HEADER TOXIN 29-APR-03 1P67 OBSLTE 25-NOV-03 1P67 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 SECRETION: VENOM; SOURCE 5 MOL_ID: 2; SOURCE 6 SYNTHETIC: YES KEYWDS NEUROTOXIN, PROTEIN-PEPTIDE COMPLEX, ALPHA-BUNGAROTOXIN, KEYWDS 2 BETA-STRANDS EXPDTA NMR, MINIMIZED AVERAGE STRUCTURE AUTHOR A.BERNINI,O.SPIGA,A.CIUTTI,M.SCARSELLI,L.BRACCI,L.LOZZI, AUTHOR 2 B.LELLI,P.NERI,N.NICCOLAI REVDAT 2 25-NOV-03 1P67 1 OBSLTE REVDAT 1 11-NOV-03 1P67 0 JRNL AUTH A.BERNINI,O.SPIGA,A.CIUTTI,M.SCARSELLI,L.BRACCI, JRNL AUTH 2 L.LOZZI,B.LELLI,P.NERI,N.NICCOLAI JRNL TITL NMR STRUCTURE OF THE COMPLEX BETWEEN JRNL TITL 2 ALPHA-BUNGAROTOXIN AND MIMOTOPE OF THE NICOTINIC JRNL TITL 3 ACETILCHOLINE RECEPTOR WITH ENHANCED ACTIVITY JRNL REF TO BE PUBLISHED JRNL REFN 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 1P67 COMPLIES WITH FORMAT V. 2.3, 09-JULY-1998 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 30-APR-2003. REMARK 100 THE RCSB ID CODE IS RCSB019057. 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 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, NMRVIEW 4.1.1, REMARK 210 DYANA 1.5 REMARK 210 METHOD USED : MOLECULAR DYNAMICS REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 100 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 1 REMARK 210 CONFORMERS, SELECTION CRITERIA : 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 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS(M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 ILE A 11 CA O CG1 CD1 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 REMARK 500 C ILE A 11 OH TYR B 3 1.95 REMARK 500 OG1 THR A 8 CB ILE A 11 2.00 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 M RES CSSEQI PSI PHI REMARK 500 LYS A 51 168.63 62.56 REMARK 500 TYR B 4 141.61 61.12 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1JDB RELATED DB: PDB REMARK 900 ALPHA-BUNGAROTOXIN COMPLEXED WITH ANOTHER PEPTIDE. REMARK 900 MINIMIZED AVERAGE STRUCTURE. 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 1P67 A 1 74 UNP P01378 NXLA_BUNMU 1 74 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 3 GLU A 41 ALA A 45 0 SHEET 2 B 3 LEU A 22 MET A 27 -1 N TYR A 24 O GLY A 43 SHEET 3 B 3 GLU A 56 CYS A 60 -1 O THR A 58 N ARG A 25 SSBOND 1 CYS A 16 CYS A 44 SSBOND 2 CYS A 29 CYS A 33 SSBOND 3 CYS A 48 CYS A 59 SSBOND 4 CYS A 60 CYS A 65 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