HEADER OXIDOREDUCTASE/INHIBITOR 25-JAN-13 4IXG TITLE PCDHFR-268-K37S-N69F VARIANT COMPND MOL_ID: 1; COMPND 2 MOLECULE: DIHYDROFOLATE REDUCTASE; COMPND 3 CHAIN: X; COMPND 4 EC: 1.5.1.3; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PNEUMOCYSTIS CARINII; SOURCE 3 ORGANISM_TAXID: 4754; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: ROSETTA GAMI B (DE3); SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PET-SUMMO PCDHFR K37S-F69N VARIANTS KEYWDS DIHYDROFOLATE REDUCTASE INHIBITOR TERNARY COMPLEX DOUBLE VARIANT, KEYWDS 2 REDUCTASE, OXIDOREDUCTASE-INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR V.CODY REVDAT 4 20-SEP-23 4IXG 1 REMARK SEQADV REVDAT 3 15-NOV-17 4IXG 1 REMARK REVDAT 2 10-JUL-13 4IXG 1 JRNL REVDAT 1 15-MAY-13 4IXG 0 JRNL AUTH A.GANGJEE,O.A.NAMJOSHI,S.RAGHAVAN,S.F.QUEENER,R.L.KISLIUK, JRNL AUTH 2 V.CODY JRNL TITL DESIGN, SYNTHESIS, AND MOLECULAR MODELING OF NOVEL JRNL TITL 2 PYRIDO[2,3-D]PYRIMIDINE ANALOGUES AS ANTIFOLATES; JRNL TITL 3 APPLICATION OF BUCHWALD-HARTWIG AMINATIONS OF HETEROCYCLES. JRNL REF J.MED.CHEM. V. 56 4422 2013 JRNL REFN ISSN 0022-2623 JRNL PMID 23627352 JRNL DOI 10.1021/JM400086G REMARK 2 REMARK 2 RESOLUTION. 1.70 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.6.0117 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 34.80 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 96.9 REMARK 3 NUMBER OF REFLECTIONS : 19287 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 + TEST SET) : 0.230 REMARK 3 R VALUE (WORKING SET) : 0.228 REMARK 3 FREE R VALUE : 0.280 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 1045 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.70 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.74 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1250 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 89.58 REMARK 3 BIN R VALUE (WORKING SET) : 0.3780 REMARK 3 BIN FREE R VALUE SET COUNT : 74 REMARK 3 BIN FREE R VALUE : 0.4440 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1680 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 68 REMARK 3 SOLVENT ATOMS : 34 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 16.20 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 30.39 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.01000 REMARK 3 B22 (A**2) : -0.01000 REMARK 3 B33 (A**2) : 0.02000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.01000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.152 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.149 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.122 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.782 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.940 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.914 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1795 ; 0.019 ; 0.020 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2435 ; 2.264 ; 1.997 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 205 ; 8.609 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 78 ;33.440 ;23.462 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 316 ;19.769 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 11 ;16.692 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 263 ; 0.162 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1328 ; 0.011 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN USED IF PRESENT IN REMARK 3 THE INPUT REMARK 4 REMARK 4 4IXG COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 08-FEB-13. REMARK 100 THE DEPOSITION ID IS D_1000077331. