HEADER RIBONUCLEASE INHIBITOR 04-FEB-97 1AB7 TITLE NMR 15N RELAXATION AND STRUCTURAL STUDIES REVEAL CONFORMATIONAL TITLE 2 EXCHANGE IN BARSTAR C40/82A, 30 STRUCTURES COMPND MOL_ID: 1; COMPND 2 MOLECULE: BARSTAR; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BACILLUS AMYLOLIQUEFACIENS; SOURCE 3 ORGANISM_TAXID: 1390; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS RIBONUCLEASE INHIBITOR EXPDTA SOLUTION NMR NUMMDL 30 AUTHOR K.B.WONG,A.R.FERSHT,S.M.V.FREUND REVDAT 3 03-NOV-21 1AB7 1 REMARK SEQADV REVDAT 2 24-FEB-09 1AB7 1 VERSN REVDAT 1 04-SEP-97 1AB7 0 JRNL AUTH K.B.WONG,A.R.FERSHT,S.M.FREUND JRNL TITL NMR 15N RELAXATION AND STRUCTURAL STUDIES REVEAL SLOW JRNL TITL 2 CONFORMATIONAL EXCHANGE IN BARSTAR C40/82A. JRNL REF J.MOL.BIOL. V. 268 494 1997 JRNL REFN ISSN 0022-2836 JRNL PMID 9159486 JRNL DOI 10.1006/JMBI.1997.0989 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH R.W.HARTLEY REMARK 1 TITL BARNASE AND BARSTAR: TWO SMALL PROTEINS TO FOLD AND FIT REMARK 1 TITL 2 TOGETHER REMARK 1 REF TRENDS BIOCHEM.SCI. V. 14 450 1989 REMARK 1 REFN ISSN 0968-0004 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: NULL REMARK 4 REMARK 4 1AB7 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_1000170613. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 303 REMARK 210 PH : 6.7 REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : NULL REMARK 210 SAMPLE CONTENTS : NULL REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : NOESY REMARK 210 SPECTROMETER FIELD STRENGTH : 500 MHZ; 600 MHZ REMARK 210 SPECTROMETER MODEL : AMX 500; AMX2 600 REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : X-PLOR 3.1 REMARK 210 METHOD USED : DISTANCE GEOMETRY - SIMULATED REMARK 210 ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 150 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 30 REMARK 210 CONFORMERS, SELECTION CRITERIA : LEAST RESTRAINT VIOLATION REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : NULL REMARK 210 REMARK 210 REMARK: THE STRUCTURE WAS DETERMINED USING TRIPLE-RESONANCE NMR REMARK 210 SPECTROSCOPY ON THE 13C, 15N-LABELED BARSTAR MUTANT C40A,C82A 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 ALA A 25 51.88 71.97 REMARK 500 1 PRO A 27 -166.63 -78.06 REMARK 500 1 TYR A 30 115.43 -31.79 REMARK 500 1 ALA A 40 -71.28 -81.51 REMARK 500 1 THR A 42 45.65 -82.97 REMARK 500 1 TRP A 44 -55.62 -165.24 REMARK 500 1 GLU A 52 84.62 -66.46 REMARK 500 1 ARG A 54 -138.77 -61.68 REMARK 500 1 GLN A 55 102.16 -43.03 REMARK 500 1 SER A 59 -31.86 83.45 REMARK 500 1 THR A 63 -143.16 -135.81 REMARK 500 1 ASN A 65 38.67 179.92 REMARK 500 1 ALA A 79 -70.87 -90.21 REMARK 500 1 ALA A 82 149.87 -39.65 REMARK 500 1 ASP A 83 61.15 -106.46 REMARK 500 1 LEU A 88 -39.05 -147.36 REMARK 500 2 ALA A 25 50.83 75.41 REMARK 500 2 TYR A 30 117.44 -35.39 REMARK 