HEADER OXIDOREDUCTASE 08-AUG-02 1MEI TITLE INOSINE MONOPHOSPHATE DEHYDROGENASE (IMPDH) FROM TRITRICHOMONAS FOETUS TITLE 2 WITH XMP AND MYCOPHENOLIC ACID BOUND COMPND MOL_ID: 1; COMPND 2 MOLECULE: INOSINE-5'-MONOPHOSPHATE DEHYDROGENASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: IMP DEHYDROGENASE, IMPDH; COMPND 5 EC: 1.1.1.205; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: TRITRICHOMONAS FOETUS; SOURCE 3 ORGANISM_TAXID: 5724; SOURCE 4 GENE: IMPDH; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: H712; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PBACE KEYWDS ALPHA BETA BARREL, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR G.L.PROSISE,H.LUECKE REVDAT 3 13-NOV-24 1MEI 1 REMARK LINK ATOM REVDAT 2 24-FEB-09 1MEI 1 VERSN REVDAT 1 12-AUG-03 1MEI 0 JRNL AUTH G.L.PROSISE,H.LUECKE JRNL TITL CRYSTAL STRUCTURES OF TRITRICHOMONAS FOETUS INOSINE JRNL TITL 2 MONOPHOSPHATE DEHYDROGENASE IN COMPLEX WITH SUBSTRATE, JRNL TITL 3 COFACTOR AND ANALOGS: A STRUCTURAL BASIS FOR THE RANDOM-IN JRNL TITL 4 ORDERED-OUT KINETIC MECHANISM JRNL REF J.MOL.BIOL. V. 326 517 2003 JRNL REFN ISSN 0022-2836 JRNL PMID 12559919 JRNL DOI 10.1016/S0022-2836(02)01383-9 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 : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 33.06 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 3510188.210 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.5 REMARK 3 NUMBER OF REFLECTIONS : 32648 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) : 0.227 REMARK 3 FREE R VALUE : 0.257 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.200 REMARK 3 FREE R VALUE TEST SET COUNT : 1709 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.006 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) (%) : 96.60 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 4936 REMARK 3 BIN R VALUE (WORKING SET) : 0.2710 REMARK 3 BIN FREE R VALUE : 0.2930 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.00 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 259 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.018 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2690 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 48 REMARK 3 SOLVENT ATOMS : 180 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 27.40 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 37.30 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) : 0.27 REMARK 3 ESD FROM SIGMAA (A) : 0.23 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) : 0.32 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.28 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.200 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 22.50 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.680 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) : 1.230 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.190 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.610 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.520 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.34 REMARK 3 BSOL : 35.45 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 : PARAM.GNSOL REMARK 3 PARAMETER FILE 3 : CIS_PEPTIDE.PARAM REMARK 3 PARAMETER FILE 4 : MPA.PAR REMARK 3 PARAMETER FILE 5 : XMP.PAR REMARK 3 PARAMETER FILE 6 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : XMP.TOP REMARK 3 TOPOLOGY FILE 3 : MPA.TOP REMARK 3 TOPOLOGY FILE 4 : K.TOP REMARK 3 TOPOLOGY FILE 5 : TOPH.GNSOL REMARK 3 TOPOLOGY FILE 6 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1MEI COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 16-AUG-02. REMARK 100 THE DEPOSITION ID IS D_1000016853. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 11-APR-01 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL9-1 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 : NULL 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 : 32815 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.200 REMARK 200 RESOLUTION RANGE LOW (A) : 99.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 200 DATA REDUNDANCY : 4.700 REMARK 200 R MERGE (I) : 0.06600 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 21.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.24 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.7 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.50000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.900 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: PDB ENTRY 1AK5 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 56.02 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.80 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: SODIUM MALONATE, TRIS, 2 REMARK 280 -MERCAPTOETHANOL, EDTA, GLYCEROL, PH 7.5, VAPOR DIFFUSION, REMARK 280 SITTING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 4 3 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z REMARK 290 3555 -X,Y,-Z REMARK 290 4555 X,-Y,-Z REMARK 290 5555 Z,X,Y REMARK 290 6555 Z,-X,-Y REMARK 290 7555 -Z,-X,Y REMARK 290 8555 -Z,X,-Y REMARK 290 9555 Y,Z,X REMARK 290 10555 -Y,Z,-X REMARK 290 11555 Y,-Z,-X REMARK 290 12555 -Y,-Z,X REMARK 290 13555 Y,X,-Z REMARK 290 14555 -Y,-X,-Z REMARK 290 15555 Y,-X,Z REMARK 290 16555 -Y,X,Z REMARK 290 17555 X,Z,-Y REMARK 290 18555 -X,Z,Y REMARK 290 19555 -X,-Z,-Y REMARK 290 20555 X,-Z,Y REMARK 290 21555 Z,Y,-X REMARK 290 22555 Z,-Y,X REMARK 290 23555 -Z,Y,X REMARK 290 24555 -Z,-Y,-X 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 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 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 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 0.00000 REMARK 290 SMTRY2 6 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY1 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY2 7 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY2 8 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 -1.000000 0.000000 0.00000 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 0.00000 REMARK 290 SMTRY3 10 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY1 11 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 11 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY3 11 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY1 12 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 12 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY3 12 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY1 13 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 13 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 13 