HEADER ELECTRON TRANSPORT 11-NOV-04 1XYV TITLE LOW TEMPERATURE (100K) CRYSTAL STRUCTURE OF FLAVODOXIN MUTANT S64C, TITLE 2 MONOMER, SEMIQUINONE STATE COMPND MOL_ID: 1; COMPND 2 MOLECULE: FLAVODOXIN; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: DESULFOVIBRIO VULGARIS; SOURCE 3 ORGANISM_TAXID: 881; SOURCE 4 EXPRESSION_SYSTEM: DESULFOVIBRIO VULGARIS; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 881; SOURCE 6 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 7 EXPRESSION_SYSTEM_PLASMID: PT7 KEYWDS FLAVODOXIN, S64C MUTANT, ENGINEERED, ELECTRON TRANSPORT EXPDTA X-RAY DIFFRACTION AUTHOR R.ARTALI,N.MARCHINI,F.MENEGHETTI,D.CAVAZZINI,G.BOMBIERI,G.L.ROSSI, AUTHOR 2 G.GILARDI REVDAT 6 25-OCT-23 1XYV 1 REMARK REVDAT 5 10-NOV-21 1XYV 1 REMARK SEQADV REVDAT 4 22-DEC-10 1XYV 1 JRNL REVDAT 3 24-FEB-09 1XYV 1 VERSN REVDAT 2 01-MAR-05 1XYV 1 TITLE REVDAT 1 07-DEC-04 1XYV 0 JRNL AUTH A.FANTUZZI,R.ARTALI,G.BOMBIERI,N.MARCHINI,F.MENEGHETTI, JRNL AUTH 2 G.GILARDI,S.J.SADEGHI,D.CAVAZZINI,G.L.ROSSI JRNL TITL REDOX PROPERTIES AND CRYSTAL STRUCTURES OF A DESULFOVIBRIO JRNL TITL 2 VULGARIS FLAVODOXIN MUTANT IN THE MONOMERIC AND HOMODIMERIC JRNL TITL 3 FORMS. JRNL REF BIOCHIM.BIOPHYS.ACTA V.1794 496 2009 JRNL REFN ISSN 0006-3002 JRNL PMID 19118653 JRNL DOI 10.1016/J.BBAPAP.2008.11.026 REMARK 2 REMARK 2 RESOLUTION. 1.79 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.79 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.24 REMARK 3 DATA CUTOFF (SIGMA(F)) : 10.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1392030.300 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 56.7 REMARK 3 NUMBER OF REFLECTIONS : 9929 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.146 REMARK 3 FREE R VALUE : 0.237 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.300 REMARK 3 FREE R VALUE TEST SET COUNT : 1019 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.007 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.79 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.90 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 14.50 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 370 REMARK 3 BIN R VALUE (WORKING SET) : 0.1460 REMARK 3 BIN FREE R VALUE : 0.2170 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 9.50 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 39 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.035 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 : 31 REMARK 3 SOLVENT ATOMS : 159 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 6.20 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 23.00 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 2.55000 REMARK 3 B22 (A**2) : 2.55000 REMARK 3 B33 (A**2) : -5.10000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.16 REMARK 3 ESD FROM SIGMAA (A) : -0.0 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.23 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.09 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.033 REMARK 3 BOND ANGLES (DEGREES) : 2.800 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.60 REMARK 3 IMPROPER ANGLES (DEGREES) : 2.700 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.560 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.210 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.660 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.630 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.38 REMARK 3 BSOL : 41.44 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : FMN.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : FMN.TOP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1XYV COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 16-NOV-04. REMARK 100 THE DEPOSITION ID IS D_1000030916. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 12-DEC-03 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ELETTRA REMARK 200 BEAMLINE : 5.2R REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.00000 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 11117 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.700 REMARK 200 RESOLUTION RANGE LOW (A) : 19.240 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 11.20 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.08800 REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.79 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.9 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.74800 REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: 1J9G REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 60.56 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.12 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULPHATE, PH 7.0, VAPOR REMARK 280 DIFFUSION, SITTING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 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+3/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+3/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+1/4 