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 19-APR-11 REMARK 200 TEMPERATURE (KELVIN) : 113 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL9-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.975 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MAR SCANNER 345 MM PLATE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 20874 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.700 REMARK 200 RESOLUTION RANGE LOW (A) : 35.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.1 REMARK 200 DATA REDUNDANCY : 2.500 REMARK 200 R MERGE (I) : 0.06800 REMARK 200 R SYM (I) : 0.05100 REMARK 200 FOR THE DATA SET : 6.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.79 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.1 REMARK 200 DATA REDUNDANCY IN SHELL : 2.40 REMARK 200 R MERGE FOR SHELL (I) : 0.39000 REMARK 200 R SYM FOR SHELL (I) : 0.29000 REMARK 200 FOR SHELL : 1.600 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: PDB ENTRY 3CD2 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 38.66 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.01 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 35% PEG2000, 49 MM MES, 100 MM KCL, PH REMARK 280 6.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 287K 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 21.30150 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 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 APPLY THE FOLLOWING TO CHAINS: X 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 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 OE1 GLU X 103 NH2 ARG X 107 1.82 REMARK 500 OE2 GLU X 103 NH2 ARG X 107 1.98 REMARK 500 CD GLU X 103 NH2 ARG X 107 2.17 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 TRP X 62 CE2 TRP X 62 CD2 0.075 REMARK 500 TRP X 202 CE2 TRP X 202 CD2 0.074 REMARK 500 REMARK 500 REMARK: NULL 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 ASP X 139 CB - CG - OD1 ANGL. DEV. = -6.3 DEGREES REMARK 500 SER X 179 N - CA - CB ANGL. DEV. = -34.7 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 ASN X 2 -49.53 -142.23 REMARK 500 GLN X 3 37.05 -96.12 REMARK 500 SER X 22 75.86 -7.34 REMARK 500 ASN X 23 36.57 37.71 REMARK 500 GLU X 50 -16.79 -151.21 REMARK 500 GLU X 84 52.09 -64.17 REMARK 500 SER X 85 -125.88 -81.80 REMARK 500 ASP X 87 47.92 -92.74 REMARK 500 LEU X 88 123.45 -5.67 REMARK 500 ASN X 90 -31.05 -32.15 REMARK 500 TYR X 109 62.06 -111.74 REMARK 500 SER X 111 -15.20 -49.73 REMARK 500 ASN X 118 -76.20 -100.91 REMARK 500 ASP X 193 50.64 38.59 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 GLY X 124 GLY X 125 -126.42 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 NDP X 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IXG X 302 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4IXE RELATED DB: PDB REMARK 900 RELATED ID: 4IXF RELATED DB: PDB REMARK 900 RELATED ID: 4IXG RELATED DB: PDB DBREF 4IXG X 1 206 UNP P16184 DYR_PNECA 1 206 SEQADV 4IXG SER X 37 UNP P16184 LYS 37 ENGINEERED MUTATION SEQADV 4IXG ASN X 69 UNP P16184 PHE 69 ENGINEERED MUTATION SEQRES 1 X 206 MET ASN GLN GLN LYS SER LEU THR LEU ILE VAL