HEADER TRANSFERASE 27-SEP-00 1FXU TITLE PURINE NUCLEOSIDE PHOSPHORYLASE FROM CALF SPLEEN IN COMPLEX WITH N(7)- TITLE 2 ACYCLOGUANOSINE INHIBITOR AND A PHOSPHATE ION COMPND MOL_ID: 1; COMPND 2 MOLECULE: PURINE NUCLEOSIDE PHOSPHORYLASE; COMPND 3 CHAIN: A; COMPND 4 EC: 2.4.2.1 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 3 ORGANISM_COMMON: CATTLE; SOURCE 4 ORGANISM_TAXID: 9913; SOURCE 5 ORGAN: SPLEEN KEYWDS GLYCOSYLTRANSFERASE, NUCLEOSIDE PHOSPHORYLASE, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR M.LUIC,A.BZOWSKA,D.SHUGAR,W.SAENGER,G.KOELLNER REVDAT 9 07-FEB-24 1FXU 1 REMARK SEQADV LINK REVDAT 8 31-JAN-18 1FXU 1 REMARK REVDAT 7 04-OCT-17 1FXU 1 REMARK REVDAT 6 16-NOV-11 1FXU 1 HETATM REVDAT 5 13-JUL-11 1FXU 1 VERSN REVDAT 4 24-FEB-09 1FXU 1 VERSN REVDAT 3 01-APR-03 1FXU 1 JRNL REVDAT 2 28-MAR-01 1FXU 1 JRNL REVDAT 1 18-OCT-00 1FXU 0 JRNL AUTH M.LUIC,G.KOELLNER,D.SHUGAR,W.SAENGER,A.BZOWSKA JRNL TITL CALF SPLEEN PURINE NUCLEOSIDE PHOSPHORYLASE: STRUCTURE OF JRNL TITL 2 ITS TERNARY COMPLEX WITH AN N(7)-ACYCLOGUANOSINE INHIBITOR JRNL TITL 3 AND A PHOSPHATE ANION. JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 57 30 2001 JRNL REFN ISSN 0907-4449 JRNL PMID 11134924 JRNL DOI 10.1107/S0907444900014402 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH G.KOELLNER,M.LUIC,D.SHUGAR,W.SAENGER,A.BZOWSKA REMARK 1 TITL CRYSTALS STRUCTURE OF CALF SPLEEN PURINE NUCLEOSIDE REMARK 1 TITL 2 PHOSPHORYLASE IN A COMPLEX WITH HYPOXANTHINE AT 2.15 A REMARK 1 TITL 3 RESOLUTION REMARK 1 REF J.MOL.BIOL. V. 265 202 1997 REMARK 1 REFN ISSN 0022-2836 REMARK 1 DOI 10.1006/JMBI.1996.0730 REMARK 2 REMARK 2 RESOLUTION. 2.20 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 22.18 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 2893461.040 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 89.0 REMARK 3 NUMBER OF REFLECTIONS : 12786 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) : 0.175 REMARK 3 FREE R VALUE : 0.244 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.300 REMARK 3 FREE R VALUE TEST SET COUNT : 1320 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) : 2.20 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.34 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 87.40 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1850 REMARK 3 BIN R VALUE (WORKING SET) : 0.2140 REMARK 3 BIN FREE R VALUE : 0.3060 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.60 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 219 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.021 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2167 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 26 REMARK 3 SOLVENT ATOMS : 113 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 12.50 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 24.20 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.00000 REMARK 3 B22 (A**2) : 0.00000 REMARK 3 B33 (A**2) : 0.00000 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 COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.22 REMARK 3 ESD FROM SIGMAA (A) : 0.21 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) : 0.31 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.29 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.011 REMARK 3 BOND ANGLES (DEGREES) : 1.700 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.50 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.040 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) : 1.320 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.090 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 3.270 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 