HEADER ELECTRON TRANSPORT 20-DEC-96 5NUL TITLE CLOSTRIDIUM BEIJERINCKII FLAVODOXIN MUTANT: G57T SEMIQUINONE (150K) COMPND MOL_ID: 1; COMPND 2 MOLECULE: FLAVODOXIN; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES; COMPND 6 OTHER_DETAILS: SEMIQUINONE SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CLOSTRIDIUM BEIJERINCKII; SOURCE 3 ORGANISM_TAXID: 1520; SOURCE 4 CELL_LINE: XL1-BLUE; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_CELL_LINE: XL1-BLUE; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_VECTOR: PKK223-3 KEYWDS ELECTRON TRANSPORT, FLAVOPROTEIN, FMN EXPDTA X-RAY DIFFRACTION AUTHOR M.L.LUDWIG,K.A.PATTRIDGE,A.L.METZGER,M.M.DIXON,M.EREN,Y.FENG, AUTHOR 2 R.SWENSON REVDAT 3 03-NOV-21 5NUL 1 REMARK SEQADV REVDAT 2 24-FEB-09 5NUL 1 VERSN REVDAT 1 12-MAR-97 5NUL 0 JRNL AUTH M.L.LUDWIG,K.A.PATTRIDGE,A.L.METZGER,M.M.DIXON,M.EREN, JRNL AUTH 2 Y.FENG,R.P.SWENSON JRNL TITL CONTROL OF OXIDATION-REDUCTION POTENTIALS IN FLAVODOXIN FROM JRNL TITL 2 CLOSTRIDIUM BEIJERINCKII: THE ROLE OF CONFORMATION CHANGES. JRNL REF BIOCHEMISTRY V. 36 1259 1997 JRNL REFN ISSN 0006-2960 JRNL PMID 9063874 JRNL DOI 10.1021/BI962180O REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH M.L.LUDWIG,M.M.DIXON,K.A.PATTRIDGE,R.P.SWENSON REMARK 1 TITL CIS-TRANS ISOMERIZATION OF THE 57-58 PEPTIDE IN CRYSTALLINE REMARK 1 TITL 2 FLAVODOXINS FROM C. BEIJERINCKII REMARK 1 EDIT K.YAGI REMARK 1 REF FLAVINS AND FLAVOPROTEINS 363 1994 REMARK 1 REF 2 1993 : PROCEEDINGS OF THE REMARK 1 REF 3 ELEVENTH INTERNATIONAL REMARK 1 REF 4 SYMPOSIUM, NAGOYA (JAPAN) REMARK 1 REF 5 JULY 27-31, 1993 REMARK 1 PUBL BERLIN : W. DE GRUYTER REMARK 1 REFN ISSN 3-11-014165-5 REMARK 1 REFERENCE 2 REMARK 1 AUTH M.L.LUDWIG,C.L.LUSCHINSKY REMARK 1 TITL STRUCTURE AND REDOX PROPERTIES OF CLOSTRIDIAL FLAVODOXIN REMARK 1 EDIT F.MULLER REMARK 1 REF CHEMISTRY AND BIOCHEMISTRY V. 3 427 1992 REMARK 1 REF 2 OF FLAVOENZYMES REMARK 1 PUBL BOCA RATON : CRC PRESS REMARK 1 REFN REMARK 1 REFERENCE 3 REMARK 1 AUTH M.L.LUDWIG,K.A.PATTRIDGE,M.EREN,R.P.SWENSON REMARK 1 TITL STRUCTURAL CHARACTERIZATION OF SITE MUTANTS OF CLOSTRIDIAL REMARK 1 TITL 2 FLAVODOXIN REMARK 1 EDIT B.CURTI, S.RONCHI, G.ZANETTI REMARK 1 REF FLAVINS AND FLAVOPROTEINS 423 1991 REMARK 1 REF 2 1990 : PROCEEDINGS OF THE REMARK 1 REF 3 TENTH INTERNATIONAL REMARK 1 REF 4 SYMPOSIUM, COMO, ITALY, JULY REMARK 1 REF 5 15-20, 1990 REMARK 1 PUBL BERLIN : W. DE GRUYTER REMARK 1 REFN ISSN 3-11-012373-8 REMARK 1 REFERENCE 4 REMARK 1 AUTH M.L.LUDWIG,L.M.SCHOPFER,A.L.METZGER,K.A.PATTRIDGE,V.MASSEY REMARK 1 TITL STRUCTURE AND OXIDATION-REDUCTION BEHAVIOR OF 1-DEAZA-FMN REMARK 1 TITL 2 FLAVODOXINS: MODULATION OF REDOX POTENTIALS IN FLAVODOXINS REMARK 1 REF BIOCHEMISTRY V. 29 10364 1990 REMARK 1 REFN ISSN 0006-2960 REMARK 1 REFERENCE 5 REMARK 1 AUTH W.W.SMITH,R.M.BURNETT,G.D.DARLING,M.L.LUDWIG REMARK 1 TITL STRUCTURE OF THE SEMIQUINONE FORM OF