HEADER TOXIN 02-MAY-19 6OTA TITLE THREE-DIMENSIONAL STRUCTURE IN SOLUTION OF THE RIBBON DISULFIDE ISOMER TITLE 2 OF THE NICOTINIC ACETYLCHOLINE RECEPTOR ANTAGONIST ALPHA-CONOTOXIN TITLE 3 TXIA COMPND MOL_ID: 1; COMPND 2 MOLECULE: ALPHA-CONOTOXIN TXIA; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CONOTOXIN TX1A; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 ORGANISM_SCIENTIFIC: CONUS TEXTILE; SOURCE 4 ORGANISM_COMMON: CLOTH-OF-GOLD CONE; SOURCE 5 ORGANISM_TAXID: 6494 KEYWDS CONOTOXIN NICOTINIC ACETYLCHOLINE RECEPTOR ANTAGONIST, TOXIN EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR R.J.CLARK,A.NICKE REVDAT 3 06-NOV-24 6OTA 1 REMARK REVDAT 2 14-JUN-23 6OTA 1 REMARK REVDAT 1 06-MAY-20 6OTA 0 JRNL AUTH Y.EL HAMDAOUI,X.WU,R.J.CLARK,J.GARIBALDI,R.ANANGI,D.J.CRAIK, JRNL AUTH 2 G.F.KING,S.DUTERTRE,Q.KAAS,V.HERZIG,A.NICKE JRNL TITL STRUCTURAL AND FUNCTIONAL ANALYSIS OF E. COLI-EXPRESSED 4/7 JRNL TITL 2 ALPHA-CONOTOXIN ANALOGUES REVEALS PREFERENTIAL FORMATION OF JRNL TITL 3 RIBBON ISOMERS JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.2 REMARK 3 AUTHORS : BRUNGER, ADAMS, CLORE, GROS, NILGES AND READ REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 6OTA COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 03-MAY-19. REMARK 100 THE DEPOSITION ID IS D_1000241309. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 280 REMARK 210 PH : 4 REMARK 210 IONIC STRENGTH : 0 REMARK 210 PRESSURE : AMBIENT ATM REMARK 210 SAMPLE CONTENTS : 2 MG/L RIBBON TXIA, 90% H2O/10% REMARK 210 D2O; 2 MG/ML RIBBON TXIA, 100% REMARK 210 D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D 1H-1H TOCSY; 2D 1H-1H NOESY; REMARK 210 2D 1H-15N HSQC; 2D 1H-13C HSQC REMARK 210 SPECTROMETER FIELD STRENGTH : 600 MHZ REMARK 210 SPECTROMETER MODEL : AVANCE III REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : CYANA 3.97, CCPNMR ANALYSIS, REMARK 210 TALOS REMARK 210 METHOD USED : 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 : 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 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 2 ALA A 10 -155.97 -78.21 REMARK 500 3 ALA A 10 -167.24 -76.84 REMARK 500 3 ASN A 11 90.79 -69.22 REMARK 500 5 ALA A 10 -155.81 -84.42 REMARK 500 6 PRO A 7 32.04 -93.85 REMARK 500 6 ALA A 10 -155.82 -76.26 REMARK 500 7 PRO A 7 31.00 -97.91 REMARK 500 7 ALA A 10 -169.09 -72.67 REMARK 500 8 ALA A 10 -162.93 -73.31 REMARK 500 9 PRO A 6 163.42 -49.92 REMARK 500 10 ASN A 11 89.80 -68.19 REMARK 500 11 ALA A 10 -168.31 -71.63 REMARK 500 12 ALA A 10 -174.92 -66.12 REMARK 500 13 PRO A 7 30.48 -98.78 REMARK 500 13 ALA A 10 -162.39 -72.55 REMARK 500 14 CYS A 8 40.65 -88.65 REMARK 500 14 ASN A 11 92.25 -66.11 REMARK 500 15 ALA A 10 -169.75 -72.31 REMARK 500 16 ALA A 10 -161.62 -76.62 REMARK 500 16 LEU A 15 99.90 -58.32 REMARK 500 18 ALA A 10 -169.24 -73.81 REMARK 500 19 PRO A 7 37.17 -96.90 REMARK 500 19 ALA A 10 -162.02 -76.75 REMARK 500 20 ALA A 10 -168.76 -73.03 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 30609 RELATED DB: BMRB REMARK 900 THREE-DIMENSIONAL STRUCTURE IN SOLUTION OF THE RIBBON DISULFIDE REMARK 900 ISOMER OF THE NICOTINIC ACETYLCHOLINE RECEPTOR ANTAGONIST ALPHA- REMARK 900 CONOTOXIN TXIA DBREF 6OTA A 1 16 UNP P0DM21 CA1A_CONTE 40 55 SEQRES 1 A 16 GLY CYS CYS SER ARG PRO PRO CYS ILE ALA ASN ASN PRO SEQRES 2 A 16 ASP LEU CYS SSBOND 1 CYS A 2 CYS A 16 1555 1555 2.03 SSBOND 2 CYS A 3 CYS A 8 1555 1555 2.04 CISPEP 1 PRO A 6 PRO A 7 1 2.65 CISPEP 2 PRO A 6 PRO A 7 2 1.80 CISPEP 3 PRO A 6 PRO A 7 3 2.86 CISPEP 4 PRO A 6 PRO A 7 4 1.57 CISPEP 5 PRO A 6 PRO A 7 5 3.49 CISPEP 6 PRO A 6 PRO A 7 6 3.92 CISPEP 7 PRO A 6 PRO A 7 7 2.73 CISPEP 8 PRO A 6 PRO A 7 8 2.22 CISPEP 9 PRO A 6 PRO A 7 9 4.91 CISPEP 10 PRO A 6 PRO A 7 10 2.02 CISPEP 11 PRO A 6 PRO A 7 11 0.87 CISPEP 12 PRO A 6 PRO A 7 12 1.85 CISPEP 13 PRO A 6 PRO A 7 13 2.30 CISPEP 14 PRO A 6 PRO A 7 14 2.29 CISPEP 15 PRO A 6 PRO A 7 15 2.76 CISPEP 16 PRO A 6 PRO A 7 16 0.83 CISPEP 17 PRO A 6 PRO A 7 17 5.73 CISPEP 18 PRO A 6 PRO A 7 18 3.28 CISPEP 19 PRO A 6 PRO A 7 19 3.23 CISPEP 20 PRO A 6 PRO A 7 20 3.83 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