HEADER TRANSFERASE 19-JUN-03 1PR5 TITLE ESCHERICHIA COLI PURINE NUCLEOSIDE PHOSPHORYLASE COMPLEXED WITH 7- TITLE 2 DEAZAADENOSINE AND PHOSPHATE/SULFATE COMPND MOL_ID: 1; COMPND 2 MOLECULE: PURINE NUCLEOSIDE PHOSPHORYLASE DEOD-TYPE; COMPND 3 CHAIN: A, B, C; COMPND 4 SYNONYM: PNP; COMPND 5 EC: 2.4.2.1 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI O157:H7; SOURCE 3 ORGANISM_TAXID: 83334 KEYWDS PROTEIN-NUCLEOSIDE COMPLEX, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR E.M.BENNETT,C.LI,P.W.ALLAN,W.B.PARKER,S.E.EALICK REVDAT 5 16-AUG-23 1PR5 1 REMARK REVDAT 4 11-DEC-19 1PR5 1 COMPND SOURCE DBREF REVDAT 3 13-JUL-11 1PR5 1 VERSN REVDAT 2 24-FEB-09 1PR5 1 VERSN REVDAT 1 25-NOV-03 1PR5 0 JRNL AUTH E.M.BENNETT,C.LI,P.W.ALLAN,W.B.PARKER,S.E.EALICK JRNL TITL STRUCTURAL BASIS FOR SUBSTRATE SPECIFICITY OF ESCHERICHIA JRNL TITL 2 COLI PURINE NUCLEOSIDE PHOSPHORYLASE. JRNL REF J.BIOL.CHEM. V. 278 47110 2003 JRNL REFN ISSN 0021-9258 JRNL PMID 12937174 JRNL DOI 10.1074/JBC.M304622200 REMARK 2 REMARK 2 RESOLUTION. 2.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.0 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) : 2.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 6.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 27371 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) : 0.207 REMARK 3 FREE R VALUE : 0.259 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 1505 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 5288 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 72 REMARK 3 SOLVENT ATOMS : 106 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : NULL REMARK 3 BOND ANGLES (DEGREES) : NULL REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL 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 : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : NULL 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 1PR5 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-JUN-03. REMARK 100 THE DEPOSITION ID IS D_1000019526. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-OCT-96 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.4 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : CHESS REMARK 200 BEAMLINE : F1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97 REMARK 200 MONOCHROMATOR : SI 111 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 : 27371 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.500 REMARK 200 RESOLUTION RANGE LOW (A) : 6.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 81.3 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL 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) : 2.50 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.58 REMARK 200 COMPLETENESS FOR SHELL (%) : 43.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL 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: X-PLOR REMARK 200 STARTING MODEL: PDB ENTRY 1ECP REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 62.04 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.24 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: CITRATE, AMMONIUM SULFATE, PH 5.4, REMARK 280 VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 2 2 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 