FLAVODOXIN FROM REMARK 1 TITL 2 CLOSTRIDIUM MP. EXTENSION OF 1.8 A RESOLUTION AND SOME REMARK 1 TITL 3 COMPARISONS WITH THE OXIDIZED STATE REMARK 1 REF J.MOL.BIOL. V. 117 195 1977 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 6 REMARK 1 AUTH M.L.LUDWIG,R.M.BURNETT,G.D.DARLING,S.R.JORDAN,D.S.KENDALL, REMARK 1 AUTH 2 W.W.SMITH REMARK 1 TITL THE STRUCTURE OF CLOSTRIDIUM MP FLAVODOXIN AS A FUNCTION OF REMARK 1 TITL 2 OXIDATION STATE, SOME COMPARISONS OF THE FMN-BINDING SITES REMARK 1 TITL 3 IN OXIDIZED, SEMIQUINONE AND REDUCED FORMS REMARK 1 EDIT T.P.SINGER REMARK 1 REF FLAVINS AND FLAVOPROTEINS 393 1976 REMARK 1 PUBL AMSTERDAM : ELSEVIER SCIENTIFIC PUB. CO. REMARK 1 REFN REMARK 1 REFERENCE 7 REMARK 1 AUTH R.M.BURNETT,G.D.DARLING,D.S.KENDALL,M.E.LEQUESNE,S.G.MAYHEW, REMARK 1 AUTH 2 W.W.SMITH,M.L.LUDWIG REMARK 1 TITL THE STRUCTURE OF THE OXIDIZED FORM OF CLOSTRIDIAL FLAVODOXIN REMARK 1 TITL 2 AT 1.9-A RESOLUTION REMARK 1 REF J.BIOL.CHEM. V. 249 4383 1974 REMARK 1 REFN ISSN 0021-9258 REMARK 1 REFERENCE 8 REMARK 1 AUTH R.D.ANDERSEN,P.A.APGAR,R.M.BURNETT,G.D.DARLING,M.E.LEQUESNE, REMARK 1 AUTH 2 S.G.MAYHEW,M.L.LUDWIG REMARK 1 TITL STRUCTURE OF THE RADICAL FORM OF CLOSTRIDIAL FLAVODOXIN: A REMARK 1 TITL 2 NEW MOLECULAR MODEL REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 69 3189 1972 REMARK 1 REFN ISSN 0027-8424 REMARK 1 REFERENCE 9 REMARK 1 AUTH M.L.LUDWIG,R.D.ANDERSEN,S.G.MAYHEW,V.MASSEY REMARK 1 TITL THE STRUCTURE OF A CLOSTRIDIAL FLAVODOXIN. I. REMARK 1 TITL 2 CRYSTALLOGRAPHIC CHARACTERIZATION OF THE OXIDIZED AND REMARK 1 TITL 3 SEMIQUINONE FORMS REMARK 1 REF J.BIOL.CHEM. V. 244 6047 1969 REMARK 1 REFN ISSN 0021-9258 REMARK 2 REMARK 2 RESOLUTION. 1.60 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.1 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 94.3 REMARK 3 NUMBER OF REFLECTIONS : 18988 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) : 0.183 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 : 1076 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 31 REMARK 3 SOLVENT ATOMS : 186 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 13.14 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) : 0.009 REMARK 3 BOND ANGLES (DEGREES) : 1.445 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 22.84 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.233 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: RESIDUES 55 - 60 WERE REFINED AS REMARK 3 ALTERNATE CONFORMERS. REMARK 4 REMARK 4 5NUL COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000179746. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : DEC-94 REMARK 200 TEMPERATURE (KELVIN) : 150 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : SDMS DETECTOR SYSTEM (NIELSEN) REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 18988 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.600 REMARK 200 RESOLUTION RANGE LOW (A) : 10.