10 20 30 40 50 60 70 80 1IK8 - Header ----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----| Asymmetric UnitHEADER TOXIN 03-MAY-01 1IK8
TITLE NMR STRUCTURE OF ALPHA-BUNGAROTOXIN
COMPND MOL_ID: 1; COMPND 2 MOLECULE: LONG NEUROTOXIN 1; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: ALPHA-BUNGAROTOXIN
SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BUNGARUS MULTICINCTUS; SOURCE 3 ORGANISM_COMMON: MANY-BANDED KRAIT; SOURCE 4 ORGANISM_TAXID: 8616
KEYWDS NMR, ALPHA-BUNGAROTOXIN, TOXIN, NICOTINIC-ACETILCHOLINE KEYWDS 2 RECEPTOR
EXPDTA SOLUTION NMR
MDLTYP MINIMIZED AVERAGE
AUTHOR N.NICCOLAI,A.CIUTTI,O.SPIGA
REVDAT 3 24-FEB-09 1IK8 1 VERSN REVDAT 2 27-FEB-02 1IK8 1 JRNL REMARK REVDAT 1 16-MAY-01 1IK8 0
JRNL AUTH M.SCARSELLI,O.SPIGA,A.CIUTTI,A.BERNINI,L.BRACCI, JRNL AUTH 2 B.LELLI,L.LOZZI,D.CALAMANDREI,D.DI MARO,S.KLEIN, JRNL AUTH 3 N.NICCOLAI JRNL TITL NMR STRUCTURE OF ALPHA-BUNGAROTOXIN FREE AND BOUND JRNL TITL 2 TO A MIMOTOPE OF THE NICOTINIC ACETYLCHOLINE JRNL TITL 3 RECEPTOR. JRNL REF BIOCHEMISTRY V. 41 1457 2002 JRNL REFN ISSN 0006-2960 JRNL PMID 11814338 JRNL DOI 10.1021/BI011012F
REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH O.SPIGA,A.BERNINI,M.SCARSELLI,A.CIUTTI,L.BRACCI, REMARK 1 AUTH 2 L.LOZZI,B.LELLI,D.DI MARO,D.CALAMANDREI,N.NICCOLAI REMARK 1 TITL PEPTIDE-PROTEIN INTERACTIONS STUDIED BY SURFACE REMARK 1 TITL 2 PLASMON AND NUCLEAR MAGNETIC RESONANCES REMARK 1 REF FEBS LETT. V. 511 33 2002 REMARK 1 REFN ISSN 0014-5793 REMARK 1 DOI 10.1016/S0014-5793(01)03274-4
REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE.
REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : AMBER 4.1 REMARK 3 AUTHORS : PEARLMAN REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: THE STRUCTURES ARE BASED ON A TOTAL REMARK 3 OF 1096 RESTRAINTS
REMARK 4 REMARK 4 1IK8 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08
REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 04-MAY-01. REMARK 100 THE RCSB ID CODE IS RCSB013359.
REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 303 REMARK 210 PH : 5.67 REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : NULL REMARK 210 SAMPLE CONTENTS : 0.5MM ALPHA-BUNGAROTOXIN; 90% REMARK 210 H2O, 10% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D TOCSY, 2D NOESY REMARK 210 SPECTROMETER FIELD STRENGTH : 600 MHZ REMARK 210 SPECTROMETER MODEL : AVANCE REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : XWINNMR 2.1, NMRVIEW 4.1, REMARK 210 DYANA 1.5 REMARK 210 METHOD USED : DISTANCE GEOMETRY, SIMULATED REMARK 210 ANNEALING, MOLECULAR DYNAMICS REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 100 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 1 REMARK 210 CONFORMERS, SELECTION CRITERIA : MINIMIZED AVERAGE STRUCTURE 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 SG CYS A 16 CB CYS A 44 2.12 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 VAL A 2 CG1 - CB - CG2 ANGL. DEV. = 10.2 DEGREES REMARK 500 THR A 5 CA - CB - CG2 ANGL. DEV. = -14.9 DEGREES REMARK 500 ALA A 