HEADER COMPLEX (TOXIN/PEPTIDE) 23-AUG-98 1BXP TITLE SOLUTION NMR STRUCTURE OF THE COMPLEX OF ALPHA-BUNGAROTOXIN WITH A TITLE 2 LIBRARY DERIVED PEPTIDE, 20 STRUCTURES COMPND MOL_ID: 1; COMPND 2 MOLECULE: ALPHA-BUNGAROTOXIN; COMPND 3 CHAIN: A; COMPND 4 MOL_ID: 2; COMPND 5 MOLECULE: PEPTIDE MET-ARG-TYR-TYR-GLU-SER-SER-LEU-LYS-SER-TYR-PRO- COMPND 6 ASP; 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 KEYWDS COMPLEX (TOXIN-PEPTIDE), ALPHA-BUNGAROTOXIN, LIBRARY PEPTIDE, COMPLEX KEYWDS 2 (TOXIN-PEPTIDE) COMPLEX EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR T.SCHERF,M.BALASS,S.FUCHS,E.KATCHALSKI-KATZIR,J.ANGLISTER REVDAT 6 30-OCT-24 1BXP 1 REMARK REVDAT 5 16-FEB-22 1BXP 1 REMARK REVDAT 4 24-FEB-09 1BXP 1 VERSN REVDAT 3 30-SEP-03 1BXP 1 DBREF REVDAT 2 16-FEB-99 1BXP 1 SOURCE COMPND REMARK TITLE REVDAT 2 2 1 KEYWDS HEADER REVDAT 1 27-JAN-99 1BXP 0 JRNL AUTH T.SCHERF,M.BALASS,S.FUCHS,E.KATCHALSKI-KATZIR,J.ANGLISTER JRNL TITL THREE-DIMENSIONAL SOLUTION STRUCTURE OF THE COMPLEX OF JRNL TITL 2 ALPHA-BUNGAROTOXIN WITH A LIBRARY-DERIVED PEPTIDE. JRNL REF PROC.NATL.ACAD.SCI.USA V. 94 6059 1997 JRNL REFN ISSN 0027-8424 JRNL PMID 9177168 JRNL DOI 10.1073/PNAS.94.12.6059 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH M.BALASS,E.KATCHALSKI-KATZIR,S.FUCHS REMARK 1 TITL THE ALPHA-BUNGAROTOXIN BINDING SITE ON THE NICOTINIC REMARK 1 TITL 2 ACETYLCHOLINE RECEPTOR: ANALYSIS USING A PHAGE-EPITOPE REMARK 1 TITL 3 LIBRARY REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 94 6054 1997 REMARK 1 REFN ISSN 0027-8424 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.1 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: DETAILS OF THE STRUCTURE DETERMINATION REMARK 3 AND ALL STRUCTURAL STATISTICS ARE GIVEN IN THE PAPER CITED ON * REMARK 3 JRNL* RECORDS ABOVE. THE STRUCTURES ARE BASED ON 941 REMARK 3 INTRAMOLECULAR CONSTRAINTS WITHIN THE BOUND TOXIN (INCLUDING 291 REMARK 3 LONG-RANGE INTERACTIONS), 98 INTRAPEPTIDE INTERACTIONS REMARK 3 (INCLUDING 7 LONG-RANGE INTERACTIONS), AND 62 INTERMOLECULAR REMARK 3 CONSTRAINTS BETWEEN THE BUNGAROTOXIN AND THE 13-RESIDUE PEPTIDE REMARK 3 USED IN THIS STUDY (LISTED HERE AS RESIDUES 75 B - 87 B). REMARK 4 REMARK 4 1BXP COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000172137. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 303 REMARK 210 PH : 5.8 REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : NULL REMARK 210 SAMPLE CONTENTS : NULL REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : COSY; DQF-COSY; TOCSY; NOESY REMARK 210 SPECTROMETER FIELD STRENGTH : 500 MHZ; 600 MHZ REMARK 210 SPECTROMETER MODEL : AM500; DMX600 REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : X-PLOR REMARK 210 METHOD USED : DISTANCE GEOMETRY/ DYNAMICAL REMARK 210 SIMMULATED ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 20 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : NO NOE VIOLATIONS,OVERALL ENERGY REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : NULL REMARK 210 REMARK 210 REMARK: THE STRUCTURE WAS DETERMINED USING 2D 1H-NMR 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: DIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 SER A 9 -59.50 -171.19 REMARK 500 1 PRO A 10 -96.15 -100.15 REMARK 500 1 ILE A 11 121.25 166.18 REMARK 500 1 LEU A 22 -154.62 -162.32 REMARK 500 1 TRP A 28 -96.13 -168.88 REMARK 500 1 CYS A 29 143.82 -172.90 REMARK 500 1 ASP A 30 -158.45 -90.67 REMARK 500 1 CYS A 33 94.87 -42.99 REMARK 500 1 LYS A 38 -146.88 -91.39 REMARK 500 1 VAL A 39 -149.36 -114.15 REMARK 500 1 VAL A 40 84.28 -156.85 REMARK 500 1 THR A 47 138.83 -170.27 REMARK 500 1 CYS A 48 97.03 -39.69 REMARK 500 1 SER A 50 119.36 53.98 REMARK 500 1 LYS A 51 47.97 -172.32 REMARK 500 1 PRO A 53 -90.85 -86.30 REMARK 500 1 CYS A 60 119.83 -172.40 REMARK 500 1 ASP A 63 95.19 -45.09 REMARK 500 1 LYS A 70 -81.76 -99.40 REMARK 500 1 ARG A 72 101.12 -41.22 REMARK 500 1 TYR B 3 58.41 -97.34 REMARK 500 1 TYR B 4 -173.35 -65.63 REMARK 500 1 GLU B 5 36.76 -84.92 REMARK 500 1 SER B 6 35.92 176.79 REMARK 500 1 SER B 7 145.11 173.79 REMARK 500 1 LEU B 8 37.96 -140.36 REMARK 500 1 SER B 10 50.69 36.13 REMARK 500 2 THR A 8 -91.50 -98.42 REMARK 500 2 SER A 9 -160.75 -68.97 REMARK 500 2 ILE A 11 113.84 178.42 REMARK 500 2 TRP A 28 -98.68 -177.99 REMARK 500 2 CYS A 33 100.14 -42.19 REMARK 500 2 LYS A 38 -144.03 -91.35 REMARK 500 2 VAL A 39 -151.82 -115.07 REMARK 500 2 GLU A 41 77.63 -110.79 REMARK 500 2 ALA A 45 150.00 -170.02 REMARK 500 2 CYS A 48 99.93 -40.16 REMARK 500 2 LYS A 51 51.42 -170.15 REMARK 500 2 LYS A 52 114.99 -170.33 REMARK 500 2 PRO A 53 39.30 -76.25 REMARK 500 2 TYR A 54 -37.74 -140.39 REMARK 500 2 GLU A 55 -169.35 -79.50 REMARK 500 2 GLU A 56 54.59 -162.05 REMARK 500 2 CYS A 60 125.76 -171.19 REMARK 500 2 PRO A 69 87.76 -61.94 REMARK 500 2 LYS A 70 -88.46 -90.73 REMARK 500 2 TYR B 3 53.66 -97.88 REMARK 500 2 TYR B 4 -168.72 -65.63 REMARK 500 2 SER B 6 -18.07 167.28 REMARK 500 2 LEU B 8 58.47 -140.47 REMARK 500 REMARK 500 THIS ENTRY HAS 479 RAMACHANDRAN OUTLIERS. REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 1 ARG A 25 0.31 SIDE CHAIN REMARK 500 1 ARG A 36 