HEADER TOXIN 24-OCT-13 2MFX TITLE NON-REDUCIBLE ANALOGUES OF ALPHA-CONOTOXIN VC1.1: [2,8]-CIS DICARBA TITLE 2 VC1.1 COMPND MOL_ID: 1; COMPND 2 MOLECULE: ALPHA-CONOTOXIN VC1A; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: ACV1, ALPHA-VC1A, VC1.1; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 ORGANISM_SCIENTIFIC: CONUS VICTORIAE; SOURCE 4 ORGANISM_COMMON: QUEEN VICTORIA CONE SNAIL; SOURCE 5 ORGANISM_TAXID: 319920; SOURCE 6 OTHER_DETAILS: VENOM KEYWDS DICARBA, TOXIN EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR S.D.ROBINSON,C.A.MACRAILD,B.J.VAN LIEROP,A.J.ROBINSON,R.S.NORTON REVDAT 1 18-DEC-13 2MFX 0 JRNL AUTH B.J.VAN LIEROP,S.D.ROBINSON,S.N.KOMPELLA,A.BELGI, JRNL AUTH 2 J.R.MCARTHUR,A.HUNG,C.A.MACRAILD,D.J.ADAMS,R.S.NORTON, JRNL AUTH 3 A.J.ROBINSON JRNL TITL DICARBA ALPHA-CONOTOXIN VC1.1 ANALOGUES WITH DIFFERENTIAL JRNL TITL 2 SELECTIVITY FOR NICOTINIC ACETYLCHOLINE AND GABAB RECEPTORS. JRNL REF ACS CHEM.BIOL. V. 8 1815 2013 JRNL REFN ISSN 1554-8929 JRNL PMID 23768016 JRNL DOI 10.1021/CB4002393 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR_NIH, CYANA REMARK 3 AUTHORS : SCHWIETERS, KUSZEWSKI, TJANDRA AND CLORE (X-PLOR_ REMARK 3 NIH), GUNTERT, MUMENTHALER AND WUTHRICH (CYANA) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2MFX COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 18-NOV-13. REMARK 100 THE RCSB ID CODE IS RCSB103580. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 293 REMARK 210 PH : 4.8 REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : NULL REMARK 210 SAMPLE CONTENTS : 442 UM PROTEIN, 90% H2O/10% D2O; REMARK 210 442 UM PROTEIN, 100% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D 1H-1H NOESY; 2D 1H-1H TOCSY; REMARK 210 2D DQF-COSY; 2D 1H-15N HSQC; 2D REMARK 210 1H-13C HSQC REMARK 210 SPECTROMETER FIELD STRENGTH : 600 MHZ; 500 MHZ REMARK 210 SPECTROMETER MODEL : AVANCE3; AVANCE2; INOVA REMARK 210 SPECTROMETER MANUFACTURER : BRUKER; VARIAN REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : CYANA REMARK 210 METHOD USED : SIMULATED ANNEALING, TORSION REMARK 210 ANGLE DYNAMICS REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 100 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : STRUCTURES WITH THE LOWEST 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: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 CG ABA A 2 CG ABA A 8 1.34 REMARK 500 O GLY A 1 H SER A 4 1.53 REMARK 500 O ABA A 8 H HIS A 12 1.56 REMARK 500 O PRO A 13 HN2 NH2 A 17 1.56 REMARK 500 O CYS A 3 HD21 ASN A 9 1.58 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 2 ABA A 2 -48.81 62.01 REMARK 500 2 CYS A 3 -9.31 -57.50 REMARK 500 2 HIS A 12 65.42 -112.70 REMARK 500 3 ABA A 8 -64.36 -93.62 REMARK 500 3 HIS A 12 77.27 -109.64 REMARK 500 3 ILE A 15 -100.76 -103.58 REMARK 500 5 ABA A 2 -32.80 62.90 REMARK 500 6 ABA A 2 -38.42 -37.96 REMARK 500 8 ABA A 2 -48.52 63.15 REMARK 500 8 PRO A 6 -34.07 -39.16 REMARK 500 8 HIS A 12 73.46 -113.27 REMARK 500 10 ABA A 2 -49.57 65.92 REMARK 500 10 HIS A 12 62.80 -115.92 REMARK 500 12 ABA A 2 -43.69 64.22 REMARK 500 12 HIS A 12 50.97 -118.79 REMARK 500 13 ABA A 2 -32.99 -153.05 REMARK 500 13 CYS A 3 14.67 -66.25 REMARK 500 14 HIS A 12 54.80 -115.50 REMARK 500 15 HIS A 12 66.32 -117.17 REMARK 500 16 ILE A 15 -106.31 -82.74 REMARK 500 17 HIS A 12 66.76 -117.62 REMARK 500 19 ABA A 2 -46.60 64.03 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 19577 RELATED DB: BMRB REMARK 900 RELATED ID: 2MFY RELATED DB: PDB REMARK 900 RELATED ID: 2MG6 RELATED DB: PDB DBREF 2MFX A 1 16 UNP P69747 CA1A_CONVC 50 65 SEQADV 2MFX ABA A 2 UNP P69747 CYS 51 ENGINEERED MUTATION SEQADV 2MFX ABA A 8 UNP P69747 CYS 57 ENGINEERED MUTATION SEQADV 2MFX NH2 A 17 UNP P69747 AMIDATION SEQRES 1 A 17 GLY ABA CYS SER ASP PRO ARG ABA ASN TYR ASP HIS PRO SEQRES 2 A 17 GLU ILE CYS NH2 MODRES 2MFX ABA A 2 ALA ALPHA-AMINOBUTYRIC ACID MODRES 2MFX ABA A 8 ALA ALPHA-AMINOBUTYRIC ACID HET ABA A 2 11 HET ABA A 8 11 HET NH2 A 17 3 HETNAM ABA ALPHA-AMINOBUTYRIC ACID HETNAM NH2 AMINO GROUP FORMUL 1 ABA 2(C4 H9 N O2) FORMUL 1 NH2 H2 N HELIX 1 1 GLY A 1 SER A 4 5 4 HELIX 2 2 ASP A 5 TYR A 10 1 6 SSBOND 1 CYS A 3 CYS A 16 1555 1555 2.02 LINK C GLY A 1 N ABA A 2 1555 1555 1.33 LINK C ABA A 2 N CYS A 3 1555 1555 1.33 LINK C ARG A 7 N ABA A 8 1555 1555 1.33 LINK C ABA A 8 N ASN A 9 1555 1555 1.33 LINK C CYS A 16 N NH2 A 17 1555 1555 1.30 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