1AKR - Header Asymmetric Unit

HEADER ELECTRON TRANSPORT 27-MAY-97 1AKR

TITLE G61A OXIDIZED FLAVODOXIN MUTANT

COMPND MOL_ID: 1; COMPND 2 MOLECULE: FLAVODOXIN; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES; COMPND 6 OTHER_DETAILS: OXIDIZED

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: DESULFOVIBRIO VULGARIS SUBSP. VULGARIS STR. SOURCE 3 HILDENBOROUGH; SOURCE 4 ORGANISM_TAXID: 882; SOURCE 5 STRAIN: HILDENBOROUGH; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: TG2; SOURCE 9 OTHER_DETAILS: SULFUR REDUCING BACTERIA

KEYWDS ELECTRON TRANSPORT, ELECTRON TRANSFER, FLAVOPROTEIN, FMN, FLAVODOXIN, KEYWDS 2 MUTANT

EXPDTA X-RAY DIFFRACTION

AUTHOR A.MCCARTHY,M.WALSH,T.HIGGINS

REVDAT 5 16-NOV-11 1AKR 1 VERSN HETATM REVDAT 4 24-FEB-09 1AKR 1 VERSN REVDAT 3 01-APR-03 1AKR 1 JRNL REVDAT 2 12-APR-99 1AKR 1 JRNL REMARK REVDAT 1 27-MAY-98 1AKR 0

JRNL AUTH P.A.O'FARRELL,M.A.WALSH,A.A.MCCARTHY,T.M.HIGGINS,G.VOORDOUW, JRNL AUTH 2 S.G.MAYHEW JRNL TITL MODULATION OF THE REDOX POTENTIALS OF FMN IN DESULFOVIBRIO JRNL TITL 2 VULGARIS FLAVODOXIN: THERMODYNAMIC PROPERTIES AND CRYSTAL JRNL TITL 3 STRUCTURES OF GLYCINE-61 MUTANTS. JRNL REF BIOCHEMISTRY V. 37 8405 1998 JRNL REFN ISSN 0006-2960 JRNL PMID 9622492 JRNL DOI 10.1021/BI973193K

REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH A.MCCARTHY REMARK 1 TITL X-RAY CRYSTALLOGRAPHIC STUDIES ON THE FLAVIN BINDING SITE OF REMARK 1 TITL 2 FLAVODOXIN FROM DESULFOVIBRIO VULGARIS REMARK 1 PUBL DUBLIN : NATIONAL UNIVERSITY OF IRELAND (THESIS) REMARK 1 REFN REMARK 1 REFERENCE 2 REMARK 1 AUTH W.WATT,A.TULINSKY,R.P.SWENSON,K.D.WATENPAUGH REMARK 1 TITL COMPARISON OF THE CRYSTAL STRUCTURES OF A FLAVODOXIN IN ITS REMARK 1 TITL 2 THREE OXIDATION STATES AT CRYOGENIC TEMPERATURES REMARK 1 REF J.MOL.BIOL. V. 218 195 1991 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 3 REMARK 1 AUTH G.D.KREY,E.F.VANIN,R.P.SWENSON REMARK 1 TITL CLONING,NUCLEOTIDE SEQUENCE,AND EXPRESSION OF THE FLAVODOXIN REMARK 1 TITL 2 GENE FROM DESULFOVIBRIO VULGARIS (HILDENBOROUGH) REMARK 1 REF J.BIOL.CHEM. V. 263 15436 1988 REMARK 1 REFN ISSN 0021-9258 REMARK 1 REFERENCE 4 REMARK 1 AUTH G.P.CURLEY,G.VOORDOUW REMARK 1 TITL CLONING AND SEQUENCING OF THE GENE ENCODING FLAVODOXIN FROM REMARK 1 TITL 2 DESULFOVIBRIO VULGARIS HILDENBOROUGH REMARK 1 REF FEMS MICROBIOL.LETT. V. 49 295 1988 REMARK 1 REFN ISSN 0378-1097 REMARK 1 REFERENCE 5 REMARK 1 AUTH K.D.WATENPAUGH,L.C.SIEKER,L.H.JENSEN,J.LEGALL,M.DUBOURDIEU REMARK 1 TITL STRUCTURE OF THE OXIDIZED FORM OF A FLAVODOXIN AT REMARK 1 TITL 2 2.5-ANGSTROM RESOLUTION:RESOLUTION OF THE PHASE AMBIGUITY BY REMARK 1 TITL 3 ANOMALOUS SCATTERING REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 69 3185 1972 REMARK 1 REFN ISSN 0027-8424