13 N - CA - CB ANGL. DEV. = 13.3 DEGREES 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 VAL A 2 -103.32 -176.97 REMARK 500 THR A 5 -112.53 -144.42 REMARK 500 THR A 6 -147.99 -72.12 REMARK 500 ALA A 7 76.11 104.20 REMARK 500 THR A 8 58.64 81.81 REMARK 500 SER A 9 -150.62 102.03 REMARK 500 ILE A 11 -152.70 52.86 REMARK 500 SER A 12 39.83 -177.64 REMARK 500 ALA A 13 -35.19 99.74 REMARK 500 VAL A 14 -78.28 3.76 REMARK 500 THR A 15 21.34 107.04 REMARK 500 CYS A 16 -146.78 65.82 REMARK 500 PRO A 17 -144.72 -79.88 REMARK 500 PRO A 18 -113.79 -75.11 REMARK 500 GLU A 20 62.81 65.91 REMARK 500 ASN A 21 146.18 98.82 REMARK 500 LEU A 22 155.23 93.87 REMARK 500 CYS A 23 106.49 -160.46 REMARK 500 MET A 27 166.87 84.30 REMARK 500 TRP A 28 -42.09 161.79 REMARK 500 CYS A 29 62.48 -113.04 REMARK 500 ASP A 30 -79.54 12.04 REMARK 500 ALA A 31 -0.85 174.25 REMARK 500 CYS A 33 46.45 25.53 REMARK 500 SER A 35 -175.41 98.63 REMARK 500 ARG A 36 -135.01 59.74 REMARK 500 LYS A 38 16.83 -146.33 REMARK 500 VAL A 39 77.94 -119.38 REMARK 500 VAL A 40 -167.66 -104.50 REMARK 500 LEU A 42 87.57 -14.18 REMARK 500 CYS A 44 149.14 44.14 REMARK 500 ALA A 45 39.47 -151.84 REMARK 500 ALA A 46 -98.37 131.63 REMARK 500 CYS A 48 88.22 38.38 REMARK 500 SER A 50 -53.54 81.30 REMARK 500 LYS A 51 -133.61 79.08 REMARK 500 PRO A 53 -72.41 -74.97 REMARK 500 TYR A 54 -166.97 33.35 REMARK 500 GLU A 55 -112.33 -19.09 REMARK 500 THR A 58 -158.91 170.66 REMARK 500 CYS A 59 111.70 178.76 REMARK 500 CYS A 60 -159.67 -118.19 REMARK 500 SER A 61 47.63 153.01 REMARK 500 ASP A 63 -33.79 112.86 REMARK 500 LYS A 64 173.19 177.76 REMARK 500 CYS A 65 48.52 158.26 REMARK 500 ASN A 66 52.60 -164.53 REMARK 500 PRO A 67 -142.01 -76.83 REMARK 500 HIS A 68 122.63 163.78 REMARK 500 PRO A 69 -163.35 -75.03 REMARK 500 LYS A 70 -91.02 50.83 REMARK 500 GLN A 71 -155.35 64.12 REMARK 500 PRO A 73 43.89 -75.01 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY REMARK 500 REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY REMARK 500 TORSION, C(I) - CA(I) - N(I+1) - O(I), GREATER REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 500 I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI ANGLE REMARK 500 VAL A 2 -11.61 REMARK 500 REMARK 500 REMARK: NULL
REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1HN7 RELATED DB: PDB REMARK 900 1HN7 CONTAINS THE SAME PROTEIN COMPLEXED WITH A PEPTIDE REMARK 900 RELATED ID: 1HOY RELATED DB: PDB REMARK 900 1HOY IS THE NMR STRUCTURE OF THE COMPLEX BETWEEN A- REMARK 900 BUNGAROTOXIN AND A MIMOTOPE OF THE NICOTINIC ACETILCHOLINE REMARK 900 RECEPTOR
DBREF 1IK8 A 1 74 UNP P60615 NXL1A_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
SHEET 1 A 2 MET A 27 TRP A 28 0 SHEET 2 A 2 VAL A 39 VAL A 40 -1 O VAL A 39 N TRP A 28
SSBOND 1 CYS A 3 CYS A 23 1555 1555 2.09 SSBOND 2 CYS A 16 CYS A 44 1555 1555 2.57 SSBOND 3 CYS A 29 CYS A 33 1555 1555 1.64 SSBOND 4 CYS A 48 CYS A 59 1555 1555 1.55 SSBOND 5 CYS A 60 CYS A 65 1555 1555 2.16
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