4.390 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.31 REMARK 3 BSOL : 36.19 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : CIS_PEPTIDE2.PARAM REMARK 3 PARAMETER FILE 3 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : GU7.PAR REMARK 3 PARAMETER FILE 5 : ION.PARAM REMARK 3 PARAMETER FILE 6 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : PROTEIN.LINK REMARK 3 TOPOLOGY FILE 3 : WATER.TOP REMARK 3 TOPOLOGY FILE 4 : GU7.TOP REMARK 3 TOPOLOGY FILE 5 : ION.TOP REMARK 3 TOPOLOGY FILE 6 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1FXU COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 28-SEP-00. REMARK 100 THE DEPOSITION ID IS D_1000011994. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 06-NOV-96 REMARK 200 TEMPERATURE (KELVIN) : 4 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : EMBL/DESY, HAMBURG REMARK 200 BEAMLINE : X31 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.908 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MAR REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 12786 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.200 REMARK 200 RESOLUTION RANGE LOW (A) : 22.200 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL 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) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL 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: NULL REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.19 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.17 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.04M TRIS/HCL BUFFER, PEG 4000, 11 REMARK 280 -16%, 0.08M MGCL2, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 18K, TEMPERATURE 291.0K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 3 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 Z,X,Y REMARK 290 6555 Z+1/2,-X+1/2,-Y REMARK 290 7555 -Z+1/2,-X,Y+1/2 REMARK 290 8555 -Z,X+1/2,-Y+1/2 REMARK 290 9555 Y,Z,X REMARK 290 10555 -Y,Z+1/2,-X+1/2 REMARK 290 11555 Y+1/2,-Z+1/2,-X REMARK 290 12555 -Y+1/2,-Z,X+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 47.05500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 47.05500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 47.05500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 47.05500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 47.05500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 47.05500 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY2 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY1 6 0.000000 0.000000 1.000000 47.05500 REMARK 290 SMTRY2 6 -1.000000 0.000000 0.000000 47.05500 REMARK 290 SMTRY3 6 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY1 7 0.000000 0.000000 -1.000000 47.05500 REMARK 290 SMTRY2 7 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 1.000000 0.000000 47.05500 REMARK 290 SMTRY1 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY2 8 1.000000 0.000000 0.000000 47.05500 REMARK 290 SMTRY3 8 0.000000 -1.000000 0.000000 47.05500 REMARK 290 SMTRY1 9 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 9 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY3 9 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY1 10 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 10 0.000000 0.000000 1.000000 47.05500 REMARK 290 SMTRY3 10 -1.000000 0.000000 0.000000 47.05500 REMARK 290 SMTRY1 11 0.000000 1.000000 0.000000 47.05500 REMARK 290 SMTRY2 11 0.000000 0.000000 -1.000000 47.05500 REMARK 290 SMTRY3 11 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY1 12 0.000000 -1.000000 0.000000 47.05500 REMARK 290 SMTRY2 12 