HEADER OXIDOREDUCTASE 22-JUL-97 1AO8 TITLE DIHYDROFOLATE REDUCTASE COMPLEXED WITH METHOTREXATE, NMR, 21 TITLE 2 STRUCTURES COMPND MOL_ID: 1; COMPND 2 MOLECULE: DIHYDROFOLATE REDUCTASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: DHFR; COMPND 5 EC: 1.5.1.3; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: LACTOBACILLUS CASEI; SOURCE 3 ORGANISM_TAXID: 1582; SOURCE 4 STRAIN: METHOTREXATE-RESISTANT; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: NF1; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PMT702 KEYWDS OXIDOREDUCTASE, INHIBITOR-ENZYME COMPLEX EXPDTA SOLUTION NMR NUMMDL 21 AUTHOR A.R.GARGARO,A.SOTERIOU,T.A.FRENKIEL,C.J.BAUER,B.BIRDSALL, AUTHOR 2 V.I.POLSHAKOV,I.L.BARSUKOV,G.C.K.ROBERTS,J.FEENEY REVDAT 3 16-FEB-22 1AO8 1 REMARK REVDAT 2 24-FEB-09 1AO8 1 VERSN REVDAT 1 25-FEB-98 1AO8 0 JRNL AUTH A.R.GARGARO,A.SOTERIOU,T.A.FRENKIEL,C.J.BAUER,B.BIRDSALL, JRNL AUTH 2 V.I.POLSHAKOV,I.L.BARSUKOV,G.C.ROBERTS,J.FEENEY JRNL TITL THE SOLUTION STRUCTURE OF THE COMPLEX OF LACTOBACILLUS CASEI JRNL TITL 2 DIHYDROFOLATE REDUCTASE WITH METHOTREXATE. JRNL REF J.MOL.BIOL. V. 277 119 1998 JRNL REFN ISSN 0022-2836 JRNL PMID 9514736 JRNL DOI 10.1006/JMBI.1997.1560 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH J.T.BOLIN,D.J.FILMAN,D.A.MATTHEWS,R.C.HAMLIN,J.KRAUT REMARK 1 TITL CRYSTAL STRUCTURES OF ESCHERICHIA COLI AND LACTOBACILLUS REMARK 1 TITL 2 CASEI DIHYDROFOLATE REDUCTASE REFINED AT 1.7 A RESOLUTION. REMARK 1 TITL 3 I. GENERAL FEATURES AND BINDING OF METHOTREXATE REMARK 1 REF J.BIOL.CHEM. V. 257 13650 1982 REMARK 1 REFN ISSN 0021-9258 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: REFINEMENT DETAILS CAN BE FOUND IN THE REMARK 3 J. MOL. BIOL. PAPER, GARGARO ET AL. CITED ABOVE. REMARK 4 REMARK 4 1AO8 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000171053. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 308 REMARK 210 PH : 6.5 REMARK 210 IONIC STRENGTH : 150 MM REMARK 210 PRESSURE : NULL REMARK 210 SAMPLE CONTENTS : NULL REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : COSY; NOESY; ROESY; HNHA; HNHB; REMARK 210 HSQC; 3D-1H/13C-NOESY-HMQC; 3D- REMARK 210 1H/ 15N-HMQC-NOESY-HMQC; 1H/15N- REMARK 210 NOESY-HSQC; 4D-13C/ 13C-EDITED- REMARK 210 NOESY REMARK 210 SPECTROMETER FIELD STRENGTH : 600 MHZ REMARK 210 SPECTROMETER MODEL : UNITY REMARK 210 SPECTROMETER MANUFACTURER : VARIAN REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : XPLOR REMARK 210 METHOD USED : SIMULATED ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 21 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 21 REMARK 210 CONFORMERS, SELECTION CRITERIA : NO NOE VIOLATION REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : NULL REMARK 210 REMARK 210 REMARK: NULL REMARK 215 REMARK 215 NMR STUDY REMARK 215 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION REMARK 215 NMR DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE THAT REMARK 215 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON REMARK 215 THESE RECORDS ARE MEANINGLESS. 