HEADER TRANSFERASE 05-JUN-03 1PK7 TITLE CRYSTAL STRUCTURE OF E. COLI PURINE NUCLEOSIDE PHOSPHORYLASE COMPLEXED TITLE 2 WITH ADENOSINE AND SULFATE/PHOSPHATE 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 HEXAMER, PROTEIN-NUCLEOSIDE COMPLEX, TRIMER OF DIMERS, 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 1PK7 1 REMARK REVDAT 4 11-DEC-19 1PK7 1 COMPND SOURCE DBREF REVDAT 3 13-JUL-11 1PK7 1 VERSN REVDAT 2 24-FEB-09 1PK7 1 VERSN REVDAT 1 25-NOV-03 1PK7 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 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 : 26736 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) : 0.177 REMARK 3 FREE R VALUE : 0.233 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 1488 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 : 5379 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 72 REMARK 3 SOLVENT ATOMS : 255 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 1PK7 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 12-JUN-03. REMARK 100 THE DEPOSITION ID IS D_1000019384. 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 : A1 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 : 26736 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 (%) : 77.0 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 (%) : 35.0 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 (%): 63.36 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.36 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULFATE, CITRATE, PH 5.4, REMARK 280 VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298.0K 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 80.66667 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 161.33333 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 121.00000 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 201.66667 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 40.33333 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 80.66667 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 161.33333 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 201.66667 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 121.00000 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 40.33333 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 ASYMMETRIC REMARK 300 UNIT TRIMER BY THE OPERATION: 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: 25920 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 45100 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -169.0 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 40.33333 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 A1250 LIES ON A SPECIAL POSITION. REMARK 375 HOH A1257 LIES ON A SPECIAL POSITION. REMARK 375 HOH B1262 LIES ON A SPECIAL POSITION. REMARK 375 HOH B1268 LIES ON A SPECIAL POSITION. REMARK 375 HOH C1265 LIES ON A SPECIAL POSITION. 