500 2 ALA A 40 -70.83 -81.67 REMARK 500 2 TRP A 44 -46.15 -172.95 REMARK 500 2 GLU A 52 85.67 -61.23 REMARK 500 2 ARG A 54 -93.01 -52.85 REMARK 500 2 GLU A 57 -71.48 -48.54 REMARK 500 2 SER A 59 -42.05 83.15 REMARK 500 2 LEU A 62 -31.36 -33.13 REMARK 500 2 THR A 63 -133.50 -101.77 REMARK 500 2 GLU A 64 -47.03 -138.97 REMARK 500 2 ASN A 65 20.50 -156.60 REMARK 500 2 ALA A 82 160.81 -40.99 REMARK 500 2 ASP A 83 54.81 -115.79 REMARK 500 3 TYR A 30 114.06 -34.65 REMARK 500 3 TRP A 44 -46.82 -174.80 REMARK 500 3 GLU A 52 86.41 -62.51 REMARK 500 3 GLN A 55 -161.54 49.16 REMARK 500 3 PHE A 56 -71.14 173.11 REMARK 500 3 LEU A 62 -25.10 -38.81 REMARK 500 3 THR A 63 -134.23 -89.53 REMARK 500 3 GLU A 64 59.05 -163.50 REMARK 500 3 ASN A 65 16.87 83.61 REMARK 500 3 ALA A 79 -70.47 -93.88 REMARK 500 3 ALA A 82 155.87 -39.59 REMARK 500 3 ASP A 83 54.26 -109.73 REMARK 500 4 ALA A 25 51.42 77.22 REMARK 500 4 TYR A 30 110.51 -36.21 REMARK 500 4 ASN A 33 -168.08 -161.91 REMARK 500 4 ALA A 40 -71.35 -81.10 REMARK 500 4 THR A 42 41.58 -81.11 REMARK 500 4 TRP A 44 -66.44 -174.79 REMARK 500 4 VAL A 45 -29.21 -38.44 REMARK 500 4 GLU A 46 128.00 73.16 REMARK 500 REMARK 500 THIS ENTRY HAS 481 RAMACHANDRAN OUTLIERS. REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 1 ARG A 11 0.17 SIDE CHAIN REMARK 500 1 ARG A 54 0.24 SIDE CHAIN REMARK 500 1 ARG A 75 0.30 SIDE CHAIN REMARK 500 2 ARG A 11 0.10 SIDE CHAIN REMARK 500 2 ARG A 54 0.24 SIDE CHAIN REMARK 500 2 ARG A 75 0.08 SIDE CHAIN REMARK 500 3 ARG A 11 0.32 SIDE CHAIN REMARK 500 3 ARG A 54 0.32 SIDE CHAIN REMARK 500 3 ARG A 75 0.18 SIDE CHAIN REMARK 500 4 ARG A 11 0.29 SIDE CHAIN REMARK 500 4 ARG A 75 0.30 SIDE CHAIN REMARK 500 5 ARG A 11 0.28 SIDE CHAIN REMARK 500 5 ARG A 54 0.27 SIDE CHAIN REMARK 500 5 ARG A 75 0.26 SIDE CHAIN REMARK 500 6 ARG A 11 0.22 SIDE CHAIN REMARK 500 6 ARG A 54 0.18 SIDE CHAIN REMARK 500 6 ARG A 75 0.32 SIDE CHAIN REMARK 500 7 ARG A 11 0.31 SIDE CHAIN REMARK 500 7 ARG A 54 0.29 SIDE CHAIN REMARK 500 7 ARG A 75 0.19 SIDE CHAIN REMARK 500 8 ARG A 11 0.30 SIDE CHAIN REMARK 500 8 ARG A 54 0.30 SIDE CHAIN REMARK 500 8 ARG A 75 0.18 SIDE CHAIN REMARK 500 9 ARG A 11 0.31 SIDE CHAIN REMARK 500 9 ARG A 54 0.24 SIDE CHAIN REMARK 500 9 ARG A 75 0.22 SIDE CHAIN REMARK 500 10 ARG A 11 0.31 SIDE CHAIN REMARK 500 10 ARG A 54 0.30 SIDE CHAIN REMARK 500 10 ARG A 75 0.21 SIDE CHAIN REMARK 500 11 ARG A 11 0.21 SIDE CHAIN REMARK 500 11 ARG A 54 0.11 SIDE CHAIN REMARK 500 11 ARG A 75 0.30 SIDE CHAIN REMARK 500 12 ARG A 11 0.14 SIDE CHAIN REMARK 500 12 ARG A 54 0.19 SIDE CHAIN REMARK 500 12 ARG A 75 0.09 SIDE CHAIN REMARK 500 13 ARG A 11 0.13 SIDE CHAIN REMARK 500 13 ARG A 54 0.30 SIDE CHAIN REMARK 500 13 ARG A 75 0.26 SIDE CHAIN REMARK 500 14 ARG A 11 0.31 SIDE CHAIN REMARK 500 14 ARG A 54 0.31 SIDE CHAIN REMARK 500 14 ARG A 75 