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: 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 1 LEU A 23 78.79 -113.87 REMARK 500 1 GLN A 33 32.92 -98.61 REMARK 500 1 THR A 34 -48.26 -150.30 REMARK 500 1 GLU A 56 -11.31 80.52 REMARK 500 1 ASP A 67 31.55 -148.17 REMARK 500 1 ALA A 70 110.46 -165.50 REMARK 500 1 HIS A 77 36.02 -144.34 REMARK 500 1 PHE A 106 56.77 -94.83 REMARK 500 1 ASP A 108 34.13 -98.27 REMARK 500 1 ASP A 109 76.92 -163.66 REMARK 500 1 ASP A 135 38.25 -97.26 REMARK 500 1 ASP A 146 -167.06 -115.62 REMARK 500 1 LEU A 151 31.17 -96.40 REMARK 500 2 GLN A 33 37.28 -98.78 REMARK 500 2 THR A 34 -45.28 -146.41 REMARK 500 2 HIS A 77 36.16 -150.24 REMARK 500 2 PHE A 106 52.13 -94.88 REMARK 500 2 ASP A 109 67.69 -109.92 REMARK 500 2 ASP A 111 -64.21 -133.76 REMARK 500 2 ASP A 135 35.81 -99.27 REMARK 500 2 LEU A 151 31.46 -96.72 REMARK 500 3 ILE A 13 28.70 -145.72 REMARK 500 3 LYS A 15 114.86 -163.58 REMARK 500 3 GLN A 33 41.17 -103.10 REMARK 500 3 THR A 34 -46.20 -149.99 REMARK 500 3 HIS A 77 36.48 -149.88 REMARK 500 3 ASP A 78 127.19 -170.55 REMARK 500 3 PHE A 106 47.47 -98.15 REMARK 500 3 ASP A 111 -69.56 -130.64 REMARK 500 3 ASP A 135 35.40 -97.96 REMARK 500 4 ILE A 13 30.86 -140.08 REMARK 500 4 GLN A 33 36.03 -97.17 REMARK 500 4 THR A 34 -46.90 -150.07 REMARK 500 4 HIS A 77 33.08 -149.91 REMARK 500 4 PHE A 106 40.29 -102.23 REMARK 500 4 ASP A 108 31.40 -98.61 REMARK 500 4 ASP A 109 77.10 -160.93 REMARK 500 4 ASP A 111 -55.21 -128.86 REMARK 500 4 ASP A 135 30.59 -98.02 REMARK 500 4 SER A 141 97.43 -165.98 REMARK 500 4 ASP A 146 -166.84 -119.48 REMARK 500 5 THR A 34 -45.41 -146.87 REMARK 500 5 ARG A 57 144.70 -177.29 REMARK 500 5 HIS A 64 35.82 -99.69 REMARK 500 5 ASP A 78 136.39 -176.15 REMARK 500 5 ASP A 109 51.39 -157.27 REMARK 500 5 ASP A 135 40.20 -96.80 REMARK 500 5 SER A 141 116.42 -169.72 REMARK 500 5 ASP A 146 -168.66 -101.08 REMARK 500 5 LEU A 151 33.83 -96.35 REMARK 500 REMARK 500 THIS ENTRY HAS 183 RAMACHANDRAN OUTLIERS. 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 MTX A 170 DBREF 1AO8 A 1 162 UNP P00381 DYR_LACCA 1 162 SEQRES 1 A 162 THR ALA PHE LEU TRP ALA GLN ASP ARG ASP GLY LEU ILE SEQRES 2 A 162 GLY LYS ASP GLY HIS LEU PRO TRP HIS LEU PRO ASP ASP SEQRES 3 A 162 LEU HIS TYR PHE ARG ALA GLN THR VAL GLY LYS ILE MET SEQRES 4 A 162 VAL VAL GLY ARG ARG THR TYR GLU SER PHE PRO LYS ARG SEQRES 5 A 162 PRO LEU PRO GLU ARG THR ASN VAL VAL LEU THR HIS GLN SEQRES 6 A 162 GLU ASP TYR GLN ALA GLN GLY ALA VAL VAL VAL HIS ASP SEQRES 7 A 162 VAL ALA ALA VAL PHE ALA TYR ALA LYS GLN HIS PRO ASP SEQRES 8 A 162 GLN GLU LEU VAL ILE ALA GLY GLY ALA GLN ILE PHE THR SEQRES 9 A 162 ALA PHE