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 CG CD CE NZ REMARK 470 LYS B 237 CG CD CE NZ REMARK 470 LYS C 237 CG CD CE NZ 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 A 41 -8.71 -140.75 REMARK 500 ARG A 43 13.82 53.02 REMARK 500 ARG A 101 -2.00 77.23 REMARK 500 MET A 180 37.55 -140.81 REMARK 500 GLU A 181 -46.93 -150.23 REMARK 500 ILE A 206 -68.82 43.45 REMARK 500 ARG A 207 -78.53 -56.24 REMARK 500 GLU A 210 -128.61 -88.83 REMARK 500 ASN B 41 19.04 -155.59 REMARK 500 ASP B 147 78.21 -105.15 REMARK 500 ASP B 163 -96.61 -67.65 REMARK 500 GLU B 179 -148.60 -134.68 REMARK 500 ALA B 194 -168.98 -119.90 REMARK 500 THR B 208 45.80 -146.95 REMARK 500 HIS B 209 -127.36 14.70 REMARK 500 GLU B 210 152.40 54.32 REMARK 500 THR B 212 -115.92 -95.56 REMARK 500 MET C 9 107.43 -53.25 REMARK 500 ASN C 41 7.16 -154.77 REMARK 500 HIS C 97 31.31 -78.58 REMARK 500 ARG C 101 -4.56 75.36 REMARK 500 PHE C 120 46.74 -106.32 REMARK 500 ALA C 148 109.49 -166.96 REMARK 500 GLU C 179 -159.82 -128.42 REMARK 500 GLU C 181 -30.48 -141.94 REMARK 500 VAL C 202 97.20 -56.97 REMARK 500 HIS C 209 6.28 58.94 REMARK 500 THR C 212 154.06 -39.55 REMARK 500 ALA C 214 -179.75 55.56 REMARK 500 ARG C 217 -72.31 -76.03 REMARK 500 GLN C 218 -74.58 -44.62 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 ADN A 1245 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ADN B 1246 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ADN C 1247 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1ECP RELATED DB: PDB REMARK 900 RELATED ID: 1K9S RELATED DB: PDB REMARK 900 RELATED ID: 3PNP RELATED DB: PDB REMARK 900 RELATED ID: 1ODJ RELATED DB: PDB REMARK 900 RELATED ID: 1PK9 RELATED DB: PDB REMARK 900 RELATED ID: 1PKE RELATED DB: PDB DBREF 1PK7 A 1 237 UNP P0ABP9 DEOD_ECO57 2 238 DBREF 1PK7 B 1 237 UNP P0ABP9 DEOD_ECO57 2 238 DBREF 1PK7 C 1 237 UNP P0ABP9 DEOD_ECO57 2 238 SEQRES 1 A 237 ALA THR PRO HIS ILE ASN ALA GLU MET GLY ASP PHE ALA SEQRES 2 A 237 ASP VAL VAL LEU MET PRO GLY ASP PRO LEU ARG ALA LYS SEQRES 3 A 237 TYR ILE ALA GLU THR PHE LEU GLU ASP ALA ARG GLU VAL SEQRES 4 A 237 ASN ASN VAL ARG GLY MET LEU GLY PHE THR GLY THR TYR SEQRES 5 A 237 LYS GLY ARG LYS ILE SER VAL MET GLY HIS GLY MET GLY SEQRES 6 A 237 ILE PRO SER CYS SER ILE TYR THR LYS GLU LEU ILE THR SEQRES 7 A 237 ASP PHE GLY VAL LYS LYS ILE ILE ARG VAL GLY SER CYS SEQRES 8 A 237 GLY ALA VAL LEU PRO HIS VAL LYS LEU ARG ASP VAL VAL SEQRES 9 A 237 ILE GLY MET GLY ALA CYS THR ASP SER LYS VAL ASN ARG SEQRES 10 A 237 ILE ARG PHE LYS ASP HIS ASP PHE ALA ALA ILE ALA ASP SEQRES 11 A 237 PHE ASP MET VAL ARG ASN ALA VAL ASP ALA ALA LYS ALA SEQRES 12 A 237 LEU GLY ILE ASP ALA ARG VAL GLY ASN LEU PHE SER ALA SEQRES 13 A 237 ASP LEU PHE TYR SER PRO ASP GLY GLU MET PHE ASP VAL SEQRES 14 A 237 MET GLU LYS TYR GLY ILE LEU GLY VAL GLU MET GLU ALA SEQRES 15 A 237 ALA GLY ILE TYR