HEADER MERCURY DETOXIFICATION 07-MAR-97 1AFI TITLE STRUCTURE OF THE REDUCED FORM OF MERP, THE PERIPLASMIC TITLE 2 PROTEIN FROM THE BACTERIAL MERCURY DETOXIFICATION SYSTEM, TITLE 3 NMR, 20 STRUCTURES COMPND MOL_ID: 1; COMPND 2 MOLECULE: MERP; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: MERCURIC TRANSPORT PROTEIN; COMPND 5 ENGINEERED: YES; COMPND 6 OTHER_DETAILS: THE PROTEIN STUDIED EXCLUDES THE PRECURSOR COMPND 7 SIGNAL SEQUENCE. THIS IS THE NATIVE FORM OF THE PROTEIN COMPND 8 AFTER CELL PROCESSING. SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SHIGELLA FLEXNERI; SOURCE 3 ORGANISM_TAXID: 623; SOURCE 4 CELLULAR_LOCATION: PERIPLASM; SOURCE 5 GENE: MERP; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: MALTOSE BINDING PROTEIN; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PSSS; SOURCE 11 EXPRESSION_SYSTEM_GENE: MERP; SOURCE 12 OTHER_DETAILS: MER GENES LOCATED ON TRANSPOSON TN21 KEYWDS MERCURY DETOXIFICATION, PERIPLASMIC, HEAVY METAL TRANSPORT, KEYWDS 2 ALPHA-BETA SANDWICH EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR R.A.STEELE,S.J.OPELLA REVDAT 2 24-FEB-09 1AFI 1 VERSN REVDAT 1 23-JUL-97 1AFI 0 JRNL AUTH R.A.STEELE,S.J.OPELLA JRNL TITL STRUCTURES OF THE REDUCED AND MERCURY-BOUND FORMS JRNL TITL 2 OF MERP, THE PERIPLASMIC PROTEIN FROM THE JRNL TITL 3 BACTERIAL MERCURY DETOXIFICATION SYSTEM. JRNL REF BIOCHEMISTRY V. 36 6885 1997 JRNL REFN ISSN 0006-2960 JRNL PMID 9188683 JRNL DOI 10.1021/BI9631632 REMARK 1 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.1 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: REFINEMENT DETAILS CAN BE FOUND IN REMARK 3 THE JRNL CITATION ABOVE. IN SUMMARY, INITIAL CALCULATIONS WERE REMARK 3 STARTED FROM A LINEAR POLYPEPTIDE TEMPLATE WITH RANDOM REMARK 3 BACKBONE ANGLES. AN ITERATIVE REFINEMENT WAS EMPLOYED USING REMARK 3 ADDITIONAL RESTRAINTS AS THE QUALITY OF THE STRUCTURES REMARK 3 IMPROVED AND AMBIGUITIES IN THE DATA WERE RESOLVED. REMARK 4 REMARK 4 1AFI COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 300 REMARK 210 PH : 6.5 REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : NULL REMARK 210 SAMPLE CONTENTS : NULL REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : HMQC-NOESY, HMQC-TOCSY, HNCA, REMARK 210 HNCOCA, CBCACONH REMARK 210 SPECTROMETER FIELD STRENGTH : 500 MHZ, 600 MHZ, 750 MHZ REMARK 210 SPECTROMETER MODEL : DMX500, DMX600, DMX750 REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : X-PLOR REMARK 210 METHOD USED : DISTANCE GEOMETRY SIMULATED REMARK 210 ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 80 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : LOWEST ENERGY 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 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 THR A 2 88.76 -152.62 REMARK 500 1 PRO A 10 39.94 -78.10 REMARK 500 1 MET A 12 62.11 33.12 REMARK 500 1 CYS A 14 90.06 70.31 REMARK 500 