10 20 30 40 50 60 70 80 1IXT - Header ----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----| Asymmetric UnitHEADER TOXIN 04-JUL-02 1IXT
TITLE STRUCTURE OF A NOVEL P-SUPERFAMILY SPASMODIC CONOTOXIN TITLE 2 REVEALS AN INHIBITORY CYSTINE KNOT MOTIF
COMPND MOL_ID: 1; COMPND 2 MOLECULE: SPASMODIC PROTEIN TX9A-LIKE PROTEIN; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: RESIDUES 1-27; COMPND 5 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 CONUS SOURCE 5 GLORIAMARIS (EUKARYOTA).
KEYWDS CONOTOXIN, P-SUPERFAMILY, ICK, INHIBITORY CYSTINE KNOT, KEYWDS 2 SPASMODIC, CONUS GLORIAMARIS, GM9A, GM9.1
EXPDTA SOLUTION NMR
NUMMDL 20
AUTHOR L.A.MILES,C.Y.DY,J.NIELSEN,K.J.BARNHAM,M.G.HINDS, AUTHOR 2 B.M.OLIVERA,G.BULAJ,R.S.NORTON
REVDAT 2 24-FEB-09 1IXT 1 VERSN REVDAT 1 28-JAN-03 1IXT 0
JRNL AUTH L.A.MILES,C.Y.DY,J.NIELSEN,K.J.BARNHAM,M.G.HINDS, JRNL AUTH 2 B.M.OLIVERA,G.BULAJ,R.S.NORTON JRNL TITL STRUCTURE OF A NOVEL P-SUPERFAMILY SPASMODIC JRNL TITL 2 CONOTOXIN REVEALS AN INHIBITORY CYSTINE KNOT MOTIF JRNL REF J.BIOL.CHEM. V. 277 43033 2002 JRNL REFN ISSN 0021-9258 JRNL PMID 12193600 JRNL DOI 10.1074/JBC.M206690200
REMARK 1
REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE.
REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : NULL REMARK 3 AUTHORS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL
REMARK 4 REMARK 4 1IXT COMPLIES WITH FORMAT V. 3.15, 01-DEC-08
REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 08-JUL-02. REMARK 100 THE RCSB ID CODE IS RCSB005384.
REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 278 REMARK 210 PH : 5.5 REMARK 210 IONIC STRENGTH : NA REMARK 210 PRESSURE : 1 ATMOSPHERE ATM REMARK 210 SAMPLE CONTENTS : GM9A PEPTIDE REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D NOESY, DQF-COSY, E-COSY, REMARK 210 TOCSY 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 1.3 REMARK 210 METHOD USED : CNS, MINIMIZED IN WATER REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 200 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : BACK CALCULATED DATA AGREE REMARK 210 WITH EXPERIMENTAL NOESY REMARK 210 SPECTRUM,STRUCTURES WITH THE REMARK 210 LEAST RESTRAINT VIOLATIONS, REMARK 210 STRUCTURES WITH THE LOWEST REMARK 210 ENERGY REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1 REMARK 210 REMARK 210 REMARK: NULL
