HEADER TRANSFERASE 24-MAY-03 1PF7 TITLE CRYSTAL STRUCTURE OF HUMAN PNP COMPLEXED WITH IMMUCILLIN H COMPND MOL_ID: 1; COMPND 2 MOLECULE: PURINE NUCLEOSIDE PHOSPHORYLASE; COMPND 3 CHAIN: E; COMPND 4 SYNONYM: INOSINE PHOSPHORYLASE, PNP; COMPND 5 EC: 2.4.2.1; COMPND 6 ENGINEERED: YES; COMPND 7 OTHER_DETAILS: COMPLEXED WITH IMMUCILLIN H, RESIDUE IMH SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID KEYWDS PURINE NUCLEOSIDE PHOSPHORYLASE, DRUG DESIGN, SYNCHROTRON, KEYWDS 2 TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR W.F.DE AZEVEDO JR.,F.CANDURI,D.M.DOS SANTOS,J.H.PEREIRA,M.V.B.DIAS, AUTHOR 2 R.G.SILVA,M.A.MENDES,M.S.PALMA,L.A.BASSO,D.S.SANTOS REVDAT 5 20-SEP-23 1PF7 1 REMARK REVDAT 4 05-OCT-22 1PF7 1 REMARK HETSYN ATOM REVDAT 3 13-JUL-11 1PF7 1 VERSN REVDAT 2 24-FEB-09 1PF7 1 VERSN REVDAT 1 01-JUN-04 1PF7 0 JRNL AUTH W.F.DE AZEVEDO JR.,F.CANDURI,D.M.DOS SANTOS,J.H.PEREIRA, JRNL AUTH 2 M.V.B.DIAS,R.G.SILVA,M.A.MENDES,M.S.PALMA,L.A.BASSO, JRNL AUTH 3 D.S.SANTOS JRNL TITL STRUCTURAL BASIS FOR INHIBITION OF HUMAN PNP BY IMMUCILLIN-H JRNL REF BIOCHEM.BIOPHYS.RES.COMMUN. V. 309 917 2003 JRNL REFN ISSN 0006-291X JRNL PMID 13679061 JRNL DOI 10.1016/J.BBRC.2003.08.094 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH W.F.DE AZEVEDO JR.,F.CANDURI,D.M.DOS SANTOS,R.G.SILVA, REMARK 1 AUTH 2 J.S.DE OLIVEIRA,L.P.S.DE CARVALHO,L.A.BASSO,M.A.MENDES, REMARK 1 AUTH 3 M.S.PALMA,D.S.SANTOS REMARK 1 TITL CRYSTAL STRUCTURE OF HUMAN PURINE NUCLEOSIDE PHOSPHORYLASE REMARK 1 TITL 2 AT 2.3A RESOLUTION REMARK 1 REF BIOCHEM.BIOPHYS.RES.COMMUN. V. 308 545 2003 REMARK 1 REFN ISSN 0006-291X REMARK 1 PMID 12914785 REMARK 1 DOI 10.1016/S0006-291X(03)01431-1 REMARK 2 REMARK 2 RESOLUTION. 2.60 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 7.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 4.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 89.8 REMARK 3 NUMBER OF REFLECTIONS : 15383 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) : 0.200 REMARK 3 FREE R VALUE : 0.272 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1538 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 : 2251 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 34 REMARK 3 SOLVENT ATOMS : 64 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 28.91 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) : 0.29 REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : 7.00 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) : 0.013 REMARK 3 BOND ANGLES (DEGREES) : 1.893 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 25.82 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.590 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 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 1PF7 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 28-MAY-03. REMARK 100 THE DEPOSITION ID IS D_1000019287. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 16-APR-03 REMARK 200 TEMPERATURE (KELVIN) : 104.0 REMARK 200 PH : 5.30 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : LNLS REMARK 200 BEAMLINE : D03B-MX1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.4310 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA, CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 16763 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.600 REMARK 200 RESOLUTION RANGE LOW (A) : 56.531 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 90.1 REMARK 200 DATA REDUNDANCY : 5.500 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.09900 REMARK 200 FOR THE DATA SET : 6.