HEADER TOXIN 15-OCT-91 1NBT OBSLTE 11-MAR-98 1NBT 2NBT TITLE SOLUTION STRUCTURE OF NEURONAL BUNGAROTOXIN DETERMINED BY TITLE 2 TWO-*DIMENSIONAL /NMR$ SPECTROSCOPY: CALCULATION OF TITLE 3 TERTIARY STRUCTURE USING SYSTEMATIC HOMOLOGOUS MODEL TITLE 4 BUILDING, DYNAMICAL SIMULATED ANNEALING, AND RESTRAINED TITLE 5 MOLECULAR DYNAMICS COMPND MOL_ID: 1; COMPND 2 MOLECULE:; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1 KEYWDS TOXIN EXPDTA NMR, 12 STRUCTURES AUTHOR R.E.OSWALD,M.J.SUTCLIFFE,M.BAMBERGER,R.H.LORING,E.BRASWELL, AUTHOR 2 C.M.DOBSON REVDAT 1 31-OCT-93 1NBT 0 JRNL AUTH M.J.SUTCLIFFE,C.M.DOBSON,R.E.OSWALD JRNL TITL SOLUTION STRUCTURE OF NEURONAL BUNGAROTOXIN JRNL TITL 2 DETERMINED BY TWO-DIMENSIONAL /NMR SPECTROSCOPY: JRNL TITL 3 CALCULATION OF TERTIARY STRUCTURE USING SYSTEMATIC JRNL TITL 4 HOMOLOGOUS MODEL BUILDING, DYNAMICAL SIMULATED JRNL TITL 5 ANNEALING, AND RESTRAINED MOLECULAR DYNAMICS JRNL REF BIOCHEMISTRY V. 31 2962 1992 JRNL REFN ASTM BICHAW US ISSN 0006-2960 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH R.E.OSWALD,M.J.SUTCLIFFE,M.BAMBERGER,R.H.LORING, REMARK 1 AUTH 2 E.BRASWELL,C.M.DOBSON REMARK 1 TITL SOLUTION STRUCTURE OF NEURONAL BUNGAROTOXIN REMARK 1 TITL 2 DETERMINED BY TWO-DIMENSIONAL /NMR SPECTROSCOPY: REMARK 1 TITL 3 SEQUENCE-SPECIFIC ASSIGNMENTS, SECONDARY REMARK 1 TITL 4 STRUCTURE, AND DIMER FORMATION REMARK 1 REF BIOCHEMISTRY V. 30 4901 1991 REMARK 1 REFN ASTM BICHAW US ISSN 0006-2960 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : NULL REMARK 3 AUTHORS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1NBT COMPLIES WITH FORMAT V. 2.3, 09-JULY-1998 REMARK 5 REMARK 5 1NBT THE N-TERMINAL REGION (ARG 1 - ILE 20) IS FAIRLY WELL REMARK 5 1NBT DEFINED WHEN CONSIDERED IN ISOLATION, ALTHOUGH IT IS REMARK 5 NOT 1NBT WELL DEFINED WITH RESPECT TO THE REST OF THE REMARK 5 STRUCTURE. 1NBT THE C-TERMINAL REGION (THR 60 - HIS 66) IS REMARK 5 NOT WELL 1NBT DEFINED WITH RESPECT TO THE REST OF THE REMARK 5 STRUCTURE. 1NBT REMARK 6 REMARK 6 1NBT FOR A NUMBER OF ILE AND THR RESIDUES, THE SIDE CHAINS REMARK 6 WERE 1NBT BUILT INTO THE STARTING MODEL WITH WRONG REMARK 6 CHIRALITY AND THIS 1NBT PROBLEM WAS NOT CORRECTED BY X- REMARK 6 PLOR. 1NBT 1NBT MODEL 1 - THR A 2 1NBT THR B 2 1NBT 1NBT REMARK 6 MODEL 2 - ILE A 38 1NBT ILE B 38 1NBT 1NBT MODEL 3 - THR A REMARK 6 2 1NBT ILE A 20 1NBT ILE A 38 1NBT THR B 2 1NBT ILE B 20 REMARK 6 1NBT ILE B 38 1NBT 1NBT MODEL 4 - THR A 2 1NBT ILE A 38 REMARK 6 1NBT THR B 2 1NBT ILE B 38 1NBT 1NBT MODEL 5 - THR A 2 1NBT REMARK 6 ILE A 5 1NBT THR A 10 1NBT THR A 13 1NBT ILE A 33 1NBT ILE REMARK 6 A 38 1NBT THR B 2 1NBT ILE B 5 1NBT THR B 10 1NBT THR B 13 REMARK 6 1NBT ILE B 33 1NBT ILE B 38 1NBT 1NBT MODEL 6 - THR A 2 REMARK 6 1NBT ILE A 38 1NBT THR B 2 1NBT ILE B 38 1NBT 1NBT MODEL 7 REMARK 6 - THR A 2 1NBT ILE A 33 1NBT ILE A 38 1NBT THR B 2 1NBT ILE REMARK 6 B 33 1NBT ILE B 38 1NBT 1NBT MODEL 8 - THR A 2 1NBT ILE A REMARK 6 38 1NBT THR B 2 1NBT ILE B 38 1NBT 1NBT MODEL 9 - THR