HEADER TOXIN 08-OCT-06 2E0H TITLE SOLUTION STRUCTURE OF BMKALPHAIT01, AN ALPHA-INSECT TOXIN TITLE 2 FROM THE VENOM OF THE CHINESE SCORPION BUTHUS MARTENSI TITLE 3 KARSCH COMPND MOL_ID: 1; COMPND 2 MOLECULE: ALPHA-NEUROTOXIN TX12; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: BMKALPHATX12, ALPHA-NEUROTOXIN IT01, BMKALPHAIT01, COMPND 5 BMKALPHAIT1 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MESOBUTHUS MARTENSII; SOURCE 3 ORGANISM_COMMON: CHINESE SCORPION; SOURCE 4 ORGANISM_TAXID: 34649; SOURCE 5 STRAIN: MARTENSI; SOURCE 6 OTHER_DETAILS: BUTHUS MARTENSI KARSCH, SCORPION FROM HENAN SOURCE 7 PROVINCE OF P.R. CHINA KEYWDS AN ALPHA-INSECT TOXIN EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR X.T.TONG,X.CHEN,H.M.WU REVDAT 2 24-FEB-09 2E0H 1 VERSN REVDAT 1 16-OCT-07 2E0H 0 JRNL AUTH X.TONG,J.ZHU,Y.MA,X.CHEN,G.WU,F.HE,C.CAO,H.WU JRNL TITL SOLUTION STRUCTURE OF BMKALPHAIT01, AN JRNL TITL 2 ALPHA-INSECT TOXIN FROM THE VENOM OF THE CHINESE JRNL TITL 3 SCORPION BUTHUS MARTENSII KARSCH JRNL REF BIOCHEMISTRY V. 46 11322 2007 JRNL REFN ISSN 0006-2960 JRNL PMID 17877370 JRNL DOI 10.1021/BI7006788 REMARK 1 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : AMBER 5.0 REMARK 3 AUTHORS : KOLLMAN, P.A., CASE, D., MERZ, K., CHEATHAM, REMARK 3 T., SIMMERLING, C., PHARMACEUTICALS, V. REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2E0H COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 10-OCT-06. REMARK 100 THE RCSB ID CODE IS RCSB026071. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 300; 310 REMARK 210 PH : 4.9; 4.9 REMARK 210 IONIC STRENGTH : NULL; NULL REMARK 210 PRESSURE : AMBIENT; AMBIENT REMARK 210 SAMPLE CONTENTS : 1.4MM BMKALPHAIT01; 20MM REMARK 210 PHOSPHATE BUFFER; 90% H2O, 10% REMARK 210 D2O; 1.4MM BMKALPHAIT01; 20MM REMARK 210 PHOSPHATE BUFFER; 100% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D NOESY, 2D TOCSY, DQF-COSY REMARK 210 SPECTROMETER FIELD STRENGTH : 600 MHZ REMARK 210 SPECTROMETER MODEL : INOVA REMARK 210 SPECTROMETER MANUFACTURER : VARIAN REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : VNMR 6.1B, XEASY 1994 REMARK 210 METHOD USED : NULL REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 200 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : STRUCTURES WITH THE LOWEST REMARK 210 ENERGY REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1 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 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 7 TYR A 38 CB - CG - CD2 ANGL. DEV. = -3.8 DEGREES REMARK 500 11 CYS A 16 CA - CB - SG ANGL. DEV. = 8.0 DEGREES REMARK 500 11 CYS A 36 CA - CB - SG ANGL. DEV. = 7.8 DEGREES REMARK 500 11 ARG A 58 NE - CZ - NH2 ANGL. DEV. = -3.0 DEGREES REMARK 500 20 ARG A 18 NE - CZ - NH2 ANGL. DEV. = -3.1 DEGREES 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 