0.22 SIDE CHAIN REMARK 500 1 ARG A 72 0.23 SIDE CHAIN REMARK 500 1 ARG B 2 0.21 SIDE CHAIN REMARK 500 2 ARG A 25 0.29 SIDE CHAIN REMARK 500 2 ARG A 36 0.08 SIDE CHAIN REMARK 500 2 ARG A 72 0.32 SIDE CHAIN REMARK 500 2 ARG B 2 0.31 SIDE CHAIN REMARK 500 3 ARG A 25 0.31 SIDE CHAIN REMARK 500 3 ARG A 36 0.32 SIDE CHAIN REMARK 500 3 ARG A 72 0.29 SIDE CHAIN REMARK 500 3 ARG B 2 0.23 SIDE CHAIN REMARK 500 4 ARG A 25 0.17 SIDE CHAIN REMARK 500 4 ARG A 36 0.11 SIDE CHAIN REMARK 500 4 ARG A 72 0.13 SIDE CHAIN REMARK 500 4 ARG B 2 0.30 SIDE CHAIN REMARK 500 5 ARG A 25 0.13 SIDE CHAIN REMARK 500 5 ARG A 36 0.26 SIDE CHAIN REMARK 500 5 ARG A 72 0.20 SIDE CHAIN REMARK 500 5 ARG B 2 0.21 SIDE CHAIN REMARK 500 6 ARG A 25 0.19 SIDE CHAIN REMARK 500 6 ARG A 36 0.32 SIDE CHAIN REMARK 500 6 ARG A 72 0.32 SIDE CHAIN REMARK 500 6 ARG B 2 0.32 SIDE CHAIN REMARK 500 7 ARG A 25 0.18 SIDE CHAIN REMARK 500 7 ARG A 36 0.10 SIDE CHAIN REMARK 500 7 ARG B 2 0.32 SIDE CHAIN REMARK 500 8 ARG A 25 0.24 SIDE CHAIN REMARK 500 8 ARG A 36 0.21 SIDE CHAIN REMARK 500 8 ARG A 72 0.32 SIDE CHAIN REMARK 500 8 ARG B 2 0.29 SIDE CHAIN REMARK 500 9 ARG A 25 0.31 SIDE CHAIN REMARK 500 9 ARG A 36 0.22 SIDE CHAIN REMARK 500 9 ARG A 72 0.29 SIDE CHAIN REMARK 500 9 ARG B 2 0.20 SIDE CHAIN REMARK 500 10 ARG A 25 0.23 SIDE CHAIN REMARK 500 10 ARG A 36 0.19 SIDE CHAIN REMARK 500 10 ARG A 72 0.13 SIDE CHAIN REMARK 500 10 ARG B 2 0.30 SIDE CHAIN REMARK 500 11 ARG A 25 0.27 SIDE CHAIN REMARK 500 11 ARG A 36 0.31 SIDE CHAIN REMARK 500 11 ARG A 72 0.23 SIDE CHAIN REMARK 500 12 ARG A 25 0.32 SIDE CHAIN REMARK 500 12 ARG A 36 0.30 SIDE CHAIN REMARK 500 12 ARG A 72 0.23 SIDE CHAIN REMARK 500 12 ARG B 2 0.20 SIDE CHAIN REMARK 500 13 ARG A 25 0.22 SIDE CHAIN REMARK 500 13 ARG A 36 0.28 SIDE CHAIN REMARK 500 13 ARG A 72 0.26 SIDE CHAIN REMARK 500 13 ARG B 2 0.22 SIDE CHAIN REMARK 500 REMARK 500 THIS ENTRY HAS 78 PLANE DEVIATIONS. REMARK 500 REMARK 500 REMARK: NULL DBREF 1BXP A 1 74 UNP P60615 NXL1A_BUNMU 1 74 DBREF 1BXP B 1 13 PDB 1BXP 1BXP 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 MET ARG TYR TYR GLU SER SER LEU LYS SER TYR PRO ASP SHEET 1 A 2 VAL A 2 HIS A 4 0 SHEET 2 A 2 ALA A 13 THR A 15 -1 N VAL A 14 O CYS A 3 SHEET 1 B 2 LEU A 22 LYS A 26 0 SHEET 2 B 2 GLU A 41 ALA A 45 -1 N ALA A 45 O LEU A 22 SSBOND 1 CYS A 3 CYS A 23 1555 1555 2.01 SSBOND 2 CYS A 16 CYS A 44 1555 1555 2.02 SSBOND 3 CYS A 29 CYS A 33 1555 1555 2.02 SSBOND 4 CYS A 48 CYS A 59 1555 1555 2.02 SSBOND 5 CYS A 60 CYS A 65 1555 1555 2.01 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