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY3 12 1.000000 0.000000 0.000000 47.05500 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2, 3 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: MONOMERIC 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 REMARK 350 BIOMOLECULE: 2 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 9650 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 28890 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -92.0 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 0.000000 0.000000 1.000000 47.05500 REMARK 350 BIOMT2 2 -1.000000 0.000000 0.000000 141.16500 REMARK 350 BIOMT3 2 0.000000 -1.000000 0.000000 94.11000 REMARK 350 BIOMT1 3 0.000000 -1.000000 0.000000 141.16500 REMARK 350 BIOMT2 3 0.000000 0.000000 -1.000000 94.11000 REMARK 350 BIOMT3 3 1.000000 0.000000 0.000000 -47.05500 REMARK 350 REMARK 350 BIOMOLECULE: 3 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 4430 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 34210 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -98.0 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 0.000000 0.000000 -1.000000 141.16500 REMARK 350 BIOMT2 2 -1.000000 0.000000 0.000000 94.11000 REMARK 350 BIOMT3 2 0.000000 1.000000 0.000000 47.05500 REMARK 350 BIOMT1 3 0.000000 -1.000000 0.000000 94.11000 REMARK 350 BIOMT2 3 0.000000 0.000000 1.000000 -47.05500 REMARK 350 BIOMT3 3 -1.000000 0.000000 0.000000 141.16500 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 ZN ZN A 302 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 364 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 371 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 372 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 GLN A 2 REMARK 465 ASN A 3 REMARK 465 GLU A 250 REMARK 465 SER A 251 REMARK 465 GLN A 252 REMARK 465 SER A 285 REMARK 465 GLY A 286 REMARK 465 HIS A 287 REMARK 465 THR A 288 REMARK 465 GLY A 289 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 244 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 ARG A 84 NE - CZ - NH2 ANGL. DEV. = -3.7 DEGREES 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 LYS A 41 -8.45 69.25 REMARK 500 ASN A 55 -1.24 68.50 REMARK 500 ASP A 167 120.23 -35.79 REMARK 500 SER A 220 -158.96 -154.58 REMARK 500 THR A 221 -52.06 68.27 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 ZN A 302 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 20 NE2 REMARK 620 2 HIS A 20 NE2 119.0 REMARK 620 3 HIS A 20 NE2 119.0 119.0 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 301 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 323 O REMARK 620 2 HOH A 326 O 84.6 REMARK 620 3 HOH A 327 O 167.4 83.4 REMARK 620 4 HOH A 328 O 94.3 84.3 88.1 REMARK 620 5 HOH A 329 O 104.8 170.5 87.5 92.7 REMARK 620 6 HOH A 330 O 89.9 78.6 84.1 161.9 103.2 REMARK 620 N 1 2 3 4 5 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 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 291 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GU7 A 290 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1VFN RELATED DB: PDB REMARK 900 PURINE NUCLEOSIDE PHOSPHORYLASE IN COMPLEX WITH HYPOXANTHINE DBREF 1FXU A 1 289 UNP P55859 PNPH_BOVIN 1 289 SEQADV 1FXU GLN A 144 UNP P55859 GLU 144 CONFLICT SEQADV 1FXU THR A 249 UNP P55859 TYR 249 CONFLICT SEQRES 1 A 289 MET GLN ASN GLY TYR THR TYR GLU ASP TYR GLN ASP THR SEQRES 2 A 289 ALA LYS TRP LEU LEU SER HIS THR GLU GLN ARG PRO GLN SEQRES 3 A 289 VAL ALA VAL ILE CYS GLY SER GLY LEU GLY GLY LEU VAL SEQRES 4 A 289 ASN LYS LEU THR GLN ALA GLN THR PHE ASP TYR SER GLU SEQRES 5 A 289 ILE PRO ASN PHE PRO GLU SER THR VAL PRO GLY HIS ALA SEQRES 