HEADER OXIDOREDUCTASE 25-JAN-95 1DLS TITLE METHOTREXATE-RESISTANT VARIANTS OF HUMAN DIHYDROFOLATE REDUCTASE WITH TITLE 2 SUBSTITUTION OF LEUCINE 22: KINETICS, CRYSTALLOGRAPHY AND POTENTIAL TITLE 3 AS SELECTABLE MARKERS COMPND MOL_ID: 1; COMPND 2 MOLECULE: DIHYDROFOLATE REDUCTASE; COMPND 3 CHAIN: A; COMPND 4 EC: 1.5.1.3; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: POTENTIAL KEYWDS OXIDO-REDUCTASE, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR V.CODY,N.GALITSKY,J.R.LUFT,W.PANGBORN REVDAT 3 07-FEB-24 1DLS 1 KEYWDS REMARK SEQADV REVDAT 2 24-FEB-09 1DLS 1 VERSN REVDAT 1 20-APR-95 1DLS 0 JRNL AUTH W.S.LEWIS,V.CODY,N.GALITSKY,J.R.LUFT,W.PANGBORN, JRNL AUTH 2 S.K.CHUNDURU,H.T.SPENCER,J.R.APPLEMAN,R.L.BLAKLEY JRNL TITL METHOTREXATE-RESISTANT VARIANTS OF HUMAN DIHYDROFOLATE JRNL TITL 2 REDUCTASE WITH SUBSTITUTIONS OF LEUCINE 22. KINETICS, JRNL TITL 3 CRYSTALLOGRAPHY, AND POTENTIAL AS SELECTABLE MARKERS. JRNL REF J.BIOL.CHEM. V. 270 5057 1995 JRNL REFN ISSN 0021-9258 JRNL PMID 7890613 JRNL DOI 10.1074/JBC.270.10.5057 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH S.K.CHUNDURU,V.CODY,J.R.LUFT,W.PANGBORN,J.R.APPLEMAN, REMARK 1 AUTH 2 R.L.BLAKLEY REMARK 1 TITL METHOTREXATE-RESISTANT VARIANTS OF HUMAN DIHYDROFOLATE REMARK 1 TITL 2 REDUCTASE: EFFECTS OF PHE-31 SUBSTITUTIONS REMARK 1 REF J.BIOL.CHEM. V. 269 9547 1994 REMARK 1 REFN ISSN 0021-9258 REMARK 1 REFERENCE 2 REMARK 1 AUTH V.CODY,J.R.LUFT,E.CISZAK,T.I.KALMAN,J.H.FREISHEIM REMARK 1 TITL CRYSTAL STRUCTURE DETERMINATION AT 2.3 ANGSTROMS OF REMARK 1 TITL 2 RECOMBINANT HUMAN DIHYDROFOLATE REDUCTASE TERNARY COMPLEX REMARK 1 TITL 3 WITH NADPH AND METHOTREXATE-GAMMA-TETRAZOLE REMARK 1 REF ANTI-CANCER DRUG DES. V. 7 483 1992 REMARK 1 REFN ISSN 0266-9536 REMARK 2 REMARK 2 RESOLUTION. 2.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PROFFT REMARK 3 AUTHORS : KONNERT,HENDRICKSON,FINZEL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : NULL REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : NULL REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : 0.156 REMARK 3 R VALUE (WORKING SET) : NULL REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL WITH ALL DATA. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1506 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 81 REMARK 3 SOLVENT ATOMS : 111 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 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.024 ; 0.020 REMARK 3 ANGLE DISTANCE (A) : 0.054 ; 0.040 REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : 0.054 ; 0.050 REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : 0.018 ; 0.020 REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : 0.190 ; 0.150 REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : 0.204 ; 0.500 REMARK 3 MULTIPLE TORSION (A) : 0.261 ; 0.500 REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : 0.238 ; 0.500 REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : 3.100 ; 