HEADER TOXIN 24-JUL-03 1Q2J TITLE STRUCTURAL BASIS FOR TETRODOTOXIN-RESISTANT SODIUM CHANNEL BINDING BY TITLE 2 MU-CONOTOXIN SMIIIA COMPND MOL_ID: 1; COMPND 2 MOLECULE: MU-CONOTOXIN SMIIIA; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 ORGANISM_SCIENTIFIC: CONUS STERCUSMUSCARUM; SOURCE 4 ORGANISM_COMMON: FLY-SPECKED CONE; SOURCE 5 ORGANISM_TAXID: 89452; SOURCE 6 OTHER_DETAILS: THE PEPTIDE WAS CHEMICALLY SYNTHESIZED. THE SEQUENCE SOURCE 7 OF THE PEPTIDE IS NATURALLY FOUND IN THE CONUS STERCUSMUSCARUM (FLY SOURCE 8 SPECK CONE SNAIL). KEYWDS MU-CONOTOXIN, TOXIN EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR D.W.KEIZER,P.J.WEST,E.F.LEE,B.M.OLIVERA,G.BULAJ,D.YOSHIKAMI, AUTHOR 2 R.S.NORTON REVDAT 4 24-JUN-20 1Q2J 1 COMPND SOURCE DBREF REVDAT 3 25-DEC-19 1Q2J 1 REMARK SEQRES LINK REVDAT 2 24-FEB-09 1Q2J 1 VERSN REVDAT 1 24-FEB-04 1Q2J 0 JRNL AUTH D.W.KEIZER,P.J.WEST,E.F.LEE,D.YOSHIKAMI,B.M.OLIVERA,G.BULAJ, JRNL AUTH 2 R.S.NORTON JRNL TITL STRUCTURAL BASIS FOR TETRODOTOXIN-RESISTANT SODIUM CHANNEL JRNL TITL 2 BINDING BY MU-CONOTOXIN SMIIIA. JRNL REF J.BIOL.CHEM. V. 278 46805 2003 JRNL REFN ISSN 0021-9258 JRNL PMID 12970353 JRNL DOI 10.1074/JBC.M309222200 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR XPLOR-NIH REMARK 3 AUTHORS : SCHWEITERS REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1Q2J COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 30-JUL-03. REMARK 100 THE DEPOSITION ID IS D_1000019834. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 278 REMARK 210 PH : 4.7 REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 0.9 MM SMIIIA, 95% H2O, 5% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D TOCSY; 2D NOESY; DQF-COSY REMARK 210 SPECTROMETER FIELD STRENGTH : 500 MHZ; 600 MHZ REMARK 210 SPECTROMETER MODEL : AMX; DRX REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : XWINNMR 3.5, XEASY 1.3.13, CYANA REMARK 210 1.0.3, X-PLOR XPLOR-NIH 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 : 13 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: 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 ARG A 2 -88.61 -142.54 REMARK 500 1 CYS A 4 27.45 -144.98 REMARK 500 1 ARG A 7 -45.82 -134.74 REMARK 500 1 ARG A 8 -75.27 -96.16 REMARK 500 1 SER A 12 -143.97 -151.27 REMARK 500 1 ARG A 16 -55.24 -131.38 REMARK 500 1 HIS A 18 -54.68 -137.58 REMARK 500 1 CYS A 21 51.76 -145.20 REMARK 500 2 ARG A 2 -35.80 -137.43 REMARK 500 2 