6 A 289 GLY ARG LEU VAL PHE GLY ILE LEU ASN GLY ARG ALA CYS SEQRES 7 A 289 VAL MET MET GLN GLY ARG PHE HIS MET TYR GLU GLY TYR SEQRES 8 A 289 PRO PHE TRP LYS VAL THR PHE PRO VAL ARG VAL PHE ARG SEQRES 9 A 289 LEU LEU GLY VAL GLU THR LEU VAL VAL THR ASN ALA ALA SEQRES 10 A 289 GLY GLY LEU ASN PRO ASN PHE GLU VAL GLY ASP ILE MET SEQRES 11 A 289 LEU ILE ARG ASP HIS ILE ASN LEU PRO GLY PHE SER GLY SEQRES 12 A 289 GLN ASN PRO LEU ARG GLY PRO ASN GLU GLU ARG PHE GLY SEQRES 13 A 289 VAL ARG PHE PRO ALA MET SER ASP ALA TYR ASP ARG ASP SEQRES 14 A 289 MET ARG GLN LYS ALA HIS SER THR TRP LYS GLN MET GLY SEQRES 15 A 289 GLU GLN ARG GLU LEU GLN GLU GLY THR TYR VAL MET LEU SEQRES 16 A 289 GLY GLY PRO ASN PHE GLU THR VAL ALA GLU CYS ARG LEU SEQRES 17 A 289 LEU ARG ASN LEU GLY ALA ASP ALA VAL GLY MET SER THR SEQRES 18 A 289 VAL PRO GLU VAL ILE VAL ALA ARG HIS CYS GLY LEU ARG SEQRES 19 A 289 VAL PHE GLY PHE SER LEU ILE THR ASN LYS VAL ILE MET SEQRES 20 A 289 ASP THR GLU SER GLN GLY LYS ALA ASN HIS GLU GLU VAL SEQRES 21 A 289 LEU GLU ALA GLY LYS GLN ALA ALA GLN LYS LEU GLU GLN SEQRES 22 A 289 PHE VAL SER LEU LEU MET ALA SER ILE PRO VAL SER GLY SEQRES 23 A 289 HIS THR GLY HET MG A 301 1 HET ZN A 302 1 HET PO4 A 291 5 HET GU7 A 290 19 HETNAM MG MAGNESIUM ION HETNAM ZN ZINC ION HETNAM PO4 PHOSPHATE ION HETNAM GU7 2-AMINO-7-[2-(2-HYDROXY-1-HYDROXYMETHYL-ETHYLAMINO)- HETNAM 2 GU7 ETHYL]-1,7-DIHYDRO-PURIN-6-ONE FORMUL 2 MG MG 2+ FORMUL 3 ZN ZN 2+ FORMUL 4 PO4 O4 P 3- FORMUL 5 GU7 C10 H16 N6 O3 FORMUL 6 HOH *113(H2 O) HELIX 1 1 THR A 6 SER A 19 1 14 HELIX 2 2 LEU A 35 ASN A 40 5 6 HELIX 3 3 SER A 51 ILE A 53 5 3 HELIX 4 4 HIS A 86 GLY A 90 5 5 HELIX 5 5 PRO A 92 THR A 97 1 6 HELIX 6 6 THR A 97 LEU A 106 1 10 HELIX 7 7 LEU A 138 SER A 142 1 5 HELIX 8 8 ASP A 167 MET A 181 1 15 HELIX 9 9 THR A 202 LEU A 212 1 11 HELIX 10 10 THR A 221 CYS A 231 1 11 HELIX 11 11 ASN A 256 ALA A 280 1 25 SHEET 1 A10 THR A 43 ASP A 49 0 SHEET 2 A10 ARG A 67 ILE A 72 -1 N LEU A 68 O PHE A 48 SHEET 3 A10 ALA A 77 GLN A 82 -1 N CYS A 78 O GLY A 71 SHEET 4 A10 VAL A 27 CYS A 31 1 O VAL A 27 N VAL A 79 SHEET 5 A10 THR A 110 GLY A 119 1 O THR A 110 N ALA A 28 SHEET 6 A10 ARG A 234 LYS A 244 1 O ARG A 234 N LEU A 111 SHEET 7 A10 ILE A 129 ASN A 137 -1 N MET A 130 O SER A 239 SHEET 8 A10 GLN A 188 MET A 194 1 O GLN A 188 N LEU A 131 SHEET 9 A10 ALA A 216 GLY A 218 1 O ALA A 216 N VAL A 193 SHEET 10 A10 THR A 110 GLY A 119 -1 N GLY A 118 O VAL A 217 LINK NE2 HIS A 20 ZN ZN A 302 1555 1555 2.08 LINK NE2 HIS A 20 ZN ZN A 302 7665 1555 2.08 LINK NE2 HIS A 20 ZN ZN A 302 10646 1555 2.08 LINK MG MG A 301 O HOH A 323 1555 1555 1.99 LINK MG MG A 301 O HOH A 326 1555 10646 2.25 LINK MG MG A 301 O HOH A 327 1555 10646 2.03 LINK MG MG A 301 O HOH A 328 1555 1555 1.94 LINK MG MG A 301 O HOH A 329 1555 1555 1.80 LINK MG MG A 301 O HOH A 330 1555 1555 1.80 CISPEP 1 GLY A 197 PRO A 198 0 1.93 SITE 1 AC1 6 HOH A 323 HOH A 326 HOH A 327 HOH A 328 SITE 2 AC1 6 HOH A 329 HOH A 330 SITE 1 AC2 2 HIS A 20 HOH A 372 SITE 1 AC3 12 GLY A 32 SER A 33 HIS A 64 ARG A 84 SITE 2 AC3 12 HIS A 86 ASN A 115 ALA A 116 SER A 220 SITE 3 AC3 12 GU7 A 290 HOH A 387 HOH A 388 HOH A 399 SITE 1 AC4 17 SER A 33 HIS A 86 TYR A 88 ALA A 116 SITE 2 AC4 17 ALA A 117 GLY A 118 PHE A 159 PHE A 200 SITE 3 AC4 17 GLU A 201 MET A 219 THR A 242 ASN A 243 SITE 4 AC4 17 VAL A 245 HIS A 257 VAL A 260 PO4 A 291 SITE 5 AC4 17 HOH A 388 CRYST1 94.110 94.110 94.110 90.00 90.00 90.00 P 21 3 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 0.010626 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010626 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010626 0.00000