3.000 REMARK 3 STAGGERED (DEGREES) : 19.700; 15.000 REMARK 3 TRANSVERSE (DEGREES) : NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 2.320 ; 1.750 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 3.310 ; 2.500 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.750 ; 1.750 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 4.270 ; 2.500 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1DLS COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000172836. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : NULL REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 11402 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 8.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 69.0 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) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL 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: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 53.41 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.64 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z REMARK 290 3555 -X+Y,-X,Z REMARK 290 4555 X+2/3,Y+1/3,Z+1/3 REMARK 290 5555 -Y+2/3,X-Y+1/3,Z+1/3 REMARK 290 6555 -X+Y+2/3,-X+1/3,Z+1/3 REMARK 290 7555 X+1/3,Y+2/3,Z+2/3 REMARK 290 8555 -Y+1/3,X-Y+2/3,Z+2/3 REMARK 290 9555 -X+Y+1/3,-X+2/3,Z+2/3 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 0.00000 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 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 43.74800 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 25.25792 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 25.57767 REMARK 290 SMTRY1 5 -0.500000 -0.866025 0.000000 43.74800 REMARK 290 SMTRY2 5 0.866025 -0.500000 0.000000 25.25792 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 25.57767 REMARK 290 SMTRY1 6 -0.500000 0.866025 0.000000 43.74800 REMARK 290 SMTRY2 6 -0.866025 -0.500000 0.000000 25.25792 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 25.57767 REMARK 290 SMTRY1 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 50.51584 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 51.15533 REMARK 290 SMTRY1 8 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 8 0.866025 -0.500000 0.000000 50.51584 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 51.15533 REMARK 290 SMTRY1 9 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 -0.500000 0.000000 50.51584 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 51.15533 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 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 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 OD1 ASP A 94 O HOH A 293 2.11 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 LEU A 4 CB - CG - CD2 ANGL. DEV. = -13.4 DEGREES REMARK 500 CYS A 6 N - CA - CB ANGL. DEV. = 9.3 DEGREES REMARK 500 GLN A 12 CA - CB - CG ANGL. DEV. = -14.8 DEGREES REMARK 500 LYS A 18 CB - CG - CD ANGL. DEV. = -19.5 DEGREES REMARK 500 ASP A 21 CB - CG - OD2 