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+5/6 REMARK 290 6555 X-Y,X,Z+1/6 REMARK 290 7555 Y,X,-Z+1/3 REMARK 290 8555 X-Y,-Y,-Z REMARK 290 9555 -X,-X+Y,-Z+2/3 REMARK 290 10555 -Y,-X,-Z+5/6 REMARK 290 11555 -X+Y,Y,-Z+1/2 REMARK 290 12555 X,X-Y,-Z+1/6 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 79.96667 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 159.93333 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 119.95000 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 199.91667 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 39.98333 REMARK 290 SMTRY1 7 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 7 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 79.96667 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 0.00000 REMARK 290 SMTRY1 9 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 9 0.000000 0.000000 -1.000000 159.93333 REMARK 290 SMTRY1 10 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 10 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 199.91667 REMARK 290 SMTRY1 11 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 11 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 119.95000 REMARK 290 SMTRY1 12 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 12 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 39.98333 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 HEXAMER IS GENERATED FROM THE TRIMER IN THE REMARK 300 PDB FILE BY THE FOLLOWING OPERATOR: X,X-Y,1/6-Z 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: HEXAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: HEXAMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 26310 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 42650 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -160.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C 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 0.500000 0.866025 0.000000 0.00000 REMARK 350 BIOMT2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 39.98333 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 C1270 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 0 REMARK 465 ARG A 207 REMARK 465 THR A 208 REMARK 465 HIS A 209 REMARK 465 GLU A 210 REMARK 465 GLN A 211 REMARK 465 THR A 212 REMARK 465 GLU A 238 REMARK 465 MET B 0 REMARK 465 THR B 208 REMARK 465 HIS B 209 REMARK 465 GLU B 210 REMARK 465 GLN B 211 REMARK 465 GLU B 238 REMARK 465 MET C 0 REMARK 465 GLU C 238 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 LYS A 237 O CG CD CE NZ REMARK 470 LYS B 237 O CG CD CE NZ REMARK 470 LYS C 237 O CG CD CE NZ REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH A 1262 O HOH A 1262 12555 1.71 REMARK 500 REMARK 500 REMARK: NULL 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 3 -34.57 -38.31 REMARK 500 ASN A 41 3.24 -160.56 REMARK 500 ARG A 101 -8.98 79.89 REMARK 500 GLU A 179 -158.43 -133.89 REMARK 500 GLU A 181 -21.64 -149.52 REMARK 500 VAL A 202 109.98 -57.01 REMARK 500 ASP A 204 166.53 179.49 REMARK 500 HIS A 205 69.11 -102.98 REMARK 500 GLU A 216 -64.95 -91.58 REMARK 500 ARG A 217 -102.24 -59.93 REMARK 500 GLN A 218 70.65 -53.40 REMARK 500 THR A 219 -126.74 167.56 REMARK 500 ASN B 41 28.80 -176.14 REMARK 500 ARG B 101 4.57 81.05 REMARK 500 GLU B 179 -154.17 -136.95 REMARK 500 GLU B 181 -12.06 -152.44 REMARK 500 ASN C 41 9.33 -168.44 REMARK 500 GLU C 181 -14.02 -154.99 REMARK 500 THR C 208 -116.68 -140.46 REMARK 500 GLN C 211 -166.31 -106.10 REMARK 500 GLN C 218 -48.00 -146.87 REMARK 500 THR C 220 -126.70 13.70 REMARK 500 PHE C 221 16.44 43.55 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 TYR C 173 0.07 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 1248 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 B 1249 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 C 1250 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TBN A 1245 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TBN B 1246 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TBN C 1247 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1ECP RELATED DB: PDB REMARK 900 E COLI PNP REMARK 900 RELATED ID: 1K9S RELATED DB: PDB REMARK 900 E COLI PNP WITH FORMYCIN A ANALOG REMARK 900 RELATED ID: 1PK7 RELATED DB: PDB REMARK 900 E COLI PNP WITH ADENOSINE REMARK 900 RELATED ID: 1PR0 RELATED DB: PDB REMARK 900 ESCHERICHIA COLI PURINE NUCLEOSIDE PHOSPHORYLASE COMPLEXED WITH REMARK 900 INOSINE AND PHOSPHATE/SULFATE REMARK 900 RELATED ID: 1PR1 RELATED DB: PDB REMARK 900 ESCHERICHIA COLI PURINE NUCLEOSIDE PHOSPHORYLASE COMPLEXED WITH REMARK 900 FORMYCIN B AND PHOSPHATE/SULFATE REMARK 900 RELATED ID: 1PR2 RELATED DB: PDB REMARK 900 ESCHERICHIA COLI PURINE NUCLEOSIDE PHOSPHORYLASE COMPLEXED WITH 9- REMARK 900 BETA-D-[2-DEOXYRIBOFURANOSYL]-6-METHYLPURINE AND PHOSPHATE/SULFATE REMARK 900 RELATED ID: 1PR4 RELATED DB: PDB REMARK 900 ESCHERICHIA COLI PURINE NUCLEOSIDE PHOSPHORYLASE COMPLEXED WITH 9- REMARK 900 BETA-D-RIBOFURANOSYL-6-METHYLTHIOPURINE AND PHOSPHATE/SULFATE REMARK 900 RELATED ID: 1PR6 RELATED DB: PDB REMARK 900 ESCHERICHIA COLI PURINE NUCLEOSIDE PHOSPHORYLASE COMPLEXED WITH 9- REMARK 900 BETA-D-XYLOFURANOSYLADENINE AND PHOSPHATE/SULFATE DBREF 1PR5 A 0 238 UNP P0ABP9 DEOD_ECO57 1 239 DBREF 1PR5 B 0 238 UNP P0ABP9 DEOD_ECO57 1 239 DBREF 1PR5 C 0 238 UNP P0ABP9 DEOD_ECO57 1 239 SEQRES 1 A 239 MET ALA THR PRO HIS ILE ASN ALA GLU MET GLY ASP PHE SEQRES 2 A 239 ALA ASP VAL VAL LEU MET PRO GLY ASP PRO LEU ARG ALA SEQRES 3 A 239 LYS TYR ILE ALA GLU THR PHE LEU GLU ASP ALA ARG GLU SEQRES 4 A 239 VAL ASN ASN VAL ARG GLY MET LEU GLY PHE THR GLY THR SEQRES 5 A 239 TYR LYS GLY ARG LYS ILE SER VAL MET GLY HIS GLY MET SEQRES 6 A 239 GLY ILE PRO SER CYS SER ILE TYR THR LYS GLU LEU ILE SEQRES 7 A 239 THR ASP PHE GLY VAL LYS LYS ILE ILE ARG VAL GLY SER SEQRES 8 A 239 CYS GLY ALA VAL LEU PRO HIS VAL LYS LEU ARG ASP VAL SEQRES 9 A 239 VAL ILE GLY MET GLY ALA CYS THR ASP SER LYS VAL ASN SEQRES 10 A 239 ARG ILE ARG PHE LYS ASP HIS ASP PHE ALA ALA ILE ALA SEQRES 11 A 239 ASP PHE ASP MET VAL ARG ASN ALA VAL ASP ALA ALA LYS SEQRES 12 A 239 ALA LEU GLY ILE ASP ALA ARG VAL GLY ASN LEU PHE SER SEQRES 13 A 239 ALA ASP LEU PHE TYR SER PRO ASP GLY GLU MET PHE ASP SEQRES 14 A 239 VAL MET GLU LYS TYR GLY ILE LEU GLY VAL GLU MET GLU SEQRES 15 A 239 ALA ALA GLY ILE TYR GLY VAL ALA ALA GLU PHE GLY ALA SEQRES 16 A 239 LYS ALA LEU THR ILE CYS THR VAL SER ASP HIS ILE ARG SEQRES 17 A 239 THR HIS GLU GLN THR THR ALA ALA GLU ARG GLN THR THR SEQRES 18 A 239 PHE ASN ASP MET ILE LYS ILE