HEADER NEUROTOXIN 21-JUN-98 1CN2 TITLE SOLUTION STRUCTURE OF TOXIN 2 FROM CENTRUROIDES NOXIUS HOFFMANN, A TITLE 2 BETA SCORPION NEUROTOXIN ACTING ON SODIUM CHANNELS, NMR, 15 TITLE 3 STRUCTURES COMPND MOL_ID: 1; COMPND 2 MOLECULE: TOXIN 2; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CN2 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CENTRUROIDES NOXIUS; SOURCE 3 ORGANISM_COMMON: MEXICAN SCORPION; SOURCE 4 ORGANISM_TAXID: 6878; SOURCE 5 SECRETION: VENOM KEYWDS NEUROTOXIN, SCORPION TOXIN, CENTRUROIDES NOXIUS, SODIUM CHANNELS EXPDTA SOLUTION NMR NUMMDL 15 AUTHOR A.PINTAR,L.D.POSSANI,M.DELEPIERRE REVDAT 3 16-FEB-22 1CN2 1 REMARK LINK REVDAT 2 24-FEB-09 1CN2 1 VERSN REVDAT 1 13-JAN-99 1CN2 0 JRNL AUTH A.PINTAR,L.D.POSSANI,M.DELEPIERRE JRNL TITL SOLUTION STRUCTURE OF TOXIN 2 FROM CENTRUROIDES NOXIUS JRNL TITL 2 HOFFMANN, A BETA-SCORPION NEUROTOXIN ACTING ON SODIUM JRNL TITL 3 CHANNELS. JRNL REF J.MOL.BIOL. V. 287 359 1999 JRNL REFN ISSN 0022-2836 JRNL PMID 10080898 JRNL DOI 10.1006/JMBI.1999.2611 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH A.VAZQUEZ,J.V.TAPIA,W.K.ELIASON,B.M.MARTIN,F.LEBRETON, REMARK 1 AUTH 2 M.DELEPIERRE,L.D.POSSANI,B.BECERRIL REMARK 1 TITL CLONING AND CHARACTERIZATION OF THE CDNAS ENCODING NA+ REMARK 1 TITL 2 CHANNEL-SPECIFIC TOXINS 1 AND 2 OF THE SCORPION CENTRUROIDES REMARK 1 TITL 3 NOXIUS HOFFMANN REMARK 1 REF TOXICON V. 33 1161 1995 REMARK 1 REFN ISSN 0041-0101 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : DYANA REMARK 3 AUTHORS : VON FREYBERG,SCHAUMANN,BRAU REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: SEE JRNL CITATION REMARK 4 REMARK 4 1CN2 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_1000172404. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 303 REMARK 210 PH : 4.0 REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : 1 ATM REMARK 210 SAMPLE CONTENTS : H2O/D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : NOESY REMARK 210 SPECTROMETER FIELD STRENGTH : 500 MHZ REMARK 210 SPECTROMETER MODEL : UNITY REMARK 210 SPECTROMETER MANUFACTURER : VARIAN REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : DYANA REMARK 210 METHOD USED : SIMULATED ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 50 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 15 REMARK 210 CONFORMERS, SELECTION CRITERIA : LEAST RESTRAINT VIOLATIONS REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1 REMARK 210 REMARK 210 REMARK: THE STRUCTURE WAS DETERMINED USING HOMONUCLEAR 1H-1H 2D REMARK 210 NMR ON THE NATURAL TOXIN EXTRACTED FROM THE SCORPION VENOM 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: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE 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 ASN A 9 -77.90 -88.83 REMARK 500 1 LEU A 17 -149.32 -80.83 REMARK 500 1 ASN A 22 40.34 -88.74 REMARK 500 1 GLN A 31 46.07 -105.70 REMARK 500 1 GLN A 32 -40.18 -159.86 REMARK 500 1 ALA A 43 89.11 -52.85 REMARK 500 1 THR A 49 64.09 -154.99 REMARK 500 1 HIS A 50 31.87 -176.23 REMARK 500 1 GLN A 54 31.47 -92.15 REMARK 500 1 PRO A 59 -167.43 -75.04 REMARK 500 1 LYS A 63 67.43 -169.52 REMARK 500 2 ASN A 9 -77.88 -76.94 REMARK 500 2 LYS A 13 89.23 73.23 REMARK 500 2 LYS A 18 144.48 69.61 REMARK 500 2 ASP A 23 -66.41 -107.03 REMARK 500 2 GLN A 31 56.19 -107.40 REMARK 500 2 GLN A 32 -24.45 -177.67 REMARK 500 2 TYR A 33 47.04 -107.18 REMARK 500 2 ALA A 43 86.21 -54.73 REMARK 500 2 THR A 49 34.17 -148.70 REMARK 500 2 HIS A 50 34.30 -155.10 REMARK 500 2 TYR A 52 -167.78 -108.99 REMARK 500 2 GLN A 54 34.82 -93.73 REMARK 500 2 LYS A 63 64.50 -168.72 REMARK 