HEADER TOXIN 12-NOV-03 1RGJ TITLE NMR STRUCTURE OF THE COMPLEX BETWEEN ALPHA-BUNGAROTOXIN AND TITLE 2 MIMOTOPE OF THE NICOTINIC ACETILCHOLINE RECEPTOR WITH TITLE 3 ENHANCED ACTIVITY COMPND MOL_ID: 1; COMPND 2 MOLECULE: LONG NEUROTOXIN 1; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: ALPHA-BUNGAROTOXIN, ALPHA-BTX, BGTX; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: MIMOTOPE OF THE NICOTINIC ACETILCHOLINE RECEPTOR; COMPND 7 CHAIN: B; COMPND 8 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BUNGARUS MULTICINCTUS; SOURCE 3 ORGANISM_COMMON: MANY-BANDED KRAIT; SOURCE 4 ORGANISM_TAXID: 8616; SOURCE 5 SECRETION: VENOM; SOURCE 6 MOL_ID: 2; SOURCE 7 SYNTHETIC: YES; SOURCE 8 OTHER_DETAILS: THE PEPTIDE WAS CHEMICALLY SYNTHESIZED KEYWDS NEUROTOXIN, PROTEIN-PEPTIDE COMPLEX, ALPHA-BUNGAROTOXIN, KEYWDS 2 BETA-STRANDS EXPDTA SOLUTION NMR MDLTYP MINIMIZED AVERAGE AUTHOR A.BERNINI,O.SPIGA,A.CIUTTI,M.SCARSELLI,L.BRACCI,L.LOZZI, AUTHOR 2 B.LELLI,P.NERI,N.NICCOLAI REVDAT 3 24-FEB-09 1RGJ 1 VERSN REVDAT 2 11-JAN-05 1RGJ 1 JRNL REVDAT 1 25-NOV-03 1RGJ 0 SPRSDE 25-NOV-03 1RGJ 1P67 JRNL AUTH A.BERNINI,A.CIUTTI,O.SPIGA,M.SCARSELLI,S.KLEIN, JRNL AUTH 2 S.VANNETTI,L.BRACCI,L.LOZZI,B.LELLI,C.FALCIANI, JRNL AUTH 3 P.NERI,N.NICCOLAI JRNL TITL NMR AND MD STUDIES ON THE INTERACTION BETWEEN JRNL TITL 2 LIGAND PEPTIDES AND ALPHA-BUNGAROTOXIN. JRNL REF J.MOL.BIOL. V. 339 1169 2004 JRNL REFN ISSN 0022-2836 JRNL PMID 15178256 JRNL DOI 10.1016/J.JMB.2004.04.041 REMARK 1 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : AMBER 4.1 REMARK 3 AUTHORS : KOLLMAN REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1RGJ COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 13-NOV-03. REMARK 100 THE RCSB ID CODE IS RCSB020727. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 303 REMARK 210 PH : 5.6 REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 2MM ALPHA-BUNGAROTOXIN, 2MM REMARK 210 PEPTIDE REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D TOCSY, 2D NOESY REMARK 210 SPECTROMETER FIELD STRENGTH : 600 MHZ REMARK 210 SPECTROMETER MODEL : DRX REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : XWINNMR 2.1, DYANA 1.5 REMARK 210 METHOD USED : DISTANCE GEOMETRY REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 100 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 1 REMARK 210 CONFORMERS, SELECTION CRITERIA : STRUCTURES WITH FAVORABLE NON REMARK 210 -BOND ENERGY REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1 REMARK 210 REMARK 210 REMARK: THIS STRUCTURE WAS DETERMINED USING STANDARD 2D REMARK 210 HOMONUCLEAR TECHNIQUES 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: 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 