HEADER NUCLEIC ACID BINDING PROTEIN 28-MAY-10 3N8B TITLE CRYSTAL STRUCTURE OF BORRELIA BURGDORFERI PUR-ALPHA COMPND MOL_ID: 1; COMPND 2 MOLECULE: UNCHARACTERIZED PROTEIN; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: PUR-ALPHA RESIDUES 8-105; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: 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: 469008; 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, WHIRLY FOLD, RNA BINDING, DNA KEYWDS 2 BINDING, NUCLEIC ACID BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR A.GRAEBSCH,S.ROCHE,D.KOSTREWA,D.NIESSING REVDAT 4 28-FEB-18 3N8B 1 REMARK REVDAT 3 19-JUN-13 3N8B 1 JRNL VERSN REVDAT 2 27-OCT-10 3N8B 1 JRNL REVDAT 1 06-OCT-10 3N8B 0 JRNL AUTH A.GRAEBSCH,S.ROCHE,D.KOSTREWA,J.SODING,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 JRNL PMID 20976240 JRNL DOI 10.1371/JOURNAL.PONE.0013402 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. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.5.0109 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) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 37.39 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.3 REMARK 3 NUMBER OF REFLECTIONS : 30605 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) : 0.187 REMARK 3 R VALUE (WORKING SET) : 0.185 REMARK 3 FREE R VALUE : 0.232 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 816 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) : 1.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.95 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1145 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 98.11 REMARK 3 BIN R VALUE (WORKING SET) : 0.2260 REMARK 3 BIN FREE R VALUE SET COUNT : 50 REMARK 3 BIN FREE R VALUE : 0.3190 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1249 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 18 REMARK 3 SOLVENT ATOMS : 149 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 25.30 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 23.75 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 2.02000 REMARK 3 B22 (A**2) : -0.75000 REMARK 3 B33 (A**2) : -1.27000 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): 0.140 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.138 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.095 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.187 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.950 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.921 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1335 ; 0.010 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1790 ; 1.169 ; 1.954 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 166 ; 4.984 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 76 ;31.379 ;24.737 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 264 ;14.896 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 9 ; 9.877 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 184 ; 0.088 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1021 ; 0.005 ; 0.020 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 ; 1.057 ; 2.000 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1254 ; 2.017 ; 3.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 566 ; 2.969 ; 4.500 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 526 ; 4.901 ; 6.000 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 : 1.20 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 4 REMARK 4 3N8B COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 07-JUN-10. REMARK 100 THE DEPOSITION ID IS D_1000059506. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 20-MAY-08 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SLS REMARK 200 BEAMLINE : X06SA REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : 0.9792 REMARK 200 MONOCHROMATOR : SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : PSI PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XSCALE REMARK 200 DATA SCALING SOFTWARE : SCALA, XSCALE REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 30605 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 70.946 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 5.