REMARK 2 REMARK 2 RESOLUTION. 1.58 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) : 1.58 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 40.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 98.9 REMARK 3 NUMBER OF REFLECTIONS : 92144 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) : NULL REMARK 3 R VALUE (WORKING SET) : 0.184 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) : 0.1840 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) : 92144 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1105 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 31 REMARK 3 SOLVENT ATOMS : 110 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 19.72 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 25.96 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) : 0.15 REMARK 3 ESD FROM SIGMAA (A) : 0.17 REMARK 3 LOW RESOLUTION CUTOFF (A) : 40.00 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.009 ; 0.020 REMARK 3 ANGLE DISTANCE (A) : 0.031 ; 0.050 REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : 0.033 ; 0.040 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) : 0.131 ; 0.150 REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : 0.180 ; 0.300 REMARK 3 MULTIPLE TORSION (A) : 0.260 ; 0.300 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) : 1.820 ; 3.000 REMARK 3 STAGGERED (DEGREES) : 17.100; 15.000 REMARK 3 TRANSVERSE (DEGREES) : 25.000; 20.000 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 1AKR 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 : AUG-95 REMARK 200 TEMPERATURE (KELVIN) : 293 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : EMBL/DESY, HAMBURG REMARK 200 BEAMLINE : X11 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.93 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 24403 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.580 REMARK 200 RESOLUTION RANGE LOW (A) : 40.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.9 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.36000 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 19.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.56 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.58 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 2.00 REMARK 200 R MERGE FOR SHELL (I) : 0.33400 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 1.600 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 52.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.64 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 60-70% AMMONIUM SULFATE, 100MM TRIS- REMARK 280 HCL, PH 7.0

REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z REMARK 290 3555 -X+1/2,Y+1/2,-Z 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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 28.24650 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 43.99500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 28.24650 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 43.99500 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: 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 160 LIES ON A SPECIAL POSITION.

REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH A 210 O HOH A 255 4456 2.01 REMARK 500 O HOH A 233 O HOH A 233 2565 2.07 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 ASP A 28 CB - CG - OD1 ANGL. DEV. = 5.4 DEGREES REMARK 500 CYS A 57 N - CA - CB ANGL. DEV. = -16.4 DEGREES REMARK 500 ALA A 89 N - CA - CB ANGL. DEV. = 8.8 DEGREES REMARK 500 REMARK 500 REMARK: NULL

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 225 DISTANCE = 7.57 ANGSTROMS REMARK 525 HOH A 255 DISTANCE = 6.18 ANGSTROMS

REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: FMN REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: FMN CO-FACTOR. REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FMN A 149

DBREF 1AKR A 2 148 UNP P00323 FLAV_DESVH 2 148

SEQADV 1AKR ALA A 61 UNP P00323 GLY 61 ENGINEERED

SEQRES 1 A 147 PRO LYS ALA LEU ILE VAL TYR GLY SER THR THR GLY ASN SEQRES 2 A 147 THR GLU TYR THR ALA GLU THR ILE ALA ARG GLU LEU ALA SEQRES 3 A 147 ASP ALA GLY TYR GLU VAL ASP SER ARG ASP ALA ALA SER SEQRES 4 A 147 VAL GLU ALA GLY GLY LEU PHE GLU GLY PHE ASP LEU VAL SEQRES 5 A 147 LEU LEU GLY CYS SER THR TRP ALA ASP ASP SER ILE GLU SEQRES 6 A 147 LEU GLN ASP ASP PHE ILE PRO LEU PHE ASP SER LEU GLU SEQRES 7 A 147 GLU THR GLY ALA GLN GLY ARG LYS VAL ALA CYS PHE GLY SEQRES 8 A 147 CYS GLY ASP SER SER TYR GLU TYR PHE CYS GLY ALA VAL SEQRES 9 A 147 ASP ALA ILE GLU GLU LYS LEU LYS ASN LEU GLY ALA GLU SEQRES 10 A 147 ILE VAL GLN ASP GLY LEU ARG ILE ASP GLY ASP PRO ARG SEQRES 11 A 147 ALA ALA ARG ASP ASP ILE VAL GLY TRP ALA HIS ASP VAL SEQRES 12 A 147 ARG GLY ALA ILE

HET FMN A 149 31

HETNAM FMN FLAVIN MONONUCLEOTIDE

HETSYN FMN RIBOFLAVIN MONOPHOSPHATE

FORMUL 2 FMN C17 H21 N4 O9 P FORMUL 3 HOH *110(H2 O)

HELIX 1 1 ASN A 14 ALA A 29 1 16 HELIX 2 2 ALA A 38 SER A 40 5 3 HELIX 3 3 ASP A 69 GLU A 80 1 12 HELIX 4 4 GLY A 103 ASN A 114 1 12 HELIX 5 5 PRO A 130 GLY A 146 5 17

SHEET 1 A 5 GLU A 32 ASP A 37 0 SHEET 2 A 5 LYS A 3 GLY A 9 1 N ALA A 4 O GLU A 32 SHEET 3 A 5 LEU A 52 CYS A 57 1 N LEU A 52 O LEU A 5 SHEET 4 A 5 VAL A 88 GLY A 94 1 N ALA A 89 O VAL A 53 SHEET 5 A 5 LEU A 124 ASP A 127 1 N LEU A 124 O GLY A 92

SITE 1 FMN 1 FMN A 149 SITE 1 AC1 20 SER A 10 THR A 11 THR A 12 GLY A 13 SITE 2 AC1 20 ASN A 14 THR A 15 GLY A 44 SER A 58 SITE 3 AC1 20 THR A 59 TRP A 60 ALA A 61 CYS A 93 SITE 4 AC1 20 GLY A 94 ASP A 95 TYR A 98 TYR A 100 SITE 5 AC1 20 PHE A 101 CYS A 102 HOH A 153 HOH A 174

CRYST1 56.493 87.990 35.084 90.00 90.00 90.00 P 21 21 2 4

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 0.017701 0.000000 0.000000 0.00000

SCALE2 0.000000 0.011365 0.000000 0.00000

SCALE3 0.000000 0.000000 0.028503 0.00000