A 2 REMARK 6 1NBT ILE A 38 1NBT THR B 2 1NBT ILE B 38 1NBT 1NBT MODEL 10 REMARK 6 - THR A 2 1NBT ILE A 38 1NBT THR B 2 1NBT ILE B 38 1NBT REMARK 6 1NBT MODEL 11 - THR A 2 1NBT ILE A 38 1NBT THR B 2 1NBT ILE REMARK 6 B 38 1NBT 1NBT MODEL 12 - THR A 2 1NBT ILE A 38 1NBT THR B REMARK 6 2 1NBT ILE B 38 1NBT REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : NULL REMARK 210 PH : NULL REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : NULL REMARK 210 SAMPLE CONTENTS : NULL REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : NULL REMARK 210 SPECTROMETER FIELD STRENGTH : NULL REMARK 210 SPECTROMETER MODEL : NULL REMARK 210 SPECTROMETER MANUFACTURER : NULL REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : NULL REMARK 210 METHOD USED : NULL REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : NULL REMARK 210 CONFORMERS, NUMBER SUBMITTED : NULL REMARK 210 CONFORMERS, SELECTION CRITERIA : NULL 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: 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: ENGH AND HUBER, 1991 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 1 GLN A 26 N - CA - C ANGL. DEV. = 18.3 DEGREES REMARK 500 1 GLN B 26 N - CA - C ANGL. DEV. = 18.3 DEGREES REMARK 500 2 LEU A 4 N - CA - C ANGL. DEV. = 20.5 DEGREES REMARK 500 2 PRO A 47 N - CA - C ANGL. DEV. = 19.2 DEGREES REMARK 500 2 LEU B 4 N - CA - C ANGL. DEV. = 20.5 DEGREES REMARK 500 2 PRO B 47 N - CA - C ANGL. DEV. = 19.2 DEGREES REMARK 500 3 LEU A 4 N - CA - C ANGL. DEV. = 18.7 DEGREES REMARK 500 3 LEU B 4 N - CA - C ANGL. DEV. = 18.7 DEGREES REMARK 500 7 CYS A 3 N - CA - C ANGL. DEV. =-17.5 DEGREES REMARK 500 7 ILE A 38 N - CA - C ANGL. DEV. = 19.7 DEGREES REMARK 500 7 CYS B 3 N - CA - C ANGL. DEV. =-17.5 DEGREES REMARK 500 7 ILE B 38 N - CA - C ANGL. DEV. = 19.7 DEGREES REMARK 500 8 LEU A 4 N - CA - C ANGL. DEV. = 26.8 DEGREES REMARK 500 8 LEU B 4 N - CA - C ANGL. DEV. = 26.7 DEGREES 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 M RES CSSEQI PSI PHI REMARK 500 1 ALA A 44 -57.09 123.02 REMARK 500 1 PHE A 49 66.54 2.49 REMARK 500 1 ALA B 44 -57.18 123.07 REMARK 500 1 PHE B 49 66.46 2.57 REMARK 500 2 SER A 8 48.92 117.82 REMARK 500 2 ILE A 20 158.27 26.38 REMARK 500 2 PHE A 49 55.43 -3.25 REMARK 500 2 THR A 60 -73.76 132.95 REMARK 500 2 ASP A 62 -112.32 111.79 REMARK 500 2 SER B 8 48.97 117.84 REMARK 500 2 ILE B 20 158.37 26.34 REMARK 500 2 PHE B 49 55.41 -3.21 REMARK 500 2 THR B 60 -73.81 132.92 REMARK 500 2 ASP B 62 -112.24 111.77 REMARK 500 3 SER A 9 65.32 -7.77 REMARK 500 3 CYS A 14 109.91 121.79 REMARK 500 3 PHE A 30 -41.31 130.29 REMARK 500 3 ALA A 44 -42.22 128.48 REMARK 500 3 PHE A 49 64.25 -8.36 REMARK 500 3 SER B 9 65.29 -7.81 REMARK 500 3 CYS B 14 109.98 121.81 REMARK 500 3 PHE B 30 -41.34 130.30 REMARK 500 3 ALA B 44 -42.28 128.53 REMARK 500 3 PHE B 49 64.22 -8.38 REMARK 500 4 SER A 9 78.31 115.90 REMARK 500 4 CYS A 46 160.64 127.10 REMARK 500 4 PHE A 49 63.12 -1.10 REMARK 500 4 SER B 9 78.39 115.86 REMARK 500 4 CYS