ALA LEU GLU SER VAL LEU SEQRES 19 A 239 LEU GLY ASP LYS GLU SEQRES 1 B 239 MET ALA THR PRO HIS ILE ASN ALA GLU MET GLY ASP PHE SEQRES 2 B 239 ALA ASP VAL VAL LEU MET PRO GLY ASP PRO LEU ARG ALA SEQRES 3 B 239 LYS TYR ILE ALA GLU THR PHE LEU GLU ASP ALA ARG GLU SEQRES 4 B 239 VAL ASN ASN VAL ARG GLY MET LEU GLY PHE THR GLY THR SEQRES 5 B 239 TYR LYS GLY ARG LYS ILE SER VAL MET GLY HIS GLY MET SEQRES 6 B 239 GLY ILE PRO SER CYS SER ILE TYR THR LYS GLU LEU ILE SEQRES 7 B 239 THR ASP PHE GLY VAL LYS LYS ILE ILE ARG VAL GLY SER SEQRES 8 B 239 CYS GLY ALA VAL LEU PRO HIS VAL LYS LEU ARG ASP VAL SEQRES 9 B 239 VAL ILE GLY MET GLY ALA CYS THR ASP SER LYS VAL ASN SEQRES 10 B 239 ARG ILE ARG PHE LYS ASP HIS ASP PHE ALA ALA ILE ALA SEQRES 11 B 239 ASP PHE ASP MET VAL ARG ASN ALA VAL ASP ALA ALA LYS SEQRES 12 B 239 ALA LEU GLY ILE ASP ALA ARG VAL GLY ASN LEU PHE SER SEQRES 13 B 239 ALA ASP LEU PHE TYR SER PRO ASP GLY GLU MET PHE ASP SEQRES 14 B 239 VAL MET GLU LYS TYR GLY ILE LEU GLY VAL GLU MET GLU SEQRES 15 B 239 ALA ALA GLY ILE TYR GLY VAL ALA ALA GLU PHE GLY ALA SEQRES 16 B 239 LYS ALA LEU THR ILE CYS THR VAL SER ASP HIS ILE ARG SEQRES 17 B 239 THR HIS GLU GLN THR THR ALA ALA GLU ARG GLN THR THR SEQRES 18 B 239 PHE ASN ASP MET ILE LYS ILE ALA LEU GLU SER VAL LEU SEQRES 19 B 239 LEU GLY ASP LYS GLU SEQRES 1 C 239 MET ALA THR PRO HIS ILE ASN ALA GLU MET GLY ASP PHE SEQRES 2 C 239 ALA ASP VAL VAL LEU MET PRO GLY ASP PRO LEU ARG ALA SEQRES 3 C 239 LYS TYR ILE ALA GLU THR PHE LEU GLU ASP ALA ARG GLU SEQRES 4 C 239 VAL ASN ASN VAL ARG GLY MET LEU GLY PHE THR GLY THR SEQRES 5 C 239 TYR LYS GLY ARG LYS ILE SER VAL MET GLY HIS GLY MET SEQRES 6 C 239 GLY ILE PRO SER CYS SER ILE TYR THR LYS GLU LEU ILE SEQRES 7 C 239 THR ASP PHE GLY VAL LYS LYS ILE ILE ARG VAL GLY SER SEQRES 8 C 239 CYS GLY ALA VAL LEU PRO HIS VAL LYS LEU ARG ASP VAL SEQRES 9 C 239 VAL ILE GLY MET GLY ALA CYS THR ASP SER LYS VAL ASN SEQRES 10 C 239 ARG ILE ARG PHE LYS ASP HIS ASP PHE ALA ALA ILE ALA SEQRES 11 C 239 ASP PHE ASP MET VAL ARG ASN ALA VAL ASP ALA ALA LYS SEQRES 12 C 239 ALA LEU GLY ILE ASP ALA ARG VAL GLY ASN LEU PHE SER SEQRES 13 C 239 ALA ASP LEU PHE TYR SER PRO ASP GLY GLU MET PHE ASP SEQRES 14 C 239 VAL MET GLU LYS TYR GLY ILE LEU GLY VAL GLU MET GLU SEQRES 15 C 239 ALA ALA GLY ILE TYR GLY VAL ALA ALA GLU PHE GLY ALA SEQRES 16 C 239 LYS ALA LEU THR ILE CYS THR VAL SER ASP HIS ILE ARG SEQRES 17 C 239 THR HIS GLU GLN THR THR ALA ALA GLU ARG GLN THR THR SEQRES 18 C 239 PHE ASN ASP MET ILE LYS ILE ALA LEU GLU SER VAL LEU SEQRES 19 C 239 LEU GLY ASP LYS GLU HET PO4 A1248 5 HET TBN A1245 19 HET PO4 B1249 5 HET TBN B1246 19 HET PO4 C1250 5 HET TBN C1247 19 HETNAM PO4 PHOSPHATE ION HETNAM TBN '2-(4-AMINO-PYRROLO[2,3-D]PYRIMIDIN-7-YL)-5- HETNAM 2 TBN HYDROXYMETHYL-TETRAHYDRO-FURAN-3,4-DIOL HETSYN TBN 7-DEAZAADENOSINE FORMUL 4 PO4 3(O4 P 3-) FORMUL 5 TBN 3(C11 H14 N4 O4) FORMUL 10 HOH *106(H2 O) HELIX 1 1 ASP A 21 PHE A 32 1 12 HELIX 2 2 GLY A 65 PHE A 80 1 16 HELIX 3 3 LYS A 114 PHE A 120 1 7 HELIX 4 4 ASP A 130 LEU A 144 1 15 HELIX 5 5 GLU A 165 TYR A 173 1 9 HELIX 6 6 GLU A 181 GLY A 193 1 13 HELIX 7 7 THR A 219 ASP A 236 1 18 HELIX 8 8 ASP B 21 LEU B 33 1 13 HELIX 9 9 GLY B 65 GLY B 81 1 17 HELIX 10 10 LYS B 114 PHE