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.74 REMARK 200 COMPLETENESS FOR SHELL (%) : 93.4 REMARK 200 DATA REDUNDANCY IN SHELL : 5.30 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.37500 REMARK 200 FOR SHELL : 1.900 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: 1M73 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 75.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.92 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.05M CITRATE BUFFER, 19% AMMONIUM REMARK 280 SULPHATE, PH 5.30 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z REMARK 290 3555 -X+Y,-X,Z REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z REMARK 290 6555 -X,-X+Y,-Z REMARK 290 7555 X+2/3,Y+1/3,Z+1/3 REMARK 290 8555 -Y+2/3,X-Y+1/3,Z+1/3 REMARK 290 9555 -X+Y+2/3,-X+1/3,Z+1/3 REMARK 290 10555 Y+2/3,X+1/3,-Z+1/3 REMARK 290 11555 X-Y+2/3,-Y+1/3,-Z+1/3 REMARK 290 12555 -X+2/3,-X+Y+1/3,-Z+1/3 REMARK 290 13555 X+1/3,Y+2/3,Z+2/3 REMARK 290 14555 -Y+1/3,X-Y+2/3,Z+2/3 REMARK 290 15555 -X+Y+1/3,-X+2/3,Z+2/3 REMARK 290 16555 Y+1/3,X+2/3,-Z+2/3 REMARK 290 17555 X-Y+1/3,-Y+2/3,-Z+2/3 REMARK 290 18555 -X+1/3,-X+Y+2/3,-Z+2/3 REMARK 290 REMARK 290 WHERE NNN -> OPERATOR NUMBER REMARK 290 MMM -> TRANSLATION VECTOR REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY REMARK 290 RELATED MOLECULES. REMARK 290 SMTRY1 1 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 1 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 1 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 2 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 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 0.00000 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 0.00000 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 0.00000 REMARK 290 SMTRY1 7 1.000000 0.000000 0.000000 69.69500 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 40.23843 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 53.77000 REMARK 290 SMTRY1 8 -0.500000 -0.866025 0.000000 69.69500 REMARK 290 SMTRY2 8 0.866025 -0.500000 0.000000 40.23843 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 53.77000 REMARK 290 SMTRY1 9 -0.500000 0.866025 0.000000 69.69500 REMARK 290 SMTRY2 9 -0.866025 -0.500000 0.000000 40.23843 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 53.77000 REMARK 290 SMTRY1 10 -0.500000 0.866025 0.000000 69.69500 REMARK 290 SMTRY2 10 0.866025 0.500000 0.000000 40.23843 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 53.77000 REMARK 290 SMTRY1 11 1.000000 0.000000 0.000000 69.69500 REMARK 290 SMTRY2 11 0.000000 -1.000000 0.000000 40.23843 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 53.77000 REMARK 290 SMTRY1 12 -0.500000 -0.866025 0.000000 69.69500 REMARK 290 SMTRY2 12 -0.866025 0.500000 0.000000 40.23843 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 53.77000 REMARK 290 SMTRY1 13 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 13 0.000000 1.000000 0.000000 80.47685 REMARK 