMARK 465 PHE C 111 REMARK 465 ASP C 112 REMARK 465 LYS C 113 REMARK 465 LYS C 114 REMARK 465 SER C 115 REMARK 465 HIS C 116 REMARK 465 LEU C 117 REMARK 465 SER C 118 REMARK 465 GLY C 119 REMARK 465 GLY C 120 REMARK 465 ARG C 121 REMARK 465 PHE C 122 REMARK 465 LYS C 123 REMARK 465 LYS C 124 REMARK 465 LYS C 125 REMARK 465 ASP C 126 REMARK 465 TYR C 127 REMARK 465 MET D 1 REMARK 465 TRP D 2 REMARK 465 ARG D 3 REMARK 465 LYS D 4 REMARK 465 LEU D 5 REMARK 465 MET D 6 REMARK 465 GLY D 7 REMARK 465 GLU D 8 REMARK 465 GLY D 85 REMARK 465 SER D 86 REMARK 465 VAL D 87 REMARK 465 GLY D 88 REMARK 465 SER D 89 REMARK 465 SER D 90 REMARK 465 ALA D 91 REMARK 465 ARG D 92 REMARK 465 HIS D 93 REMARK 465 ASN D 94 REMARK 465 LYS D 95 REMARK 465 GLY D 96 REMARK 465 TYR D 97 REMARK 465 GLY D 98 REMARK 465 GLU D 99 REMARK 465 TYR D 100 REMARK 465 GLY D 101 REMARK 465 GLU D 102 REMARK 465 ARG D 103 REMARK 465 SER D 104 REMARK 465 LYS D 105 REMARK 465 LEU D 106 REMARK 465 ASP D 107 REMARK 465 ASP D 108 REMARK 465 SER D 109 REMARK 465 ARG D 110 REMARK 465 PHE D 111 REMARK 465 ASP D 112 REMARK 465 LYS D 113 REMARK 465 LYS D 114 REMARK 465 SER D 115 REMARK 465 HIS D 116 REMARK 465 LEU D 117 REMARK 465 SER D 118 REMARK 465 GLY D 119 REMARK 465 GLY D 120 REMARK 465 ARG D 121 REMARK 465 PHE D 122 REMARK 465 LYS D 123 REMARK 465 LYS D 124 REMARK 465 LYS D 125 REMARK 465 ASP D 126 REMARK 465 TYR D 127 REMARK 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 ARG B 46 CG CD NE CZ NH1 NH2 REMARK 480 LYS C 81 CD CE NZ REMARK 480 VAL C 82 CB 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 GLU C 61 -49.64 -25.54 REMARK 500 GLU D 22 -9.19 -55.70 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 128 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR A 19 O REMARK 620 2 SER A 21 O 87.4 REMARK 620 3 HOH A 130 O 75.4 73.9 REMARK 620 4 HOH A 131 O 88.5 135.1 146.7 REMARK 620 N 1 2 3 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 128 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EDO A 129 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EDO B 128 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3N8B RELATED DB: PDB REMARK 900 SELENOMETHIONINE-DERIVATIZED PROTEIN BORRELIA BURGDORFERI PUR-ALPHA REMARK 900 8-105 L17M F27M I64M REMARK 900 RELATED ID: 3K44 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF DROSOPHILA MELANOGASTER PUR-ALPHA DBREF 3NM7 A 1 127 UNP O51076 O51076_BORBU 1 127 DBREF 3NM7 B 1 127 UNP O51076 O51076_BORBU 1 127 DBREF 3NM7 C 1 127 UNP O51076 O51076_BORBU 1 127 DBREF 3NM7 D 1 127 UNP O51076 O51076_BORBU 1 127 SEQRES 1 A 127 MET TRP ARG LYS LEU MET GLY GLU ARG GLY GLU VAL TYR SEQRES 2 A 127 SER GLU LYS LEU PHE THR GLU SER GLU ARG THR TYR PHE SEQRES 3 A 127 PHE ASN VAL LYS GLU ASN ARG LYS GLY ASP TYR PHE LEU SEQRES 4 A 127 ASN ILE VAL GLU SER LYS ARG SER PRO SER GLY ASP PHE SEQRES 5 A 127 GLU ARG HIS SER ILE PHE VAL TYR GLU GLU ASN ILE ASN SEQRES 6 A 127 GLU PHE GLU SER ASN LEU LEU LYS ALA ILE ALA VAL ILE SEQRES 7 A 127 LYS GLN LYS VAL SER THR GLY SER VAL GLY SER SER ALA SEQRES 8 A 127 ARG HIS ASN LYS GLY TYR GLY GLU TYR GLY GLU ARG SER SEQRES 9 A 127 LYS LEU ASP ASP SER ARG PHE ASP LYS LYS SER HIS LEU SEQRES 10 A 127 SER GLY GLY ARG PHE LYS LYS LYS ASP TYR SEQRES 1 B 127 MET TRP ARG LYS LEU MET GLY GLU ARG GLY GLU VAL TYR SEQRES 2 B 127 SER GLU LYS LEU PHE THR GLU SER GLU ARG THR TYR PHE SEQRES 3 B 127 PHE ASN VAL LYS GLU ASN ARG LYS GLY ASP TYR PHE LEU SEQRES 4 B 127 ASN ILE