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.7 REMARK 200 DATA REDUNDANCY : 3.500 REMARK 200 R MERGE (I) : 0.09700 REMARK 200 R SYM (I) : 0.08200 REMARK 200 FOR THE DATA SET : 12.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.01 REMARK 200 COMPLETENESS FOR SHELL (%) : 95.5 REMARK 200 DATA REDUNDANCY IN SHELL : 3.50 REMARK 200 R MERGE FOR SHELL (I) : 0.42000 REMARK 200 R SYM FOR SHELL (I) : 0.35000 REMARK 200 FOR SHELL : 5.300 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD REMARK 200 SOFTWARE USED: SHELX, SHELXD REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.75 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.19 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 125 MM NACL, 10 MM HEPES PH 8.0, 2.8 M REMARK 280 SODIUM FORMATE, EQUIMOLAR ADDITION OF DNA OLIGONUCLEOTIDE 5'AGG REMARK 280 GTT AGG GTT-3' (NOT VISIBLE IN STRUCTURE), VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 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 5555 X+1/2,Y+1/2,Z+1/2 REMARK 290 6555 -X,-Y+1/2,Z REMARK 290 7555 -X+1/2,Y,-Z REMARK 290 8555 X,-Y,-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 24.35500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 70.92000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 29.16500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 70.92000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 24.35500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 29.16500 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 24.35500 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 29.16500 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 70.92000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 29.16500 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 24.35500 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 70.92000 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: 4330 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 9080 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -27.0 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 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 MG MG A 108 LIES ON A SPECIAL POSITION. REMARK 375 MG MG B 106 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 SER A 83 REMARK 465 THR A 84 REMARK 465 GLY A 85 REMARK 465 SER A 86 REMARK 465 VAL A 87 REMARK 465 GLY A 88 REMARK 465 SER A 89 REMARK 465 SER A 90 REMARK 465 ALA A 91 REMARK 465 ARG A 92 REMARK 465 HIS A 93 REMARK 465 ASN A 94 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 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 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 GLU B 11 CG CD OE1 OE2 REMARK 480 LYS B 34 CB CG CD CE NZ 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 SER A 49 N - CA - CB ANGL. DEV. = -23.8 DEGREES REMARK 500 SER A 49 N - CA - C ANGL. DEV. = 22.0 DEGREES 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 108 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR A 19 O REMARK 620 2 SER A 21 O 93.6 REMARK 620 3 HOH A 2 O 77.8 82.5 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 106 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 SER B 21 O REMARK 620 2 THR B 19 O 87.3 REMARK 620 3 HOH B 112 O 84.0 86.7 REMARK 620 N 1 2 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EDO A 1 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EDO A 106 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EDO A 107 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 108 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EDO B 1 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 106 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3K44 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF DROSOPHILA MELANOGASTER