ANGL. DEV. = -11.4 DEGREES REMARK 500 TYR A 22 CB - CG - CD1 ANGL. DEV. = -3.7 DEGREES REMARK 500 TRP A 24 CH2 - CZ2 - CE2 ANGL. DEV. = -6.3 DEGREES REMARK 500 ARG A 28 CD - NE - CZ ANGL. DEV. = -12.1 DEGREES REMARK 500 ARG A 28 NH1 - CZ - NH2 ANGL. DEV. = 7.1 DEGREES REMARK 500 ARG A 28 NE - CZ - NH1 ANGL. DEV. = -8.9 DEGREES REMARK 500 ASN A 29 CA - CB - CG ANGL. DEV. = -14.0 DEGREES REMARK 500 GLU A 30 OE1 - CD - OE2 ANGL. DEV. = -9.5 DEGREES REMARK 500 PHE A 31 CB - CG - CD1 ANGL. DEV. = -4.7 DEGREES REMARK 500 ARG A 32 NE - CZ - NH1 ANGL. DEV. = 4.1 DEGREES REMARK 500 ARG A 32 NE - CZ - NH2 ANGL. DEV. = -4.0 DEGREES REMARK 500 TYR A 33 CB - CG - CD2 ANGL. DEV. = 6.8 DEGREES REMARK 500 TYR A 33 CB - CG - CD1 ANGL. DEV. = -8.6 DEGREES REMARK 500 ARG A 36 CA - CB - CG ANGL. DEV. = 13.3 DEGREES REMARK 500 ARG A 36 CD - NE - CZ ANGL. DEV. = -9.3 DEGREES REMARK 500 ARG A 36 NE - CZ - NH2 ANGL. DEV. = 3.4 DEGREES REMARK 500 MET A 37 CG - SD - CE ANGL. DEV. = -12.4 DEGREES REMARK 500 SER A 42 C - N - CA ANGL. DEV. = 15.6 DEGREES REMARK 500 GLU A 44 CB - CA - C ANGL. DEV. = -13.2 DEGREES REMARK 500 GLU A 44 OE1 - CD - OE2 ANGL. DEV. = 8.7 DEGREES REMARK 500 LYS A 54 N - CA - CB ANGL. DEV. = -10.9 DEGREES REMARK 500 PHE A 58 CB - CG - CD1 ANGL. DEV. = -5.2 DEGREES REMARK 500 SER A 59 CB - CA - C ANGL. DEV. = 13.3 DEGREES REMARK 500 LYS A 63 CB - CA - C ANGL. DEV. = -13.7 DEGREES REMARK 500 ARG A 65 CG - CD - NE ANGL. DEV. = 21.7 DEGREES REMARK 500 ARG A 65 CD - NE - CZ ANGL. DEV. = 29.3 DEGREES REMARK 500 ARG A 65 NH1 - CZ - NH2 ANGL. DEV. = -13.8 DEGREES REMARK 500 ARG A 65 NE - CZ - NH1 ANGL. DEV. = -3.4 DEGREES REMARK 500 ARG A 65 NE - CZ - NH2 ANGL. DEV. = 17.1 DEGREES REMARK 500 ARG A 70 NE - CZ - NH1 ANGL. DEV. = 5.2 DEGREES REMARK 500 ARG A 77 NE - CZ - NH1 ANGL. DEV. = -5.4 DEGREES REMARK 500 GLU A 78 CA - CB - CG ANGL. DEV. = 15.3 DEGREES REMARK 500 GLU A 78 OE1 - CD - OE2 ANGL. DEV. = -9.1 DEGREES REMARK 500 GLU A 78 CG - CD - OE1 ANGL. DEV. = 15.4 DEGREES REMARK 500 LEU A 79 O - C - N ANGL. DEV. = 10.9 DEGREES REMARK 500 GLU A 81 OE1 - CD - OE2 ANGL. DEV. = -10.8 DEGREES REMARK 500 GLU A 81 CG - CD - OE1 ANGL. DEV. = 12.8 DEGREES REMARK 500 SER A 90 N - CA - CB ANGL. DEV. = 15.1 DEGREES REMARK 500 ARG A 91 CD - NE - CZ ANGL. DEV. = 16.3 DEGREES REMARK 500 ARG A 91 O - C - N ANGL. DEV. = 9.7 DEGREES REMARK 500 ASP A 94 CB - CG - OD1 ANGL. DEV. = 7.2 DEGREES REMARK 500 ASP A 95 CB - CG - OD2 ANGL. DEV. = -5.9 DEGREES REMARK 500 GLU A 104 CA - CB - CG ANGL. DEV. = 20.1 DEGREES REMARK 500 ASP A 110 CB - CA - C ANGL. DEV. = 12.1 DEGREES REMARK 500 MET A 111 CG - SD - CE ANGL. DEV. = 12.7 DEGREES REMARK 500 SER A 118 CB - CA - C ANGL. DEV. = -11.9 DEGREES REMARK 500 REMARK 500 THIS ENTRY HAS 69 ANGLE DEVIATIONS. 