VAL GLU SER LYS ARG SER PRO SER GLY ASP PHE SEQRES 5 B 127 GLU ARG HIS SER ILE PHE VAL TYR GLU GLU ASN ILE ASN SEQRES 6 B 127 GLU PHE GLU SER ASN LEU LEU LYS ALA ILE ALA VAL ILE SEQRES 7 B 127 LYS GLN LYS VAL SER THR GLY SER VAL GLY SER SER ALA SEQRES 8 B 127 ARG HIS ASN LYS GLY TYR GLY GLU TYR GLY GLU ARG SER SEQRES 9 B 127 LYS LEU ASP ASP SER ARG PHE ASP LYS LYS SER HIS LEU SEQRES 10 B 127 SER GLY GLY ARG PHE LYS LYS LYS ASP TYR SEQRES 1 C 127 MET TRP ARG LYS LEU MET GLY GLU ARG GLY GLU VAL TYR SEQRES 2 C 127 SER GLU LYS LEU PHE THR GLU SER GLU ARG THR TYR PHE SEQRES 3 C 127 PHE ASN VAL LYS GLU ASN ARG LYS GLY ASP TYR PHE LEU SEQRES 4 C 127 ASN ILE VAL GLU SER LYS ARG SER PRO SER GLY ASP PHE SEQRES 5 C 127 GLU ARG HIS SER ILE PHE VAL TYR GLU GLU ASN ILE ASN SEQRES 6 C 127 GLU PHE GLU SER ASN LEU LEU LYS ALA ILE ALA VAL ILE SEQRES 7 C 127 LYS GLN LYS VAL SER THR GLY SER VAL GLY SER SER ALA SEQRES 8 C 127 ARG HIS ASN LYS GLY TYR GLY GLU TYR GLY GLU ARG SER SEQRES 9 C 127 LYS LEU ASP ASP SER ARG PHE ASP LYS LYS SER HIS LEU SEQRES 10 C 127 SER GLY GLY ARG PHE LYS LYS LYS ASP TYR SEQRES 1 D 127 MET TRP ARG LYS LEU MET GLY GLU ARG GLY GLU VAL TYR SEQRES 2 D 127 SER GLU LYS LEU PHE THR GLU SER GLU ARG THR TYR PHE SEQRES 3 D 127 PHE ASN VAL LYS GLU ASN ARG LYS GLY ASP TYR PHE LEU SEQRES 4 D 127 ASN ILE VAL GLU SER LYS ARG SER PRO SER GLY ASP PHE SEQRES 5 D 127 GLU ARG HIS SER ILE PHE VAL TYR GLU GLU ASN ILE ASN SEQRES 6 D 127 GLU PHE GLU SER ASN LEU LEU LYS ALA ILE ALA VAL ILE SEQRES 7 D 127 LYS GLN LYS VAL SER THR GLY SER VAL GLY SER SER ALA SEQRES 8 D 127 ARG HIS ASN LYS GLY TYR GLY GLU TYR GLY GLU ARG SER SEQRES 9 D 127 LYS LEU ASP ASP SER ARG PHE ASP LYS LYS SER HIS LEU SEQRES 10 D 127 SER GLY GLY ARG PHE LYS LYS LYS ASP TYR HET MG A 128 1 HET EDO A 129 4 HET EDO B 128 4 HETNAM MG MAGNESIUM ION HETNAM EDO 1,2-ETHANEDIOL HETSYN EDO ETHYLENE GLYCOL FORMUL 5 MG MG 2+ FORMUL 6 EDO 2(C2 H6 O2) FORMUL 8 HOH *155(H2 O) HELIX 1 1 ASN A 63 VAL A 82 1 20 HELIX 2 2 ASN B 63 SER B 83 1 21 HELIX 3 3 ASN C 63 LYS C 81 1 19 HELIX 4 4 ASN D 63 SER D 83 1 21 SHEET 1 A 4 GLU A 11 LEU A 17 0 SHEET 2 A 4 ARG A 23 GLU A 31 -1 O TYR A 25 N LEU A 17 SHEET 3 A 4 TYR A 37 ARG A 46 -1 O SER A 44 N THR A 24 SHEET 4 A 4 PHE A 52 TYR A 60 -1 O VAL A 59 N LEU A 39 SHEET 1 B 4 TYR B 13 LEU B 17 0 SHEET 2 B 4 ARG B 23 GLU B 31 -1 O TYR B 25 N LEU B 17 SHEET 3 B 4 TYR B 37 ARG B 46 -1 O SER B 44 N THR B 24 SHEET 4 B 4 PHE B 52 TYR B 60 -1 O GLU B 53 N LYS B 45 SHEET 1 C 4 GLU C 11 LEU C 17 0 SHEET 2 C 4 ARG C 23 GLU C 31 -1 O TYR C 25 N LEU C 17 SHEET 3 C 4 TYR C 37 ARG C 46 -1 O SER C 44 N THR C 24 SHEET 4 C 4 PHE C 52 TYR C 60 -1 O VAL C 59 N LEU C 39 SHEET 1 D 4 GLU D 11 LEU D 17 0 SHEET 2 D 4 ARG D 23 GLU D 31 -1 O PHE D 27 N GLU D 15 SHEET 3 D 4 TYR D 37 ARG D 46 -1 O SER D 44 N THR D 24 SHEET 4 D 4 PHE D 52 TYR D 60 -1 O GLU D 53 N LYS D 45 LINK O THR A 19 MG MG A 128 1555 1555 2.29 LINK O SER A 21 MG MG A 128 1555 1555 2.61 LINK MG MG A 128 O HOH A 130 1555 1555 2.52 LINK MG MG A 128 O HOH A 131 1555 1555 2.43 SITE 1 AC1 6 THR A 19 SER A 21 HOH A 130 HOH A 131 SITE 2 AC1 6 THR C 19 SER C 21 SITE 1 AC2 3 ASN A 63 GLU A 66 GLU B 20 SITE 1 AC3 4 GLU A 66 LEU B 17 PHE B 18 HOH B 269 CRYST1 47.790 57.750 142.310 90.00 90.00 90.00 P 21 21 21 16 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 0.020925 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017316 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007027 0.00000