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 14 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 14 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 14 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 15 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 15 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 15 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 16 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 16 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 16 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 17 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 17 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY3 17 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY1 18 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 18 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY3 18 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY1 19 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 19 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY3 19 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY1 20 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 20 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY3 20 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY1 21 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY2 21 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 21 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY1 22 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY2 22 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 22 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY1 23 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY2 23 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 23 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY1 24 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY2 24 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 24 -1.000000 0.000000 0.000000 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 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: TETRAMERIC 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 -1.000000 0.000000 0.000000 155.07000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 155.07000 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT2 3 -1.000000 0.000000 0.000000 155.07000 REMARK 350 BIOMT3 3 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 4 0.000000 -1.000000 0.000000 155.07000 REMARK 350 BIOMT2 4 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT3 4 0.000000 0.000000 1.000000 0.00000 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 A1031 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 GLY A 102 REMARK 465 PHE A 103 REMARK 465 VAL A 104 REMARK 465 VAL A 105 REMARK 465 SER A 106 REMARK 465 ASP A 107 REMARK 465 SER A 108 REMARK 465 ASN A 109 REMARK 465 VAL A 110 REMARK 465 LYS A 111 REMARK 465 PRO A 112 REMARK 465 ASP A 113 REMARK 465 GLN A 114 REMARK 465 THR A 115 REMARK 465 PHE A 116 REMARK 465 ALA A 117 REMARK 465 ASP A 118 REMARK 465 VAL A 119 REMARK 465 LEU A 120 REMARK 465 ALA A 121 REMARK 465 ILE A 122 REMARK 465 SER A 123 REMARK 465 GLN A 124 REMARK 465 ARG A 125 REMARK 465 THR A 126 REMARK 465 THR A 127 REMARK 465 HIS A 128 REMARK 465 ASN A 129 REMARK 465 THR A 130 REMARK 465 VAL A 131 