HEADER TRANSFERASE 11-APR-03 1P18 TITLE HYPOXANTHINE PHOSPHORIBOSYLTRANSFERASE FROM TRYPANOSOMA CRUZI, K68R TITLE 2 MUTANT, TERNARY SUBSTRATES COMPLEX COMPND MOL_ID: 1; COMPND 2 MOLECULE: HYPOXANTHINE PHOSPHORIBOSYLTRANSFERASE; COMPND 3 CHAIN: A, B; COMPND 4 EC: 2.4.2.8; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: TRYPANOSOMA CRUZI; SOURCE 3 ORGANISM_TAXID: 5693; SOURCE 4 GENE: HGPRT; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PTCPRT KEYWDS TRANSFERASE, GLYCOSYLTRANSFERASE, PHOSPHORIBOSYLTRANSFERASE, KEYWDS 2 NUCLEOTIDE METABOLISM, PURINE SALVAGE, TERNARY COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR B.CANYUK,A.E.EAKIN,S.P.CRAIG III REVDAT 5 14-FEB-24 1P18 1 REMARK REVDAT 4 27-OCT-21 1P18 1 SEQADV HETSYN REVDAT 3 29-JUL-20 1P18 1 COMPND REMARK HETNAM LINK REVDAT 3 2 1 SITE REVDAT 2 24-FEB-09 1P18 1 VERSN REVDAT 1 18-MAY-04 1P18 0 JRNL AUTH B.CANYUK,F.J.MEDRANO,M.A.WENCK,P.J.FOCIA,A.E.EAKIN, JRNL AUTH 2 S.P.CRAIG III JRNL TITL INTERACTIONS AT THE DIMER INTERFACE INFLUENCE THE RELATIVE JRNL TITL 2 EFFICIENCIES FOR PURINE NUCLEOTIDE SYNTHESIS AND JRNL TITL 3 PYROPHOSPHOROLYSIS IN A PHOSPHORIBOSYLTRANSFERASE JRNL REF J.MOL.BIOL. V. 335 905 2004 JRNL REFN ISSN 0022-2836 JRNL PMID 14698288 JRNL DOI 10.1016/J.JMB.2003.11.012 REMARK 2 REMARK 2 RESOLUTION. 2.00 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) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 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 : 26732 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.210 REMARK 3 FREE R VALUE : 0.293 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 2022 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 : 3025 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 68 REMARK 3 SOLVENT ATOMS : 109 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 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 : PARHCSDX.PRO REMARK 3 PARAMETER FILE 2 : PARAM11X.DNA (MODIFIED FOR 7HP) REMARK 3 PARAMETER FILE 3 : PRPP.PAR REMARK 3 PARAMETER FILE 4 : PARAM19.ION (MODIFIED) REMARK 3 PARAMETER FILE 5 : PARAM11.WAT REMARK 3 PARAMETER FILE 6 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : TOPH11.DNA (MODIFIED FOR 7HP) REMARK 3 TOPOLOGY FILE 3 : PRPP.TOP REMARK 3 TOPOLOGY FILE 4 : TOPH19.ION (MODIFIED) REMARK 3 TOPOLOGY FILE 5 : TOPH11.WAT REMARK 3 TOPOLOGY FILE 6 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1P18 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 13-JUN-03. REMARK 100 THE DEPOSITION ID IS D_1000018888. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 03-AUG-99 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 4.4 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL7-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.08 REMARK 200 MONOCHROMATOR : SI III REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 26777 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.8 REMARK 200 DATA REDUNDANCY : 3.300 REMARK 200 R MERGE (I) : 0.08400 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 15.