CYS A 4 27.23 -149.97 REMARK 500 2 ARG A 8 -60.92 -132.41 REMARK 500 2 SER A 12 -143.73 -146.73 REMARK 500 2 ARG A 16 -52.75 -142.49 REMARK 500 2 HIS A 18 -52.00 -150.39 REMARK 500 2 CYS A 21 43.09 -145.10 REMARK 500 3 ARG A 2 -68.53 -94.83 REMARK 500 3 CYS A 3 31.32 -91.69 REMARK 500 3 CYS A 4 17.98 -143.43 REMARK 500 3 ARG A 7 -52.99 -132.58 REMARK 500 3 ARG A 8 -70.62 -91.59 REMARK 500 3 SER A 12 -144.72 -136.57 REMARK 500 3 ARG A 16 -53.90 -143.80 REMARK 500 3 HIS A 18 -62.28 -148.07 REMARK 500 3 CYS A 21 49.27 -142.13 REMARK 500 4 ARG A 2 -106.32 -144.84 REMARK 500 4 ARG A 8 -64.91 -136.98 REMARK 500 4 SER A 12 -145.93 -150.81 REMARK 500 4 ARG A 16 -51.13 -139.36 REMARK 500 4 HIS A 18 -57.96 -148.24 REMARK 500 4 CYS A 21 56.70 -142.42 REMARK 500 5 ARG A 2 -84.27 -136.43 REMARK 500 5 ARG A 7 31.82 -150.17 REMARK 500 5 ARG A 8 -60.15 -124.10 REMARK 500 5 CYS A 10 79.39 -100.70 REMARK 500 5 SER A 12 -144.43 -126.10 REMARK 500 5 ARG A 16 -57.24 -131.01 REMARK 500 5 HIS A 18 -49.93 -140.69 REMARK 500 5 CYS A 21 58.38 -147.65 REMARK 500 6 CYS A 3 34.84 -90.81 REMARK 500 6 CYS A 4 25.05 -141.14 REMARK 500 6 ARG A 7 30.94 -83.88 REMARK 500 6 ARG A 8 -82.46 -101.51 REMARK 500 6 SER A 12 -143.79 -131.13 REMARK 500 6 ARG A 16 -55.95 -136.50 REMARK 500 6 HIS A 18 -36.55 -139.32 REMARK 500 6 ARG A 20 55.22 -69.69 REMARK 500 6 CYS A 21 30.48 -148.03 REMARK 500 7 ARG A 2 -44.11 -135.67 REMARK 500 7 CYS A 4 22.35 -150.57 REMARK 500 7 SER A 12 -144.23 -150.38 REMARK 500 REMARK 500 THIS ENTRY HAS 145 RAMACHANDRAN OUTLIERS. 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 2 0.32 SIDE CHAIN REMARK 500 1 ARG A 7 0.30 SIDE CHAIN REMARK 500 1 ARG A 8 0.25 SIDE CHAIN REMARK 500 1 ARG A 13 0.28 SIDE CHAIN REMARK 500 1 ARG A 16 0.29 SIDE CHAIN REMARK 500 1 ARG A 20 0.32 SIDE CHAIN REMARK 500 2 ARG A 2 0.29 SIDE CHAIN REMARK 500 2 ARG A 7 0.32 SIDE CHAIN REMARK 500 2 ARG A 8 0.32 SIDE CHAIN REMARK 500 2 ARG A 13 0.32 SIDE CHAIN REMARK 500 2 ARG A 16 0.26 SIDE CHAIN REMARK 500 2 ARG A 20 0.32 SIDE CHAIN REMARK 500 3 ARG A 2 0.29 SIDE CHAIN REMARK 500 3 ARG A 7 0.32 SIDE CHAIN REMARK 500 3 ARG A 8 0.28 SIDE CHAIN REMARK 500 3 ARG A 13 0.25 SIDE CHAIN REMARK 500 3 ARG A 16 0.25 SIDE CHAIN REMARK 500 3 ARG A 20 0.31 SIDE CHAIN REMARK 500 4 ARG A 2 0.32 SIDE CHAIN REMARK 500 4 ARG A 7 0.31 SIDE CHAIN REMARK 500 4 ARG A 8 0.32 SIDE CHAIN REMARK 500 4 ARG A 13 0.14 SIDE CHAIN REMARK 500 