REMARK 465 ALA A 132 REMARK 465 VAL A 133 REMARK 465 THR A 134 REMARK 465 ASP A 135 REMARK 465 ASP A 136 REMARK 465 GLY A 137 REMARK 465 THR A 138 REMARK 465 PRO A 139 REMARK 465 HIS A 140 REMARK 465 GLY A 141 REMARK 465 VAL A 142 REMARK 465 LEU A 143 REMARK 465 LEU A 144 REMARK 465 GLY A 145 REMARK 465 LEU A 146 REMARK 465 VAL A 147 REMARK 465 THR A 148 REMARK 465 GLN A 149 REMARK 465 ARG A 150 REMARK 465 ASP A 151 REMARK 465 TYR A 152 REMARK 465 PRO A 153 REMARK 465 ILE A 154 REMARK 465 ASP A 155 REMARK 465 LEU A 156 REMARK 465 THR A 157 REMARK 465 GLN A 158 REMARK 465 THR A 159 REMARK 465 GLU A 160 REMARK 465 THR A 161 REMARK 465 LYS A 162 REMARK 465 VAL A 163 REMARK 465 SER A 164 REMARK 465 ASP A 165 REMARK 465 MET A 166 REMARK 465 MET A 167 REMARK 465 THR A 168 REMARK 465 PRO A 169 REMARK 465 PHE A 170 REMARK 465 SER A 171 REMARK 465 LYS A 172 REMARK 465 LEU A 173 REMARK 465 VAL A 174 REMARK 465 THR A 175 REMARK 465 ALA A 176 REMARK 465 HIS A 177 REMARK 465 GLN A 178 REMARK 465 ASP A 179 REMARK 465 THR A 180 REMARK 465 LYS A 181 REMARK 465 LEU A 182 REMARK 465 SER A 183 REMARK 465 GLU A 184 REMARK 465 ALA A 185 REMARK 465 ASN A 186 REMARK 465 LYS A 187 REMARK 465 ILE A 188 REMARK 465 ILE A 189 REMARK 465 TRP A 190 REMARK 465 GLU A 191 REMARK 465 LYS A 192 REMARK 465 LYS A 193 REMARK 465 LEU A 194 REMARK 465 ASN A 195 REMARK 465 ALA A 196 REMARK 465 LEU A 197 REMARK 465 PRO A 198 REMARK 465 ILE A 199 REMARK 465 ILE A 200 REMARK 465 ASP A 201 REMARK 465 ASP A 202 REMARK 465 ASP A 203 REMARK 465 GLN A 204 REMARK 465 HIS A 205 REMARK 465 LEU A 206 REMARK 465 ARG A 207 REMARK 465 TYR A 208 REMARK 465 ILE A 209 REMARK 465 VAL A 210 REMARK 465 PHE A 211 REMARK 465 ARG A 212 REMARK 465 LYS A 213 REMARK 465 ASP A 214 REMARK 465 TYR A 215 REMARK 465 ASP A 216 REMARK 465 ARG A 217 REMARK 465 SER A 218 REMARK 465 GLN A 219 REMARK 465 VAL A 220 REMARK 465 CYS A 221 REMARK 465 GLN A 417 REMARK 465 ARG A 418 REMARK 465 TYR A 419 REMARK 465 ASP A 420 REMARK 465 LEU A 421 REMARK 465 GLY A 422 REMARK 465 GLY A 423 REMARK 465 LYS A 424 REMARK 465 GLN A 425 REMARK 465 LYS A 426 REMARK 465 LEU A 427 REMARK 465 VAL A 484 REMARK 465 GLU A 485 REMARK 465 GLY A 486 REMARK 465 GLY A 487 REMARK 465 ALA A 488 REMARK 465 HIS A 489 REMARK 465 ASP A 490 REMARK 465 VAL A 491 REMARK 465 ILE A 492 REMARK 465 VAL A 493 REMARK 465 LYS A 494 REMARK 465 ASP A 495 REMARK 465 ARG A 496 REMARK 465 ILE A 497 REMARK 465 ASN A 498 REMARK 465 ASP A 499 REMARK 465 TYR A 500 REMARK 465 HIS A 501 REMARK 465 PRO A 502 REMARK 465 LYS A 503 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 53 34.85 -75.12 REMARK 500 VAL A 62 -63.07 -129.28 REMARK 500 ARG A 241 -60.82 -107.38 REMARK 500 ILE A 318 33.58 -84.74 REMARK 500 ILE A 320 55.17 -115.64 REMARK 500 GLN A 324 -106.74 -152.50 REMARK 500 ARG A 329 144.06 -170.16 REMARK 500 GLU A 430 125.71 -174.55 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 K A 900 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLY A 20 O REMARK 620 2 SER A 22 OG 115.0 REMARK 620 3 SER A 22 N 68.5 56.7 REMARK 620 4 ASP A 264 OD2 155.0 85.6 136.5 REMARK 620 5 ASP A 264 OD1 119.1 125.2 141.2 45.8 REMARK 620 6 PHE A 266 O 81.7 95.0 57.5 111.9 84.9 REMARK 620 7 ASN A 460 O 78.2 85.0 105.6 90.3 113.2 157.7 REMARK 