HEADER TOXIN 12-MAR-07 2P4L TITLE STRUCTURE AND SODIUM CHANNEL ACTIVITY OF AN EXCITATORY I1-SUPERFAMILY TITLE 2 CONOTOXIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: I-SUPERFAMILY CONOTOXIN R11A; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: R11.6, CONOTOXIN IOTA-RXIA; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CONUS RADIATUS; SOURCE 3 ORGANISM_TAXID: 61198; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS IAA, IODOACETIC ACID; INA, SODIUM CURRENT; NEM, N-ETHYLMALEIMIDE; KEYWDS 2 NMR, NUCLEAR MAGNETIC RESONANCE; NOE, NUCLEAR OVERHAUSER EFFECT; KEYWDS 3 TFA, TRIFLUOROACETIC ACID; VGSC, VOLTAGE-GATED SODIUM CHANNEL., KEYWDS 4 TOXIN EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR O.BUCZEK,D.X.WEI,J.J.BABON,X.D.YANG,B.FIEDLER,D.YOSHIKAMI, AUTHOR 2 B.M.OLIVERA,G.BULAJ,R.S.NORTON REVDAT 3 16-MAR-22 2P4L 1 REMARK LINK REVDAT 2 24-FEB-09 2P4L 1 VERSN REVDAT 1 25-SEP-07 2P4L 0 JRNL AUTH O.BUCZEK,D.WEI,J.J.BABON,X.YANG,B.FIEDLER,P.CHEN, JRNL AUTH 2 D.YOSHIKAMI,B.M.OLIVERA,G.BULAJ,R.S.NORTON JRNL TITL STRUCTURE AND SODIUM CHANNEL ACTIVITY OF AN EXCITATORY JRNL TITL 2 I(1)-SUPERFAMILY CONOTOXIN JRNL REF BIOCHEMISTRY V. 46 9929 2007 JRNL REFN ISSN 0006-2960 JRNL PMID 17696362 JRNL DOI 10.1021/BI700797F REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR XPLOR-NIH 2.9.3 REMARK 3 AUTHORS : SCHWIETERS REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2P4L COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 29-MAR-07. REMARK 100 THE DEPOSITION ID IS D_1000041958. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 298 REMARK 210 PH : 5.9 REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 1.1MM [L-PHE44] IOTA-RXIA-, 95% REMARK 210 H2O, 5% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D NOESY; 2D TOCSY; DQF-COSY REMARK 210 SPECTROMETER FIELD STRENGTH : 600 MHZ; 800 MHZ REMARK 210 SPECTROMETER MODEL : DRX; AVANCE REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : DYANA CYANA 1.0.6, XEASY XEASY REMARK 210 1.3.13, BRUKER BIOSPIN XWINNMR REMARK 210 3.5 REMARK 210 METHOD USED : SIMULATED ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 100 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: THIS STRUCTURE WAS DETERMINED USING STANDARD 2D REMARK 210 HOMONUCLEAR TECHNIQUES. 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 H LYS A 6 O ASP A 17 1.55 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 CYS A 5 171.31 179.91 REMARK 500 1 ASP A 8 -176.87 -67.70 REMARK 500 1 GLU A 9 -53.40 68.94 REMARK 500 1 HYP A 11 -178.12 -66.59 REMARK 500 1 TYR A 14 -128.52 -92.69 REMARK 500 1 HIS A 15 -12.56 -141.95 REMARK 500 1 ASN A 20 -79.47 -139.06 REMARK 500 1 TRP A 33 -72.94 -138.32 REMARK 500 2 ASP