HEADER POSTSYNAPTIC NEUROTOXIN 19-FEB-86 2ABX TITLE THE CRYSTAL STRUCTURE OF ALPHA-BUNGAROTOXIN AT 2.5 TITLE 2 ANGSTROMS RESOLUTION. RELATION TO SOLUTION STRUCTURE AND TITLE 3 BINDING TO ACETYLCHOLINE RECEPTOR COMPND MOL_ID: 1; COMPND 2 MOLECULE: ALPHA-BUNGAROTOXIN; COMPND 3 CHAIN: A, B; COMPND 4 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 TISSUE: VENOM KEYWDS POSTSYNAPTIC NEUROTOXIN EXPDTA X-RAY DIFFRACTION AUTHOR R.LOVE,R.STROUD REVDAT 5 24-FEB-09 2ABX 1 VERSN REVDAT 4 30-SEP-03 2ABX 1 JRNL DBREF REVDAT 3 16-OCT-87 2ABX 1 REVDAT JRNL REVDAT 2 16-JUL-87 2ABX 1 JRNL FORMUL REVDAT 1 07-MAY-86 2ABX 0 SPRSDE 07-MAY-86 2ABX 1ABX JRNL AUTH R.A.LOVE,R.M.STROUD JRNL TITL THE CRYSTAL STRUCTURE OF ALPHA-BUNGAROTOXIN AT 2.5 JRNL TITL 2 A RESOLUTION: RELATION TO SOLUTION STRUCTURE AND JRNL TITL 3 BINDING TO ACETYLCHOLINE RECEPTOR. JRNL REF PROTEIN ENG. V. 1 37 1986 JRNL REFN ISSN 0269-2139 JRNL PMID 3507686 JRNL DOI 10.1093/PROTEIN/1.1.37 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH D.A.AGARD,R.M.STROUD REMARK 1 TITL ALPHA-BUNGAROTOXIN STRUCTURE REVEALED BY A RAPID REMARK 1 TITL 2 METHOD FOR AVERAGING ELECTRON DENSITY OF REMARK 1 TITL 3 NON-CRYSTALLOGRAPHICALLY TRANSLATIONALLY RELATED REMARK 1 TITL 4 MOLECULES REMARK 1 REF ACTA CRYSTALLOGR.,SECT.A V. 38 186 1982 REMARK 1 REFN ISSN 0108-7673 REMARK 2 REMARK 2 RESOLUTION. 2.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PROLSQ REMARK 3 AUTHORS : KONNERT,HENDRICKSON REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : NULL REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : NULL REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : 0.240 REMARK 3 R VALUE (WORKING SET) : NULL REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL WITH ALL DATA. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1102 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 16 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.032 ; NULL REMARK 3 ANGLE DISTANCE (A) : NULL ; NULL REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : NULL ; NULL REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : NULL ; NULL REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : NULL ; NULL REMARK 3 MULTIPLE TORSION (A) : NULL ; NULL REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : NULL ; NULL REMARK 3 STAGGERED (DEGREES) : NULL ; NULL REMARK 3 TRANSVERSE (DEGREES) : NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2ABX COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : NULL REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : NULL REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 33.78 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.86 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 REMARK 290 4555 X+1/2,-Y+1/2,-Z REMARK 290 REMARK 290 WHERE NNN -> OPERATOR NUMBER REMARK 290 MMM -> TRANSLATION VECTOR REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY REMARK 290 RELATED MOLECULES. REMARK 290 SMTRY1 1 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 1 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 