1 ALA A 16 -40.69 -131.44 REMARK 500 1 GLU A 29 -77.37 175.44 REMARK 500 1 LYS A 40 30.65 -150.29 REMARK 500 1 PHE A 47 -177.20 -172.11 REMARK 500 1 SER A 53 171.87 170.76 REMARK 500 1 PRO A 67 95.54 -65.72 REMARK 500 2 THR A 2 88.28 -151.80 REMARK 500 2 MET A 12 61.47 29.64 REMARK 500 2 CYS A 14 91.82 69.76 REMARK 500 2 ALA A 15 16.83 59.53 REMARK 500 2 GLU A 29 -86.91 179.25 REMARK 500 2 ARG A 41 60.19 38.75 REMARK 500 2 PHE A 47 -176.33 -171.88 REMARK 500 2 SER A 53 172.58 171.20 REMARK 500 2 PRO A 67 99.43 -55.49 REMARK 500 3 MET A 12 -79.57 69.04 REMARK 500 3 THR A 13 14.39 50.86 REMARK 500 3 CYS A 14 108.41 51.25 REMARK 500 3 ALA A 16 -37.68 -139.01 REMARK 500 3 GLU A 29 -77.58 176.41 REMARK 500 3 PHE A 47 -174.84 -171.54 REMARK 500 3 SER A 53 170.53 170.32 REMARK 500 3 PRO A 67 96.65 -59.85 REMARK 500 3 SER A 68 -167.10 -108.10 REMARK 500 4 MET A 12 -85.42 59.15 REMARK 500 4 THR A 13 14.05 50.32 REMARK 500 4 CYS A 14 109.15 54.48 REMARK 500 4 ALA A 15 26.27 39.99 REMARK 500 4 VAL A 28 -83.68 -41.76 REMARK 500 4 GLU A 29 -52.77 179.36 REMARK 500 4 LYS A 40 47.21 -152.43 REMARK 500 4 ARG A 41 63.16 39.91 REMARK 500 4 SER A 53 168.62 175.81 REMARK 500 4 PRO A 67 96.37 -60.00 REMARK 500 4 SER A 68 -168.42 -108.85 REMARK 500 5 THR A 2 89.89 -152.63 REMARK 500 5 PRO A 10 35.24 -76.82 REMARK 500 5 CYS A 14 97.06 77.32 REMARK 500 5 ALA A 16 -29.61 -162.45 REMARK 500 5 GLU A 29 -85.58 163.31 REMARK 500 5 LYS A 33 107.53 -176.02 REMARK 500 5 PHE A 47 -178.43 -170.59 REMARK 500 5 SER A 53 160.62 176.21 REMARK 500 5 PRO A 67 99.57 -55.51 REMARK 500 6 PRO A 10 32.48 -75.71 REMARK 500 6 CYS A 14 98.40 89.93 REMARK 500 6 ALA A 16 -44.67 -150.61 REMARK 500 6 VAL A 28 -80.81 -42.61 REMARK 500 6 GLU A 29 -69.48 177.11 REMARK 500 6 LYS A 33 103.90 -173.62 REMARK 500 6 LYS A 40 52.52 -160.91 REMARK 500 6 PHE A 47 -174.57 -170.65 REMARK 500 6 SER A 53 173.04 171.52 REMARK 500 6 PRO A 67 99.70 -57.02 REMARK 500 6 SER A 68 -165.35 -108.22 REMARK 500 7 PRO A 10 31.33 -74.80 REMARK 500 7 MET A 12 45.93 35.83 REMARK 500 7 CYS A 14 88.58 82.19 REMARK 500 7 ALA A 15 31.51 71.17 REMARK 500 7 ALA A 16 -35.40 -155.72 REMARK 500 7 VAL A 28 -80.47 -40.36 REMARK 500 7 GLU A 29 -57.85 179.30 REMARK 500 7 LYS A 40 37.95 -147.38 REMARK 500 7 PHE A 47 -177.09 -171.48 REMARK 500 7 LYS A 51 -35.57 -141.30 REMARK 500 7 SER A 53 175.79 173.14 REMARK 500 7 PRO A 67 100.49 -57.17 REMARK 500 8 THR A 2 99.69 -167.29 REMARK 500 8 PRO A 10 37.51 -76.62 REMARK 500 8 MET A 12 65.26 36.45 REMARK 500 8 CYS A 14 88.51 68.12 REMARK 500 8 ALA A 16 -41.64 -134.40 REMARK 500 8 ALA A 24 -72.14 -87.71 REMARK 500 8 VAL A 28 -80.26 -37.47 REMARK 500 8 GLU A 29 -51.32 -172.85 REMARK 500 8 PHE A 47 -178.15 -171.35 REMARK 500 8 LYS A 51 10.20 -143.62 REMARK 500 8 ALA A 52 -167.01 -169.83 REMARK 500 8 SER A 53 164.22 172.30 REMARK 500 8 PRO A 67 93.57 -63.07 REMARK 500 9 PRO A 10 