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 GLU A 104 -74.52 -44.95 REMARK 500 ASP A 110 -97.17 -92.98 REMARK 500 ASN A 185 106.92 -162.07 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 A 187 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MTX A 188 DBREF 1DLS A 1 186 UNP P00374 DYR_HUMAN 1 186 SEQADV 1DLS TYR A 22 UNP P00374 LEU 22 CONFLICT SEQRES 1 A 186 VAL GLY SER LEU ASN CYS ILE VAL ALA VAL SER GLN ASN SEQRES 2 A 186 MET GLY ILE GLY LYS ASN GLY ASP TYR PRO TRP PRO PRO SEQRES 3 A 186 LEU ARG ASN GLU PHE ARG TYR PHE GLN ARG MET THR THR SEQRES 4 A 186 THR SER SER VAL GLU GLY LYS GLN ASN LEU VAL ILE MET SEQRES 5 A 186 GLY LYS LYS THR TRP PHE SER ILE PRO GLU LYS ASN ARG SEQRES 6 A 186 PRO LEU LYS GLY ARG ILE ASN LEU VAL LEU SER ARG GLU SEQRES 7 A 186 LEU LYS GLU PRO PRO GLN GLY ALA HIS PHE LEU SER ARG SEQRES 8 A 186 SER LEU ASP ASP ALA LEU LYS LEU THR GLU GLN PRO GLU SEQRES 9 A 186 LEU ALA ASN LYS VAL ASP MET VAL TRP ILE VAL GLY GLY SEQRES 10 A 186 SER SER VAL TYR LYS GLU ALA MET ASN HIS PRO GLY HIS SEQRES 11 A 186 LEU LYS LEU PHE VAL THR ARG ILE MET GLN ASP PHE GLU SEQRES 12 A 186 SER ASP THR PHE PHE PRO GLU ILE ASP LEU GLU LYS TYR SEQRES 13 A 186 LYS LEU LEU PRO GLU TYR PRO GLY VAL LEU SER ASP VAL SEQRES 14 A 186 GLN GLU GLU LYS GLY ILE LYS TYR LYS PHE GLU VAL TYR SEQRES 15 A 186 GLU LYS ASN ASP HET NDP A 187 48 HET MTX A 188 33 HETNAM NDP NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE HETNAM 2 NDP PHOSPHATE HETNAM MTX METHOTREXATE FORMUL 2 NDP C21 H30 N7 O17 P3 FORMUL 3 MTX C20 H22 N8 O5 FORMUL 4 HOH *111(H2 O) HELIX 1 1 ARG A 28 THR A 39 1 12 HELIX 2 2 LYS A 54 SER A 59 1 6 HELIX 3 3 GLU A 62 ASN A 64 5 3 HELIX 4 4 LEU A 93 GLU A 101 1 9 HELIX 5 5 PRO A 103 ALA A 106 1 4 HELIX 6 6 SER A 118 ALA A 124 1 7 SHEET 1 A 8 GLN A 170 GLU A 172 0 SHEET 2 A 8 ILE A 175 ASN A 185 -1 N TYR A 177 O GLN A 170 SHEET 3 A 8 HIS A 130 ILE A 138 -1 N ARG A 137 O LYS A 178 SHEET 4 A 8 LEU A 4 VAL A 10 1 N CYS A 6 O LYS A 132 SHEET 5 A 8 VAL A 112 ILE A 114 1 N VAL A 112 O ASN A 5 SHEET 6 A 8 LEU A 49 GLY A 53 1 N LEU A 49 O TRP A 113 SHEET 7 A 8 ILE A 71 LEU A 75 1 N ILE A 71 O VAL A 50 SHEET 8 A 8 PHE A 88 SER A 90 1 N PHE A 88 O VAL A 74 CISPEP 1 ARG A 65 PRO A 66 0 -6.55 CISPEP 2 GLY A 116 GLY A 117 0 2.46 SITE 1 AC1 33 VAL A 8 ALA A 9 ILE A 16 GLY A 17 SITE 2 AC1 33 GLY A 20 ASP A 21 TRP A 24 GLY A 53 SITE 3 AC1 33 LYS A 54 LYS A 55 THR A 56 SER A 59 SITE 4 AC1 33 LEU A 75 SER A 76 ARG A 77 GLU A 78 SITE 5 AC1 33 ARG A 91 VAL A 115 GLY A 117 SER A 118 SITE 6 AC1 33 SER A 119 VAL A 120 TYR A 121 GLU A 123 SITE 7 AC1 33 THR A 146 MTX A 188 HOH A 206 HOH A 222 SITE 8 AC1 33 HOH A 261 HOH A 273 HOH A 285 HOH A 286 SITE 9 AC1 33 HOH A 287 SITE 1 AC2 16 ILE A 7 VAL A 8 ALA A 9 ARG A 28 SITE 2 AC2 16 GLU A 30 PHE A 31 PHE A 34 GLN A 35 SITE 3 AC2 16 SER A 59 ASN A 64 ARG A 70 VAL A 115 SITE 4 AC2 16 TYR A 121 THR A 136 NDP A 187 HOH A 191 CRYST1 87.496 87.496 76.733 90.00 90.00 120.00 H 3 9 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 0.011429 0.006599 0.000000 0.00000 SCALE2 0.000000 0.013197 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013032 0.00000