10 20 30 40 50 60 70 80 1Q2J - Header ----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----| Asymmetric UnitHEADER TOXIN 24-JUL-03 1Q2J
TITLE STRUCTURAL BASIS FOR TETRODOTOXIN-RESISTANT SODIUM CHANNEL TITLE 2 BINDING BY 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 OTHER_DETAILS: THE PEPTIDE WAS CHEMICALLY SYNTHESIZED. THE SOURCE 4 SEQUENCE OF THE PEPTIDE IS NATURALLY FOUND IN THE CONUS SOURCE 5 STERCUSMUSCARUM (FLY SPECK CONE SNAIL).
KEYWDS MU-CONOTOXIN
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 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, JRNL AUTH 2 B.M.OLIVERA,G.BULAJ,R.S.NORTON JRNL TITL STRUCTURAL BASIS FOR TETRODOTOXIN-RESISTANT SODIUM JRNL TITL 2 CHANNEL 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 1
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 31-JUL-03. REMARK 100 THE RCSB ID CODE IS RCSB019834.
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, REMARK 210 CYANA 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 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 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 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 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 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 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 CYS A 4 22.35 -150.57 REMARK 500 7 SER A 12 -144.23 -150.38 REMARK 500 7 ARG A 16 -59.56 -134.31 REMARK 500 7 HIS A 18 -52.30 -141.01 REMARK 500 7 ARG A 20 72.51 -68.23 REMARK 500 7 CYS A 21 -41.77 -142.03 REMARK 500 8 CYS A 3 43.44 -83.42 REMARK 500 8 CYS A 4 19.72 -149.19 REMARK 500 8 SER A 12 -142.92 -143.21 REMARK 500 8 ARG A 16 -56.06 -136.88 REMARK 500 8 HIS A 18 -51.94 -141.04 REMARK 500 8 CYS A 21 41.44 -142.25 REMARK 500 9 CYS A 3 36.03 -92.61 REMARK 500 9 CYS A 4 23.86 -146.22 REMARK 500 9 ARG A 8 -56.20 -125.84 REMARK 500 9 SER A 12 -144.10 -144.47 REMARK 500 9 ARG A 16 -47.77 -151.17 REMARK 500 9 HIS A 18 -53.13 -147.22 REMARK 500 9 CYS A 21 27.05 -142.07 REMARK 500 10 ASN A 5 40.21 -102.58 REMARK 500 10 CYS A 10 78.47 -105.79 REMARK 500 10 SER A 12 -144.78 -127.53 REMARK 500 10 ARG A 16 -48.49 -137.02 REMARK 500 10 HIS A 18 -51.67 -144.85 REMARK 500 10 CYS A 21 42.91 -150.25 REMARK 500 11 ASN A 5 50.22 -93.85 REMARK 500 11 SER A 12 -143.69 -140.38 REMARK 500 11 ARG A 16 -52.71 -140.07 REMARK 500 11 HIS A 18 -54.18 -146.53 REMARK 500 11 CYS A 21 36.13 -150.75 REMARK 500 12 SER A 12 -144.03 -151.09 REMARK 500 12 ARG