10 20 30 40 50 60 70 80 1R9I - Header ----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----| Asymmetric UnitHEADER TOXIN 30-OCT-03 1R9I
TITLE NMR SOLUTION STRUCTURE OF PIIIA TOXIN, NMR, 20 STRUCTURES
COMPND MOL_ID: 1; COMPND 2 MOLECULE: MU-CONOTOXIN PIIIA; COMPND 3 CHAIN: A
SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CONUS PURPURASCENS; SOURCE 3 ORGANISM_TAXID: 41690
KEYWDS CONOTOXIN, CYSTEINE KNOT
EXPDTA SOLUTION NMR
NUMMDL 20
AUTHOR K.J.NIELSEN,M.WATSON,D.J.ADAMS,A.K.HAMMARSTROM,P.W.GAGE, AUTHOR 2 J.M.HILL,D.J.CRAIK,L.THOMAS,D.ADAMS,P.F.ALEWOOD,R.J.LEWIS
REVDAT 2 24-FEB-09 1R9I 1 VERSN REVDAT 1 18-NOV-03 1R9I 0
JRNL AUTH K.J.NIELSEN,M.WATSON,D.J.ADAMS,A.K.HAMMARSTROM, JRNL AUTH 2 P.W.GAGE,J.M.HILL,D.J.CRAIK,L.THOMAS,D.ADAMS, JRNL AUTH 3 P.F.ALEWOOD,R.J.LEWIS JRNL TITL SOLUTION STRUCTURE OF MU-CONOTOXIN PIIIA, A JRNL TITL 2 PREFERENTIAL INHIBITOR OF PERSISTENT JRNL TITL 3 TETRODOTOXIN-SENSITIVE SODIUM CHANNELS JRNL REF J.BIOL.CHEM. V. 277 27247 2002 JRNL REFN ISSN 0021-9258 JRNL PMID 12006587 JRNL DOI 10.1074/JBC.M201611200
REMARK 1
REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE.
REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.8 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL
REMARK 4 REMARK 4 1R9I COMPLIES WITH FORMAT V. 3.15, 01-DEC-08
REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 07-NOV-03. REMARK 100 THE RCSB ID CODE IS RCSB020604.
REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 298; 298 REMARK 210 PH : 3.0; 5.5 REMARK 210 IONIC STRENGTH : NULL; NULL REMARK 210 PRESSURE : NULL; NULL REMARK 210 SAMPLE CONTENTS : 2MM PIIIA, 95% H2O, 5% D2O; REMARK 210 2MM PIIIA, 100% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D NOESY, 2D TOCSY, DQF-COSY, REMARK 210 E-COSY REMARK 210 SPECTROMETER FIELD STRENGTH : 750 MHZ, 500 MHZ REMARK 210 SPECTROMETER MODEL : DMX, AMX REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : UXNMR, AURELIA, X-PLOR 3.8 REMARK 210 METHOD USED : TORSION ANGLE DYNAMICS, REMARK 210 SIMULATED ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 50 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 : 20 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: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 1 CYS A 4 CA - CB - SG ANGL. DEV. = 8.6 DEGREES REMARK 500 1 CYS A 16 CA - CB - SG ANGL. DEV. = 7.9 DEGREES REMARK 500 1 CYS A 21 CA - CB - SG ANGL. DEV. = 8.9 DEGREES REMARK 500 2 CYS A 4 CA - CB - SG ANGL. DEV. = 8.2 DEGREES REMARK 500 2 CYS A 21 CA - CB - SG ANGL. DEV. = 6.6 DEGREES REMARK 500 3 CYS A 4 CA - CB - SG ANGL. DEV. = 7.6 DEGREES REMARK 500 4 CYS A 11 CA - CB - SG ANGL. DEV. = 9.4 DEGREES REMARK 500 5 CYS A 11 CA - CB - SG ANGL. DEV. = 8.5 DEGREES REMARK 500 7 CYS A 11 CA - CB - SG ANGL. DEV. = 8.3 DEGREES REMARK 500 8 CYS A 11 CA - CB - SG ANGL. DEV. = 7.0 DEGREES REMARK 500 8 CYS A 21 CA - CB - SG ANGL. DEV. = 7.0 DEGREES REMARK 500 9 CYS A 4 CA - CB - SG ANGL. DEV. = 7.1 DEGREES REMARK 500 9 CYS A 16 CA - CB - SG ANGL. DEV. = 7.8 DEGREES REMARK 500 10 CYS A 11 CA - CB - SG ANGL. DEV. = 8.2 DEGREES REMARK 500 11 CYS A 4 CA - CB - SG ANGL. DEV. = 7.7 DEGREES REMARK 500 11 CYS A 11 CA - CB - SG ANGL. DEV. = 6.7 DEGREES REMARK 500 11 CYS A 16 CA - CB - SG ANGL. DEV. = 7.5 DEGREES REMARK 500 12 CYS A 4 CA - CB - SG ANGL. DEV. = 6.8 DEGREES REMARK 500 12 CYS A 11 CA - CB - SG ANGL. DEV. = 8.9 DEGREES REMARK 500 13 CYS A 4 CA - CB - SG ANGL. DEV. = 7.4 DEGREES REMARK 500 14 CYS A 11 CA - CB - SG ANGL. DEV. = 8.1 DEGREES REMARK 500 14 CYS A 21 CA - CB - SG ANGL. DEV. = 6.7 DEGREES REMARK 500 15 CYS A 4 CA - CB - SG ANGL. DEV. = 9.5 DEGREES REMARK 500 15 CYS A 16 CA - CB - SG ANGL. DEV. = 6.7 DEGREES REMARK 500 15 CYS A 21 CA - CB - SG ANGL. DEV. = 6.7 DEGREES REMARK 500 16 CYS A 4 CA - CB - SG ANGL. DEV. = 6.6 DEGREES REMARK 500 16 CYS A 11 CA - CB - SG ANGL. DEV. = 9.4 DEGREES REMARK 500 17 CYS A 4 CA - CB - SG ANGL. DEV. = 6.8 DEGREES REMARK 500 17 CYS A 11 CA - CB - SG ANGL. DEV. = 6.7 DEGREES REMARK 500 18 CYS A 11 CA - CB - SG ANGL. DEV. = 6.8 DEGREES REMARK 500 18 CYS A 21 CA - CB - SG ANGL. DEV. = 7.1 DEGREES REMARK 500 19 CYS A 4 CA - CB - SG ANGL. DEV. = 9.3 DEGREES REMARK 500 19 CYS A 16 CA - CB - SG ANGL. DEV. = 7.6 DEGREES REMARK 500 20 CYS A 4 CA - CB - SG ANGL. DEV. = 8.7 DEGREES REMARK 500 20 CYS A 5 CA - CB - SG ANGL. DEV. = 7.2 DEGREES REMARK 500 20 CYS A 11 CA - CB - SG ANGL. DEV. = 7.4 DEGREES REMARK 500 20 CYS A 21 CA - CB - SG ANGL. DEV. = 10.5 DEGREES 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 LEU A 3 -132.12 -60.77 REMARK 500 2 LEU A 3 -72.56 -56.08 REMARK 500 2 CYS A 5 53.26 -90.79 REMARK 500 6 LEU A 3 -117.02 -76.11 REMARK 500 6 CYS A 11 -30.55 -37.51 REMARK 500 8 CYS A 11 -33.33 -35.40 REMARK 500 9 LEU A 3 -76.64 -92.20 REMARK 500 10 LEU A 3 -88.69 -64.58 REMARK 500 10 CYS A 11 -30.86 -39.23 REMARK 500 11 LEU A 3 -70.44 -81.74 REMARK 500 13 LEU A 3 -121.06 -82.74 REMARK 500 13 CYS A 5 46.69 -88.13 REMARK 500 14 LEU A 3 -157.67 -68.76 REMARK 500 14 CYS A 11 -26.07 -37.30 REMARK 500 15 LEU A 3 -112.84 -89.94 REMARK 500 15 CYS A 11 -5.60 -57.35 REMARK 500 16 LEU A 3 -107.13 -78.53 REMARK 500 17 LEU A 3 -147.25 -91.62 REMARK 500 17 CYS A 5 44.50 -87.52 REMARK 500 18 CYS A 11 -35.92 -39.17 REMARK 500 19 LEU A 3 -118.03 -95.27 REMARK 500 19 CYS A 11 -7.16 -59.92 REMARK 500 20 LEU A 3 -105.89 -77.61 REMARK 500 20 CYS A 11 -27.93 -34.38 REMARK 500 REMARK 500 REMARK: NULL
DBREF 1R9I A 1 22 UNP P58925 CXM3A_CONPU 4 25
SEQADV 1R9I PCA A 1 UNP P58925 GLN 4 MODIFIED RESIDUE SEQADV 1R9I HYP A 8 UNP P58925 PRO 11 MODIFIED RESIDUE SEQADV 1R9I HYP A 18 UNP P58925 PRO 21 MODIFIED RESIDUE SEQADV 1R9I CY3 A 22 UNP P58925 CYS 25 MODIFIED RESIDUE
SEQRES 1 A 22 PCA ARG LEU CYS CYS GLY PHE HYP LYS SER CYS ARG SER SEQRES 2 A 22 ARG GLN CYS LYS HYP HIS ARG CYS CY3
MODRES 1R9I PCA A 1 GLU PYROGLUTAMIC ACID MODRES 1R9I HYP A 8 PRO 4-HYDROXYPROLINE MODRES 1R9I HYP A 18 PRO 4-HYDROXYPROLINE MODRES 1R9I CY3 A 22 CYS 2-AMINO-3-MERCAPTO-PROPIONAMIDE
HET PCA A 1 14 HET HYP A 8 15 HET HYP A 18 15 HET CY3 A 22 13
HETNAM PCA PYROGLUTAMIC ACID HETNAM HYP 4-HYDROXYPROLINE HETNAM CY3 2-AMINO-3-MERCAPTO-PROPIONAMIDE
HETSYN HYP HYDROXYPROLINE
FORMUL 1 PCA C5 H7 N O3 FORMUL 1 HYP 2(C5 H9 N O3) FORMUL 1 CY3 C3 H8 N2 O S
HELIX 1 1 LYS A 9 SER A 13 5 5
SSBOND 1 CYS A 4 CYS A 16 1555 1555 2.01 SSBOND 2 CYS A 5 CYS A 21 1555 1555 2.02
LINK C PCA A 1 N ARG A 2 1555 1555 1.31 LINK C PHE A 7 N HYP A 8 1555 1555 1.32 LINK C HYP A 8 N LYS A 9 1555 1555 1.31 LINK SG CYS A 11 SG CY3 A 22 1555 1555 2.02 LINK C CYS A 21 N CY3 A 22 1555 1555 1.31 LINK C LYS A 17 N HYP A 18 1555 1555 1.32 LINK C HYP A 18 N HIS A 19 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