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 68.51500 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 25.24500 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 25.24500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 102.77250 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 25.24500 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 25.24500 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 34.25750 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 25.24500 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 25.24500 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 102.77250 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 25.24500 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 25.24500 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 34.25750 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 68.51500 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 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 MET A 1 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 OD1 ASP A 34 O HOH A 211 2.10 REMARK 500 REMARK 500 REMARK: NULL 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 282 O HOH A 303 5444 1.67 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 SER A 40 CB SER A 40 OG 0.096 REMARK 500 GLY A 94 C GLY A 94 O 0.112 REMARK 500 TYR A 100 CD1 TYR A 100 CE1 0.110 REMARK 500 TYR A 100 CE1 TYR A 100 CZ -0.085 REMARK 500 ARG A 145 CG ARG A 145 CD 0.195 REMARK 500 ARG A 145 CZ ARG A 145 NH1 0.112 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 CYS A 93 CA - CB - SG ANGL. DEV. = -11.8 DEGREES REMARK 500 ASP A 95 CB - CG - OD1 ANGL. DEV. = 6.4 DEGREES REMARK 500 ASP A 95 CB - CG - OD2 ANGL. DEV. = -8.1 DEGREES REMARK 500 ARG A 125 NE - CZ - NH2 ANGL. DEV. = -3.4 DEGREES REMARK 500 ARG A 134 NE - CZ - NH2 ANGL. DEV. = -3.1 DEGREES REMARK 500 ASP A 135 CB - CG - OD2 ANGL. DEV. = -7.4 DEGREES REMARK 500 ARG A 145 NE - CZ - NH1 ANGL. DEV. = 5.4 DEGREES REMARK 500 ARG A 145 NE - CZ - NH2 ANGL. DEV. = -8.1 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 ASP A 62 -69.45 -120.19 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 149 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1WSB RELATED DB: PDB REMARK 900 THE SAME PROTEIN IN THE SEMIREDUCED FORM AT 1.80 A REMARK 900 RELATED ID: 1WSW RELATED DB: PDB REMARK 900 THE SAME PROTEIN IN THE SEMIREDUCED FORM AT 1.69 A REMARK 900 RELATED ID: 1XYY RELATED DB: PDB REMARK 900 THE SAME PROTEIN IN THE SEMIREDUCED FORM AT 1.70 A REMARK 999 REMARK 999 SEQUENCE REMARK 999 THE AUTHORS MAINTAIN THAT RESIDUE 2 IS ALA AND NOT PRO. DBREF 1XYV A 1 148 UNP P00323 FLAV_DESVH 1 148 SEQADV 1XYV ALA A 2 UNP P00323 PRO 2 SEE REMARK 999 SEQADV 1XYV CYS A 64 UNP P00323 SER 64 ENGINEERED MUTATION SEQRES 1 A 148 MET ALA LYS ALA LEU ILE VAL TYR GLY SER THR THR GLY SEQRES 2 A 148 ASN THR GLU TYR THR ALA GLU THR ILE ALA ARG GLU LEU SEQRES 3 A 148 ALA ASP ALA GLY TYR GLU VAL ASP SER ARG ASP ALA ALA SEQRES 4 A 148 SER VAL GLU ALA GLY GLY LEU PHE GLU GLY PHE ASP LEU SEQRES 5 A 148 VAL LEU LEU GLY CYS SER THR TRP GLY ASP ASP CYS ILE SEQRES 6 A 148 GLU LEU GLN ASP ASP PHE ILE PRO LEU PHE ASP SER LEU SEQRES 7 A 148 GLU GLU THR GLY ALA GLN GLY ARG LYS VAL ALA CYS PHE SEQRES 8 A 148 GLY CYS GLY ASP SER SER TYR GLU TYR PHE CYS GLY ALA SEQRES 9 A 148 VAL ASP ALA ILE GLU GLU LYS LEU LYS ASN LEU GLY ALA SEQRES 10 A 148 GLU ILE VAL GLN ASP GLY LEU ARG ILE ASP GLY ASP PRO SEQRES 11 A 148 ARG ALA ALA ARG ASP ASP ILE VAL GLY TRP ALA HIS ASP SEQRES 12 A 148 VAL 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 *159(H2 O) HELIX 1 1 GLY A 13 ALA A 29 1 17 HELIX 2 2 ALA A 39 VAL A 41 5 3 HELIX 3 3 ASP A 70 SER A 77 1 8 HELIX 4 4 LEU A 78 THR A 81 5 4 HELIX 5 5 CYS A 102 LEU A 115 1 14 HELIX 6 6 ASP A 129 ALA A 132 5 4 HELIX 7 7 ALA A 133 ILE A 148 1 16 SHEET 1 A 5 GLU A 32 ASP A 37 0 SHEET 2 A 5 LYS A 3 GLY A 9 1 N ILE A 6 O ARG A 36 SHEET 3 A 5 LEU A 52 CYS A 57 1 O LEU A 54 N LEU A 5 SHEET 4 A 5 LYS A 87 GLY A 94 1 O PHE A 91 N LEU A 55 SHEET 5 A 5 GLU A 118 ILE A 119 1 O GLU A 118 N VAL A 88 SHEET 1 B 5 GLU A 32 ASP A 37 0 SHEET 2 B 5 LYS A 3 GLY A 9 1 N ILE A 6 O ARG A 36 SHEET 3 B 5 LEU A 52 CYS A 57 1 O LEU A 54 N LEU A 5 SHEET 4 B 5 LYS A 87 GLY A 94 1 O PHE A 91 N LEU A 55 SHEET 5 B 5 LEU A 124 ASP A 127 1 O ILE A 126 N GLY A 92 SHEET 1 C 2 THR A 59 TRP A 60 0 SHEET 2 C 2 GLU A 66 LEU A 67 -1 O GLU A 66 N TRP A 60 SITE 1 AC1 22 SER A 10 THR A 11 THR A 12 GLY A 13 SITE 2 AC1 22 ASN A 14 THR A 15 ASP A 28 SER A 58 SITE 3 AC1 22 THR A 59 TRP A 60 GLY A 61 CYS A 93 SITE 4 AC1 22 GLY A 94 ASP A 95 TYR A 98 TYR A 100 SITE 5 AC1 22 PHE A 101 CYS A 102 HOH A 150 HOH A 164 SITE 6 AC1 22 HOH A 165 HOH A 270 CRYST1 50.490 50.490 137.030 90.00 90.00 90.00 P 43 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 0.019806 0.000000 0.000000 0.00000 SCALE2 0.000000 0.019806 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007298 0.00000