0.22 SIDE CHAIN REMARK 500 15 ARG A 11 0.27 SIDE CHAIN REMARK 500 15 ARG A 54 0.32 SIDE CHAIN REMARK 500 15 ARG A 75 0.12 SIDE CHAIN REMARK 500 16 ARG A 11 0.23 SIDE CHAIN REMARK 500 16 ARG A 54 0.24 SIDE CHAIN REMARK 500 16 ARG A 75 0.32 SIDE CHAIN REMARK 500 17 ARG A 11 0.24 SIDE CHAIN REMARK 500 17 ARG A 54 0.18 SIDE CHAIN REMARK 500 17 ARG A 75 0.29 SIDE CHAIN REMARK 500 REMARK 500 THIS ENTRY HAS 87 PLANE DEVIATIONS. REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: BNB REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: RESIDUE 26 - 44 IS THE REGION THAT BINDS TO THE REMARK 800 ACTIVE SITE OF THE RIBONUCLEASE BARNASE AND INHIBITS THE ENZYME. DBREF 1AB7 A 1 89 UNP P11540 BARS_BACAM 1 89 SEQADV 1AB7 ALA A 40 UNP P11540 CYS 40 ENGINEERED MUTATION SEQADV 1AB7 ALA A 82 UNP P11540 CYS 82 ENGINEERED MUTATION SEQRES 1 A 89 LYS LYS ALA VAL ILE ASN GLY GLU GLN ILE ARG SER ILE SEQRES 2 A 89 SER ASP LEU HIS GLN THR LEU LYS LYS GLU LEU ALA LEU SEQRES 3 A 89 PRO GLU TYR TYR GLY GLU ASN LEU ASP ALA LEU TRP ASP SEQRES 4 A 89 ALA LEU THR GLY TRP VAL GLU TYR PRO LEU VAL LEU GLU SEQRES 5 A 89 TRP ARG GLN PHE GLU GLN SER LYS GLN LEU THR GLU ASN SEQRES 6 A 89 GLY ALA GLU SER VAL LEU GLN VAL PHE ARG GLU ALA LYS SEQRES 7 A 89 ALA GLU GLY ALA ASP ILE THR ILE ILE LEU SER HELIX 1 H2 ASN A 33 GLY A 43 1 11 HELIX 2 H3 PHE A 56 THR A 63 1 8 HELIX 3 H4 GLU A 68 GLY A 81 1 14 SHEET 1 S1 2 LEU A 49 ARG A 54 0 SHEET 2 S1 2 ASP A 83 SER A 89 1 CISPEP 1 TYR A 47 PRO A 48 1 1.81 CISPEP 2 TYR A 47 PRO A 48 2 1.91 CISPEP 3 TYR A 47 PRO A 48 3 2.28 CISPEP 4 TYR A 47 PRO A 48 4 1.64 CISPEP 5 TYR A 47 PRO A 48 5 1.47 CISPEP 6 TYR A 47 PRO A 48 6 1.46 CISPEP 7 TYR A 47 PRO A 48 7 2.06 CISPEP 8 TYR A 47 PRO A 48 8 2.18 CISPEP 9 TYR A 47 PRO A 48 9 1.88 CISPEP 10 TYR A 47 PRO A 48 10 1.91 CISPEP 11 TYR A 47 PRO A 48 11 1.40 CISPEP 12 TYR A 47 PRO A 48 12 1.62 CISPEP 13 TYR A 47 PRO A 48 13 1.80 CISPEP 14 TYR A 47 PRO A 48 14 1.79 CISPEP 15 TYR A 47 PRO A 48 15 1.86 CISPEP 16 TYR A 47 PRO A 48 16 2.06 CISPEP 17 TYR A 47 PRO A 48 17 2.05 CISPEP 18 TYR A 47 PRO A 48 18 1.83 CISPEP 19 TYR A 47 PRO A 48 19 2.11 CISPEP 20 TYR A 47 PRO A 48 20 1.82 CISPEP 21 TYR A 47 PRO A 48 21 2.79 CISPEP 22 TYR A 47 PRO A 48 22 1.86 CISPEP 23 TYR A 47 PRO A 48 23 2.31 CISPEP 24 TYR A 47 PRO A 48 24 2.12 CISPEP 25 TYR A 47 PRO A 48 25 1.46 CISPEP 26 TYR A 47 PRO A 48 26 1.81 CISPEP 27 TYR A 47 PRO A 48 27 1.89 CISPEP 28 TYR A 47 PRO A 48 28 1.37 CISPEP 29 TYR A 47 PRO A 48 29 1.81 CISPEP 30 TYR A 47 PRO A 48 30 1.80 SITE 1 BNB 19 LEU A 26 PRO A 27 GLU A 28 TYR A 29 SITE 2 BNB 19 TYR A 30 GLY A 31 GLU A 32 ASN A 33 SITE 3 BNB 19 LEU A 34 ASP A 35 ALA A 36 LEU A 37 SITE 4 BNB 19 TRP A 38 ASP A 39 ALA A 40 LEU A 41 SITE 5 BNB 19 THR A 42 GLY A 43 TRP A 44 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