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 ASN A 4 -155.85 -164.85 REMARK 500 1 SER A 8 -87.07 -142.60 REMARK 500 1 HIS A 9 -47.17 -156.68 REMARK 500 1 ASP A 11 33.59 -88.95 REMARK 500 1 SER A 14 -91.29 -137.95 REMARK 500 2 ASN A 4 -153.99 -163.15 REMARK 500 2 SER A 8 -85.17 -137.27 REMARK 500 2 HIS A 9 -50.40 -153.79 REMARK 500 2 ASP A 11 43.30 -89.68 REMARK 500 2 SER A 14 -115.45 -125.31 REMARK 500 2 HIS A 15 32.83 -88.41 REMARK 500 2 THR A 19 -160.79 -122.66 REMARK 500 3 ASN A 3 41.19 -145.07 REMARK 500 3 ASN A 4 -153.73 -92.78 REMARK 500 3 SER A 8 -85.19 -138.04 REMARK 500 3 HIS A 9 -53.76 -155.05 REMARK 500 3 ASP A 11 45.37 -88.69 REMARK 500 3 SER A 14 -88.76 -149.87 REMARK 500 4 ASN A 3 47.02 -160.67 REMARK 500 4 ASN A 4 -154.86 -117.23 REMARK 500 4 SER A 8 -85.88 -138.57 REMARK 500 4 HIS A 9 -53.06 -155.79 REMARK 500 4 ASP A 11 35.23 -88.00 REMARK 500 4 ALA A 13 -74.01 -79.32 REMARK 500 4 SER A 14 -77.51 -139.38 REMARK 500 5 ASN A 4 -154.96 -175.18 REMARK 500 5 SER A 8 -82.50 -137.15 REMARK 500 5 HIS A 9 -50.78 -156.18 REMARK 500 5 ASP A 11 34.03 -88.99 REMARK 500 5 SER A 14 -128.45 -127.34 REMARK 500 5 HIS A 15 40.25 -87.45 REMARK 500 6 ASN A 4 -156.38 -120.75 REMARK 500 6 SER A 8 -92.31 -137.67 REMARK 500 6 HIS A 9 -46.84 -149.86 REMARK 500 6 ASP A 11 36.73 -87.41 REMARK 500 6 CYS A 12 -164.53 -113.98 REMARK 500 6 ALA A 13 -89.02 -85.56 REMARK 500 6 SER A 14 -90.12 -111.20 REMARK 500 6 THR A 19 -150.12 -109.63 REMARK 500 7 CYS A 2 87.52 67.34 REMARK 500 7 ASN A 3 50.24 -163.70 REMARK 500 7 SER A 8 -156.48 -149.02 REMARK 500 7 SER A 14 -121.36 -150.37 REMARK 500 7 HIS A 15 41.41 -86.80 REMARK 500 8 ASN A 3 50.78 -162.29 REMARK 500 8 SER A 8 -91.61 -138.01 REMARK 500 8 HIS A 9 -40.91 -155.71 REMARK 500 8 ASP A 11 33.27 -88.90 REMARK 500 8 SER A 14 -133.54 -150.15 REMARK 500 8 HIS A 15 45.82 -86.75 REMARK 500 9 CYS A 2 90.48 67.98 REMARK 500 9 ASN A 3 58.19 -142.41 REMARK 500 9 ASN A 4 -154.89 -121.67 REMARK 500 9 SER A 8 -88.45 -136.99 REMARK 500 9 HIS A 9 -46.89 -149.78 REMARK 500 9 ASP A 11 32.74 -89.32 REMARK 500 9 SER A 14 -83.58 -140.23 REMARK 500 9 THR A 19 -153.04 -112.95 REMARK 500 10 ASN A 4 -153.42 -169.90 REMARK 500 10 SER A 8 -87.67 -136.14 REMARK 500 10 HIS A 9 -49.43 -156.95 REMARK 500 10 ASP A 11 35.04 -89.42 REMARK 500 10 CYS A 12 -168.63 -113.49 REMARK 500 10 SER A 14 -120.43 -149.97 REMARK 500 10 HIS A 15 37.85 -87.67 REMARK 500 11 ASN A 4 -153.25 -167.60 REMARK 500 11 SER A 8 -85.64 -141.79 REMARK 500 11 HIS A 9 -51.23 -155.79 REMARK 500 11 ASP A 11 39.03 -89.66 REMARK 500 11 SER A 14 -115.29 -132.59 REMARK 500 11 HIS A 15 40.81 -87.37 REMARK 500 12 ASN A 4 -156.68 -145.76 REMARK 500 12 SER A 8 -82.04 -139.48 REMARK 500 12 HIS A 9 -52.61 -155.77 REMARK 500 12 SER A 14 -132.52 -131.68 REMARK 500 12 HIS A 15 43.66 -86.93 REMARK 500 13 ASN A 3 53.12 -158.70 REMARK 500 13 SER A 8 -90.30 -136.86 REMARK 500 13 HIS A 9 -44.32 -155.22 REMARK 500 13 ASP A 11 42.81 -87.52 REMARK 500 13 SER A 14 -135.63 -113.99 REMARK 500 13 HIS A 15 42.80 -87.09 REMARK 500 14 CYS A 2 83.59 61.59 REMARK 500 14 ASN A 3 49.52 -165.50 REMARK 500 14 SER A 8 -87.70 -139.77 REMARK 500 14 HIS A 9 -46.54 -156.44 REMARK 500 14 ASP A 11 37.18 -89.22 REMARK 500 14 SER A 14 -116.70 -134.80 REMARK 500 14 HIS A 15 37.63 -87.85 REMARK 500 15 ASN A 4 -157.67 -100.51 REMARK 500 15 SER A 8 -86.11 -129.45 REMARK 500 15 HIS A 9 -47.16 -155.21 REMARK 500 15 ASP A 11 41.43 -89.37 REMARK 500 15 ALA A 13 -81.57 -85.10 REMARK 500 15 SER A 14 -130.00 -90.07 REMARK 500 15 HIS A 15 40.47 -88.84 REMARK 500 16 ASN A 3 44.16 -143.13 REMARK 500 16 ASN A 4 -156.86 -94.30 REMARK 500 16 SER A 8 -82.53 -132.93 REMARK 500 16 HIS A 9 -53.62 -156.35 REMARK 500 16 ASP A 11 47.68 -88.00 REMARK 500 16 SER A 14 -112.63 -127.87 REMARK 500 16 HIS A 15 35.16 -88.45 REMARK 500 17 ASN A 3 62.69 -164.26 REMARK 500 17 SER A 8 -87.33 -142.16 REMARK 500 17 HIS A 9 -48.55 -156.52 REMARK 500 17 SER A 14 -106.46 -129.04 REMARK 500 17 HIS A 15 37.52 -88.69 REMARK 500 18 ASN A 4 -155.45 -169.26 REMARK 500 18 SER A 8 -86.06 -144.51 REMARK 500 18 HIS A 9 -46.40 -156.61 REMARK 500 18 ASP A 11 38.88 -89.56 REMARK 500 18 SER A 14 -127.19 -121.82 REMARK 500 18 HIS A 15 47.99 -86.65 REMARK 500 19 ASN A 3 57.29 -160.83 REMARK 500 19 SER A 8 -94.76 -134.82 REMARK 500 19 HIS A 9 -35.09 -155.12 REMARK 500 19 ASP A 11 30.64 -88.93 REMARK 500 19 SER A 14 -131.50 -149.50 REMARK 500 19 HIS A 15 40.86 -87.14 REMARK 500 20 ASN A 3 54.24 -156.48 REMARK 500 20 ASN A 4 -157.13 -115.12 REMARK 500 20 SER A 8 -86.54 -137.76 REMARK 500 20 HIS A 9 -52.97 -153.73 REMARK 500 20 ASP A 11 36.81 -87.70 REMARK 500 20 ALA A 13 -71.29 -72.98 REMARK 500 20 SER A 14 -76.44 -144.47 REMARK 500 REMARK 500 REMARK: NULL
REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 6086 RELATED DB: BMRB REMARK 900 6086 CONTAINS PROTON CHEMICAL SHIFTS
DBREF 1IXT A 1 27 UNP Q9GU57 CX9A_CONGL 61 87
SEQRES 1 A 27 SER CYS ASN ASN SER CYS GLN SER HIS SER ASP CYS ALA SEQRES 2 A 27 SER HIS CYS ILE CYS THR PHE ARG GLY CYS GLY ALA VAL SEQRES 3 A 27 ASN
SHEET 1 A 2 CYS A 16 THR A 19 0 SHEET 2 A 2 GLY A 22 ALA A 25 -1 O GLY A 24 N ILE A 17
SSBOND 1 CYS A 2 CYS A 16 1555 1555 2.03 SSBOND 2 CYS A 6 CYS A 18 1555 1555 2.03 SSBOND 3 CYS A 12 CYS A 23 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