PUR-ALPHA DBREF 3N8B A 8 105 UNP O51076 O51076_BORBU 8 105 DBREF 3N8B B 8 105 UNP O51076 O51076_BORBU 8 105 SEQADV 3N8B MSE A 17 UNP O51076 LEU 17 ENGINEERED MUTATION SEQADV 3N8B MSE A 27 UNP O51076 PHE 27 ENGINEERED MUTATION SEQADV 3N8B MSE A 64 UNP O51076 ILE 64 ENGINEERED MUTATION SEQADV 3N8B MSE B 17 UNP O51076 LEU 17 ENGINEERED MUTATION SEQADV 3N8B MSE B 27 UNP O51076 PHE 27 ENGINEERED MUTATION SEQADV 3N8B MSE B 64 UNP O51076 ILE 64 ENGINEERED MUTATION SEQRES 1 A 98 GLU ARG GLY GLU VAL TYR SER GLU LYS MSE PHE THR GLU SEQRES 2 A 98 SER GLU ARG THR TYR PHE MSE ASN VAL LYS GLU ASN ARG SEQRES 3 A 98 LYS GLY ASP TYR PHE LEU ASN ILE VAL GLU SER LYS ARG SEQRES 4 A 98 SER PRO SER GLY ASP PHE GLU ARG HIS SER ILE PHE VAL SEQRES 5 A 98 TYR GLU GLU ASN MSE ASN GLU PHE GLU SER ASN LEU LEU SEQRES 6 A 98 LYS ALA ILE ALA VAL ILE LYS GLN LYS VAL SER THR GLY SEQRES 7 A 98 SER VAL GLY SER SER ALA ARG HIS ASN LYS GLY TYR GLY SEQRES 8 A 98 GLU TYR GLY GLU ARG SER LYS SEQRES 1 B 98 GLU ARG GLY GLU VAL TYR SER GLU LYS MSE PHE THR GLU SEQRES 2 B 98 SER GLU ARG THR TYR PHE MSE ASN VAL LYS GLU ASN ARG SEQRES 3 B 98 LYS GLY ASP TYR PHE LEU ASN ILE VAL GLU SER LYS ARG SEQRES 4 B 98 SER PRO SER GLY ASP PHE GLU ARG HIS SER ILE PHE VAL SEQRES 5 B 98 TYR GLU GLU ASN MSE ASN GLU PHE GLU SER ASN LEU LEU SEQRES 6 B 98 LYS ALA ILE ALA VAL ILE LYS GLN LYS VAL SER THR GLY SEQRES 7 B 98 SER VAL GLY SER SER ALA ARG HIS ASN LYS GLY TYR GLY SEQRES 8 B 98 GLU TYR GLY GLU ARG SER LYS MODRES 3N8B MSE A 17 MET SELENOMETHIONINE MODRES 3N8B MSE A 27 MET SELENOMETHIONINE MODRES 3N8B MSE A 64 MET SELENOMETHIONINE MODRES 3N8B MSE B 17 MET SELENOMETHIONINE MODRES 3N8B MSE B 27 MET SELENOMETHIONINE MODRES 3N8B MSE B 64 MET SELENOMETHIONINE HET MSE A 17 8 HET MSE A 27 13 HET MSE A 64 8 HET MSE B 17 8 HET MSE B 27 13 HET MSE B 64 8 HET EDO A 1 4 HET EDO A 106 4 HET EDO A 107 4 HET MG A 108 1 HET EDO B 1 4 HET MG B 106 1 HETNAM MSE SELENOMETHIONINE HETNAM EDO 1,2-ETHANEDIOL HETNAM MG MAGNESIUM ION HETSYN EDO ETHYLENE GLYCOL FORMUL 1 MSE 6(C5 H11 N O2 SE) FORMUL 3 EDO 4(C2 H6 O2) FORMUL 6 MG 2(MG 2+) FORMUL 9 HOH *149(H2 O) HELIX 1 1 ASN A 63 LYS A 81 1 19 HELIX 2 2 ASN B 63 THR B 84 1 22 SHEET 1 A 4 GLU A 11 MSE A 17 0 SHEET 2 A 4 ARG A 23 GLU A 31 -1 O TYR A 25 N MSE A 17 SHEET 3 A 4 TYR A 37 ARG A 46 -1 O ASN A 40 N ASN A 28 SHEET 4 A 4 PHE A 52 TYR A 60 -1 O GLU A 53 N LYS A 45 SHEET 1 B 4 TYR B 13 MSE B 17 0 SHEET 2 B 4 ARG B 23 GLU B 31 -1 O TYR B 25 N MSE 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 HIS B 55 N GLU B 43 LINK C LYS A 16 N MSE A 17 1555 1555 1.32 LINK C MSE A 17 N PHE A 18 1555 1555 1.34 LINK C PHE A 26 N MSE A 27 1555 1555 1.33 LINK C MSE A 27 N ASN A 28 1555 1555 1.33 LINK C ASN A 63 N MSE A 64 1555 1555 1.33 LINK C MSE A 64 N ASN A 65 1555 1555 1.33 LINK C LYS B 16 N MSE B 17 1555 1555 1.32 LINK C MSE B 17 N PHE B 18 1555 1555 1.33 LINK C PHE B 26 N MSE B 27 1555 1555 1.33 LINK C MSE B 27 N ASN B 28 1555 1555 1.33 LINK C ASN B 63 N MSE B 64 1555 1555 1.34 LINK C MSE B 64 N ASN B 65 1555 1555 1.34 LINK O THR A 19 MG MG A 108 1555 1555 2.31 LINK O SER A 21 MG MG A 108 1555 1555 2.38 LINK O SER B 21 MG MG B 106 1555 1555 2.36 LINK O THR B 19 MG MG B 106 1555 1555 2.48 LINK MG MG B 106 O HOH B 112 1555 1555 2.61 LINK MG MG A 108 O HOH A 2 1555 1555 2.64 SITE 1 AC1 5 ARG A 33 EDO B 1 SER B 21 GLU B 22 SITE 2 AC1 5 ARG B 23 SITE 1 AC2 9 GLU A 61 GLU A 62 ASN A 63 MSE A 64 SITE 2 AC2 9 ASN A 65 GLU A 66 HOH A 114 HOH A 141 SITE 3 AC2 9 HOH A 180 SITE 1 AC3 4 TYR A 13 SER A 14 GLU A 15 HOH A 183 SITE 1 AC4 3 HOH A 2 THR A 19 SER A 21 SITE 1 AC5 7 EDO A 1 ARG A 33 LYS A 34 HOH A 112 SITE 2 AC5 7 HOH A 166 ARG B 46 PRO B 48 SITE 1 AC6 3 THR B 19 SER B 21 HOH B 112 CRYST1 48.710 58.330 141.840 90.00 90.00 90.00 I 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 0.020530 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017144 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007050 0.00000