29.41 -74.79 REMARK 500 9 CYS A 14 94.51 80.48 REMARK 500 9 ALA A 16 -37.81 -163.19 REMARK 500 9 VAL A 28 -73.09 -42.90 REMARK 500 9 GLU A 29 -71.05 175.08 REMARK 500 9 LYS A 40 32.51 -147.35 REMARK 500 9 SER A 53 154.44 170.84 REMARK 500 9 PRO A 67 98.94 -56.31 REMARK 500 10 PRO A 10 43.33 -78.64 REMARK 500 10 MET A 12 61.94 36.40 REMARK 500 10 ALA A 15 33.59 -174.74 REMARK 500 10 ALA A 16 -21.55 179.74 REMARK 500 10 GLU A 29 -69.45 176.31 REMARK 500 10 ARG A 41 60.52 38.55 REMARK 500 10 PHE A 47 -173.77 -171.60 REMARK 500 10 ASP A 49 35.77 -80.36 REMARK 500 10 ALA A 52 -178.57 -179.65 REMARK 500 10 SER A 53 -176.01 174.24 REMARK 500 10 PRO A 67 95.32 -61.99 REMARK 500 11 THR A 2 89.85 -152.41 REMARK 500 11 PRO A 10 49.91 -80.17 REMARK 500 11 MET A 12 42.83 38.43 REMARK 500 11 CYS A 14 95.86 78.99 REMARK 500 11 VAL A 28 -81.10 -44.01 REMARK 500 11 GLU A 29 -73.86 174.07 REMARK 500 11 SER A 53 169.50 172.30 REMARK 500 11 PRO A 67 97.16 -60.17 REMARK 500 11 SER A 69 -159.05 -148.52 REMARK 500 12 PRO A 10 44.37 -78.28 REMARK 500 12 MET A 12 -87.19 59.18 REMARK 500 12 THR A 13 15.69 48.27 REMARK 500 12 CYS A 14 104.82 45.43 REMARK 500 12 ALA A 16 -47.39 -137.61 REMARK 500 12 GLU A 29 -80.99 170.17 REMARK 500 12 LYS A 40 47.05 -148.07 REMARK 500 12 SER A 53 165.54 170.05 REMARK 500 12 PRO A 67 94.71 -63.38 REMARK 500 12 SER A 68 -165.00 -108.91 REMARK 500 12 SER A 69 -159.20 -152.49 REMARK 500 13 PRO A 10 36.67 -77.25 REMARK 500 13 MET A 12 54.91 38.47 REMARK 500 13 CYS A 14 89.26 66.45 REMARK 500 13 GLU A 29 -86.15 169.28 REMARK 500 13 LYS A 40 43.11 -148.70 REMARK 500 13 ALA A 52 -160.79 -171.76 REMARK 500 13 SER A 53 167.74 169.18 REMARK 500 13 PRO A 67 95.33 -59.85 REMARK 500 13 SER A 68 -168.74 -109.03 REMARK 500 14 PRO A 10 36.06 -76.39 REMARK 500 14 MET A 12 42.00 36.84 REMARK 500 14 CYS A 14 -41.15 144.33 REMARK 500 14 ALA A 15 30.30 -176.23 REMARK 500 14 GLU A 29 -77.29 172.34 REMARK 500 14 ARG A 41 59.64 36.89 REMARK 500 14 PHE A 47 -177.69 -170.22 REMARK 500 14 SER A 53 171.01 176.20 REMARK 500 14 PRO A 67 98.68 -57.19 REMARK 500 14 SER A 68 -166.31 -108.41 REMARK 500 15 MET A 12 59.40 35.77 REMARK 500 15 CYS A 14 92.63 68.50 REMARK 500 15 GLU A 29 -86.28 -179.90 REMARK 500 15 LYS A 40 40.04 -141.57 REMARK 500 15 PHE A 47 -175.04 -170.91 REMARK 500 15 ASP A 49 37.87 -80.94 REMARK 500 15 ALA A 52 176.21 179.17 REMARK 500 15 SER A 53 -166.91 172.83 REMARK 500 15 PRO A 67 96.83 -61.14 REMARK 500 15 SER A 69 -157.45 -145.18 REMARK 500 16 THR A 2 108.97 171.16 REMARK 500 16 MET A 12 50.09 26.61 REMARK 500 16 CYS A 14 94.18 78.74 REMARK 500 16 ALA A 16 -44.00 -160.81 REMARK 500 16 ALA A 24 -72.14 -88.79 REMARK 500 16 VAL A 28 -79.56 -29.85 REMARK 500 16 GLU A 29 -31.05 178.00 REMARK 500 16 LYS A 40 35.51 -142.70 REMARK 500 16 PHE A 47 -176.81 -171.92 REMARK 500 16 SER A 53 172.14 167.72 REMARK 500 16 PRO A 67 95.91 -59.54 