LYS ASP ASP VAL ASP THR LEU LEU VAL THR ARG SEQRES 10 A 162 LEU ALA GLY SER PHE GLU GLY ASP THR LYS MET ILE PRO SEQRES 11 A 162 LEU ASN TRP ASP ASP PHE THR LYS VAL SER SER ARG THR SEQRES 12 A 162 VAL GLU ASP THR ASN PRO ALA LEU THR HIS THR TYR GLU SEQRES 13 A 162 VAL TRP GLN LYS LYS ALA HET MTX A 170 54 HETNAM MTX METHOTREXATE FORMUL 2 MTX C20 H22 N8 O5 HELIX 1 HB PRO A 24 ALA A 32 1 9 HELIX 2 HC ARG A 43 SER A 48 1 6 HELIX 3 HE VAL A 79 GLN A 88 1 10 HELIX 4 HF ALA A 100 ALA A 105 1 6 SHEET 1 S1 8 VAL A 74 VAL A 76 0 SHEET 2 S1 8 THR A 58 LEU A 62 1 N VAL A 61 O VAL A 74 SHEET 3 S1 8 ILE A 38 VAL A 41 1 N MET A 39 O THR A 58 SHEET 4 S1 8 LEU A 94 GLY A 98 1 N VAL A 95 O ILE A 38 SHEET 5 S1 8 ALA A 2 GLN A 7 1 N ALA A 2 O LEU A 94 SHEET 6 S1 8 THR A 112 LEU A 118 1 O THR A 112 N PHE A 3 SHEET 7 S1 8 HIS A 153 LYS A 160 -1 N TRP A 158 O LEU A 113 SHEET 8 S1 8 PHE A 136 VAL A 144 -1 N PHE A 136 O GLN A 159 CISPEP 1 ARG A 52 PRO A 53 1 -0.01 CISPEP 2 GLY A 98 GLY A 99 1 -0.02 CISPEP 3 ARG A 52 PRO A 53 2 -0.32 CISPEP 4 GLY A 98 GLY A 99 2 0.14 CISPEP 5 ARG A 52 PRO A 53 3 -0.20 CISPEP 6 GLY A 98 GLY A 99 3 0.03 CISPEP 7 ARG A 52 PRO A 53 4 -0.33 CISPEP 8 GLY A 98 GLY A 99 4 0.05 CISPEP 9 ARG A 52 PRO A 53 5 -0.18 CISPEP 10 GLY A 98 GLY A 99 5 0.00 CISPEP 11 ARG A 52 PRO A 53 6 -0.23 CISPEP 12 GLY A 98 GLY A 99 6 0.11 CISPEP 13 ARG A 52 PRO A 53 7 -0.33 CISPEP 14 GLY A 98 GLY A 99 7 -0.08 CISPEP 15 ARG A 52 PRO A 53 8 -0.14 CISPEP 16 GLY A 98 GLY A 99 8 0.09 CISPEP 17 ARG A 52 PRO A 53 9 -0.25 CISPEP 18 GLY A 98 GLY A 99 9 -0.05 CISPEP 19 ARG A 52 PRO A 53 10 -0.42 CISPEP 20 GLY A 98 GLY A 99 10 0.04 CISPEP 21 ARG A 52 PRO A 53 11 -0.20 CISPEP 22 GLY A 98 GLY A 99 11 -0.01 CISPEP 23 ARG A 52 PRO A 53 12 -0.04 CISPEP 24 GLY A 98 GLY A 99 12 0.07 CISPEP 25 ARG A 52 PRO A 53 13 -0.17 CISPEP 26 GLY A 98 GLY A 99 13 0.03 CISPEP 27 ARG A 52 PRO A 53 14 -0.32 CISPEP 28 GLY A 98 GLY A 99 14 0.00 CISPEP 29 ARG A 52 PRO A 53 15 -0.27 CISPEP 30 GLY A 98 GLY A 99 15 0.14 CISPEP 31 ARG A 52 PRO A 53 16 -0.24 CISPEP 32 GLY A 98 GLY A 99 16 0.00 CISPEP 33 ARG A 52 PRO A 53 17 -0.33 CISPEP 34 GLY A 98 GLY A 99 17 0.06 CISPEP 35 ARG A 52 PRO A 53 18 -0.42 CISPEP 36 GLY A 98 GLY A 99 18 0.07 CISPEP 37 ARG A 52 PRO A 53 19 -0.14 CISPEP 38 GLY A 98 GLY A 99 19 0.02 CISPEP 39 ARG A 52 PRO A 53 20 -0.43 CISPEP 40 GLY A 98 GLY A 99 20 -0.11 CISPEP 41 ARG A 52 PRO A 53 21 -0.35 CISPEP 42 GLY A 98 GLY A 99 21 0.01 SITE 1 AC1 13 LEU A 4 TRP A 5 ALA A 6 LEU A 19 SITE 2 AC1 13 ASP A 26 LEU A 27 PHE A 30 ARG A 31 SITE 3 AC1 13 SER A 48 PHE A 49 ARG A 57 ALA A 97 SITE 4 AC1 13 THR A 116 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 1 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 1.000000 0.000000 0.000000 0.00000 SCALE2 0.000000 1.000000 0.000000 0.00000 SCALE3 0.000000 0.000000 1.000000 0.00000 MODEL 1