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.05 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.9 REMARK 200 DATA REDUNDANCY IN SHELL : 3.30 REMARK 200 R MERGE FOR SHELL (I) : 0.37900 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 3.200 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 39.46 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.03 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 6000, SODIUM ACETATE, AMMONIUM REMARK 280 ACETATE, PH 4.4, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y+1/2,-Z 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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 51.05000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 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 DIMER IS CONTAINED IN THE ASYMMETRIC UNIT 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: 5780 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 15530 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -69.0 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 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 PRO A 2 REMARK 465 ARG A 3 REMARK 465 GLU A 4 REMARK 465 GLU A 192 REMARK 465 ARG A 193 REMARK 465 GLU A 194 REMARK 465 ALA A 195 REMARK 465 ALA A 196 REMARK 465 ARG A 197 REMARK 465 GLN A 198 REMARK 465 LYS A 199 REMARK 465 LYS A 200 REMARK 465 GLN A 201 REMARK 465 ARG A 202 REMARK 465 ALA A 203 REMARK 465 ILE A 204 REMARK 465 GLY A 205 REMARK 465 SER A 206 REMARK 465 ALA A 207 REMARK 465 ASP A 208 REMARK 465 THR A 209 REMARK 465 ASP A 210 REMARK 465 ARG A 211 REMARK 465 ASP A 212 REMARK 465 ALA A 213 REMARK 465 LYS A 214 REMARK 465 ARG A 215 REMARK 465 GLU A 216 REMARK 465 PHE A 217 REMARK 465 HIS A 218 REMARK 465 SER A 219 REMARK 465 LYS A 220 REMARK 465 TYR A 221 REMARK 465 MET B 1 REMARK 465 PRO B 2 REMARK 465 ARG B 3 REMARK 465 GLU B 4 REMARK 465 LYS B 199 REMARK 465 LYS B 200 REMARK 465 GLN B 201 REMARK 465 ARG B 202 REMARK 465 ALA B 203 REMARK 465 ILE B 204 REMARK 465 GLY B 205 REMARK 465 SER B 206 REMARK 465 ALA B 207 REMARK 465 ASP B 208 REMARK 465 THR B 209 REMARK 465 ASP B 210 REMARK 465 ARG B 211 REMARK 465 ASP B 212 REMARK 465 ALA B 213 REMARK 465 LYS B 214 REMARK 465 ARG B 215 REMARK 465 GLU B 216 REMARK 465 PHE B 217 REMARK 465 HIS B 218 REMARK 465 SER B 219 REMARK 465 LYS B 220 REMARK 465 TYR B 221 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 GLU A 9 CG CD OE1 OE2 REMARK 470 LYS A 34 CG CD CE NZ REMARK 470 LYS A 36 CG CD CE NZ REMARK 470 ARG A 39 CG CD NE CZ NH1 NH2 REMARK 470 GLU A 84 CG CD OE1 OE2 REMARK 470 LEU A 86 CG CD1 CD2 REMARK 470 SER A 88 OG REMARK 470 ARG A 99 CG CD NE CZ NH1 NH2 REMARK 470 ARG A 131 CG CD NE CZ NH1 NH2 REMARK 470 GLU A 145 CG CD OE1 OE2 REMARK 470 GLU A 188 CG CD OE1 OE2 REMARK 470 TYR