620 N 1 2 3 4 5 6 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 900 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE XMP A 602 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MOA A 600 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1AK5 RELATED DB: PDB REMARK 900 INOSINE MONOPHOSPHATE DEHYDROGENASE (IMPDH) FROM TRITRICHOMONAS REMARK 900 FOETUS REMARK 900 RELATED ID: 1ME7 RELATED DB: PDB REMARK 900 1ME7 CONTAINS THE SAME PROTEIN WITH RVP AND MOA BOUND REMARK 900 RELATED ID: 1ME8 RELATED DB: PDB REMARK 900 1ME8 CONTAINS THE SAME PROTEIN WITH RVP BOUND REMARK 900 RELATED ID: 1ME9 RELATED DB: PDB REMARK 900 1ME9 CONTAINS THE SAME PROTEIN WITH IMP BOUND REMARK 900 RELATED ID: 1MEH RELATED DB: PDB REMARK 900 1MEH CONTAINS THE SAME PROTEIN WITH IMP AND MOA BOUND REMARK 900 RELATED ID: 1MEW RELATED DB: PDB REMARK 900 1MEW CONTAINS THE SAME PROTEIN WITH XMP AND NAD BOUND DBREF 1MEI A 1 503 UNP P50097 IMDH_TRIFO 1 503 SEQRES 1 A 503 MET ALA LYS TYR TYR ASN GLU PRO CYS HIS THR PHE ASN SEQRES 2 A 503 GLU TYR LEU LEU ILE PRO GLY LEU SER THR VAL ASP CYS SEQRES 3 A 503 ILE PRO SER ASN VAL ASN LEU SER THR PRO LEU VAL LYS SEQRES 4 A 503 PHE GLN LYS GLY GLN GLN SER GLU ILE ASN LEU LYS ILE SEQRES 5 A 503 PRO LEU VAL SER ALA ILE MET GLN SER VAL SER GLY GLU SEQRES 6 A 503 LYS MET ALA ILE ALA LEU ALA ARG GLU GLY GLY ILE SER SEQRES 7 A 503 PHE ILE PHE GLY SER GLN SER ILE GLU SER GLN ALA ALA SEQRES 8 A 503 MET VAL HIS ALA VAL LYS ASN PHE LYS ALA GLY PHE VAL SEQRES 9 A 503 VAL SER ASP SER ASN VAL LYS PRO ASP GLN THR PHE ALA SEQRES 10 A 503 ASP VAL LEU ALA ILE SER GLN ARG THR THR HIS ASN THR SEQRES 11 A 503 VAL ALA VAL THR ASP ASP GLY THR PRO HIS GLY VAL LEU SEQRES 12 A 503 LEU GLY LEU VAL THR GLN ARG ASP TYR PRO ILE ASP LEU SEQRES 13 A 503 THR GLN THR GLU THR LYS VAL SER ASP MET MET THR PRO SEQRES 14 A 503 PHE SER LYS LEU VAL THR ALA HIS GLN ASP THR LYS LEU SEQRES 15 A 503 SER GLU ALA ASN LYS ILE ILE TRP GLU LYS LYS LEU ASN SEQRES 16 A 503 ALA LEU PRO ILE ILE ASP ASP ASP GLN HIS LEU ARG TYR SEQRES 17 A 503 ILE VAL PHE ARG LYS ASP TYR ASP ARG SER GLN VAL CYS SEQRES 18 A 503 HIS ASN GLU LEU VAL ASP SER GLN LYS ARG TYR LEU VAL SEQRES 19 A 503 GLY ALA GLY ILE ASN THR ARG ASP PHE ARG GLU ARG VAL SEQRES 20 A 503 PRO ALA LEU VAL GLU ALA GLY ALA ASP VAL LEU CYS ILE SEQRES 21 A 503 ASP SER SER ASP GLY PHE SER GLU TRP GLN LYS ILE THR SEQRES 22 A 503 ILE GLY TRP ILE ARG GLU LYS TYR GLY ASP LYS VAL LYS SEQRES 23 A 503 VAL GLY ALA GLY ASN ILE VAL ASP GLY GLU GLY PHE ARG SEQRES 24 A 503 TYR LEU ALA ASP ALA GLY ALA ASP PHE ILE LYS ILE GLY SEQRES 25 A 503 ILE GLY GLY GLY SER ILE CYS ILE THR ARG GLU GLN LYS SEQRES 26 A 503 GLY ILE GLY ARG GLY GLN ALA THR ALA VAL ILE ASP VAL SEQRES 27 A 503 VAL ALA GLU ARG ASN LYS TYR PHE GLU GLU THR GLY ILE SEQRES 28 A 503 TYR ILE PRO VAL CYS SER ASP GLY GLY ILE VAL TYR ASP SEQRES 29 A 503 TYR HIS MET THR LEU ALA LEU ALA MET GLY ALA ASP PHE SEQRES 30 A 503 ILE MET LEU GLY ARG TYR PHE ALA ARG PHE GLU GLU SER SEQRES 31 A 503 PRO THR ARG LYS VAL THR ILE ASN GLY SER VAL MET LYS SEQRES 32 A 503 GLU TYR TRP GLY GLU GLY SER SER ARG ALA ARG ASN TRP SEQRES 33 A 503 GLN ARG TYR ASP LEU GLY GLY LYS GLN LYS LEU SER PHE SEQRES 34 A 503 GLU GLU GLY VAL ASP SER TYR VAL PRO TYR ALA GLY LYS