290 SMTRY3 13 0.000000 0.000000 1.000000 107.54000 REMARK 290 SMTRY1 14 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 14 0.866025 -0.500000 0.000000 80.47685 REMARK 290 SMTRY3 14 0.000000 0.000000 1.000000 107.54000 REMARK 290 SMTRY1 15 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 15 -0.866025 -0.500000 0.000000 80.47685 REMARK 290 SMTRY3 15 0.000000 0.000000 1.000000 107.54000 REMARK 290 SMTRY1 16 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 16 0.866025 0.500000 0.000000 80.47685 REMARK 290 SMTRY3 16 0.000000 0.000000 -1.000000 107.54000 REMARK 290 SMTRY1 17 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 17 0.000000 -1.000000 0.000000 80.47685 REMARK 290 SMTRY3 17 0.000000 0.000000 -1.000000 107.54000 REMARK 290 SMTRY1 18 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 18 -0.866025 0.500000 0.000000 80.47685 REMARK 290 SMTRY3 18 0.000000 0.000000 -1.000000 107.54000 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: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 10830 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 29200 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -171.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: E 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 139.39000 REMARK 350 BIOMT2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 -0.500000 0.866025 0.000000 69.69500 REMARK 350 BIOMT2 3 -0.866025 -0.500000 0.000000 120.71528 REMARK 350 BIOMT3 3 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 E 1 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 ILE E 246 N - CA - C ANGL. DEV. = 17.4 DEGREES REMARK 500 LEU E 261 CA - CB - CG ANGL. DEV. = 16.1 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 ASN E 3 -158.13 -44.83 REMARK 500 PRO E 54 -54.67 -24.08 REMARK 500 VAL E 61 -54.17 -176.48 REMARK 500 PRO E 62 12.14 -60.00 REMARK 500 HIS E 64 22.90 -66.89 REMARK 500 ALA E 65 -39.06 -153.41 REMARK 500 ASN E 74 52.26 37.29 REMARK 500 PHE E 159 75.67 -111.75 REMARK 500 ASP E 167 121.72 -37.97 REMARK 500 ALA E 196 -79.33 -80.77 REMARK 500 SER E 220 -147.86 -154.73 REMARK 500 THR E 221 -64.29 58.19 REMARK 500 ILE E 246 18.59 99.01 REMARK 500 GLU E 250 78.61 -166.40 REMARK 500 SER E 251 42.09 -86.42 REMARK 500 LEU E 252 -101.49 -73.22 REMARK 500 ASN E 256 135.27 -39.22 REMARK 500 HIS E 257 -10.86 -26.10 REMARK 500 GLU E 258 -16.44 -44.37 REMARK 500 GLU E 259 7.39 -62.36 REMARK 500 LYS E 265 -164.69 -124.63 REMARK 500 ASP E 286 26.12 -68.14 REMARK 500 LYS E 287 -23.10 74.01 REMARK 500 ALA E 288 63.83 13.16 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 SO4 E 291 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 E 292 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 E 293 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IMH E 290 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1M73 RELATED DB: PDB REMARK 900 HIGH-RESOLUTION STRUCTURE OF HUMAN PURINE NUCLEOSIDE PHOSPHORYLASE DBREF 1PF7 E 1 289 UNP P00491 PNPH_HUMAN 1 289 SEQRES 1 E 289 MET GLU ASN GLY TYR THR TYR GLU ASP TYR LYS ASN THR SEQRES 2 E 289 ALA GLU TRP LEU LEU SER HIS THR LYS HIS ARG PRO GLN SEQRES 3 E 289 VAL ALA ILE ILE CYS GLY SER GLY LEU GLY GLY LEU THR SEQRES 4 E 289 ASP LYS LEU THR GLN ALA