A 190 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 LYS B 36 CG CD CE NZ REMARK 470 LEU B 95 CG CD1 CD2 REMARK 470 GLU B 145 CG CD OE1 OE2 REMARK 470 GLN B 198 CG CD OE1 NE2 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 36 1.44 -63.40 REMARK 500 TYR A 41 -54.82 76.12 REMARK 500 SER A 88 -53.97 75.47 REMARK 500 SER A 89 4.88 -61.63 REMARK 500 ASP A 115 -92.19 -127.90 REMARK 500 PRO A 161 -174.29 -68.25 REMARK 500 ASN A 162 46.25 -86.82 REMARK 500 TYR B 41 -57.15 71.83 REMARK 500 SER B 81 -58.41 -141.75 REMARK 500 ASP B 115 -91.98 -117.11 REMARK 500 GLU B 145 43.05 -93.00 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 B 172 0.08 SIDE CHAIN 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 900 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 111 OE2 REMARK 620 2 ASP A 112 OD1 61.0 REMARK 620 3 PRP A 801 O3 81.9 104.3 REMARK 620 4 PRP A 801 O1 146.4 119.8 65.0 REMARK 620 5 PRP A 801 O2 126.4 68.2 95.3 55.4 REMARK 620 6 PRP A 801 O3B 145.6 104.4 132.4 67.8 62.1 REMARK 620 7 HOH A6402 O 90.5 85.7 162.3 122.9 102.0 56.1 REMARK 620 8 HOH A6403 O 108.4 162.4 87.0 77.0 125.0 76.3 80.2 REMARK 620 N 1 2 3 4 5 6 7 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 902 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 171 OD1 REMARK 620 2 PRP A 801 O2A 147.8 REMARK 620 3 PRP A 801 O1B 78.7 69.6 REMARK 620 4 HOH A6404 O 96.3 80.0 73.2 REMARK 620 5 HOH A6405 O 102.4 109.2 177.9 108.3 REMARK 620 6 HOH A6406 O 95.5 72.0 75.8 143.8 102.3 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 912 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP B 171 OD1 REMARK 620 2 PRP B 811 O2A 175.4 REMARK 620 3 PRP B 811 O1B 85.8 91.8 REMARK 620 4 HOH B6407 O 86.2 98.1 99.0 REMARK 620 5 HOH B6408 O 82.1 100.2 167.9 81.1 REMARK 620 6 HOH B6409 O 69.3 106.2 70.1 153.4 104.5 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 910 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 PRP B 811 O3 REMARK 620 2 PRP B 811 O3B 148.7 REMARK 620 3 PRP B 811 O1 71.1 77.8 REMARK 620 4 PRP B 811 O2 85.5 85.3 65.4 REMARK 620 5 HOH B6410 O 121.8 89.4 162.3 101.8 REMARK 620 6 HOH B6411 O 84.5 84.6 76.7 142.0 114.7 REMARK 620 N 1 2 3 4 5 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1TC1 RELATED DB: PDB REMARK 900 RELATED ID: 1TC2 RELATED DB: PDB REMARK 900 RELATED ID: 1P17 RELATED DB: PDB REMARK 900 RELATED ID: 1P19 RELATED DB: PDB REMARK 999 REMARK 999 SEQUENCE REMARK 999 THE HPRT WAS CLONED FROM A DIFFERENT STRAIN OF REMARK 999 TRYPANOSOMA CRUZI AND VARIES FROM THE REPORTED REMARK 999 SEQUENCE AT THESE RESIDUES. DBREF 1P18 A 1 221 UNP Q27796 Q27796_TRYCR 1 221 DBREF 1P18 B 1 221 UNP Q27796 Q27796_TRYCR 1 221 SEQADV 1P18 LYS A 23 UNP Q27796 MET 23 SEE REMARK 999 SEQADV 1P18 ARG A 52 UNP Q27796 LYS 52 ENGINEERED MUTATION SEQADV 1P18 CYS A 66 UNP Q27796 SER 66 SEE REMARK 999 SEQADV 1P18 LEU A 86 UNP Q27796 VAL 86 SEE REMARK 999 SEQADV 1P18 