4 ARG A 16 0.29 SIDE CHAIN REMARK 500 4 ARG A 20 0.30 SIDE CHAIN REMARK 500 5 ARG A 2 0.32 SIDE CHAIN REMARK 500 5 ARG A 7 0.31 SIDE CHAIN REMARK 500 5 ARG A 8 0.31 SIDE CHAIN REMARK 500 5 ARG A 13 0.29 SIDE CHAIN REMARK 500 5 ARG A 16 0.32 SIDE CHAIN REMARK 500 5 ARG A 20 0.29 SIDE CHAIN REMARK 500 6 ARG A 2 0.31 SIDE CHAIN REMARK 500 6 ARG A 7 0.32 SIDE CHAIN REMARK 500 6 ARG A 8 0.32 SIDE CHAIN REMARK 500 6 ARG A 13 0.29 SIDE CHAIN REMARK 500 6 ARG A 16 0.28 SIDE CHAIN REMARK 500 6 ARG A 20 0.31 SIDE CHAIN REMARK 500 7 ARG A 2 0.32 SIDE CHAIN REMARK 500 7 ARG A 7 0.32 SIDE CHAIN REMARK 500 7 ARG A 8 0.32 SIDE CHAIN REMARK 500 7 ARG A 13 0.30 SIDE CHAIN REMARK 500 7 ARG A 16 0.31 SIDE CHAIN REMARK 500 7 ARG A 20 0.32 SIDE CHAIN REMARK 500 8 ARG A 2 0.28 SIDE CHAIN REMARK 500 8 ARG A 7 0.32 SIDE CHAIN REMARK 500 8 ARG A 8 0.32 SIDE CHAIN REMARK 500 8 ARG A 13 0.32 SIDE CHAIN REMARK 500 8 ARG A 16 0.24 SIDE CHAIN REMARK 500 8 ARG A 20 0.31 SIDE CHAIN REMARK 500 9 ARG A 2 0.32 SIDE CHAIN REMARK 500 9 ARG A 7 0.31 SIDE CHAIN REMARK 500 REMARK 500 THIS ENTRY HAS 120 PLANE DEVIATIONS. REMARK 500 REMARK 500 REMARK: NULL DBREF 1Q2J A 1 22 UNP P60207 CM3A_CONSE 7 28 SEQRES 1 A 22 PCA ARG CYS CYS ASN GLY ARG ARG GLY CYS SER SER ARG SEQRES 2 A 22 TRP CYS ARG ASP HIS SER ARG CYS CYS MODRES 1Q2J PCA A 1 GLN MODIFIED RESIDUE HET PCA A 1 15 HETNAM PCA PYROGLUTAMIC ACID FORMUL 1 PCA C5 H7 N O3 SSBOND 1 CYS A 3 CYS A 15 1555 1555 2.02 SSBOND 2 CYS A 4 CYS A 21 1555 1555 2.02 SSBOND 3 CYS A 10 CYS A 22 1555 1555 2.02 LINK C PCA A 1 N ARG A 2 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 HETATM 1 N PCA A 1 26.854 34.419 23.663 1.00 0.00 N HETATM 2 CA PCA A 1 27.241 32.973 23.420 1.00 0.00 C HETATM 3 CB PCA A 1 28.661 33.051 22.837 1.00 0.00 C HETATM 4 CG PCA A 1 28.864 34.497 22.453 1.00 0.00 C HETATM 5 CD PCA A 1 27.607 35.189 22.930 1.00 0.00 C HETATM 6 OE PCA A 1 27.194 36.178 22.355 1.00 0.00 O HETATM 7 C PCA A 1 27.226 32.183 24.733 1.00 0.00 C HETATM 8 O PCA A 1 27.157 32.753 25.802 1.00 0.00 O HETATM 9 H2 PCA A 1 26.986 34.651 24.677 1.00 0.00 H HETATM 10 H PCA A 1 25.866 34.573 23.394 1.00 0.00 H HETATM 11 HA PCA A 1 26.574 32.519 22.705 1.00 0.00 H HETATM 12 HB2 PCA A 1 28.742 32.426 21.963 1.00 0.00 H HETATM 13 HB3 PCA A 1 29.386 32.753 23.582 1.00 0.00 H HETATM 14 HG2 PCA A 1 28.956 34.593 21.385 1.00 0.00 H HETATM 15 HG3 PCA A 1 29.736 34.901 22.952 1.00 0.00 H