A 16 -49.69 -136.70 REMARK 500 12 HIS A 18 -48.36 -137.96 REMARK 500 12 ARG A 20 59.48 -69.20 REMARK 500 12 CYS A 21 32.39 -147.99 REMARK 500 13 CYS A 4 25.44 -149.73 REMARK 500 13 ARG A 8 -80.20 -85.31 REMARK 500 13 CYS A 10 78.58 -104.01 REMARK 500 13 SER A 12 -144.40 -150.70 REMARK 500 13 ARG A 16 -61.42 -133.14 REMARK 500 13 HIS A 18 -49.16 -130.78 REMARK 500 13 CYS A 21 41.49 -141.37 REMARK 500 14 SER A 12 -143.77 -142.43 REMARK 500 14 ARG A 16 -56.15 -141.20 REMARK 500 14 HIS A 18 -57.59 -143.35 REMARK 500 14 CYS A 21 58.69 -145.58 REMARK 500 15 CYS A 3 49.34 -77.68 REMARK 500 15 CYS A 4 30.31 -150.39 REMARK 500 15 ARG A 8 -63.00 -126.66 REMARK 500 15 SER A 12 -144.43 -138.52 REMARK 500 15 ARG A 16 -56.67 -139.86 REMARK 500 15 HIS A 18 -55.98 -145.84 REMARK 500 15 ARG A 20 54.11 -69.90 REMARK 500 16 CYS A 4 30.35 -146.75 REMARK 500 16 ARG A 7 -60.37 -140.69 REMARK 500 16 ARG A 8 -81.28 -78.14 REMARK 500 16 SER A 12 -144.43 -151.60 REMARK 500 16 ARG A 16 -48.49 -145.21 REMARK 500 16 HIS A 18 -46.40 -149.89 REMARK 500 16 CYS A 21 49.70 -141.94 REMARK 500 17 CYS A 4 30.21 -149.68 REMARK 500 17 ARG A 7 30.12 -93.34 REMARK 500 17 ARG A 8 -85.91 -135.50 REMARK 500 17 SER A 12 -142.96 -150.99 REMARK 500 17 ARG A 16 -52.56 -139.70 REMARK 500 17 HIS A 18 -51.33 -143.02 REMARK 500 17 CYS A 21 56.59 -141.89 REMARK 500 18 CYS A 3 53.19 -93.41 REMARK 500 18 CYS A 4 25.63 -148.65 REMARK 500 18 SER A 12 -143.50 -119.71 REMARK 500 18 ARG A 16 -54.98 -139.56 REMARK 500 18 HIS A 18 -44.60 -149.24 REMARK 500 18 CYS A 21 37.13 -143.82 REMARK 500 19 ARG A 7 33.41 -78.18 REMARK 500 19 ARG A 8 -60.95 -123.61 REMARK 500 19 SER A 12 -143.98 -150.92 REMARK 500 19 ARG A 16 -58.08 -134.78 REMARK 500 19 HIS A 18 -54.15 -141.79 REMARK 500 19 ARG A 20 59.17 -69.18 REMARK 500 19 CYS A 21 49.75 -151.46 REMARK 500 20 ARG A 8 -63.72 -94.80 REMARK 500 20 CYS A 10 79.84 -104.83 REMARK 500 20 SER A 12 -144.13 -147.51 REMARK 500 20 ARG A 16 -54.68 -134.38 REMARK 500 20 HIS A 18 -51.42 -140.97 REMARK 500 20 CYS A 21 34.65 -141.91 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 9 ARG A 8 0.32 SIDE_CHAIN REMARK 500 9 ARG A 13 0.29 SIDE_CHAIN REMARK 500 9 ARG A 16 0.26 SIDE_CHAIN REMARK 500 9 ARG A 20 0.32 SIDE_CHAIN REMARK 500 10 ARG A 2 0.32 SIDE_CHAIN REMARK 500 10 ARG A 7 0.29 SIDE_CHAIN REMARK 500 10 ARG A 8 0.31 SIDE_CHAIN REMARK 500 10 ARG A 13 0.25 SIDE_CHAIN REMARK 500 10 ARG A 16 0.31 SIDE_CHAIN REMARK 500 10 ARG A 20 0.30 SIDE_CHAIN REMARK 