LYS B 23 UNP Q27796 MET 23 SEE REMARK 999 SEQADV 1P18 ARG B 52 UNP Q27796 LYS 52 ENGINEERED MUTATION SEQADV 1P18 CYS B 66 UNP Q27796 SER 66 SEE REMARK 999 SEQADV 1P18 LEU B 86 UNP Q27796 VAL 86 SEE REMARK 999 SEQRES 1 A 221 MET PRO ARG GLU TYR GLU PHE ALA GLU LYS ILE LEU PHE SEQRES 2 A 221 THR GLU GLU GLU ILE ARG THR ARG ILE LYS GLU VAL ALA SEQRES 3 A 221 LYS ARG ILE ALA ASP ASP TYR LYS GLY LYS GLY LEU ARG SEQRES 4 A 221 PRO TYR VAL ASN PRO LEU VAL LEU ILE SER VAL LEU ARG SEQRES 5 A 221 GLY SER PHE MET PHE THR ALA ASP LEU CYS ARG ALA LEU SEQRES 6 A 221 CYS ASP PHE ASN VAL PRO VAL ARG MET GLU PHE ILE CYS SEQRES 7 A 221 VAL SER SER TYR GLY GLU GLY LEU THR SER SER GLY GLN SEQRES 8 A 221 VAL ARG MET LEU LEU ASP THR ARG HIS SER ILE GLU GLY SEQRES 9 A 221 HIS HIS VAL LEU ILE VAL GLU ASP ILE VAL ASP THR ALA SEQRES 10 A 221 LEU THR LEU ASN TYR LEU TYR HIS MET TYR PHE THR ARG SEQRES 11 A 221 ARG PRO ALA SER LEU LYS THR VAL VAL LEU LEU ASP LYS SEQRES 12 A 221 ARG GLU GLY ARG ARG VAL PRO PHE SER ALA ASP TYR VAL SEQRES 13 A 221 VAL ALA ASN ILE PRO ASN ALA PHE VAL ILE GLY TYR GLY SEQRES 14 A 221 LEU ASP TYR ASP ASP THR TYR ARG GLU LEU ARG ASP ILE SEQRES 15 A 221 VAL VAL LEU ARG PRO GLU VAL TYR ALA GLU ARG GLU ALA SEQRES 16 A 221 ALA ARG GLN LYS LYS GLN ARG ALA ILE GLY SER ALA ASP SEQRES 17 A 221 THR ASP ARG ASP ALA LYS ARG GLU PHE HIS SER LYS TYR SEQRES 1 B 221 MET PRO ARG GLU TYR GLU PHE ALA GLU LYS ILE LEU PHE SEQRES 2 B 221 THR GLU GLU GLU ILE ARG THR ARG ILE LYS GLU VAL ALA SEQRES 3 B 221 LYS ARG ILE ALA ASP ASP TYR LYS GLY LYS GLY LEU ARG SEQRES 4 B 221 PRO TYR VAL ASN PRO LEU VAL LEU ILE SER VAL LEU ARG SEQRES 5 B 221 GLY SER PHE MET PHE THR ALA ASP LEU CYS ARG ALA LEU SEQRES 6 B 221 CYS ASP PHE ASN VAL PRO VAL ARG MET GLU PHE ILE CYS SEQRES 7 B 221 VAL SER SER TYR GLY GLU GLY LEU THR SER SER GLY GLN SEQRES 8 B 221 VAL ARG MET LEU LEU ASP THR ARG HIS SER ILE GLU GLY SEQRES 9 B 221 HIS HIS VAL LEU ILE VAL GLU ASP ILE VAL ASP THR ALA SEQRES 10 B 221 LEU THR LEU ASN TYR LEU TYR HIS MET TYR PHE THR ARG SEQRES 11 B 221 ARG PRO ALA SER LEU LYS THR VAL VAL LEU LEU ASP LYS SEQRES 12 B 221 ARG GLU GLY ARG ARG VAL PRO PHE SER ALA ASP TYR VAL SEQRES 13 B 221 VAL ALA ASN ILE PRO ASN ALA PHE VAL ILE GLY TYR GLY SEQRES 14 B 221 LEU ASP TYR ASP ASP THR TYR ARG GLU LEU ARG ASP ILE SEQRES 15 B 221 VAL VAL LEU ARG PRO GLU VAL TYR ALA GLU ARG GLU ALA SEQRES 16 B 221 ALA ARG GLN LYS LYS GLN ARG ALA ILE GLY SER ALA ASP SEQRES 17 B 221 THR ASP ARG ASP ALA LYS ARG GLU PHE HIS SER LYS TYR HET MG A 900 1 HET MG A 902 1 HET 7HP A 800 10 HET PRP A 801 22 HET MG B 912 1 HET MG B 910 1 HET 7HP B 810 10 HET PRP B 811 22 HETNAM MG MAGNESIUM ION HETNAM 7HP 7-HYDROXY-PYRAZOLO[4,3-D]PYRIMIDINE HETNAM PRP 1-O-PYROPHOSPHONO-5-O-PHOSPHONO-ALPHA-D-RIBOFURANOSE HETSYN PRP ALPHA-PHOSPHORIBOSYLPYROPHOSPHORIC ACID; 1-O- HETSYN 2 PRP PYROPHOSPHONO-5-O-PHOSPHONO-ALPHA-D-RIBOSE; 1-O- HETSYN 