HEADER TOXIN 15-FEB-21 7LQR TITLE STRUCTURE OF CONOTOXIN CIC COMPND MOL_ID: 1; COMPND 2 MOLECULE: ALPHA-CONOTOXIN CIC; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CONE CA; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 ORGANISM_SCIENTIFIC: CONUS CATUS; SOURCE 4 ORGANISM_COMMON: CAT CONE; SOURCE 5 ORGANISM_TAXID: 101291 KEYWDS NICOTINIC ACETYLCHOLINE RECEPTOR ANTAGONIST, TOXIN EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR E.R.J.EVANS,N.L.DALY REVDAT 2 30-OCT-24 7LQR 1 JRNL REVDAT 1 21-APR-21 7LQR 0 JRNL AUTH J.GIRIBALDI,Y.HAUFE,E.R.J.EVANS,D.T.WILSON,N.L.DALY, JRNL AUTH 2 C.ENJALBAL,A.NICKE,S.DUTERTRE JRNL TITL SYNTHESIS, STRUCTURAL AND PHARMACOLOGICAL CHARACTERIZATIONS JRNL TITL 2 OF CIC, A NOVEL ALPHA-CONOTOXIN WITH AN EXTENDED N-TERMINAL JRNL TITL 3 TAIL. JRNL REF MAR DRUGS V. 19 2021 JRNL REFN ESSN 1660-3397 JRNL PMID 33801301 JRNL DOI 10.3390/MD19030141 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CYANA REMARK 3 AUTHORS : GUNTERT, MUMENTHALER AND WUTHRICH REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 7LQR COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 15-FEB-21. REMARK 100 THE DEPOSITION ID IS D_1000254364. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 290 REMARK 210 PH : 3.5 REMARK 210 IONIC STRENGTH : 1 REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 1 MM CONOTOXIN CIC, 90% H2O/10% REMARK 210 D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D 1H-1H TOCSY; 2D 1H-1H NOESY; REMARK 210 2D 1H-1H COSY; 2D 1H-13C HSQC; REMARK 210 2D 1H-15N HSQC REMARK 210 SPECTROMETER FIELD STRENGTH : 600 MHZ REMARK 210 SPECTROMETER MODEL : AVANCE REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : TOPSPIN, CCPNMR ANALYSIS, CYANA REMARK 210 METHOD USED : TORSION ANGLE DYNAMICS REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 100 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : TARGET FUNCTION 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 1 ASP A 5 -50.94 -122.24 REMARK 500 1 HIS A 17 52.39 -116.93 REMARK 500 2 HIS A 17 52.62 -119.08 REMARK 500 3 HIS A 17 52.51 -118.33 REMARK 500 4 SER A 2 -70.38 -53.21 REMARK 500 4 HIS A 17 52.38 -112.19 REMARK 500 5 SER A 2 65.16 -104.80 REMARK 500 5 HIS A 17 51.33 -112.68 REMARK 500 6 SER A 2 -63.50 -90.31 REMARK 500 6 ALA A 4 97.64 -66.38 REMARK 500 6 HIS A 17 52.63 -112.46 REMARK 500 7 HIS A 17 52.63 -110.40 REMARK 500 8 ASP A 5 -50.19 -122.70 REMARK 500 9 SER A 2 -69.45 -94.23 REMARK 500 9 ASP A 5 -49.64 -130.11 REMARK 500 10 SER A 2 -62.00 -104.89 REMARK 500 11 HIS A 17 50.41 -117.15 REMARK 500 12 HIS A 17 52.59 -108.59 REMARK 500 13 HIS A 17 52.45 -108.26 REMARK 500 14 HIS A 17 52.61 -119.69 REMARK 500 15 SER A 2 78.88 -117.50 REMARK 500 15 ASP A 5 -51.04 -125.42 REMARK 500 15 HIS A 17 52.32 -114.62 REMARK 500 16 HIS A 17 52.15 -109.26 REMARK 500 17 HIS A 17 52.44 -112.01 REMARK 500 18 SER A 2 -65.87 -97.32 REMARK 500 18 HIS A 17 52.43 -119.33 REMARK 500 19 HIS A 17 52.60 -118.50 REMARK 500 20 HIS A 17 51.57 -114.98 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 30859 RELATED DB: BMRB REMARK 900 STRUCTURE OF CONOTOXIN CIC DBREF 7LQR A 1 21 PDB 7LQR 7LQR 1 21 SEQRES 1 A 21 ALA SER GLY ALA ASP THR CYS CYS SER ASN PRO ALA CYS SEQRES 2 A 21 GLN VAL GLN HIS SER ASP LEU CYS HELIX 1 AA1 ASP A 5 ASN A 10 1 6 HELIX 2 AA2 ASN A 10 HIS A 17 1 8 SSBOND 1 CYS A 7 CYS A 13 1555 1555 2.10 SSBOND 2 CYS A 8 CYS A 21 1555 1555 2.00 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