HEADER OXIDOREDUCTASE 12-JUN-14 4QLF TITLE CRYSTAL STRUCTURE OF I14G DHFR MUTANT COMPLEXED WITH FOLATE AND NADP+ COMPND MOL_ID: 1; COMPND 2 MOLECULE: DIHYDROFOLATE REDUCTASE; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: DIHYDROFOLATE REDUCTASE; COMPND 5 EC: 1.5.1.3; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 1403831; SOURCE 4 GENE: FOLA, BN896_0046; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET22B KEYWDS DIHYDROFOLATE-REDUCTASE LIKE FOLD/ALPHA AND BETA PROTEINS (A/B), KEYWDS 2 OXIDOREDUCTASE ACTIVITY, NADP(H) BINDING, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR V.STOJKOVIC,L.GAKHAR,A.KOHEN REVDAT 3 20-SEP-23 4QLF 1 REMARK SEQADV REVDAT 2 25-FEB-15 4QLF 1 JRNL REVDAT 1 26-NOV-14 4QLF 0 JRNL AUTH D.DORON,V.STOJKOVIC,L.GAKHAR,A.VARDI-KILSHTAIN,A.KOHEN, JRNL AUTH 2 D.T.MAJOR JRNL TITL FREE ENERGY SIMULATIONS OF ACTIVE-SITE MUTANTS OF JRNL TITL 2 DIHYDROFOLATE REDUCTASE. JRNL REF J.PHYS.CHEM.B V. 119 906 2015 JRNL REFN ISSN 1089-5647 JRNL PMID 25382260 JRNL DOI 10.1021/JP5059963 REMARK 2 REMARK 2 RESOLUTION. 1.44 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0071 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) : 1.44 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 33.58 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 96.2 REMARK 3 NUMBER OF REFLECTIONS : 26481 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) : 0.183 REMARK 3 R VALUE (WORKING SET) : 0.182 REMARK 3 FREE R VALUE : 0.206 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.200 REMARK 3 FREE R VALUE TEST SET COUNT : 1446 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) : 1.44 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.48 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1237 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 61.60 REMARK 3 BIN R VALUE (WORKING SET) : 0.2600 REMARK 3 BIN FREE R VALUE SET COUNT : 56 REMARK 3 BIN FREE R VALUE : 0.2970 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1243 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 63 REMARK 3 SOLVENT ATOMS : 155 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 18.73 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.78000 REMARK 3 B22 (A**2) : -0.32000 REMARK 3 B33 (A**2) : -0.46000 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.072 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.072 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.048 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.236 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.960 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.955 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1343 ; 0.025 ; 0.019 REMARK 3 BOND LENGTHS OTHERS (A): 1208 ; 0.001 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1834 ; 2.419 ; 2.000 REMARK 3 BOND ANGLES OTHERS (DEGREES): 2782 ; 1.031 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 155 ; 6.436 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 62 ;33.613 ;24.194 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 204 ;13.286 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 8 ;10.399 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 189 ; 0.159 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1503 ; 0.014 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): 313 ; 0.002 ; 0.020 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): 629 ; 2.340 ; 1.628 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 627 ; 2.303 ; 1.626 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 781 ; 3.505 ; 2.416 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): 781 ; 3.477 ; 2.415 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 714 ; 3.617 ; 2.005 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): 707 ; 3.627 ; 2.008 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): 1054 ; 5.502 ; 2.856 REMARK 3 LONG RANGE B REFINED ATOMS (A**2): 1596 ; 7.946 ;14.591 REMARK 3 LONG RANGE B OTHER ATOMS (A**2): 1597 ; 7.944 ;14.592 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 ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 4QLF COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 23-JUN-14. REMARK 100 THE DEPOSITION ID IS D_1000086202. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 08-SEP-10 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 4.2.2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.000 REMARK 200 MONOCHROMATOR : ROSENBAUM-ROCK SI(111) SAGITALLY REMARK 200 FOCUSED MONOCHROMATOR REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : NOIR-1 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 27985 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.440 REMARK 200 RESOLUTION RANGE LOW (A) : 67.120 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.4 REMARK 200 DATA REDUNDANCY : 6.600 REMARK 200 R MERGE (I) : 0.04900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 21.