3 PRP PYROPHOSPHONO-5-O-PHOSPHONO-D-RIBOSE; 1-O- HETSYN 4 PRP PYROPHOSPHONO-5-O-PHOSPHONO-RIBOSE FORMUL 3 MG 4(MG 2+) FORMUL 5 7HP 2(C5 H4 N4 O) FORMUL 6 PRP 2(C5 H13 O14 P3) FORMUL 11 HOH *109(H2 O) HELIX 1 1 THR A 14 TYR A 33 1 20 HELIX 2 2 GLY A 53 PHE A 68 1 16 HELIX 3 3 ALA A 117 THR A 129 1 13 HELIX 4 4 ARG A 144 ARG A 147 5 4 HELIX 5 5 THR B 14 TYR B 33 1 20 HELIX 6 6 LYS B 34 GLY B 37 5 4 HELIX 7 7 SER B 54 PHE B 68 1 15 HELIX 8 8 ALA B 117 THR B 129 1 13 HELIX 9 9 ARG B 186 GLN B 198 1 13 SHEET 1 A 3 ALA A 8 PHE A 13 0 SHEET 2 A 3 ILE A 182 LEU A 185 -1 O VAL A 184 N LYS A 10 SHEET 3 A 3 VAL A 165 ILE A 166 -1 N ILE A 166 O VAL A 183 SHEET 1 B 6 ARG A 93 LEU A 96 0 SHEET 2 B 6 VAL A 72 SER A 80 -1 N CYS A 78 O LEU A 95 SHEET 3 B 6 LEU A 45 VAL A 50 1 N LEU A 47 O ARG A 73 SHEET 4 B 6 HIS A 106 VAL A 114 1 O LEU A 108 N VAL A 46 SHEET 5 B 6 SER A 134 ASP A 142 1 O LYS A 136 N ILE A 109 SHEET 6 B 6 TYR A 155 ASN A 159 1 O TYR A 155 N VAL A 139 SHEET 1 C 3 ALA B 8 PHE B 13 0 SHEET 2 C 3 ILE B 182 LEU B 185 -1 O VAL B 184 N GLU B 9 SHEET 3 C 3 VAL B 165 ILE B 166 -1 N ILE B 166 O VAL B 183 SHEET 1 D 6 ARG B 93 LEU B 96 0 SHEET 2 D 6 VAL B 72 SER B 80 -1 N SER B 80 O ARG B 93 SHEET 3 D 6 LEU B 45 LEU B 51 1 N SER B 49 O GLU B 75 SHEET 4 D 6 HIS B 106 VAL B 114 1 O HIS B 106 N VAL B 46 SHEET 5 D 6 SER B 134 ASP B 142 1 O LYS B 136 N ILE B 109 SHEET 6 D 6 TYR B 155 ASN B 159 1 O ALA B 158 N ASP B 142 LINK OE2 GLU A 111 MG MG A 900 1555 1555 2.55 LINK OD1 ASP A 112 MG MG A 900 1555 1555 2.87 LINK OD1 ASP A 171 MG MG A 902 1555 1555 2.15 LINK O3 PRP A 801 MG MG A 900 1555 1555 2.03 LINK O1 PRP A 801 MG MG A 900 1555 1555 2.70 LINK O2 PRP A 801 MG MG A 900 1555 1555 2.18 LINK O3B PRP A 801 MG MG A 900 1555 1555 2.68 LINK O2A PRP A 801 MG MG A 902 1555 1555 2.01 LINK O1B PRP A 801 MG MG A 902 1555 1555 2.36 LINK MG MG A 900 O HOH A6402 1555 1555 2.01 LINK MG MG A 900 O HOH A6403 1555 1555 2.28 LINK MG MG A 902 O HOH A6404 1555 1555 1.92 LINK MG MG A 902 O HOH A6405 1555 1555 2.37 LINK MG MG A 902 O HOH A6406 1555 1555 2.20 LINK OD1 ASP B 171 MG MG B 912 1555 1555 2.32 LINK O3 PRP B 811 MG MG B 910 1555 1555 2.09 LINK O3B PRP B 811 MG MG B 910 1555 1555 2.49 LINK O1 PRP B 811 MG MG B 910 1555 1555 2.60 LINK O2 PRP B 811 MG MG B 910 1555 1555 2.15 LINK O2A PRP B 811 MG MG B 912 1555 1555 2.12 LINK O1B PRP B 811 MG MG B 912 1555 1555 2.29 LINK MG MG B 910 O HOH B6410 1555 1555 1.96 LINK MG MG B 910 O HOH B6411 1555 1555 2.21 LINK MG MG B 912 O HOH B6407 1555 1555 1.95 LINK MG MG B 912 O HOH B6408 1555 1555 2.18 LINK MG MG B 912 O HOH B6409 1555 1555 2.34 CISPEP 1 LEU A 51 ARG A 52 0 0.75 CISPEP 2 LEU B 51 ARG B 52 0 2.32 CRYST1 39.500 102.100 51.800 90.00 94.30 90.00 P 1 21 1 4 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 0.025316 0.000000 0.001904 0.00000 SCALE2 0.000000 0.009794 0.000000 0.00000 SCALE3 0.000000 0.000000 0.019360 0.00000