1 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 2 -1.000000 0.000000 0.000000 33.90000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 11.20000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 39.20000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 11.20000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 33.90000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 39.20000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL 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 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 205 DISTANCE = 5.05 ANGSTROMS REMARK 525 HOH A 211 DISTANCE = 7.12 ANGSTROMS REMARK 525 HOH A 214 DISTANCE = 6.38 ANGSTROMS REMARK 525 HOH A 215 DISTANCE = 8.18 ANGSTROMS DBREF 2ABX A 1 74 UNP P60615 NXL1A_BUNMU 1 74 DBREF 2ABX B 1 74 UNP P60615 NXL1A_BUNMU 1 74 SEQADV 2ABX ILE A 9 UNP P60615 SER 9 CONFLICT SEQADV 2ABX SER A 11 UNP P60615 ILE 11 CONFLICT SEQADV 2ABX HIS A 67 UNP P60615 PRO 67 CONFLICT SEQADV 2ABX PRO A 68 UNP P60615 HIS 68 CONFLICT SEQADV 2ABX ARG A 71 UNP P60615 GLN 71 CONFLICT SEQADV 2ABX GLN A 72 UNP P60615 ARG 72 CONFLICT SEQADV 2ABX ILE B 9 UNP P60615 SER 9 CONFLICT SEQADV 2ABX SER B 11 UNP P60615 ILE 11 CONFLICT SEQADV 2ABX HIS B 67 UNP P60615 PRO 67 CONFLICT SEQADV 2ABX PRO B 68 UNP P60615 HIS 68 CONFLICT SEQADV 2ABX ARG B 71 UNP P60615 GLN 71 CONFLICT SEQADV 2ABX GLN B 72 UNP P60615 ARG 72 CONFLICT SEQRES 1 A 74 ILE VAL CYS HIS THR THR ALA THR ILE PRO SER 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 HIS PRO PRO LYS ARG GLN PRO GLY SEQRES 1 B 74 ILE VAL CYS HIS THR THR ALA THR ILE PRO SER SER ALA SEQRES 2 B 74 VAL THR CYS PRO PRO GLY GLU ASN LEU CYS TYR ARG LYS SEQRES 3 B 74 MET TRP CYS ASP ALA PHE CYS SER SER ARG GLY LYS VAL SEQRES 4 B 74 VAL GLU LEU GLY CYS ALA ALA THR CYS PRO SER LYS LYS SEQRES 5 B 74 PRO TYR GLU GLU VAL THR CYS CYS SER THR ASP LYS CYS SEQRES 6 B 74 ASN HIS PRO PRO LYS ARG GLN PRO GLY FORMUL 3 HOH *16(H2 O) SHEET 1 A 2 ARG A 25 LYS A 26 0 SHEET 2 A 2 GLU A 41 LEU A 42 -1 O GLU A 41 N LYS A 26 SHEET 1 B 2 HIS B 4 THR B 5 0 SHEET 2 B 2 ALA B 13 VAL B 14 -1 N ALA B 13 O THR B 5 SHEET 1 C 3 GLU B 41 LEU B 42 0 SHEET 2 C 3 TYR B 24 LYS B 26 -1 N LYS B 26 O GLU B 41 SHEET 3 C 3 VAL B 57 CYS B 59 -1 O THR B 58 N ARG B 25 SSBOND 1 CYS A 3 CYS A 23 1555 1555 2.14 SSBOND 2 CYS A 16 CYS A 44 1555 1555 2.03 SSBOND 3 CYS A 29 CYS A 33 1555 1555 2.04 SSBOND 4 CYS A 48 CYS A 59 1555 1555 2.13 SSBOND 5 CYS A 60 CYS A 65 1555 1555 2.31 SSBOND 6 CYS B 3 CYS B 23 1555 1555 1.99 SSBOND 7 CYS B 16 CYS B 44 1555 1555 1.91 SSBOND 8 CYS B 29 CYS B 33 1555 1555 2.25 SSBOND 9 CYS B 48 CYS B 59 1555 1555 1.92 SSBOND 10 CYS B 60 CYS B 65 1555 1555 2.08 CRYST1 67.800 78.400 22.400 90.00 90.00 90.00 P 21 21 21 8 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 0.014749 0.000000 0.000000 0.00000 SCALE2 0.000000 0.012755 0.000000 0.00000 SCALE3 0.000000 0.000000 0.044643 0.00000 MTRIX1 1 -1.000000 0.000000 0.000000 72.10000 1 MTRIX2 1 0.000000 -1.000000 0.000000 105.95000 1 MTRIX3 1 0.000000 0.000000 1.000000 0.00000 1