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.44 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.52 REMARK 200 COMPLETENESS FOR SHELL (%) : 76.8 REMARK 200 DATA REDUNDANCY IN SHELL : 3.80 REMARK 200 R MERGE FOR SHELL (I) : 0.36500 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: 1RX2 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.17 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.16 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M TRIS, PH 8.5, 0.9 M LICL, 36% REMARK 280 W/V PEG 6000, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 291K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 2 21 21 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+1/2,-Z+1/2 REMARK 290 4555 -X,-Y+1/2,Z+1/2 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 17.21550 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 67.11700 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 17.21550 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 67.11700 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: 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 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 A 450 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 ASP A 122 REMARK 465 THR A 123 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 ARG A 98 CG CD NE CZ NH1 NH2 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 LEU A 4 CB - CG - CD1 ANGL. DEV. = 11.8 DEGREES REMARK 500 ARG A 44 NE - CZ - NH1 ANGL. DEV. = 6.5 DEGREES REMARK 500 ARG A 44 NE - CZ - NH2 ANGL. DEV. = -5.2 DEGREES REMARK 500 ARG A 57 NE - CZ - NH1 ANGL. DEV. = 4.5 DEGREES REMARK 500 ARG A 57 NE - CZ - NH2 ANGL. DEV. = -3.9 DEGREES REMARK 500 ARG A 158 NE - CZ - NH2 ANGL. DEV. = -3.6 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 MET A 20 78.45 -153.52 REMARK 500 REMARK 500 REMARK: NULL REMARK 610 REMARK 610 MISSING HETEROATOM REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 610 I=INSERTION CODE): REMARK 610 M RES C SSEQI REMARK 610 NAP A 202 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FOL A 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAP A 202 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4QLE RELATED DB: PDB REMARK 900 RELATED ID: 4QLG RELATED DB: PDB DBREF 4QLF A 1 159 UNP U6N356 U6N356_ECOLI 1 159 SEQADV 4QLF GLY A 14 UNP U6N356 ILE 14 ENGINEERED MUTATION SEQRES 1 A 159 MET ILE SER LEU ILE ALA ALA LEU ALA VAL ASP ARG VAL SEQRES 2 A 159 GLY GLY MET GLU ASN ALA MET PRO TRP ASN LEU PRO ALA SEQRES 3 A 159 ASP LEU ALA TRP PHE LYS ARG ASN THR LEU ASN LYS PRO SEQRES 4 A 159 VAL ILE MET GLY ARG HIS THR TRP GLU SER ILE GLY ARG SEQRES 5 A 159 PRO LEU PRO GLY ARG LYS ASN ILE ILE LEU SER SER GLN SEQRES 6 A 159 PRO GLY THR ASP ASP ARG VAL THR TRP VAL LYS SER VAL SEQRES 7 A 159 ASP GLU ALA ILE ALA ALA CYS GLY ASP VAL PRO GLU ILE SEQRES 8 A 159 MET VAL ILE GLY GLY GLY ARG VAL TYR GLU GLN PHE LEU SEQRES 9 A 159 PRO LYS ALA GLN LYS LEU TYR LEU THR HIS ILE ASP ALA SEQRES 10 A 159 GLU VAL GLU GLY ASP THR HIS PHE PRO ASP TYR GLU PRO SEQRES 11 A 159 ASP ASP TRP GLU SER VAL PHE SER GLU PHE HIS ASP ALA SEQRES 12 A 159 ASP ALA GLN ASN SER HIS SER TYR CYS PHE GLU ILE LEU SEQRES 13 A 159 GLU ARG ARG HET FOL A 201 32 HET NAP A 202 31 HETNAM FOL FOLIC ACID HETNAM NAP NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE HETSYN NAP 2'-MONOPHOSPHOADENOSINE 5'-DIPHOSPHORIBOSE FORMUL 2 FOL C19 H19 N7 O6 FORMUL 3 NAP C21 H28 N7 O17 P3 FORMUL 4 HOH *155(H2 O) HELIX 1 1 LEU A 24 LEU A 36 1 13 HELIX 2 2 ARG A 44 GLY A 51 1 8 HELIX 3 3 SER A 77 GLY A 86 1 10 HELIX 4 4 GLY A 96 LEU A 104 1 9 HELIX 5 5 PRO A 105 ALA A 107 5 3 HELIX 6 6 GLU A 129 ASP A 131 5 3 SHEET 1 A 8 THR A 73 VAL A 75 0 SHEET 2 A 8 ASN A 59 LEU A 62 1 N ILE A 61 O THR A 73 SHEET 3 A 8 VAL A 40 GLY A 43 1 N VAL A 40 O ILE A 60 SHEET 4 A 8 ILE A 91 GLY A 95 1 O ILE A 94 N ILE A 41 SHEET 5 A 8 ILE A 2 ASP A 11 1 N SER A 3 O VAL A 93 SHEET 6 A 8 LYS A 109 VAL A 119 1 O THR A 113 N LEU A 8 SHEET 7 A 8 TYR A 151 ARG A 158 -1 O GLU A 154 N LEU A 112 SHEET 8 A 8 TRP A 133 HIS A 141 -1 N HIS A 141 O TYR A 151 CISPEP 1 GLY A 95 GLY A 96 0 4.75 SITE 1 AC1 16 ILE A 5 ALA A 6 ALA A 7 ASP A 27 SITE 2 AC1 16 LEU A 28 ALA A 29 PHE A 31 LYS A 32 SITE 3 AC1 16 ILE A 50 ARG A 57 ILE A 94 TYR A 100 SITE 4 AC1 16 THR A 113 HOH A 302 HOH A 355 HOH A 376 SITE 1 AC2 20 GLY A 43 ARG A 44 HIS A 45 THR A 46 SITE 2 AC2 20 LEU A 62 SER A 63 SER A 64 LYS A 76 SITE 3 AC2 20 ASP A 79 GLY A 96 GLY A 97 ARG A 98 SITE 4 AC2 20 VAL A 99 GLN A 102 HIS A 124 HOH A 324 SITE 5 AC2 20 HOH A 328 HOH A 334 HOH A 429 HOH A 455 CRYST1 33.489 34.431 134.234 90.00 90.00 90.00 P 2 21 21 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 0.029861 0.000000 0.000000 0.00000 SCALE2 0.000000 0.029044 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007450 0.00000