GLY VAL ALA ALA GLU PHE GLY ALA LYS SEQRES 16 A 237 ALA LEU THR ILE CYS THR VAL SER ASP HIS ILE ARG THR SEQRES 17 A 237 HIS GLU GLN THR THR ALA ALA GLU ARG GLN THR THR PHE SEQRES 18 A 237 ASN ASP MET ILE LYS ILE ALA LEU GLU SER VAL LEU LEU SEQRES 19 A 237 GLY ASP LYS SEQRES 1 B 237 ALA THR PRO HIS ILE ASN ALA GLU MET GLY ASP PHE ALA SEQRES 2 B 237 ASP VAL VAL LEU MET PRO GLY ASP PRO LEU ARG ALA LYS SEQRES 3 B 237 TYR ILE ALA GLU THR PHE LEU GLU ASP ALA ARG GLU VAL SEQRES 4 B 237 ASN ASN VAL ARG GLY MET LEU GLY PHE THR GLY THR TYR SEQRES 5 B 237 LYS GLY ARG LYS ILE SER VAL MET GLY HIS GLY MET GLY SEQRES 6 B 237 ILE PRO SER CYS SER ILE TYR THR LYS GLU LEU ILE THR SEQRES 7 B 237 ASP PHE GLY VAL LYS LYS ILE ILE ARG VAL GLY SER CYS SEQRES 8 B 237 GLY ALA VAL LEU PRO HIS VAL LYS LEU ARG ASP VAL VAL SEQRES 9 B 237 ILE GLY MET GLY ALA CYS THR ASP SER LYS VAL ASN ARG SEQRES 10 B 237 ILE ARG PHE LYS ASP HIS ASP PHE ALA ALA ILE ALA ASP SEQRES 11 B 237 PHE ASP MET VAL ARG ASN ALA VAL ASP ALA ALA LYS ALA SEQRES 12 B 237 LEU GLY ILE ASP ALA ARG VAL GLY ASN LEU PHE SER ALA SEQRES 13 B 237 ASP LEU PHE TYR SER PRO ASP GLY GLU MET PHE ASP VAL SEQRES 14 B 237 MET GLU LYS TYR GLY ILE LEU GLY VAL GLU MET GLU ALA SEQRES 15 B 237 ALA GLY ILE TYR GLY VAL ALA ALA GLU PHE GLY ALA LYS SEQRES 16 B 237 ALA LEU THR ILE CYS THR VAL SER ASP HIS ILE ARG THR SEQRES 17 B 237 HIS GLU GLN THR THR ALA ALA GLU ARG GLN THR THR PHE SEQRES 18 B 237 ASN ASP MET ILE LYS ILE ALA LEU GLU SER VAL LEU LEU SEQRES 19 B 237 GLY ASP LYS SEQRES 1 C 237 ALA THR PRO HIS ILE ASN ALA GLU MET GLY ASP PHE ALA SEQRES 2 C 237 ASP VAL VAL LEU MET PRO GLY ASP PRO LEU ARG ALA LYS SEQRES 3 C 237 TYR ILE ALA GLU THR PHE LEU GLU ASP ALA ARG GLU VAL SEQRES 4 C 237 ASN ASN VAL ARG GLY MET LEU GLY PHE THR GLY THR TYR SEQRES 5 C 237 LYS GLY ARG LYS ILE SER VAL MET GLY HIS GLY MET GLY SEQRES 6 C 237 ILE PRO SER CYS SER ILE TYR THR LYS GLU LEU ILE THR SEQRES 7 C 237 ASP PHE GLY VAL LYS LYS ILE ILE ARG VAL GLY SER CYS SEQRES 8 C 237 GLY ALA VAL LEU PRO HIS VAL LYS LEU ARG ASP VAL VAL SEQRES 9 C 237 ILE GLY MET GLY ALA CYS THR ASP SER LYS VAL ASN ARG SEQRES 10 C 237 ILE ARG PHE LYS ASP HIS ASP PHE ALA ALA ILE ALA ASP SEQRES 11 C 237 PHE ASP MET VAL ARG ASN ALA VAL ASP ALA ALA LYS ALA SEQRES 12 C 237 LEU GLY ILE ASP ALA ARG VAL GLY ASN LEU PHE SER ALA SEQRES 13 C 237 ASP LEU PHE TYR SER PRO ASP GLY GLU MET PHE ASP VAL SEQRES 14 C 237 MET GLU LYS TYR GLY ILE LEU GLY VAL GLU MET GLU ALA SEQRES 15 C 237 ALA GLY ILE TYR GLY VAL ALA ALA GLU PHE GLY ALA LYS SEQRES 16 C 237 ALA LEU THR ILE CYS THR VAL SER ASP HIS ILE ARG THR SEQRES 17 C 237 HIS GLU GLN THR THR ALA ALA GLU ARG GLN THR THR PHE SEQRES 18 C 237 ASN ASP MET ILE LYS ILE ALA LEU GLU SER VAL LEU LEU SEQRES 19 C 237 GLY ASP LYS HET PO4 A1248 5 HET ADN A1245 19 HET PO4 B1249 5 HET ADN B1246 19 HET PO4 C1250 5 HET ADN C1247 