PDB Short entry for 1FSC HEADER SNAKE TOXIN 27-MAR-95 1FSC TITLE CRYSTAL STRUCTURE OF FASCICULIN 2 FROM GREEN MAMBA SNAKE TITLE 2 VENOM: EVIDENCE FOR UNUSUAL LOOP FLEXIBILITY COMPND MOL_ID: 1; COMPND 2 MOLECULE: FASCICULIN 2; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: DENDROASPIS ANGUSTICEPS; SOURCE 3 ORGANISM_COMMON: EASTERN GREEN MAMBA; SOURCE 4 ORGANISM_TAXID: 8618 KEYWDS SNAKE TOXIN EXPDTA X-RAY DIFFRACTION AUTHOR D.HOUSSET,M.H.LE DU,J.C.FONTECILLA-CAMPS REVDAT 2 24-FEB-09 1FSC 1 VERSN REVDAT 1 10-JUL-95 1FSC 0 JRNL AUTH M.H.LE DU,D.HOUSSET,P.MARCHOT,P.E.BOUGIS,J.NAVAZA, JRNL AUTH 2 J.C.FONTECILLA-CAMPS JRNL TITL STRUCTURE OF FASCICULIN 2 FROM GREEN MAMBA SNAKE JRNL TITL 2 VENOM: EVIDENCE FOR UNUSUAL LOOP FLEXIBILITY. JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 52 87 1996 JRNL REFN ISSN 0907-4449 JRNL PMID 15299729 JRNL DOI 10.1107/S0907444995007517 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH M.H.LE DU,P.MARCHOT,P.E.BOUGIS,J.C.FONTECILLA-CAMPS REMARK 1 TITL 1.9-ANGSTROMS RESOLUTION STRUCTURE OF FASCICULIN REMARK 1 TITL 2 1, AN ANTI-ACETYLCHOLINESTERASE TOXIN FROM GREEN REMARK 1 TITL 3 MAMBA SNAKE VENOM REMARK 1 REF J.BIOL.CHEM. V. 267 22122 1992 REMARK 1 REFN ISSN 0021-9258 REMARK 1 REFERENCE 2 REMARK 1 AUTH M.H.LE,P.MARCHOT,P.E.BOUGIS,J.C.FONTECILLA-CAMPS REMARK 1 TITL CRYSTALS OF FASCICULIN 2 FROM GREEN MAMBA SNAKE REMARK 1 TITL 2 VENOM REMARK 1 REF J.BIOL.CHEM. V. 264 21401 1989 REMARK 1 REFN ISSN 0021-9258 REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.0 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.500 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 88.0 REMARK 3 NUMBER OF REFLECTIONS : 6287 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 SET) : 0.188 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 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 464 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 55 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 27.82 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 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.016 REMARK 3 BOND ANGLES (DEGREES) : 2.01 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 26.93 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.34 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : 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 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: THE CRYSTALS ONLY GROW IN THE REMARK 3 PRESENCE OF BETA-OCTYL GLUCOSIDE. DURING REFINEMENT THE FO-FC REMARK 3 ELECTRON DENSITY MAP SHOWED A LARGE POSITIVE PEAK IN A REMARK 3 HYDROPHOBIC POCKET AT THE INTERFACE BETWEEN THE TWO MOLECULES REMARK 3 FORMING THE CRYSTALLOGRAPHIC DIMER. FOR THE PURPOSE OF REMARK 3 REFINEMENT, TWO OXYGEN ATOMS WERE MODELED IN THIS DENSITY. VAN REMARK 3 DER WAALS INTERACTIONS BETWEEN THESE TWO ATOMS WERE REMARK 3 INTENTIONALLY SWITCHED OFF TO LET THEM FREE TO MOVE TO THE REMARK 3 OPTIMAL POSITION. IT EXPLAINS THE SHORT DISTANCE (1.7 A) REMARK 3 BETWEEN THEM. THE AUTHORS DISCUSS THIS IN THE PAPER CITED ON REMARK 3 JRNL RECORDS AND BELIEVE THAT THIS POCKET COULD BE OCCUPIED BY REMARK 3 PART OF THE ALIPHATIC CHAIN OF THE BETA-OCTYL GLUCOSIDE REMARK 3 MOLECULE. THE TWO OXYGENS ARE PRESENTED AS O 156 AND O 157 REMARK 3 BELOW. REMARK 4 REMARK 4 1FSC 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 : 1992; 1992 REMARK 200 TEMPERATURE (KELVIN) : NULL; NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N; Y REMARK 200 RADIATION SOURCE : NULL; LURE REMARK 200 BEAMLINE : NULL; DW32 REMARK 200 X-RAY GENERATOR MODEL : NULL; NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL; NULL REMARK 200 WAVELENGTH OR RANGE (A) : 1.54; 0.90 REMARK 200 MONOCHROMATOR : NULL; NULL REMARK 200 OPTICS : NULL; NULL REMARK 200 REMARK 200 DETECTOR TYPE : AREA DETECTOR; IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : XENTRONICS; MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 6363 REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.500 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 90.0 REMARK 200 DATA REDUNDANCY : 3.300 REMARK 200 R MERGE (I) : 0.05800 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> 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 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL; NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: X-PLOR 3.0 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 66.12 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.63 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y+1/2,X+1/2,Z+1/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+3/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+1/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+3/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z+1/2 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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 41.09000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 24.46500 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 24.46500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 20.54500 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 24.46500 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 24.46500 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 61.63500 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 24.46500 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 24.46500 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 20.54500 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 24.46500 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 24.46500 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 61.63500 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 41.09000 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 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 350 BIOMT1 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 400 REMARK 400 COMPOUND REMARK 400 TURN REMARK 400 DETERMINATION METHOD: DSSP REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT 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 O UNL A 156 O UNL A 157 1.66 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 CYS A 41 71.84 -158.60 REMARK 500 ASP A 45 -157.41 -158.08 REMARK 500 PRO A 56 -167.50 -69.31 REMARK 500 REMARK 500 REMARK: NULL REMARK 700 REMARK 700 SHEET REMARK 700 SHEET REMARK 700 SHEET_ID: AB, DETERMINATION METHOD: DSSP. REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE UNL A 156 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE UNL A 157 DBREF 1FSC A 1 61 UNP P01403 TXF7_DENAN 1 61 SEQRES 1 A 61 THR MET CYS TYR SER HIS THR THR THR SER ARG ALA ILE SEQRES 2 A 61 LEU THR ASN CYS GLY GLU ASN SER CYS TYR ARG LYS SER SEQRES 3 A 61 ARG ARG HIS PRO PRO LYS MET VAL LEU GLY ARG GLY CYS SEQRES 4 A 61 GLY CYS PRO PRO GLY ASP ASP ASN LEU GLU VAL LYS CYS SEQRES 5 A 61 CYS THR SER PRO ASP LYS CYS ASN TYR HET UNL A 156 1 HET UNL A 157 1 HETNAM UNL UNKNOWN LIGAND FORMUL 4 HOH *55(H2 O) SHEET 1 AB 2 CYS A 3 SER A 5 0 SHEET 2 AB 2 ILE A 13 THR A 15 -1 O THR A 15 N CYS A 3 SHEET 1 DCE 3 VAL A 34 CYS A 39 0 SHEET 2 DCE 3 CYS A 22 ARG A 27 -1 N TYR A 23 O GLY A 38 SHEET 3 DCE 3 LEU A 48 CYS A 53 -1 O GLU A 49 N SER A 26 SSBOND 1 CYS A 3 CYS A 22 1555 1555 1.98 SSBOND 2 CYS A 17 CYS A 39 1555 1555 1.99 SSBOND 3 CYS A 41 CYS A 52 1555 1555 2.02 SSBOND 4 CYS A 53 CYS A 59 1555 1555 2.03 CISPEP 1 PRO A 30 PRO A 31 0 -3.33 CISPEP 2 SER A 55 PRO A 56 0 -8.82 SITE 1 AC1 3 ARG A 37 TYR A 61 UNL A 157 SITE 1 AC2 1 UNL A 156 CRYST1 48.930 48.930 82.180 90.00 90.00 90.00 P 41 21 2 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 0.020437 0.000000 0.000000 0.00000 SCALE2 0.000000 0.020437 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012168 0.00000