PDB Short entry for 1PE4 HEADER TOXIN 21-MAY-03 1PE4 TITLE SOLUTION STRUCTURE OF TOXIN CN12 FROM CENTRUROIDES NOXIUS ALFA TITLE 2 SCORPION TOXIN ACTING ON SODIUM CHANNELS. NMR STRUCTURE COMPND MOL_ID: 1; COMPND 2 MOLECULE: NEUROTOXIN CN11; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CN12 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; SOURCE 6 OTHER_DETAILS: TOXIN OBTAINED DIRECTLY FROM VENOM OF CENTRUROIDES SOURCE 7 NOXIUS. ACTIVITY IS VERY LOW, HOWEVER CN12 HAS SOME REQUIREMENTS FOR SOURCE 8 BEING A VERY ACTIVE TOXIN. KEYWDS TOXIN, SCORPION TOXIN, CENTRUROIDES NOXIUS, SODIUM CHANNELS ALPHA KEYWDS 2 TOXIN EXPDTA SOLUTION NMR NUMMDL 19 MDLTYP MINIMIZED AVERAGE AUTHOR F.DEL RIO-PORTILLA,E.HERNANDEZ-MARIN,G.PIMIENTA,F.V.CORONAS, AUTHOR 2 F.Z.ZAMUDIO,R.C.RODRGUEZ DE LA VEGA,E.WANKE,L.D.POSSANI REVDAT 4 23-FEB-22 1PE4 1 REMARK REVDAT 3 24-FEB-09 1PE4 1 VERSN REVDAT 2 10-AUG-04 1PE4 1 JRNL REVDAT 1 25-MAY-04 1PE4 0 JRNL AUTH F.DEL RIO-PORTILLA,E.HERNANDEZ-MARIN,G.PIMIENTA,F.V.CORONAS, JRNL AUTH 2 F.Z.ZAMUDIO,R.C.RODRGUEZ DE LA VEGA,E.WANKE,L.D.POSSANI JRNL TITL NMR SOLUTION STRUCTURE OF CN12, A NOVEL PEPTIDE FROM THE JRNL TITL 2 MEXICAN SCORPION CENTRUROIDES NOXIUS WITH A TYPICAL JRNL TITL 3 BETA-TOXIN SEQUENCE BUT WITH ALPHA-LIKE PHYSIOLOGICAL JRNL TITL 4 ACTIVITY. JRNL REF EUR.J.BIOCHEM. V. 271 2504 2004 JRNL REFN ISSN 0014-2956 JRNL PMID 15182366 JRNL DOI 10.1111/J.1432-1033.2004.04181.X REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: SEE JOURNAL REFERENCE REMARK 4 REMARK 4 1PE4 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 22-MAY-03. REMARK 100 THE DEPOSITION ID IS D_1000019265. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 300; 300 REMARK 210 PH : 3.1; 3.1 REMARK 210 IONIC STRENGTH : NONE; NONE REMARK 210 PRESSURE : AMBIENT; AMBIENT REMARK 210 SAMPLE CONTENTS : 0.6 MM IN H2O/D2O 90:10%;; 0.6 REMARK 210 MM IN 100% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : DQF COSY, 2D TOCSY, AND 2D REMARK 210 NOSEY; DQF-COSY, 2D TOCSY, AND REMARK 210 2D NOESY REMARK 210 SPECTROMETER FIELD STRENGTH : 500 MHZ REMARK 210 SPECTROMETER MODEL : UNITYPLUS REMARK 210 SPECTROMETER MANUFACTURER : VARIAN REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : NMRPIPE 1, VNMR 6.1C REMARK 210 METHOD USED : SIMULATED ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 250 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 19 REMARK 210 CONFORMERS, SELECTION CRITERIA : NO RESTRAINT VIOLATIONS LESS REMARK 210 THAN 0.2 ANGSTROMS AND MIMINUM REMARK 210 ENERGY LESS THAN 115.0 KCAL/MOL REMARK 210 BEST REPRESENTATIVE CONFORMER IN REMARK 210 THIS ENSEMBLE: 1 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: 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 CYS A 11 149.36 -176.26 REMARK 500 1 LYS A 12 -70.65 -94.89 REMARK 500 1 PHE A 13 -154.28 -116.05 REMARK 