B 46 160.60 127.15 REMARK 500 4 PHE B 49 63.11 -1.09 REMARK 500 6 SER A 6 150.43 107.57 REMARK 500 6 SER A 32 -23.74 148.64 REMARK 500 6 SER B 6 150.45 107.55 REMARK 500 6 SER B 32 -23.62 148.65 REMARK 500 7 CYS A 14 166.16 126.13 REMARK 500 7 ASN A 16 139.49 104.00 REMARK 500 7 ALA A 44 -67.96 136.81 REMARK 500 7 PHE A 49 48.38 0.21 REMARK 500 7 CYS A 64 -61.97 108.82 REMARK 500 7 CYS B 14 166.13 126.04 REMARK 500 7 ASN B 16 139.44 104.06 REMARK 500 7 ALA B 44 -68.03 136.80 REMARK 500 7 PHE B 49 48.39 0.18 REMARK 500 7 CYS B 64 -61.94 108.87 REMARK 500 8 SER A 9 141.95 35.49 REMARK 500 8 ASN A 16 165.55 54.73 REMARK 500 8 ILE A 20 172.03 4.17 REMARK 500 8 PHE A 30 -38.44 113.18 REMARK 500 8 SER B 9 142.04 35.31 REMARK 500 8 ASN B 16 165.46 54.80 REMARK 500 8 ILE B 20 171.97 4.23 REMARK 500 8 PHE B 30 -38.40 113.16 REMARK 500 9 LYS A 29 76.49 127.67 REMARK 500 9 PHE A 30 60.76 117.25 REMARK 500 9 SER A 32 2.53 115.65 REMARK 500 9 LYS B 29 76.51 127.65 REMARK 500 9 PHE B 30 60.74 117.28 REMARK 500 9 SER B 32 2.58 115.67 REMARK 500 10 PHE A 30 -37.37 108.66 REMARK 500 10 ASP A 62 158.83 77.76 REMARK 500 10 CYS A 64 38.54 120.81 REMARK 500 10 PHE B 30 -37.41 108.69 REMARK 500 10 ASP B 62 158.78 77.85 REMARK 500 10 CYS B 64 38.54 120.87 REMARK 500 11 CYS A 21 110.30 131.10 REMARK 500 11 ALA A 44 -53.19 133.99 REMARK 500 11 ASP A 62 176.27 123.93 REMARK 500 11 CYS B 21 110.29 131.16 REMARK 500 11 ALA B 44 -53.18 133.87 REMARK 500 11 ASP B 62 176.37 123.97 REMARK 500 12 THR A 13 157.82 114.85 REMARK 500 12 GLN A 18 -59.93 115.48 REMARK 500 12 THR B 13 157.79 114.74 REMARK 500 12 GLN B 18 -59.97 115.50 SEQRES 1 A 66 ARG THR CYS LEU ILE SER PRO SER SER THR PRO GLN THR SEQRES 2 A 66 CYS PRO ASN GLY GLN ASP ILE CYS PHE LEU LYS ALA GLN SEQRES 3 A 66 CYS ASP LYS PHE CYS SER ILE ARG GLY PRO VAL ILE GLU SEQRES 4 A 66 GLN GLY CYS VAL ALA THR CYS PRO GLN PHE ARG SER ASN SEQRES 5 A 66 TYR ARG SER LEU LEU CYS CYS THR THR ASP ASN CYS ASN SEQRES 6 A 66 HIS SEQRES 1 B 66 ARG THR CYS LEU ILE SER PRO SER SER THR PRO GLN THR SEQRES 2 B 66 CYS PRO ASN GLY GLN ASP ILE CYS PHE LEU LYS ALA GLN SEQRES 3 B 66 CYS ASP LYS PHE CYS SER ILE ARG GLY PRO VAL ILE GLU SEQRES 4 B 66 GLN GLY CYS VAL ALA THR CYS PRO GLN PHE ARG SER ASN SEQRES 5 B 66 TYR ARG SER LEU LEU CYS CYS THR THR ASP ASN CYS ASN SEQRES 6 B 66 HIS SHEET 1 A 2 CYS A 21 PHE A 22 0 SHEET 2 A 2 GLY A 41 CYS A 42 -1 O GLY A 41 N PHE A 22 SHEET 1 B 2 LYS A 24 ALA A 25 0 SHEET 2 B 2 SER A 55 LEU A 56 -1 O SER A 55 N ALA A 25 SHEET 1 C 2 CYS B 21 PHE B 22 0 SHEET 2 C 2 GLY B 41 CYS B 42 -1 O GLY B 41 N PHE B 22 SHEET 1 D 2 LYS B 24 ALA B 25 0 SHEET 2 D 2 SER B 55 LEU B 56 -1 O SER B 55 N ALA B 25 SSBOND 1 CYS A 3 CYS A 21 SSBOND 2 CYS A 14 CYS A 42 SSBOND 3 CYS A 27 CYS A 31 SSBOND 4 CYS A 46 CYS A 58 SSBOND 5 CYS A 59 CYS A 64 SSBOND 6 CYS B 3 CYS B 21 SSBOND 7 CYS B 14 CYS B 42 SSBOND 8 CYS B 27 CYS B 31 SSBOND 9 CYS B 46 CYS B 58 SSBOND 10 CYS B 59 CYS B 64 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