A 8 170.05 -58.66 REMARK 500 2 GLU A 9 -55.18 75.32 REMARK 500 2 TYR A 14 -140.26 -94.58 REMARK 500 2 ASN A 20 -71.36 -134.75 REMARK 500 2 ASN A 32 59.07 -113.99 REMARK 500 2 TRP A 33 -104.36 -79.66 REMARK 500 3 HYP A 2 -166.51 -70.75 REMARK 500 3 SER A 3 100.84 -165.03 REMARK 500 3 PHE A 4 105.59 -42.14 REMARK 500 3 ASP A 8 -176.76 -63.18 REMARK 500 3 GLU A 9 -52.41 72.34 REMARK 500 3 TYR A 14 -113.24 -97.36 REMARK 500 3 HIS A 15 20.64 -162.44 REMARK 500 3 ASN A 20 -82.65 -151.14 REMARK 500 3 CYS A 22 83.28 -150.42 REMARK 500 3 HYP A 29 -167.02 -71.61 REMARK 500 3 THR A 31 -16.37 -160.20 REMARK 500 3 ASN A 32 -98.93 -160.04 REMARK 500 3 TRP A 33 -103.13 -79.50 REMARK 500 3 LEU A 35 105.78 -39.95 REMARK 500 3 THR A 40 71.00 -171.26 REMARK 500 3 SER A 41 171.70 -47.52 REMARK 500 3 SER A 42 -149.60 -91.09 REMARK 500 4 GLU A 9 -56.78 68.83 REMARK 500 4 TYR A 14 -134.46 -97.36 REMARK 500 4 CYS A 19 32.78 -79.77 REMARK 500 4 ASN A 20 -81.43 -162.88 REMARK 500 4 TRP A 33 -65.45 -133.15 REMARK 500 4 THR A 40 53.24 -117.71 REMARK 500 4 PHE A 43 28.22 -165.39 REMARK 500 4 LYS A 45 -143.61 -131.85 REMARK 500 5 PHE A 4 -153.38 -151.04 REMARK 500 5 ASP A 8 -176.11 -68.11 REMARK 500 5 GLU A 9 -53.37 69.94 REMARK 500 5 TYR A 14 -157.41 -74.23 REMARK 500 5 CYS A 19 30.77 -74.14 REMARK 500 5 ASN A 20 -88.82 -163.04 REMARK 500 5 TRP A 33 -66.44 -130.35 REMARK 500 6 PHE A 4 -168.67 -129.59 REMARK 500 6 GLU A 9 -53.99 71.27 REMARK 500 6 TYR A 14 -140.60 -102.15 REMARK 500 6 ASN A 20 -81.36 -162.15 REMARK 500 REMARK 500 THIS ENTRY HAS 182 RAMACHANDRAN OUTLIERS. REMARK 500 REMARK 500 REMARK: NULL DBREF 2P4L A 1 46 UNP Q7Z094 CXI6_CONRA 1 46 SEQRES 1 A 46 GLY HYP SER PHE CYS LYS ALA ASP GLU LYS HYP CYS GLU SEQRES 2 A 46 TYR HIS ALA ASP CYS CYS ASN CYS CYS LEU SER GLY ILE SEQRES 3 A 46 CYS ALA HYP SER THR ASN TRP ILE LEU PRO GLY CYS SER SEQRES 4 A 46 THR SER SER PHE PHE LYS ILE MODRES 2P4L HYP A 2 PRO 4-HYDROXYPROLINE MODRES 2P4L HYP A 11 PRO 4-HYDROXYPROLINE MODRES 2P4L HYP A 29 PRO 4-HYDROXYPROLINE HET HYP A 2 15 HET HYP A 11 15 HET HYP A 29 15 HETNAM HYP 4-HYDROXYPROLINE HETSYN HYP HYDROXYPROLINE FORMUL 1 HYP 3(C5 H9 N O3) SHEET 1 A 2 CYS A 21 CYS A 22 0 SHEET 2 A 2 CYS A 27 ALA A 28 -1 O ALA A 28 N CYS A 21 SSBOND 1 CYS A 5 CYS A 19 1555 1555 2.02 SSBOND 2 CYS A 12 CYS A 22 1555 1555 2.02 SSBOND 3 CYS A 18 CYS A 27 1555 1555 2.01 SSBOND 4 CYS A 21 CYS A 38 1555 1555 2.02 LINK C GLY A 1 N HYP A 2 1555 1555 1.31 LINK C HYP A 2 N SER A 3 1555 1555 1.30 LINK C LYS A 10 N HYP A 11 1555 1555 1.31 LINK C HYP A 11 N CYS A 12 1555 1555 1.31 LINK C ALA A 28 N HYP A 29 1555 1555 1.32 LINK C HYP A 29 N SER A 30 1555 1555 1.31 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