REMARK 500 16 SER A 68 -165.10 -108.79 REMARK 500 17 THR A 2 88.42 -151.61 REMARK 500 17 PRO A 10 46.53 -78.06 REMARK 500 17 MET A 12 44.33 35.59 REMARK 500 17 CYS A 14 93.97 86.66 REMARK 500 17 ALA A 16 -38.69 -150.84 REMARK 500 17 VAL A 28 -82.27 -40.39 REMARK 500 17 GLU A 29 -57.48 174.97 REMARK 500 17 PHE A 47 -177.24 -170.83 REMARK 500 17 LYS A 51 -51.09 -137.35 REMARK 500 17 SER A 53 -169.02 168.40 REMARK 500 17 PRO A 67 97.58 -59.77 REMARK 500 17 SER A 68 -166.14 -108.31 REMARK 500 18 THR A 2 -135.30 -100.20 REMARK 500 18 PRO A 10 34.96 -76.27 REMARK 500 18 MET A 12 47.54 36.78 REMARK 500 18 CYS A 14 87.97 77.68 REMARK 500 18 ALA A 16 -31.27 -154.43 REMARK 500 18 GLU A 29 -80.43 173.17 REMARK 500 18 ARG A 41 62.31 39.47 REMARK 500 18 SER A 53 167.92 174.15 REMARK 500 18 PRO A 67 101.54 -55.38 REMARK 500 18 SER A 68 -169.68 -107.94 REMARK 500 19 PRO A 10 45.35 -77.41 REMARK 500 19 MET A 12 -88.86 54.30 REMARK 500 19 THR A 13 9.76 58.31 REMARK 500 19 CYS A 14 110.84 68.20 REMARK 500 19 ALA A 15 48.81 33.19 REMARK 500 19 ALA A 16 -40.91 -151.26 REMARK 500 19 VAL A 28 -80.65 -43.30 REMARK 500 19 GLU A 29 -57.34 172.35 REMARK 500 19 ARG A 41 60.20 22.35 REMARK 500 19 ASP A 49 26.94 -79.46 REMARK 500 19 SER A 53 164.28 174.06 REMARK 500 19 PRO A 67 99.70 -56.27 REMARK 500 19 SER A 68 -165.43 -108.42 REMARK 500 20 PRO A 10 39.83 -77.63 REMARK 500 20 CYS A 14 87.36 65.51 REMARK 500 20 ALA A 16 -48.16 -138.56 REMARK 500 20 GLU A 29 -72.22 158.10 REMARK 500 20 VAL A 31 139.29 -39.68 REMARK 500 20 LYS A 40 39.45 -143.05 REMARK 500 20 ARG A 41 60.21 36.22 REMARK 500 20 PHE A 47 -176.29 -171.62 REMARK 500 20 ALA A 52 -179.03 179.43 REMARK 500 20 SER A 53 -172.86 172.17 REMARK 500 20 VAL A 54 -38.13 -36.53 REMARK 500 20 PRO A 67 91.11 -57.76 REMARK 500 20 SER A 69 -159.95 -160.13 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: HMA REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: MERCURY BINDING CYS RESIDUES ARE CONTAINED IN REMARK 800 THE GMTCAAC HEAVY METAL BINDING REGION (HMA). DBREF 1AFI A 1 72 UNP P04129 MERP_SHIFL 20 91 SEQRES 1 A 72 ALA THR GLN THR VAL THR LEU ALA VAL PRO GLY MET THR SEQRES 2 A 72 CYS ALA ALA CYS PRO ILE THR VAL LYS LYS ALA LEU SER SEQRES 3 A 72 LYS VAL GLU GLY VAL SER LYS VAL ASP VAL GLY PHE GLU SEQRES 4 A 72 LYS ARG GLU ALA VAL VAL THR PHE ASP ASP THR LYS ALA SEQRES 5 A 72 SER VAL GLN LYS LEU THR LYS ALA THR ALA ASP ALA GLY SEQRES 6 A 72 TYR PRO SER SER VAL LYS GLN HELIX 1 1 CYS A 17 LYS A 27 1 11 HELIX 2 2 VAL A 54 ALA A 64 1 11 SHEET 1 A 4 SER A 69 VAL A 70 0 SHEET 2 A 4 GLN A 3 VAL A 9 -1 N ALA A 8 O SER A 69 SHEET 3 A 4 GLU A 42 PHE A 47 -1 N PHE A 47 O GLN A 3 SHEET 4 A 4 VAL A 31 GLY A 37 -1 N GLY A 37 O GLU A 42 SITE 1 HMA 2 CYS A 14 CYS A 17 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 ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL MASTER 286 0 0 2 4 0 1 6 0 0 0 6 END