ALA LEU SEQRES 2 X 206 THR THR SER TYR GLY ILE GLY ARG SER ASN SER LEU PRO SEQRES 3 X 206 TRP LYS LEU LYS LYS GLU ILE SER TYR PHE SER ARG VAL SEQRES 4 X 206 THR SER PHE VAL PRO THR PHE ASP SER PHE GLU SER MET SEQRES 5 X 206 ASN VAL VAL LEU MET GLY ARG LYS THR TRP GLU SER ILE SEQRES 6 X 206 PRO LEU GLN ASN ARG PRO LEU LYS GLY ARG ILE ASN VAL SEQRES 7 X 206 VAL ILE THR ARG ASN GLU SER LEU ASP LEU GLY ASN GLY SEQRES 8 X 206 ILE HIS SER ALA LYS SER LEU ASP HIS ALA LEU GLU LEU SEQRES 9 X 206 LEU TYR ARG THR TYR GLY SER GLU SER SER VAL GLN ILE SEQRES 10 X 206 ASN ARG ILE PHE VAL ILE GLY GLY ALA GLN LEU TYR LYS SEQRES 11 X 206 ALA ALA MET ASP HIS PRO LYS LEU ASP ARG ILE MET ALA SEQRES 12 X 206 THR ILE ILE TYR LYS ASP ILE HIS CYS ASP VAL PHE PHE SEQRES 13 X 206 PRO LEU LYS PHE ARG ASP LYS GLU TRP SER SER VAL TRP SEQRES 14 X 206 LYS LYS GLU LYS HIS SER ASP LEU GLU SER TRP VAL GLY SEQRES 15 X 206 THR LYS VAL PRO HIS GLY LYS ILE ASN GLU ASP GLY PHE SEQRES 16 X 206 ASP TYR GLU PHE GLU MET TRP THR ARG ASP LEU HET NDP X 301 48 HET IXG X 302 20 HETNAM NDP NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE HETNAM 2 NDP PHOSPHATE HETNAM IXG N~6~-METHYL-N~6~-PHENYLPYRIDO[2,3-D]PYRIMIDINE-2,4,6- HETNAM 2 IXG TRIAMINE FORMUL 2 NDP C21 H30 N7 O17 P3 FORMUL 3 IXG C14 H14 N6 FORMUL 4 HOH *34(H2 O) HELIX 1 1 LEU X 29 PHE X 42 1 14 HELIX 2 2 PRO X 44 SER X 48 5 5 HELIX 3 3 ARG X 59 ILE X 65 1 7 HELIX 4 4 PRO X 66 ARG X 70 5 5 HELIX 5 5 SER X 97 TYR X 109 1 13 HELIX 6 6 GLY X 125 HIS X 135 1 11 HELIX 7 7 ASP X 162 SER X 166 5 5 HELIX 8 8 LYS X 173 GLY X 182 1 10 SHEET 1 A 8 HIS X 93 ALA X 95 0 SHEET 2 A 8 ILE X 76 ILE X 80 1 N VAL X 79 O HIS X 93 SHEET 3 A 8 SER X 51 GLY X 58 1 N ASN X 53 O ILE X 76 SHEET 4 A 8 GLN X 116 GLY X 124 1 O ASN X 118 N MET X 52 SHEET 5 A 8 LEU X 7 THR X 14 1 N THR X 8 O VAL X 122 SHEET 6 A 8 LEU X 138 ILE X 146 1 O THR X 144 N LEU X 13 SHEET 7 A 8 PHE X 195 THR X 203 -1 O TRP X 202 N ILE X 141 SHEET 8 A 8 LYS X 170 LYS X 171 -1 N LYS X 170 O THR X 203 SHEET 1 B 8 HIS X 93 ALA X 95 0 SHEET 2 B 8 ILE X 76 ILE X 80 1 N VAL X 79 O HIS X 93 SHEET 3 B 8 SER X 51 GLY X 58 1 N ASN X 53 O ILE X 76 SHEET 4 B 8 GLN X 116 GLY X 124 1 O ASN X 118 N MET X 52 SHEET 5 B 8 LEU X 7 THR X 14 1 N THR X 8 O VAL X 122 SHEET 6 B 8 LEU X 138 ILE X 146 1 O THR X 144 N LEU X 13 SHEET 7 B 8 PHE X 195 THR X 203 -1 O TRP X 202 N ILE X 141 SHEET 8 B 8 ILE X 190 GLU X 192 -1 N ILE X 190 O TYR X 197 SHEET 1 C 2 GLY X 18 GLY X 20 0 SHEET 2 C 2 VAL X 154 PHE X 155 -1 O VAL X 154 N ILE X 19 CISPEP 1 ARG X 70 PRO X 71 0 -8.96 SITE 1 AC1 29 VAL X 11 ALA X 12 ILE X 19 GLY X 20 SITE 2 AC1 29 ARG X 21 ASN X 23 SER X 24 LEU X 25 SITE 3 AC1 29 TRP X 27 GLY X 58 ARG X 59 LYS X 60 SITE 4 AC1 29 THR X 61 SER X 64 ILE X 80 THR X 81 SITE 5 AC1 29 ARG X 82 LYS X 96 ILE X 123 GLY X 125 SITE 6 AC1 29 ALA X 126 GLN X 127 LEU X 128 TYR X 129 SITE 7 AC1 29 ALA X 131 IXG X 302 HOH X 410 HOH X 420 SITE 8 AC1 29 HOH X 425 SITE 1 AC2 12 ILE X 10 VAL X 11 ALA X 12 LEU X 25 SITE 2 AC2 12 GLU X 32 ILE X 33 PHE X 36 ILE X 123 SITE 3 AC2 12 TYR X 129 THR X 144 NDP X 301 HOH X 434 CRYST1 37.211 42.603 60.534 90.00 94.82 90.00 P 1 21 1 2 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 0.026873 0.000000 0.002264 0.00000 SCALE2 0.000000 0.023472 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016578 0.00000