19 HETNAM PO4 PHOSPHATE ION HETNAM ADN ADENOSINE FORMUL 4 PO4 3(O4 P 3-) FORMUL 5 ADN 3(C10 H13 N5 O4) FORMUL 10 HOH *255(H2 O) HELIX 1 1 ASP A 21 PHE A 32 1 12 HELIX 2 2 ASN A 41 MET A 45 5 5 HELIX 3 3 GLY A 65 PHE A 80 1 16 HELIX 4 4 LYS A 114 PHE A 120 1 7 HELIX 5 5 ASP A 130 LEU A 144 1 15 HELIX 6 6 GLU A 165 TYR A 173 1 9 HELIX 7 7 GLU A 181 PHE A 192 1 12 HELIX 8 8 THR A 213 ASP A 236 1 24 HELIX 9 9 ASP B 21 LEU B 33 1 13 HELIX 10 10 ASN B 41 MET B 45 5 5 HELIX 11 11 GLY B 65 PHE B 80 1 16 HELIX 12 12 LYS B 114 PHE B 120 1 7 HELIX 13 13 ASP B 130 LEU B 144 1 15 HELIX 14 14 GLU B 165 TYR B 173 1 9 HELIX 15 15 GLU B 181 PHE B 192 1 12 HELIX 16 16 THR B 213 LYS B 237 1 25 HELIX 17 17 ASP C 21 LEU C 33 1 13 HELIX 18 18 ASN C 41 MET C 45 5 5 HELIX 19 19 GLY C 65 PHE C 80 1 16 HELIX 20 20 LYS C 114 PHE C 120 1 7 HELIX 21 21 ASP C 130 LEU C 144 1 15 HELIX 22 22 GLU C 165 TYR C 173 1 9 HELIX 23 23 GLU C 181 PHE C 192 1 12 HELIX 24 24 ALA C 215 LYS C 237 1 23 SHEET 1 A10 GLU A 34 ASN A 40 0 SHEET 2 A10 GLY A 47 TYR A 52 -1 O THR A 51 N GLU A 34 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 ALA A 148 SER A 155 1 O LEU A 153 N CYS A 110 SHEET 9 A10 ILE A 175 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 51 N GLU B 34 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 MET B 60 SHEET 5 B10 LYS B 84 ALA B 93 1 O ILE B 86 N MET B 18 SHEET 6 B10 LYS B 195 HIS B 205 1 O LEU B 197 N ARG B 87 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 LEU B 153 N CYS B 110 SHEET 9 B10 ILE B 175 GLU B 179 1 O LEU B 176 N ASN B 152 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 GLY C 47 N ASN C 40 SHEET 3 C10 ARG C 55 MET C 60 -1 O VAL C 59 N PHE C 48 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 ASP C 204 N ALA C 93 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 LEU C 153 N CYS C 110 SHEET 9 C10 GLY C 177 GLU C 179 1 O GLY C 177 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 ADN A1245 SITE 1 AC2 8 GLY B 20 ARG B 87 GLY B 89 SER B 90 SITE 2 AC2 8 ADN B1246 HOH B1253 ARG C 43 HOH C1282 SITE 1 AC3 7 ARG B 43 GLY C 20 ARG C 24 ARG C 87 SITE 2 AC3 7 GLY C 89 SER C 90 ADN C1247 SITE 1 AC4 13 HIS A 4 ARG A 43 MET A 64 ARG A 87 SITE 2 AC4 13 SER A 90 GLY A 92 PHE A 159 GLU A 179 SITE 3 AC4 13 MET A 180 GLU A 181 SER A 203 ASP A 204 SITE 4 AC4 13 PO4 A1248 SITE 1 AC5 11 SER B 90 GLY B 92 PHE B 159 VAL B 178 SITE 2 AC5 11 GLU B 179 MET B 180 GLU B 181 ILE B 206 SITE 3 AC5 11 PO4 B1249 HIS C 4 HOH C1282 SITE 1 AC6 13 HIS B 4 ARG C 87 SER C 90 CYS C 91 SITE 2 AC6 13 GLY C 92 PHE C 159 VAL C 178 GLU C 179 SITE 3 AC6 13 MET C 180 GLU C 181 ASP C 204 PO4 C1250 SITE 4 AC6 13 HOH C1289 CRYST1 121.800 121.800 242.000 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 0.008210 0.004740 0.000000 0.00000 SCALE2 0.000000 0.009480 0.000000 0.00000 SCALE3 0.000000 0.000000 0.004132 0.00000