500 1 CYS A 15 109.19 59.10 REMARK 500 1 SER A 16 111.64 -162.04 REMARK 500 1 ASN A 22 54.34 -117.25 REMARK 500 1 LYS A 31 -73.13 -103.58 REMARK 500 1 ASP A 36 32.06 -99.56 REMARK 500 1 TYR A 41 -57.92 -124.15 REMARK 500 1 ALA A 42 -148.12 -96.14 REMARK 500 1 THR A 54 -175.56 -60.75 REMARK 500 1 LEU A 56 85.93 -162.54 REMARK 500 1 TRP A 57 24.79 -146.20 REMARK 500 1 ASP A 59 -107.33 -94.45 REMARK 500 1 CYS A 65 -95.95 -56.23 REMARK 500 2 LEU A 6 85.13 42.96 REMARK 500 2 ALA A 7 -81.09 -38.91 REMARK 500 2 SER A 8 -161.28 -59.91 REMARK 500 2 LYS A 12 -82.26 -119.85 REMARK 500 2 CYS A 15 28.70 -179.86 REMARK 500 2 ASN A 22 59.09 -176.10 REMARK 500 2 PRO A 23 36.00 -86.60 REMARK 500 2 ASN A 26 -70.88 -61.86 REMARK 500 2 ASP A 36 -70.47 -173.41 REMARK 500 2 TYR A 41 -57.61 -123.84 REMARK 500 2 ALA A 42 -150.01 -91.37 REMARK 500 2 HIS A 49 67.84 65.53 REMARK 500 2 VAL A 50 -43.55 -156.87 REMARK 500 2 GLU A 52 30.27 -84.66 REMARK 500 2 TRP A 57 27.96 -158.87 REMARK 500 2 ASP A 59 -119.22 -94.31 REMARK 500 2 THR A 62 -175.29 -62.86 REMARK 500 2 CYS A 65 -155.12 -57.06 REMARK 500 2 ARG A 66 87.86 -62.57 REMARK 500 3 ASP A 2 170.64 -48.93 REMARK 500 3 ALA A 7 -95.81 -17.51 REMARK 500 3 SER A 8 -149.42 -63.39 REMARK 500 3 CYS A 11 121.71 -171.78 REMARK 500 3 LYS A 12 -80.38 -116.00 REMARK 500 3 PHE A 13 -163.15 -107.04 REMARK 500 3 CYS A 15 127.24 60.35 REMARK 500 3 SER A 16 -179.13 179.27 REMARK 500 3 ASN A 21 -138.42 -81.71 REMARK 500 3 LYS A 31 -66.13 -103.88 REMARK 500 3 TYR A 41 -95.33 -123.67 REMARK 500 3 ALA A 42 -116.75 -97.01 REMARK 500 3 TRP A 57 80.76 -160.82 REMARK 500 3 ASP A 59 -151.53 -94.45 REMARK 500 3 SER A 60 -75.84 -74.16 REMARK 500 3 CYS A 65 173.50 54.98 REMARK 500 REMARK 500 THIS ENTRY HAS 347 RAMACHANDRAN OUTLIERS. REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1CN2 RELATED DB: PDB REMARK 900 SAME SECONDARY STRUCTURE AS NA+ CHANNEL TOXINS. REMARK 999 REMARK 999 SEQUENCE REMARK 999 AT THE TIME OF PROCESSING, NO REFERENCE REMARK 999 DATABASE SEQUENCE FOR THIS PROTEIN WAS REMARK 999 AVAILABLE. DBREF 1PE4 A 1 67 UNP P63019 SCX12_CENNO 1 67 SEQRES 1 A 67 ARG ASP GLY TYR PRO LEU ALA SER ASN GLY CYS LYS PHE SEQRES 2 A 67 GLY CYS SER GLY LEU GLY GLU ASN ASN PRO THR CYS ASN SEQRES 3 A 67 HIS VAL CYS GLU LYS LYS ALA GLY SER ASP TYR GLY TYR SEQRES 4 A 67 CYS TYR ALA TRP THR CYS TYR CYS GLU HIS VAL ALA GLU SEQRES 5 A 67 GLY THR VAL LEU TRP GLY ASP SER GLY THR GLY PRO CYS SEQRES 6 A 67 ARG SER HELIX 1 1 THR A 24 LYS A 32 1 9 SHEET 1 A 3 ASP A 2 GLY A 3 0 SHEET 2 A 3 TYR A 46 GLU A 48 -1 O CYS A 47 N GLY A 3 SHEET 3 A 3 GLY A 38 TYR A 39 -1 N TYR A 39 O TYR A 46 SSBOND 1 CYS A 11 CYS A 65 1555 1555 2.03 SSBOND 2 CYS A 15 CYS A 40 1555 1555 2.03 SSBOND 3 CYS A 25 CYS A 45 1555 1555 2.03 SSBOND 4 CYS A 29 CYS A 47 1555 1555 2.03 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