500 11 ARG A 2 0.32 SIDE_CHAIN REMARK 500 11 ARG A 7 0.27 SIDE_CHAIN REMARK 500 11 ARG A 8 0.31 SIDE_CHAIN REMARK 500 11 ARG A 13 0.32 SIDE_CHAIN REMARK 500 11 ARG A 16 0.30 SIDE_CHAIN REMARK 500 11 ARG A 20 0.31 SIDE_CHAIN REMARK 500 12 ARG A 2 0.32 SIDE_CHAIN REMARK 500 12 ARG A 7 0.32 SIDE_CHAIN REMARK 500 12 ARG A 8 0.32 SIDE_CHAIN REMARK 500 12 ARG A 13 0.29 SIDE_CHAIN REMARK 500 12 ARG A 16 0.29 SIDE_CHAIN REMARK 500 12 ARG A 20 0.31 SIDE_CHAIN REMARK 500 13 ARG A 2 0.28 SIDE_CHAIN REMARK 500 13 ARG A 7 0.29 SIDE_CHAIN REMARK 500 13 ARG A 8 0.32 SIDE_CHAIN REMARK 500 13 ARG A 13 0.32 SIDE_CHAIN REMARK 500 13 ARG A 16 0.24 SIDE_CHAIN REMARK 500 13 ARG A 20 0.31 SIDE_CHAIN REMARK 500 14 ARG A 2 0.32 SIDE_CHAIN REMARK 500 14 ARG A 7 0.30 SIDE_CHAIN REMARK 500 14 ARG A 8 0.32 SIDE_CHAIN REMARK 500 14 ARG A 13 0.28 SIDE_CHAIN REMARK 500 14 ARG A 16 0.32 SIDE_CHAIN REMARK 500 14 ARG A 20 0.27 SIDE_CHAIN REMARK 500 15 ARG A 2 0.31 SIDE_CHAIN REMARK 500 15 ARG A 7 0.29 SIDE_CHAIN REMARK 500 15 ARG A 8 0.32 SIDE_CHAIN REMARK 500 15 ARG A 13 0.29 SIDE_CHAIN REMARK 500 15 ARG A 16 0.27 SIDE_CHAIN REMARK 500 15 ARG A 20 0.32 SIDE_CHAIN REMARK 500 16 ARG A 2 0.32 SIDE_CHAIN REMARK 500 16 ARG A 7 0.30 SIDE_CHAIN REMARK 500 16 ARG A 8 0.32 SIDE_CHAIN REMARK 500 16 ARG A 13 0.31 SIDE_CHAIN REMARK 500 16 ARG A 16 0.27 SIDE_CHAIN REMARK 500 16 ARG A 20 0.29 SIDE_CHAIN REMARK 500 17 ARG A 2 0.24 SIDE_CHAIN REMARK 500 17 ARG A 7 0.30 SIDE_CHAIN REMARK 500 17 ARG A 8 0.32 SIDE_CHAIN REMARK 500 17 ARG A 13 0.32 SIDE_CHAIN REMARK 500 17 ARG A 16 0.27 SIDE_CHAIN REMARK 500 17 ARG A 20 0.30 SIDE_CHAIN REMARK 500 18 ARG A 2 0.32 SIDE_CHAIN REMARK 500 18 ARG A 7 0.31 SIDE_CHAIN REMARK 500 18 ARG A 8 0.31 SIDE_CHAIN REMARK 500 18 ARG A 13 0.27 SIDE_CHAIN REMARK 500 18 ARG A 16 0.27 SIDE_CHAIN REMARK 500 18 ARG A 20 0.32 SIDE_CHAIN REMARK 500 19 ARG A 2 0.31 SIDE_CHAIN REMARK 500 19 ARG A 7 0.31 SIDE_CHAIN REMARK 500 19 ARG A 8 0.28 SIDE_CHAIN REMARK 500 19 ARG A 13 0.32 SIDE_CHAIN REMARK 500 19 ARG A 16 0.25 SIDE_CHAIN REMARK 500 19 ARG A 20 0.27 SIDE_CHAIN REMARK 500 20 ARG A 2 0.29 SIDE_CHAIN REMARK 500 20 ARG A 7 0.27 SIDE_CHAIN REMARK 500 20 ARG A 8 0.32 SIDE_CHAIN REMARK 500 20 ARG A 13 0.27 SIDE_CHAIN REMARK 500 20 ARG A 16 0.32 SIDE_CHAIN REMARK 500 20 ARG A 20 0.32 SIDE_CHAIN REMARK 500 REMARK 500 REMARK: NULL
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 GLU PYROGLUTAMIC ACID
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