SEQRES 35 A 503 LEU LYS ASP ASN VAL GLU ALA SER LEU ASN LYS VAL LYS SEQRES 36 A 503 SER THR MET CYS ASN CYS GLY ALA LEU THR ILE PRO GLN SEQRES 37 A 503 LEU GLN SER LYS ALA LYS ILE THR LEU VAL SER SER VAL SEQRES 38 A 503 SER ILE VAL GLU GLY GLY ALA HIS ASP VAL ILE VAL LYS SEQRES 39 A 503 ASP ARG ILE ASN ASP TYR HIS PRO LYS HET K A 900 1 HET XMP A 602 24 HET MOA A 600 23 HETNAM K POTASSIUM ION HETNAM XMP XANTHOSINE-5'-MONOPHOSPHATE HETNAM MOA MYCOPHENOLIC ACID HETSYN XMP 5-MONOPHOSPHATE-9-BETA-D-RIBOFURANOSYL XANTHINE HETSYN MOA 6-(1,3-DIHYDRO-7-HYDROXY-5-METHOXY-4-METHYL-1- HETSYN 2 MOA OXOISOBENZOFURAN-6-YL)-4-METHYL-4-HEXANOIC ACID FORMUL 2 K K 1+ FORMUL 3 XMP C10 H14 N4 O9 P 1+ FORMUL 4 MOA C17 H20 O6 FORMUL 5 HOH *180(H2 O) HELIX 1 1 THR A 11 ASN A 13 5 3 HELIX 2 2 ILE A 27 VAL A 31 5 5 HELIX 3 3 GLY A 64 GLU A 74 1 11 HELIX 4 4 SER A 85 ASN A 98 1 14 HELIX 5 5 ASP A 242 GLY A 254 1 13 HELIX 6 6 SER A 267 GLY A 282 1 16 HELIX 7 7 ASP A 283 VAL A 285 5 3 HELIX 8 8 ASP A 294 GLY A 305 1 12 HELIX 9 9 GLY A 330 GLY A 350 1 21 HELIX 10 10 TYR A 363 MET A 373 1 11 HELIX 11 11 GLY A 381 ARG A 386 1 6 HELIX 12 12 SER A 410 ASN A 415 1 6 HELIX 13 13 LYS A 442 CYS A 461 1 20 HELIX 14 14 THR A 465 ALA A 473 1 9 SHEET 1 A 2 TYR A 15 ILE A 18 0 SHEET 2 A 2 LYS A 474 LEU A 477 -1 O LYS A 474 N ILE A 18 SHEET 1 B 2 THR A 35 PRO A 36 0 SHEET 2 B 2 ASN A 49 LEU A 50 -1 O LEU A 50 N THR A 35 SHEET 1 C 2 PHE A 40 GLN A 41 0 SHEET 2 C 2 ILE A 351 TYR A 352 -1 O TYR A 352 N PHE A 40 SHEET 1 D 9 LEU A 54 SER A 56 0 SHEET 2 D 9 ILE A 77 ILE A 80 1 O ILE A 77 N SER A 56 SHEET 3 D 9 GLY A 235 ILE A 238 1 O GLY A 237 N ILE A 80 SHEET 4 D 9 VAL A 257 ILE A 260 1 O CYS A 259 N ILE A 238 SHEET 5 D 9 VAL A 287 ILE A 292 1 O GLY A 288 N LEU A 258 SHEET 6 D 9 PHE A 308 ILE A 311 1 O LYS A 310 N ALA A 289 SHEET 7 D 9 VAL A 355 ASP A 358 1 O CYS A 356 N ILE A 311 SHEET 8 D 9 PHE A 377 LEU A 380 1 O PHE A 377 N SER A 357 SHEET 9 D 9 LEU A 54 SER A 56 1 N VAL A 55 O ILE A 378 SHEET 1 E 3 LYS A 394 ILE A 397 0 SHEET 2 E 3 SER A 400 TRP A 406 -1 O MET A 402 N VAL A 395 SHEET 3 E 3 ASP A 434 PRO A 438 -1 O SER A 435 N TYR A 405 SSBOND 1 CYS A 26 CYS A 459 1555 1555 2.03 LINK O GLY A 20 K K A 900 1555 1555 2.12 LINK OG SER A 22 K K A 900 1555 1555 2.41 LINK N SER A 22 K K A 900 1555 1555 3.38 LINK OD2 ASP A 264 K K A 900 16655 1555 2.48 LINK OD1 ASP A 264 K K A 900 16655 1555 3.01 LINK O PHE A 266 K K A 900 16655 1555 2.65 LINK O ASN A 460 K K A 900 1555 1555 2.81 CISPEP 1 GLY A 290 ASN A 291 0 0.82 SITE 1 AC1 5 GLY A 20 SER A 22 ASP A 264 PHE A 266 SITE 2 AC1 5 ASN A 460 SITE 1 AC2 20 ALA A 57 GLY A 316 SER A 317 ILE A 318 SITE 2 AC2 20 CYS A 319 ASP A 358 MET A 379 GLY A 381 SITE 3 AC2 20 ARG A 382 TYR A 405 GLY A 407 GLU A 408 SITE 4 AC2 20 GLY A 409 GLU A 431 GLY A 432 MOA A 600 SITE 5 AC2 20 HOH A 913 HOH A 937 HOH A 947 HOH A1059 SITE 1 AC3 12 ASP A 261 SER A 262 SER A 263 ASN A 291 SITE 2 AC3 12 GLY A 312 ILE A 313 GLY A 314 GLU A 408 SITE 3 AC3 12 GLY A 409 ARG A 414 XMP A 602 HOH A 932 CRYST1 155.070 155.070 155.070 90.00 90.00 90.00 P 4 3 2 24 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 0.006449 0.000000 0.000000 0.00000 SCALE2 0.000000 0.006449 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006449 0.00000