GLN ILE PHE ASP TYR SER GLU SEQRES 5 E 289 ILE PRO ASN PHE PRO ARG SER THR VAL PRO GLY HIS ALA SEQRES 6 E 289 GLY ARG LEU VAL PHE GLY PHE LEU ASN GLY ARG ALA CYS SEQRES 7 E 289 VAL MET MET GLN GLY ARG PHE HIS MET TYR GLU GLY TYR SEQRES 8 E 289 PRO LEU TRP LYS VAL THR PHE PRO VAL ARG VAL PHE HIS SEQRES 9 E 289 LEU LEU GLY VAL ASP THR LEU VAL VAL THR ASN ALA ALA SEQRES 10 E 289 GLY GLY LEU ASN PRO LYS PHE GLU VAL GLY ASP ILE MET SEQRES 11 E 289 LEU ILE ARG ASP HIS ILE ASN LEU PRO GLY PHE SER GLY SEQRES 12 E 289 GLN ASN PRO LEU ARG GLY PRO ASN ASP GLU ARG PHE GLY SEQRES 13 E 289 ASP ARG PHE PRO ALA MET SER ASP ALA TYR ASP ARG THR SEQRES 14 E 289 MET ARG GLN ARG ALA LEU SER THR TRP LYS GLN MET GLY SEQRES 15 E 289 GLU GLN ARG GLU LEU GLN GLU GLY THR TYR VAL MET VAL SEQRES 16 E 289 ALA GLY PRO SER PHE GLU THR VAL ALA GLU CYS ARG VAL SEQRES 17 E 289 LEU GLN LYS LEU GLY ALA ASP ALA VAL GLY MET SER THR SEQRES 18 E 289 VAL PRO GLU VAL ILE VAL ALA ARG HIS CYS GLY LEU ARG SEQRES 19 E 289 VAL PHE GLY PHE SER LEU ILE THR ASN LYS VAL ILE MET SEQRES 20 E 289 ASP TYR GLU SER LEU GLU LYS ALA ASN HIS GLU GLU VAL SEQRES 21 E 289 LEU ALA ALA GLY LYS GLN ALA ALA GLN LYS LEU GLU GLN SEQRES 22 E 289 PHE VAL SER ILE LEU MET ALA SER ILE PRO LEU PRO ASP SEQRES 23 E 289 LYS ALA SER HET SO4 E 291 5 HET SO4 E 292 5 HET SO4 E 293 5 HET IMH E 290 19 HETNAM SO4 SULFATE ION HETNAM IMH 1,4-DIDEOXY-4-AZA-1-(S)-(9-DEAZAHYPOXANTHIN-9-YL)-D- HETNAM 2 IMH RIBITOL HETSYN IMH FORODESINE; IMMUCILLIN H FORMUL 2 SO4 3(O4 S 2-) FORMUL 5 IMH C11 H14 N4 O4 FORMUL 6 HOH *64(H2 O) HELIX 1 1 THR E 6 SER E 19 1 14 HELIX 2 2 LEU E 35 LEU E 42 5 8 HELIX 3 3 PRO E 62 ALA E 65 5 4 HELIX 4 4 HIS E 86 GLY E 90 5 5 HELIX 5 5 PRO E 92 THR E 97 1 6 HELIX 6 6 THR E 97 LEU E 105 1 9 HELIX 7 7 LEU E 138 SER E 142 1 5 HELIX 8 8 ASP E 167 GLY E 182 1 16 HELIX 9 9 THR E 202 GLY E 213 1 12 HELIX 10 10 THR E 221 CYS E 231 1 11 HELIX 11 11 LEU E 261 LEU E 278 1 18 HELIX 12 12 MET E 279 ILE E 282 5 4 SHEET 1 A10 THR E 43 ASP E 49 0 SHEET 2 A10 ARG E 67 LEU E 73 -1 N LEU E 68 O PHE E 48 SHEET 3 A10 ARG E 76 GLN E 82 -1 N ARG E 76 O LEU E 73 SHEET 4 A10 VAL E 27 CYS E 31 1 N VAL E 27 O ALA E 77 SHEET 5 A10 THR E 110 GLY E 119 1 O THR E 110 N ALA E 28 SHEET 6 A10 ALA E 216 GLY E 218 -1 O VAL E 217 N GLY E 118 SHEET 7 A10 GLN E 188 MET E 194 1 O THR E 191 N ALA E 216 SHEET 8 A10 ILE E 129 ASN E 137 1 O ILE E 129 N GLN E 188 SHEET 9 A10 ARG E 234 LYS E 244 -1 O GLY E 237 N ILE E 132 SHEET 10 A10 THR E 110 GLY E 119 1 N LEU E 111 O ARG E 234 SITE 1 AC1 5 PRO E 92 GLN E 144 ARG E 148 HOH E 302 SITE 2 AC1 5 HOH E 322 SITE 1 AC2 5 SER E 33 GLY E 34 GLY E 36 GLN E 82 SITE 2 AC2 5 HOH E 328 SITE 1 AC3 9 GLY E 32 SER E 33 ARG E 84 HIS E 86 SITE 2 AC3 9 ASN E 115 ALA E 116 SER E 220 IMH E 290 SITE 3 AC3 9 HOH E 295 SITE 1 AC4 15 SER E 33 HIS E 86 TYR E 88 ALA E 116 SITE 2 AC4 15 PHE E 159 PHE E 200 GLU E 201 GLY E 218 SITE 3 AC4 15 MET E 219 THR E 242 ASN E 243 VAL E 245 SITE 4 AC4 15 HIS E 257 SO4 E 293 HOH E 311 CRYST1 139.390 139.390 161.310 90.00 90.00 120.00 H 3 2 18 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 0.007174 0.004142 0.000000 0.00000 SCALE2 0.000000 0.008284 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006199 0.00000