1 GLN A 8 -70.45 -97.49 REMARK 500 1 ASN A 9 93.58 175.25 REMARK 500 1 CYS A 16 80.11 -68.66 REMARK 500 1 PRO A 37 92.12 -64.58 REMARK 500 1 TYR A 38 -74.66 -69.17 REMARK 500 1 HIS A 42 -35.05 70.94 REMARK 500 1 LYS A 43 100.99 73.00 REMARK 500 2 ASN A 9 105.53 -35.95 REMARK 500 2 ASN A 11 11.65 80.88 REMARK 500 2 HIS A 15 75.01 -61.17 REMARK 500 2 CYS A 16 85.19 -66.54 REMARK 500 2 PRO A 37 98.46 -61.58 REMARK 500 2 HIS A 42 49.88 34.74 REMARK 500 2 LYS A 43 117.29 -29.29 REMARK 500 2 PHE A 44 67.41 80.13 REMARK 500 2 ARG A 58 94.98 -61.29 REMARK 500 3 ASN A 9 107.98 -41.02 REMARK 500 3 ASN A 11 25.42 89.16 REMARK 500 3 LYS A 43 -56.24 68.55 REMARK 500 4 ASN A 9 115.24 168.98 REMARK 500 4 CYS A 16 95.49 -56.19 REMARK 500 4 LEU A 39 61.06 16.50 REMARK 500 4 LYS A 43 -88.04 58.68 REMARK 500 4 ARG A 58 96.61 -69.68 REMARK 500 4 LYS A 62 172.93 -55.63 REMARK 500 5 GLN A 8 -95.20 -82.21 REMARK 500 5 ASN A 9 90.20 -161.77 REMARK 500 5 HIS A 15 91.88 -66.47 REMARK 500 5 CYS A 16 96.05 -58.73 REMARK 500 5 SER A 33 -164.06 -177.39 REMARK 500 5 LYS A 43 103.80 -15.31 REMARK 500 5 PHE A 44 67.78 78.68 REMARK 500 6 CYS A 16 82.63 -64.19 REMARK 500 6 LYS A 43 -82.58 56.83 REMARK 500 6 ALA A 45 -164.86 -167.53 REMARK 500 7 ALA A 17 -55.93 -132.06 REMARK 500 7 PRO A 37 96.90 -61.42 REMARK 500 7 LYS A 43 -67.69 62.94 REMARK 500 7 ASP A 50 41.52 71.10 REMARK 500 8 ASN A 9 99.71 172.99 REMARK 500 8 HIS A 15 88.99 -26.07 REMARK 500 8 SER A 33 -172.74 -173.69 REMARK 500 8 LYS A 43 -83.85 56.94 REMARK 500 9 ASN A 9 109.92 -43.89 REMARK 500 9 ASN A 11 19.21 80.43 REMARK 500 9 ALA A 17 -45.22 -169.87 REMARK 500 9 LEU A 39 61.66 27.43 REMARK 500 9 LYS A 43 106.54 -15.73 REMARK 500 9 PHE A 44 72.38 77.42 REMARK 500 10 ALA A 4 174.80 178.94 REMARK 500 10 ASN A 9 108.78 -46.14 REMARK 500 10 HIS A 15 84.24 -69.81 REMARK 500 10 CYS A 16 94.25 -59.65 REMARK 500 10 SER A 33 -161.70 -174.60 REMARK 500 10 LYS A 43 -75.19 51.40 REMARK 500 10 ASP A 50 38.79 78.95 REMARK 500 11 CYS A 16 84.99 -64.50 REMARK 500 11 SER A 33 -167.31 -170.82 REMARK 500 11 TYR A 38 -48.56 -137.27 REMARK 500 11 LEU A 39 -74.19 -91.20 REMARK 500 11 GLU A 41 64.33 -49.49 REMARK 500 11 LYS A 43 -100.87 41.16 REMARK 500 11 PRO A 56 -163.80 -66.03 REMARK 500 12 ASN A 11 18.97 80.90 REMARK 500 12 CYS A 16 89.66 -55.59 REMARK 500 12 SER A 33 -165.24 -174.23 REMARK 500 12 TYR A 38 -79.47 -85.56 REMARK 500 12 LEU A 39 174.39 64.62 REMARK 500 12 GLU A 41 -73.97 -19.97 REMARK 500 12 PHE A 44 94.68 76.88 REMARK 500 13 ASN A 9 108.90 -45.27 REMARK 500 13 CYS A 16 105.05 -46.05 REMARK 500 13 SER A 33 -163.27 -173.64 REMARK 500 13 CYS A 36 70.18 -119.37 REMARK 500 13 LEU A 39 176.48 60.57 REMARK 500 13 PHE A 44 88.78 68.87 REMARK 500 14 ASN A 9 123.31 171.08 REMARK 500 14 PRO A 37 100.88 -55.58 REMARK 500 14 HIS A 42 50.66 -105.70 REMARK 500 14 LYS A 43 110.55 -16.54 REMARK 500 14 PHE A 44 67.07 70.29 REMARK 500 14 ASP A 53 -54.56 -16.36 REMARK 500 14 ARG A 58 98.02 -69.30 REMARK 500 15 ASN A 9 108.36 -40.69 REMARK 500 15 CYS A 16 89.51 -59.10 REMARK 500 15 LEU A 39 49.52 -83.34 REMARK 500 15 HIS A 42 31.00 -82.07 REMARK 500 15 LYS A 43 -137.15 51.67 REMARK 500 15 ASP A 50 51.53 71.51 REMARK 500 15 ARG A 58 88.85 -67.04 REMARK 500 16 CYS A 16 83.34 -67.13 REMARK 500 16 SER A 33 -163.54 -179.46 REMARK 500 16 PRO A 37 89.19 -62.30 REMARK 500 16 LEU A 39 46.74 35.26 REMARK 500 16 LYS A 43 -63.78 65.15 REMARK 500 16 ARG A 58 96.58 -64.78 REMARK 500 17 ALA A 4 148.04 -172.29 REMARK 500 17 GLN A 8 -166.34 -113.42 REMARK 500 17 CYS A 16 -158.91 62.12 REMARK 500 17 ALA A 17 -52.59 -176.95 REMARK 500 17 PHE A 44 116.72 83.78 REMARK 500 17 ASP A 50 29.59 -164.86 REMARK 500 17 LYS A 62 -159.02 -71.83 REMARK 500 18 ASN A 9 109.12 -49.29 REMARK 500 18 CYS A 16 85.73 -68.17 REMARK 500 18 LEU A 39 44.69 -109.98 REMARK 500 18 GLU A 41 49.34 -77.25 REMARK 500 18 HIS A 42 3.41 178.19 REMARK 500 18 LYS A 43 -97.74 48.53 REMARK 500 19 HIS A 15 82.17 -69.94 REMARK 500 19 CYS A 16 100.66 -58.75 REMARK 500 19 SER A 33 -164.23 -176.37 REMARK 500 19 PRO A 37 107.17 -57.31 REMARK 500 19 TYR A 38 -75.05 -75.60 REMARK 500 19 HIS A 42 -40.54 75.53 REMARK 500 19 LYS A 43 113.70 75.25 REMARK 500 19 LYS A 62 -175.27 -67.92 REMARK 500 20 ASN A 9 108.08 -40.23 REMARK 500 20 TYR A 14 -111.84 -90.55 REMARK 500 20 CYS A 16 99.55 -66.03 REMARK 500 20 HIS A 42 55.64 -105.89 REMARK 500 20 LYS A 43 96.31 -25.44 REMARK 500 20 PHE A 44 82.81 91.68 REMARK 500 20 ASP A 50 37.48 -170.13 REMARK 500 20 ARG A 58 92.12 -69.04 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 ASP A 3 ALA A 4 20 134.46 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 TYR A 10 0.06 SIDE_CHAIN REMARK 500 1 TYR A 21 0.09 SIDE_CHAIN REMARK 500 2 TYR A 47 0.09 SIDE_CHAIN REMARK 500 3 TYR A 38 0.07 SIDE_CHAIN REMARK 500 3 ARG A 58 0.12 SIDE_CHAIN REMARK 500 4 ARG A 2 0.09 SIDE_CHAIN REMARK 500 4 TYR A 14 0.11 SIDE_CHAIN REMARK 500 5 TYR A 5 0.17 SIDE_CHAIN REMARK 500 5 TYR A 10 0.10 SIDE_CHAIN REMARK 500 5 TYR A 21 0.13 SIDE_CHAIN REMARK 500 6 ARG A 2 0.09 SIDE_CHAIN REMARK 500 7 TYR A 38 0.15 SIDE_CHAIN REMARK 500 7 TYR A 47 0.11 SIDE_CHAIN REMARK 500 8 TYR A 5 0.09 SIDE_CHAIN REMARK 500 8 TYR A 38 0.08 SIDE_CHAIN REMARK 500 8 TYR A 47 0.09 SIDE_CHAIN REMARK 500 9 TYR A 5 0.08 SIDE_CHAIN REMARK 500 9 TYR A 14 0.11 SIDE_CHAIN REMARK 500 10 TYR A 5 0.09 SIDE_CHAIN REMARK 500 10 TYR A 14 0.10 SIDE_CHAIN REMARK 500 10 ARG A 18 0.08 SIDE_CHAIN REMARK 500 10 TYR A 21 0.11 SIDE_CHAIN REMARK 500 10 TYR A 38 0.07 SIDE_CHAIN REMARK 500 11 TYR A 10 0.15 SIDE_CHAIN REMARK 500 11 TYR A 21 0.12 SIDE_CHAIN REMARK 500 11 ARG A 58 0.13 SIDE_CHAIN REMARK 500 