500 3 ASN A 9 -78.50 -71.94 REMARK 500 3 CYS A 12 -169.68 -102.92 REMARK 500 3 LYS A 13 176.70 69.76 REMARK 500 3 TYR A 14 89.25 48.79 REMARK 500 3 GLU A 15 75.00 -158.27 REMARK 500 3 LYS A 18 77.41 61.51 REMARK 500 3 ASP A 21 95.90 -68.54 REMARK 500 3 ASN A 22 57.27 -96.09 REMARK 500 3 ASP A 23 -68.78 -106.01 REMARK 500 3 GLN A 31 48.26 -107.43 REMARK 500 3 GLN A 32 -34.06 -167.56 REMARK 500 3 TYR A 42 -158.06 -81.50 REMARK 500 3 ALA A 43 82.94 -52.44 REMARK 500 3 THR A 49 47.99 -148.69 REMARK 500 3 HIS A 50 60.83 -167.32 REMARK 500 3 PRO A 59 -164.71 -75.06 REMARK 500 3 LYS A 63 113.39 -160.11 REMARK 500 4 ASN A 9 -69.98 -92.08 REMARK 500 4 CYS A 12 -84.31 -101.74 REMARK 500 4 LYS A 13 -90.05 58.49 REMARK 500 4 TYR A 14 -70.56 -21.77 REMARK 500 4 GLU A 15 66.68 29.02 REMARK 500 4 ASN A 22 38.86 -94.65 REMARK 500 4 GLN A 31 46.92 -92.16 REMARK 500 4 GLN A 32 -39.08 -167.99 REMARK 500 4 ALA A 43 87.60 -52.63 REMARK 500 REMARK 500 THIS ENTRY HAS 194 RAMACHANDRAN OUTLIERS. 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 LEU A 5 VAL A 6 2 -147.76 REMARK 500 CYS A 12 LYS A 13 2 142.22 REMARK 500 GLN A 31 GLN A 32 2 144.99 REMARK 500 GLU A 15 CYS A 16 3 -149.21 REMARK 500 TYR A 33 GLY A 34 3 147.52 REMARK 500 PHE A 44 ALA A 45 3 124.04 REMARK 500 LYS A 13 TYR A 14 4 -148.63 REMARK 500 THR A 49 HIS A 50 4 149.29 REMARK 500 LYS A 13 TYR A 14 5 -130.98 REMARK 500 ALA A 45 CYS A 46 5 -149.57 REMARK 500 PRO A 61 ASN A 62 5 -141.57 REMARK 500 GLN A 31 GLN A 32 6 149.36 REMARK 500 CYS A 16 LEU A 17 8 -143.81 REMARK 500 TYR A 33 GLY A 34 8 145.54 REMARK 500 LEU A 60 PRO A 61 9 -147.56 REMARK 500 GLN A 31 GLN A 32 11 146.49 REMARK 500 GLN A 54 ALA A 55 15 146.44 REMARK 500 ALA A 55 ILE A 56 15 143.06 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 64 0.08 SIDE CHAIN REMARK 500 2 ARG A 27 0.08 SIDE CHAIN REMARK 500 3 ARG A 27 0.10 SIDE CHAIN REMARK 500 4 ARG A 27 0.09 SIDE CHAIN REMARK 500 6 ARG A 64 0.08 SIDE CHAIN REMARK 500 8 ARG A 27 0.11 SIDE CHAIN REMARK 500 10 ARG A 27 0.16 SIDE CHAIN REMARK 500 14 ARG A 64 0.10 SIDE CHAIN 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 NH2 A 67 DBREF 1CN2 A 1 66 UNP P01495 SCX2_CENNO 17 82 SEQRES 1 A 67 LYS GLU GLY TYR LEU VAL ASP LYS ASN THR GLY CYS LYS SEQRES 2 A 67 TYR GLU CYS LEU LYS LEU GLY ASP ASN ASP TYR CYS LEU SEQRES 3 A 67 ARG GLU CYS LYS GLN GLN TYR GLY LYS GLY ALA GLY GLY SEQRES 4 A 67 TYR CYS TYR ALA PHE ALA CYS TRP CYS THR HIS LEU TYR SEQRES 5 A 67 GLU GLN ALA ILE VAL TRP PRO LEU PRO ASN LYS ARG CYS SEQRES 6 A 67 SER NH2 HET NH2 A 67 3 HETNAM NH2 AMINO GROUP FORMUL 1 NH2 H2 N HELIX 1 1 TYR A 24 LYS A 30 1 7 SHEET 1 A 1 GLY A 3 TYR A 4 0 SHEET 1 B 2 GLY A 39 TYR A 42 0 SHEET 2 B 2 ALA A 45 CYS A 48 -1 N TRP A 47 O TYR A 40 SSBOND 1 CYS A 12 CYS A 65 1555 1555 2.01 SSBOND 2 CYS A 16 CYS A 41 1555 1555 2.09 SSBOND 3 CYS A 25 CYS A 46 1555 1555 1.97 SSBOND 4 CYS A 29 CYS A 48 1555 1555 2.02 LINK C SER A 66 N NH2 A 67 1555 1555 1.33 CISPEP 1 TRP A 58 PRO A 59 1 -16.20 CISPEP 2 TRP A 58 PRO A 59 2 -23.32 CISPEP 3 TRP A 58 PRO A 59 3 -23.33 CISPEP 4 TRP A 58 PRO A 59 4 -29.44 CISPEP 5 TRP A 58 PRO A 59 5 -14.77 CISPEP 6 TRP A 58 PRO A 59 6 -14.64 CISPEP 7 TRP A 58 PRO A 59 7 -16.08 CISPEP 8 TRP A 58 PRO A 59 8 -13.06 CISPEP 9 TRP A 58 PRO A 59 9 -15.43 CISPEP 10 TRP A 58 PRO A 59 10 -14.54 CISPEP 11 TRP A 58 PRO A 59 11 -16.78 CISPEP 12 TRP A 58 PRO A 59 12 -18.75 CISPEP 13 TRP A 58 PRO A 59 13 -12.95 CISPEP 14 TRP A 58 PRO A 59 14 -16.97 CISPEP 15 TRP A 58 PRO A 59 15 -18.50 SITE 1 AC1 2 CYS A 65 SER A 66 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