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 94.3 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: X-PLOR 3.1 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 49.29 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.43 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 23.26333 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 46.52667 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 46.52667 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 23.26333 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: MONOMERIC 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 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 57 -114.04 41.46 REMARK 500 THR A 57 98.69 -5.46 REMARK 500 GLU A 65 -51.34 -126.06 REMARK 500 ASN A 119 -147.38 56.22 REMARK 500 ASP A 122 -106.08 48.60 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FMN A 139 DBREF 5NUL A 1 138 UNP P00322 FLAV_CLOBE 1 138 SEQADV 5NUL THR A 57 UNP P00322 GLY 57 ENGINEERED MUTATION SEQRES 1 A 138 MET LYS ILE VAL TYR TRP SER GLY THR GLY ASN THR GLU SEQRES 2 A 138 LYS MET ALA GLU LEU ILE ALA LYS GLY ILE ILE GLU SER SEQRES 3 A 138 GLY LYS ASP VAL ASN THR ILE ASN VAL SER ASP VAL ASN SEQRES 4 A 138 ILE ASP GLU LEU LEU ASN GLU ASP ILE LEU ILE LEU GLY SEQRES 5 A 138 CYS SER ALA MET THR ASP GLU VAL LEU GLU GLU SER GLU SEQRES 6 A 138 PHE GLU PRO PHE ILE GLU GLU ILE SER THR LYS ILE SER SEQRES 7 A 138 GLY LYS LYS VAL ALA LEU PHE GLY SER TYR GLY TRP GLY SEQRES 8 A 138 ASP GLY LYS TRP MET ARG ASP PHE GLU GLU ARG MET ASN SEQRES 9 A 138 GLY TYR GLY CYS VAL VAL VAL GLU THR PRO LEU ILE VAL SEQRES 10 A 138 GLN ASN GLU PRO ASP GLU ALA GLU GLN ASP CYS ILE GLU SEQRES 11 A 138 PHE GLY LYS LYS ILE ALA ASN ILE HET FMN A 139 31 HETNAM FMN FLAVIN MONONUCLEOTIDE HETSYN FMN RIBOFLAVIN MONOPHOSPHATE FORMUL 2 FMN C17 H21 N4 O9 P FORMUL 3 HOH *186(H2 O) HELIX 1 1 ASN A 11 GLU A 25 1 15 HELIX 2 2 ILE A 40 ASN A 45 1 6 HELIX 3 3 PHE A 66 LYS A 76 1 11 HELIX 4 4 LYS A 94 TYR A 106 1 13 HELIX 5 5 ASP A 122 ASN A 137 5 16 SHEET 1 A 5 ASN A 31 ASN A 34 0 SHEET 2 A 5 LYS A 2 TRP A 6 1 N ILE A 3 O ASN A 31 SHEET 3 A 5 ILE A 48 CYS A 53 1 N ILE A 50 O LYS A 2 SHEET 4 A 5 LYS A 81 TYR A 88 1 N LYS A 81 O LEU A 49 SHEET 5 A 5 LEU A 115 GLN A 118 1 N LEU A 115 O GLY A 86 SHEET 1 B 2 ALA A 55 GLU A 59 0 SHEET 2 B 2 ALA A 55 GLU A 59 1 N MET A 56 O ALA A 55 SITE 1 AC1 24 SER A 7 GLY A 8 THR A 9 GLY A 10 SITE 2 AC1 24 ASN A 11 THR A 12 ILE A 24 GLU A 25 SITE 3 AC1 24 SER A 54 ALA A 55 MET A 56 THR A 57 SITE 4 AC1 24 ASP A 58 GLU A 59 SER A 87 TYR A 88 SITE 5 AC1 24 GLY A 89 TRP A 90 GLY A 91 ASN A 119 SITE 6 AC1 24 HOH A 174 HOH A 176 HOH A 180 HOH A 190 CRYST1 60.880 60.880 69.790 90.00 90.00 120.00 P 31 2 1 6 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 0.016426 0.009483 0.000000 0.00000 SCALE2 0.000000 0.018967 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014329 0.00000