12 TYR A 5 0.15 SIDE_CHAIN REMARK 500 12 TYR A 14 0.09 SIDE_CHAIN REMARK 500 12 TYR A 21 0.07 SIDE_CHAIN REMARK 500 15 ARG A 2 0.10 SIDE_CHAIN REMARK 500 15 TYR A 5 0.21 SIDE_CHAIN REMARK 500 15 TYR A 14 0.17 SIDE_CHAIN REMARK 500 16 TYR A 38 0.08 SIDE_CHAIN REMARK 500 17 ARG A 58 0.10 SIDE_CHAIN REMARK 500 18 TYR A 5 0.10 SIDE_CHAIN REMARK 500 20 TYR A 5 0.15 SIDE_CHAIN REMARK 500 20 TYR A 14 0.09 SIDE_CHAIN REMARK 500 20 TYR A 38 0.11 SIDE_CHAIN REMARK 500 20 TYR A 47 0.10 SIDE_CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1LQI RELATED DB: PDB REMARK 900 SOLUTION STRUCTURES OF A HIGHLY INSECTICIDAL RECOMBINANT REMARK 900 SCORPION ALPHA-TOXIN AND A MUTANT WITH INCREASED ACTIVITY REMARK 900 RELATED ID: 1LQQ RELATED DB: PDB REMARK 900 1H-NMR-DERIVED SECONDARY STRUCTURE AND THE OVERALL FOLD OF REMARK 900 THE POTENT ANTI-MAMMAL AND ANTI-INSECT TOXIN III FROM THE REMARK 900 SCORPION LEIURUS QUINQUESTRIATUS QUINQUESTRIATUS REMARK 900 RELATED ID: 1AHO RELATED DB: PDB REMARK 900 THE AB INITIO STRUCTURE DETERMINATION AND REFINEMENT OF A REMARK 900 SCORPION PROTEIN TOXIN REMARK 900 RELATED ID: 1OMY RELATED DB: PDB REMARK 900 CRYSTALLIZATION AND PRELIMINARY CRYSTALLOGRAPHIC STUDY OF REMARK 900 RBMKALPHAIT1, A RECOMBINANT ALPHA-INSECT TOXIN FROM THE REMARK 900 SCORPION BUTHUS MARTENSII KARSCH DBREF 2E0H A 1 64 UNP Q9GQW3 SC12_MESMA 20 83 SEQRES 1 A 64 VAL ARG ASP ALA TYR ILE ALA GLN ASN TYR ASN CYS VAL SEQRES 2 A 64 TYR HIS CYS ALA ARG ASP ALA TYR CYS ASN GLU LEU CYS SEQRES 3 A 64 THR LYS ASN GLY ALA LYS SER GLY SER CYS PRO TYR LEU SEQRES 4 A 64 GLY GLU HIS LYS PHE ALA CYS TYR CYS LYS ASP LEU PRO SEQRES 5 A 64 ASP ASN VAL PRO ILE ARG VAL PRO GLY LYS CYS HIS HELIX 1 1 ARG A 18 ASN A 29 1 12 SHEET 1 A 3 ARG A 2 TYR A 5 0 SHEET 2 A 3 TYR A 47 LEU A 51 -1 O CYS A 48 N ALA A 4 SHEET 3 A 3 SER A 33 SER A 35 -1 N SER A 35 O TYR A 47 SSBOND 1 CYS A 12 CYS A 63 1555 1555 2.09 SSBOND 2 CYS A 16 CYS A 36 1555 1555 2.07 SSBOND 3 CYS A 22 CYS A 46 1555 1555 2.07 SSBOND 4 CYS A 26 CYS A 48 1555 1555 2.08 CISPEP 1 ASN A 9 TYR A 10 1 2.48 CISPEP 2 ASN A 9 TYR A 10 2 -12.89 CISPEP 3 ASN A 9 TYR A 10 3 -8.94 CISPEP 4 ASN A 9 TYR A 10 4 -14.22 CISPEP 5 ASN A 9 TYR A 10 5 1.87 CISPEP 6 ASN A 9 TYR A 10 6 -4.78 CISPEP 7 ASN A 9 TYR A 10 7 3.97 CISPEP 8 ASN A 9 TYR A 10 8 -7.62 CISPEP 9 ASN A 9 TYR A 10 9 -10.13 CISPEP 10 ASN A 9 TYR A 10 10 -7.16 CISPEP 11 ASN A 9 TYR A 10 11 -2.45 CISPEP 12 ASN A 9 TYR A 10 12 -10.89 CISPEP 13 ASN A 9 TYR A 10 13 -7.92 CISPEP 14 ASN A 9 TYR A 10 14 -19.44 CISPEP 15 ASN A 9 TYR A 10 15 -9.26 CISPEP 16 ASN A 9 TYR A 10 16 8.90 CISPEP 17 ASN A 9 TYR A 10 17 -9.83 CISPEP 18 ASN A 9 TYR A 10 18 -3.35 CISPEP 19 ASN A 9 TYR A 10 19 -5.25 CISPEP 20 ASN A 9 TYR A 10 20 -4.86 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 297 0 0 1 3 0 0 6 0 0 0 5 END