10 20 30 40 50 60 70 80 1KL8 - Header ----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----| Asymmetric UnitHEADER TOXIN 11-DEC-01 1KL8
TITLE NMR STRUCTURAL ANALYSIS OF THE COMPLEX FORMED BETWEEN ALPHA- TITLE 2 BUNGAROTOXIN AND THE PRINCIPAL ALPHA-NEUROTOXIN BINDING TITLE 3 SEQUENCE ON THE ALPHA7 SUBUNIT OF A NEURONAL NICOTINIC TITLE 4 ACETYLCHOLINE RECEPTOR
COMPND MOL_ID: 1; COMPND 2 MOLECULE: ALPHA-BUNGAROTOXIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: LONG NEUROTOXIN 1; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: NEURONAL ACETYLCHOLINE RECEPTOR PROTEIN, ALPHA-7 COMPND 7 CHAIN; COMPND 8 CHAIN: B; COMPND 9 FRAGMENT: ALPHA-NEUROTOXIN BINDING SITE; COMPND 10 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 MOL_ID: 2; SOURCE 6 ORGANISM_SCIENTIFIC: GALLUS GALLUS; SOURCE 7 ORGANISM_COMMON: CHICKEN; SOURCE 8 ORGANISM_TAXID: 9031; SOURCE 9 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 10 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 11 EXPRESSION_SYSTEM_STRAIN: BLR(DE3)PLYSS; SOURCE 12 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 13 EXPRESSION_SYSTEM_PLASMID: PET31B(+)
KEYWDS ALPHA-BUNGAROTOXIN, NICOTINIC ACETYLCHOLINE RECEPTOR ALPHA KEYWDS 2 7 SUBUNIT, ALPHA-NEUROTOXIN, LIGAND-GATED ION CHANNELS, NMR KEYWDS 3 PROTEIN-PROTEIN INTERACTIONS, PROTEIN-PEPTIDE COMPLEX
EXPDTA SOLUTION NMR
MDLTYP MINIMIZED AVERAGE
AUTHOR L.MOISE,A.PISERCHIO,V.J.BASUS,E.HAWROT
REVDAT 4 24-FEB-09 1KL8 1 VERSN REVDAT 3 01-APR-03 1KL8 1 JRNL REVDAT 2 17-APR-02 1KL8 1 JRNL REVDAT 1 13-MAR-02 1KL8 0
JRNL AUTH L.MOISE,A.PISERCHIO,V.J.BASUS,E.HAWROT JRNL TITL NMR STRUCTURAL ANALYSIS OF ALPHA-BUNGAROTOXIN AND JRNL TITL 2 ITS COMPLEX WITH THE PRINCIPAL JRNL TITL 3 ALPHA-NEUROTOXIN-BINDING SEQUENCE ON THE ALPHA 7 JRNL TITL 4 SUBUNIT OF A NEURONAL NICOTINIC ACETYLCHOLINE JRNL TITL 5 RECEPTOR. JRNL REF J.BIOL.CHEM. V. 277 12406 2002 JRNL REFN ISSN 0021-9258 JRNL PMID 11790782 JRNL DOI 10.1074/JBC.M110320200
REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH M.M.LEVANDOSKI,Y.LIN,L.MOISE,J.T.MCLAUGHLIN, REMARK 1 AUTH 2 E.COOPER,E.HAWROT REMARK 1 TITL CHIMERIC ANALYSIS OF A NEURONAL NICOTINIC REMARK 1 TITL 2 ACETYLCHOLINE RECEPTOR REVEALS AMINO ACIDS REMARK 1 TITL 3 CONFERRING SENSITIVITY TO ALPHA-BUNGAROTOXIN. REMARK 1 REF J.BIOL.CHEM. V. 274 26113 1999 REMARK 1 REFN ISSN 0021-9258 REMARK 1 DOI 10.1074/JBC.274.37.26113 REMARK 1 REFERENCE 2 REMARK 1 AUTH K.E.MCLANE,X.D.WU,R.SCHOEPFER,J.M.LINDSTROM, REMARK 1 AUTH 2 B.M.CONTI-TRONCONI REMARK 1 TITL IDENTIFICATION OF SEQUENCE SEGMENTS FORMING THE REMARK 1 TITL 2 ALPHA-BUNGAROTOXIN BINDING SITES ON TWO NICOTINIC REMARK 1 TITL 3 ACETYLCHOLINE RECEPTOR ALPHA SUBUNITS FROM THE REMARK 1 TITL 4 AVIAN BRAIN. REMARK 1 REF J.BIOL.CHEM. V. 266 15230 1991 REMARK 1 REFN ISSN 0021-9258 REMARK 1 REFERENCE 3 REMARK 1 AUTH V.J.BASUS,M.BILLETER,R.A.LOVE,R.M.STROUD,I.D.KUNTZ REMARK 1 TITL STRUCTURAL STUDIES OF ALPHA-BUNGAROTOXIN. 1. REMARK 1 TITL 2 SEQUENCE-SPECIFIC 1H NMR RESONANCE ASSIGNMENTS. REMARK 1 REF BIOCHEMISTRY V. 27 2763 1988 REMARK 1 REFN ISSN 0006-2960
REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE.
REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.0 REMARK 3 AUTHORS : BRUNGER, A.T., ET AL. REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: RMS DEVIATIONS FROM IDEAL VALUES REMARK 3 BOND LENGTH(A) 0.0039, ANGLES(DEG) 0.61, IMPROPERS(DEG) 0.5
REMARK 4 REMARK 4 1KL8 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08
REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 17-DEC-01. REMARK 100 THE RCSB ID CODE IS RCSB015074.
REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 308.00 REMARK 210 PH : 5.50 REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 1.6 MM ALPHA-BUNGAROTOXIN REMARK 210 15N]-ALPHA 7 19MER COMPLEX MM REMARK 210 SODIUM PHOSPHATE, PH 5. REMARK 210 MICROMOLAR SODIUM AZIDE 50 REMARK 210 MICROMOLAR TMSP REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D NOESY, 2D TOCSY, 3D_15 REMARK 210 SEPARATED_NOESY, 3D_15N- REMARK 210 SEPARATED_TOCSY, 2D_1H_15N REMARK 210 HSQC, HNHA REMARK 210 SPECTROMETER FIELD STRENGTH : 600 MHZ, 400 MHZ REMARK 210 SPECTROMETER MODEL : AVANCE REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : XWINNMR 2.1, NMRPIPE 1.8, REMARK 210 SPARKY 3.87 REMARK 210 METHOD USED : DISTANCE GEOMETRY DYNAMIC REMARK 210 SIMULATED ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : NULL REMARK 210 CONFORMERS, NUMBER SUBMITTED : 1 REMARK 210 CONFORMERS, SELECTION CRITERIA : NULL REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1 REMARK 210 REMARK 210 REMARK: THE WELL-DEFINED REGIONS IN THE COMPLEX, EXHIBITING REMARK 210 EXTENSIVE LONG RANGE NOES, ARE: BGTX: 1-16, 22-28, 39-48, AND REMARK 210 54-68 ALPHA 7 19MER: 185-194.
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 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 465 SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 RES C SSSEQI REMARK 465 HSL B 197
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 ARG A 25 NE - CZ - NH1 ANGL. DEV. = 3.3 DEGREES REMARK 500 ARG A 72 NE - CZ - NH1 ANGL. DEV. = 3.2 DEGREES REMARK 500 ARG B 182 NE - CZ - NH1 ANGL. DEV. = 3.2 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 THR A 5 170.42 -51.52 REMARK 500 ALA A 7 52.78 74.74 REMARK 500 SER A 9 -65.38 -167.13 REMARK 500 SER A 12 -147.86 -115.36 REMARK 500 ASN A 21 -51.02 -154.64 REMARK 500 CYS A 29 -51.85 -139.82 REMARK 500 ALA A 31 -91.86 174.53 REMARK 500 PHE A 32 90.30 177.94 REMARK 500 SER A 34 153.08 66.79 REMARK 500 SER A 35 -79.53 78.70 REMARK 500 VAL A 40 94.47 40.17 REMARK 500 SER A 50 123.24 -173.77 REMARK 500 LYS A 51 61.49 -178.03 REMARK 500 LYS A 52 70.84 55.86 REMARK 500 GLU A 55 91.85 115.79 REMARK 500 GLU A 56 -151.62 -159.82 REMARK 500 THR A 62 -165.35 -166.63 REMARK 500 ASP A 63 -132.94 -76.08 REMARK 500 LYS A 64 73.84 -58.25 REMARK 500 PRO A 67 97.78 -51.17 REMARK 500 PRO A 69 -72.77 -50.68 REMARK 500 PRO A 73 -174.51 -67.41 REMARK 500 LYS B 181 124.49 67.84 REMARK 500 THR B 183 59.59 -101.72 REMARK 500 SER B 185 -167.21 -101.52 REMARK 500 TYR B 187 -152.43 -124.09 REMARK 500 CYS B 189 -42.84 -170.48 REMARK 500 CYS B 190 41.80 -162.11 REMARK 500 GLU B 192 -148.93 70.81 REMARK 500 TYR B 194 -68.71 -2.66 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 TYR B 194 0.11 SIDE_CHAIN REMARK 500 REMARK 500 REMARK: NULL
REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1ABT RELATED DB: PDB REMARK 900 1ABT IS ALPHA-BUNGAROTOXIN COMPLEXED WITH THE 185 - 196 REMARK 900 FRAGMENT OF THE -SUBUNIT OF THE TORPEDO NICOTINIC REMARK 900 ACETYLCHOLINE RECEPTOR (NMR, 4 STRUCTURES). REMARK 900 RELATED ID: 1IDH RELATED DB: PDB REMARK 900 1IDH IS THE NMR SOLUTION STRUCTURE OF THE COMPLEX FORMED REMARK 900 BETWEEN ALPHA-BUNGAROTOXIN AND AN 18MER COGNATE PEPTIDE. REMARK 900 RELATED ID: 2ABX RELATED DB: PDB REMARK 900 2ABX IS THE CRYSTAL STRUCTURE OF ALPHA-BUNGAROTOXIN AT 2.5 REMARK 900 A RESOLUTION: RELATION TO SOLUTION STRUCTURE AND BINDING TO REMARK 900 ACETYLCHOLINE RECEPTOR. REMARK 900 RELATED ID: 1I9B RELATED DB: PDB REMARK 900 1I9B IS THE X-RAY STRUCTURE OF ACETYLCHOLINE BINDING REMARK 900 PROTEIN (ACHBP). REMARK 900 RELATED ID: 1HC9 RELATED DB: PDB REMARK 900 1HC9 IS A-BUNGAROTOXIN COMPLEXED WITH HIGH AFFINITY PEPTIDE. REMARK 900 RELATED ID: 1JBD RELATED DB: PDB REMARK 900 1JBD IS THE NMR STRUCTURE OF THE COMPLEX BETWEEN ALPHA- REMARK 900 BUNGAROTOXIN AND A MIMOTOPE OF THE NICOTINIC ACETILCHOLINE REMARK 900 RECEPTOR. REMARK 900 RELATED ID: 1KC4 RELATED DB: PDB REMARK 900 1KC4 IS THE NMR STRUCTURAL ANALYSIS OF THE COMPLEX FORMED REMARK 900 BETWEEN ALPHA-BUNGAROTOXIN AND THE PRINCIPAL ALPHA- REMARK 900 NEUROTOXIN BINDING SEQUENCE ON THE ALPHA7 SUBUNIT OF A REMARK 900 NEURONAL NICOTINIC ACETYLCHOLINE RECEPTOR (ENSEMBLE OF 10 REMARK 900 STRUCTURES). REMARK 900 RELATED ID: 1KFH RELATED DB: PDB REMARK 900 1KFH IS THE SOLUTION STRUCTURE OF ALPHA-BUNGAROTOXIN BY NMR REMARK 900 SPECTROSCOPY. REMARK 900 RELATED ID: 1HAJ RELATED DB: PDB REMARK 900 1HAJ IS A BETA-HAIRPIN STRUCTURE IN A 13-MER PEPTIDE THAT REMARK 900 BINDS A-BUNGAROTOXIN WITH HIGH AFFINITY AND NEUTRALIZES ITS REMARK 900 TOXICITY. REMARK 900 RELATED ID: 1BXP RELATED DB: PDB REMARK 900 1BXP IS THE SOLUTION NMR STRUCTURE OF THE COMPLEX OF ALPHA- REMARK 900 BUNGAROTOXIN WITH A LIBRARY DERIVED PEPTIDE, 20 STRUCTURES. REMARK 900 RELATED ID: 1IKC RELATED DB: PDB REMARK 900 1IKC IS THE NMR STRUCTURE OF ALPHA-BUNGAROTOXIN.
DBREF 1KL8 A 1 74 UNP P60615 NXL1A_BUNMU 1 74 DBREF 1KL8 B 178 196 UNP P22770 ACHA7_CHICK 201 219
SEQADV 1KL8 HSL B 197 UNP P22770 ENGINEERED
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 20 ILE PRO GLY LYS ARG THR GLU SER PHE TYR GLU CYS CYS SEQRES 2 B 20 LYS GLU PRO TYR PRO ASP HSL
SHEET 1 A 3 GLU A 41 ALA A 45 0 SHEET 2 A 3 LEU A 22 LYS A 26 -1 N LEU A 22 O ALA A 45 SHEET 3 A 3 VAL A 57 THR A 58 -1 O THR A 58 N ARG A 25
SSBOND 1 CYS A 3 CYS A 23 1555 1555 1.99 SSBOND 2 CYS A 16 CYS A 44 1555 1555 2.00 SSBOND 3 CYS A 29 CYS A 33 1555 1555 1.99 SSBOND 4 CYS A 48 CYS A 59 1555 1555 1.99 SSBOND 5 CYS A 60 CYS A 65 1555 1555 1.98 SSBOND 6 CYS B 189 CYS B 190 1555 1555 2.02
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