B 120 1 7 HELIX 11 11 ASP B 130 LEU B 144 1 15 HELIX 12 12 GLU B 165 TYR B 173 1 9 HELIX 13 13 GLU B 181 PHE B 192 1 12 HELIX 14 14 THR B 213 LYS B 237 1 25 HELIX 15 15 ASP C 21 LEU C 33 1 13 HELIX 16 16 GLY C 65 PHE C 80 1 16 HELIX 17 17 LYS C 114 ARG C 119 1 6 HELIX 18 18 ASP C 130 GLY C 145 1 16 HELIX 19 19 GLU C 165 TYR C 173 1 9 HELIX 20 20 GLU C 181 PHE C 192 1 12 HELIX 21 21 THR C 212 GLN C 218 1 7 HELIX 22 22 ASN C 222 LYS C 237 1 16 SHEET 1 A10 GLU A 34 ASN A 40 0 SHEET 2 A10 GLY A 47 TYR A 52 -1 O THR A 49 N ARG A 37 SHEET 3 A10 ARG A 55 MET A 60 -1 O VAL A 59 N PHE A 48 SHEET 4 A10 VAL A 15 MET A 18 1 N LEU A 17 O SER A 58 SHEET 5 A10 LYS A 84 GLY A 92 1 O ILE A 86 N MET A 18 SHEET 6 A10 LYS A 195 ASP A 204 1 O LEU A 197 N ARG A 87 SHEET 7 A10 VAL A 103 THR A 111 -1 N VAL A 104 O CYS A 200 SHEET 8 A10 ARG A 149 SER A 155 1 O LEU A 153 N CYS A 110 SHEET 9 A10 GLY A 177 GLU A 179 1 O GLU A 179 N PHE A 154 SHEET 10 A10 LYS A 84 GLY A 92 -1 N GLY A 92 O VAL A 178 SHEET 1 B10 GLU B 34 ASN B 40 0 SHEET 2 B10 GLY B 47 TYR B 52 -1 O THR B 49 N ARG B 37 SHEET 3 B10 ARG B 55 MET B 60 -1 O VAL B 59 N PHE B 48 SHEET 4 B10 VAL B 15 MET B 18 1 N LEU B 17 O SER B 58 SHEET 5 B10 LYS B 84 ALA B 93 1 O ILE B 86 N VAL B 16 SHEET 6 B10 LYS B 195 HIS B 205 1 O ASP B 204 N ALA B 93 SHEET 7 B10 VAL B 103 THR B 111 -1 N VAL B 104 O CYS B 200 SHEET 8 B10 ARG B 149 SER B 155 1 O SER B 155 N CYS B 110 SHEET 9 B10 GLY B 177 GLU B 179 1 O GLU B 179 N PHE B 154 SHEET 10 B10 LYS B 84 ALA B 93 -1 N GLY B 92 O VAL B 178 SHEET 1 C10 GLU C 34 ASN C 40 0 SHEET 2 C10 GLY C 47 TYR C 52 -1 O THR C 51 N GLU C 34 SHEET 3 C10 ARG C 55 MET C 60 -1 O ILE C 57 N GLY C 50 SHEET 4 C10 VAL C 15 MET C 18 1 N LEU C 17 O SER C 58 SHEET 5 C10 LYS C 84 ALA C 93 1 O ILE C 86 N MET C 18 SHEET 6 C10 LYS C 195 HIS C 205 1 O ILE C 199 N ARG C 87 SHEET 7 C10 VAL C 103 THR C 111 -1 N VAL C 104 O CYS C 200 SHEET 8 C10 ARG C 149 SER C 155 1 O SER C 155 N CYS C 110 SHEET 9 C10 GLY C 177 GLU C 179 1 O GLU C 179 N PHE C 154 SHEET 10 C10 LYS C 84 ALA C 93 -1 N GLY C 92 O VAL C 178 SITE 1 AC1 6 GLY A 20 ARG A 43 ARG A 87 GLY A 89 SITE 2 AC1 6 SER A 90 TBN A1245 SITE 1 AC2 6 GLY B 20 ARG B 87 GLY B 89 SER B 90 SITE 2 AC2 6 TBN B1246 ARG C 43 SITE 1 AC3 9 ARG B 43 PRO C 19 GLY C 20 ARG C 24 SITE 2 AC3 9 ARG C 87 GLY C 89 SER C 90 GLU C 181 SITE 3 AC3 9 TBN C1247 SITE 1 AC4 16 HIS A 4 ARG A 43 MET A 64 ARG A 87 SITE 2 AC4 16 SER A 90 CYS A 91 GLY A 92 PHE A 159 SITE 3 AC4 16 VAL A 178 GLU A 179 MET A 180 GLU A 181 SITE 4 AC4 16 SER A 203 ASP A 204 PO4 A1248 HOH A1291 SITE 1 AC5 15 MET B 64 ARG B 87 SER B 90 CYS B 91 SITE 2 AC5 15 GLY B 92 PHE B 159 VAL B 178 GLU B 179 SITE 3 AC5 15 MET B 180 GLU B 181 ASP B 204 PO4 B1249 SITE 4 AC5 15 HOH B1273 HIS C 4 ARG C 43 SITE 1 AC6 18 HIS B 4 ARG B 43 HOH B1266 MET C 64 SITE 2 AC6 18 ARG C 87 SER C 90 CYS C 91 GLY C 92 SITE 3 AC6 18 PHE C 159 VAL C 178 GLU C 179 MET C 180 SITE 4 AC6 18 GLU C 181 SER C 203 ASP C 204 ILE C 206 SITE 5 AC6 18 PO4 C1250 HOH C1256 CRYST1 120.800 120.800 239.900 90.00 90.00 120.00 P 61 2 2 36 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 0.008278 0.004779 0.000000 0.00000 SCALE2 0.000000 0.009559 0.000000 0.00000 SCALE3 0.000000 0.000000 0.004168 0.00000