HEADER TOXIN 25-JUN-25 9PB0 TITLE SOLUTION NMR STRUCTURE OF CONOTOXIN AOIA - GLOBULAR DISULFIDE ISOMER COMPND MOL_ID: 1; COMPND 2 MOLECULE: CHI-CONOTOXIN-LIKE AR1311; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 ORGANISM_SCIENTIFIC: CONUS ARANEOSUS; SOURCE 4 ORGANISM_TAXID: 101286 KEYWDS CONOTOXIN, CHI-CONOTOXIN, NET-INHIBITOR, TOXIN EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR T.I.GONZALEZ,K.J.ROSENGREN REVDAT 2 05-AUG-26 9PB0 1 JRNL REVDAT 1 29-JUL-26 9PB0 0 JRNL AUTH O.J.V.BELLEZA,H.ZHANG,H.SCHMIDHAMMER,T.I.GONZALEZ,C.I.CIOTU, JRNL AUTH 2 N.TOMASEVIC,C.M.M.OCAMPO,J.C.FERNANDO,J.KOEHBACH,P.SCHWARZ, JRNL AUTH 3 M.AL MAKHLOUF,G.TAJTI,S.HASINGER,N.KASTNER,O.AVSAR,B.RETZL, JRNL AUTH 4 K.JANTSCH,Y.JIANG,R.HELLINGER,M.J.M.FISCHER,K.J.ROSENGREN, JRNL AUTH 5 C.W.GRUBER,A.J.L.VILLARAZA,T.STOCKNER,M.SPETEA,H.E.XU, JRNL AUTH 6 H.H.SITTE JRNL TITL STRUCTURAL AND FUNCTIONAL BASIS OF ANTINOCICEPTIVE ACTION OF JRNL TITL 2 CHI-CONOTOXIN AOIA AT THE NORADRENALINE TRANSPORTER. JRNL REF NAT.STRUCT.MOL.BIOL. 2026 JRNL REFN ESSN 1545-9985 JRNL PMID 42481720 JRNL DOI 10.1038/S41594-026-01838-Z 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: STRUCTURES WERE CALCULATED USING REMARK 3 TORSION ANGLE DYNAMICS AND REFINED IN EXPLICIT SOLVENT USING REMARK 3 CARTESIAN DYNAMICS. REMARK 4 REMARK 4 9PB0 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 27-JUN-25. REMARK 100 THE DEPOSITION ID IS D_1000297286. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 298 REMARK 210 PH : 3.5 REMARK 210 IONIC STRENGTH : 0 REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 2 MG/ML ARXA-GLOBULAR, 90% REMARK 210 H2O/10% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D 1H-1H TOCSY; 2D 1H-1H NOESY; REMARK 210 2D 1H-13C HSQC; 2D 1H-15N HSQC REMARK 210 SPECTROMETER FIELD STRENGTH : 700 MHZ REMARK 210 SPECTROMETER MODEL : AVANCE III HD REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : TOPSPIN 3.7.0, CARA 1.9.1, CYANA REMARK 210 3.98.15 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 : MOLPROBITY SCORE 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 CYS A 3 -158.12 -121.73 REMARK 500 1 HYP A 10 100.50 -55.46 REMARK 500 2 LYS A 6 17.15 51.58 REMARK 500 2 HIS A 9 158.58 178.11 REMARK 500 3 CYS A 3 -167.27 -127.04 REMARK 500 3 LYS A 6 17.57 51.34 REMARK 500 3 HYP A 10 98.51 -41.76 REMARK 500 4 CYS A 3 -164.65 -115.42 REMARK 500 4 HIS A 9 166.10 173.92 REMARK 500 4 HYP A 10 102.36 -58.34 REMARK 500 5 CYS A 3 -165.47 -124.82 REMARK 500 5 HYP A 10 102.69 -43.75 REMARK 500 6 CYS A 3 -166.01 -113.81 REMARK 500 6 HYP A 10 109.91 -57.08 REMARK 500 8 LYS A 6 17.69 49.43 REMARK 500 8 HIS A 9 145.55 -178.52 REMARK 500 9 CYS A 3 -167.19 -129.36 REMARK 500 10 HYP A 10 109.70 -56.73 REMARK 500 11 CYS A 3 -160.37 -128.88 REMARK 500 11 HYP A 10 93.50 -46.87 REMARK 500 12 CYS A 3 -165.04 -120.77 REMARK 500 12 LYS A 6 17.30 51.58 REMARK 500 12 HIS A 9 152.02 175.30 REMARK 500 13 CYS A 3 -165.94 -119.90 REMARK 500 14 CYS A 3 -169.81 -125.70 REMARK 500 14 LYS A 6 17.85 52.59 REMARK 500 15 CYS A 3 -164.49 -128.88 REMARK 500 16 LYS A 6 26.71 47.97 REMARK 500 17 CYS A 3 -167.90 -108.83 REMARK 500 18 CYS A 3 -157.11 -127.97 REMARK 500 18 TYR A 5 17.97 59.81 REMARK 500 18 HIS A 9 147.38 -178.68 REMARK 500 19 CYS A 3 -162.53 -112.76 REMARK 500 19 HIS A 9 164.90 177.20 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 31256 RELATED DB: BMRB REMARK 900 SOLUTION NMR STRUCTURE OF CONOTOXIN AOIA - GLOBULAR DISULFIDE ISOMER DBREF 9PB0 A 1 11 UNP P0CI23 CTA11_CONAO 1 11 SEQRES 1 A 11 ARG CYS CYS GLY TYR LYS MET CYS HIS HYP CYS MODRES 9PB0 HYP A 10 PRO MODIFIED RESIDUE HET HYP A 10 15 HETNAM HYP 4-HYDROXYPROLINE HETSYN HYP HYDROXYPROLINE FORMUL 1 HYP C5 H9 N O3 HELIX 1 AA1 CYS A 3 MET A 7 5 5 SSBOND 1 CYS A 2 CYS A 8 1555 1555 2.05 SSBOND 2 CYS A 3 CYS A 11 1555 1555 2.04 LINK C HIS A 9 N HYP A 10 1555 1555 1.35 LINK C HYP A 10 N CYS A 11 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 MODEL 1 ENDMDL MODEL 2 ENDMDL MODEL 3 ENDMDL MODEL 4 ENDMDL MODEL 5 ENDMDL MODEL 6 ENDMDL MODEL 7 ENDMDL MODEL 8 ENDMDL MODEL 9 ENDMDL MODEL 10 ENDMDL MODEL 11 ENDMDL MODEL 12 ENDMDL MODEL 13 ENDMDL MODEL 14 ENDMDL MODEL 15 ENDMDL MODEL 16 ENDMDL MODEL 17 ENDMDL MODEL 18 ENDMDL MODEL 19 ENDMDL MODEL 20 ENDMDL CONECT 32 119 CONECT 42 161 CONECT 119 32 CONECT 126 141 CONECT 141 126 142 147 CONECT 142 141 143 145 149 CONECT 143 142 144 156 CONECT 144 143 CONECT 145 142 146 150 151 CONECT 146 145 147 148 152 CONECT 147 141 146 153 154 CONECT 148 146 155 CONECT 149 142 CONECT 150 145 CONECT 151 145 CONECT 152 146 CONECT 153 147 CONECT 154 147 CONECT 155 148 CONECT 156 143 CONECT 161 42 MASTER 125 0 1 1 0 0 0 6 87 1 21 1 END