O VAL A 2 OD2 ASP A 63 2.16 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 PRO A 10 -159.18 -74.99 REMARK 500 SER A 12 -179.40 -179.63 REMARK 500 CYS A 16 172.37 -47.61 REMARK 500 PRO A 18 29.08 -74.90 REMARK 500 ARG A 25 89.07 -168.14 REMARK 500 LYS A 26 174.90 -45.88 REMARK 500 MET A 27 137.44 177.03 REMARK 500 TRP A 28 143.49 -175.35 REMARK 500 CYS A 29 83.11 -61.67 REMARK 500 ASP A 30 177.35 -43.45 REMARK 500 ALA A 31 44.80 -70.40 REMARK 500 PHE A 32 32.41 -176.77 REMARK 500 CYS A 33 -14.74 -49.85 REMARK 500 ARG A 36 -92.32 -91.24 REMARK 500 LYS A 38 83.81 59.52 REMARK 500 GLU A 41 52.56 -95.44 REMARK 500 LEU A 42 141.28 -27.00 REMARK 500 THR A 47 -165.41 179.33 REMARK 500 PRO A 49 -158.48 -74.96 REMARK 500 SER A 50 -72.28 -57.68 REMARK 500 LYS A 51 165.06 99.79 REMARK 500 THR A 58 -171.73 -65.19 REMARK 500 LYS A 70 12.30 -151.17 REMARK 500 GLN A 71 131.79 -19.40 REMARK 500 ARG A 72 141.43 168.26 REMARK 500 TYR B 4 128.66 4.66 REMARK 500 GLU B 5 -18.12 -40.58 REMARK 500 SER B 7 -119.56 -158.47 REMARK 500 LEU B 8 22.45 -155.40 REMARK 500 TRP B 11 66.15 174.93 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1JBD RELATED DB: PDB REMARK 900 ALPHA-BUNGAROTOXIN COMPLEXED WITH ANOTHER PEPTIDE REMARK 900 RELATED ID: 1HOY RELATED DB: PDB REMARK 900 ALPHA-BUNGAROTOXIN COMPLEXED WITH ANOTHER PEPTIDE. 20 NMR REMARK 900 STRUCTURES REMARK 900 RELATED ID: 1IK8 RELATED DB: PDB REMARK 900 ALPHA-BUNGAROTOXIN. MINIMIZED AVERAGE STRUCTURE REMARK 900 RELATED ID: 1IKC RELATED DB: PDB REMARK 900 ALPHA-BUNGAROTOXIN. 30 NMR STRUCTURES DBREF 1RGJ A 1 74 UNP P60615 NXL1A_BUNMU 1 74 DBREF 1RGJ B 1 13 PDB 1RGJ 1RGJ 1 13 SEQRES 1 A 74 ILE VAL CYS HIS THR THR ALA THR SER PRO ILE SER ALA SEQRES 2 A 74 VAL THR CYS PRO PRO GLY GLU ASN LEU CYS TYR ARG LYS SEQRES 3 A 74 MET TRP CYS ASP ALA PHE CYS SER SER ARG GLY LYS VAL SEQRES 4 A 74 VAL GLU LEU GLY CYS ALA ALA THR CYS PRO SER LYS LYS SEQRES 5 A 74 PRO TYR GLU GLU VAL THR CYS CYS SER THR ASP LYS CYS SEQRES 6 A 74 ASN PRO HIS PRO LYS GLN ARG PRO GLY SEQRES 1 B 13 PHE ARG TYR TYR GLU SER SER LEU GLU PRO TRP ASP ASP SHEET 1 A 2 VAL A 2 HIS A 4 0 SHEET 2 A 2 ALA A 13 THR A 15 -1 O VAL A 14 N CYS A 3 SHEET 1 B 2 LEU A 22 TYR A 24 0 SHEET 2 B 2 GLY A 43 ALA A 45 -1 O ALA A 45 N LEU A 22 SHEET 1 C 2 LYS A 26 MET A 27 0 SHEET 2 C 2 GLU A 56 VAL A 57 -1 O GLU A 56 N MET A 27 SSBOND 1 CYS A 3 CYS A 23 1555 1555 1.46 SSBOND 2 CYS A 16 CYS A 44 1555 1555 0.89 SSBOND 3 CYS A 29 CYS A 33 1555 1555 1.64 SSBOND 4 CYS A 48 CYS A 59 1555 1555 2.15 SSBOND 5 CYS A 60 CYS A 65 1555 1555 1.43 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 MASTER 116 0 0 0 6 0 0 6 0 0 0 7 END