HEADER ELECTRON TRANSPORT 16-DEC-77 4FXN OBSLTE 12-MAR-97 4FXN 2FOX TITLE STRUCTURE OF THE SEMIQUINONE FORM OF FLAVODOXIN FROM TITLE 2 CLOSTRIDIUM MP. EXTENSION OF 1.8 ANGSTROMS RESOLUTION AND TITLE 3 SOME COMPARISONS WITH THE OXIDIZED STATE COMPND MOL_ID: 1; COMPND 2 MOLECULE:; COMPND 3 CHAIN: NULL; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1 KEYWDS ELECTRON TRANSPORT EXPDTA X-RAY DIFFRACTION AUTHOR M.L.LUDWIG REVDAT 9 31-MAY-84 4FXN 1 REMARK REVDAT 8 31-JAN-84 4FXN 1 REMARK REVDAT 7 30-SEP-83 4FXN 1 REVDAT REVDAT 6 02-MAR-82 4FXN 1 REMARK REVDAT 5 20-APR-81 4FXN 1 HELIX SHEET REVDAT 4 31-DEC-80 4FXN 1 REMARK REVDAT 3 07-APR-80 4FXN 3 ATOM REVDAT 2 05-MAR-80 4FXN 1 SOURCE REVDAT 1 16-MAR-78 4FXN 0 JRNL AUTH W.W.SMITH,R.M.BURNETT,G.D.DARLING,M.L.LUDWIG JRNL TITL STRUCTURE OF THE SEMIQUINONE FORM OF FLAVODOXIN JRNL TITL 2 FROM CLOSTRIDIUM MP. EXTENSION OF 1.8 ANGSTROMS JRNL TITL 3 RESOLUTION AND SOME COMPARISONS WITH THE OXIDIZED JRNL TITL 4 STATE JRNL REF J.MOL.BIOL. V. 117 195 1977 JRNL REFN ASTM JMOBAK UK ISSN 0022-2836 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH M.L.LUDWIG,R.M.BURNETT,G.D.DARLING,S.R.JORDAN, REMARK 1 AUTH 2 D.S.KENDALL,W.W.SMITH REMARK 1 TITL THE STRUCTURE OF CLOSTRIDIUM MP FLAVODOXIN AS A REMARK 1 TITL 2 FUNCTION OF OXIDATION STATE, SOME COMPARISONS OF REMARK 1 TITL 3 THE FMN-BINDING SITES IN OXIDIZED, SEMIQUINONE AND REMARK 1 TITL 4 REDUCED FORMS REMARK 1 EDIT T.P.SINGER REMARK 1 REF FLAVINS AND FLAVOPROTEINS 393 1976 REMARK 1 PUBL ELSEVIER SCIENTIFIC PUBL.CO.,AMSTERDAM REMARK 1 REFN ISBN 0-444-41458-4 REMARK 1 REFERENCE 2 REMARK 1 AUTH S.G.MAYHEW,M.L.LUDWIG REMARK 1 TITL FLAVODOXINS AND ELECTRON-TRANSFERRING FLAVOPROTEINS REMARK 1 EDIT P.D.BOYER REMARK 1 REF THE ENZYMES,THIRD EDITION V. 12 57 1975 REMARK 1 PUBL ACADEMIC PRESS,NEW YORK REMARK 1 REFN ISBN 0-12-122712-X REMARK 1 REFERENCE 3 REMARK 1 AUTH M.L.LUDWIG,R.M.BURNETT,G.D.DARLING,S.R.JORDAN, REMARK 1 AUTH 2 D.S.KENDALL,W.W.SMITH REMARK 1 TITL FLAVIN MONONUCLEOTIDE-PROTEIN INTERACTIONS IN REMARK 1 TITL 2 FLAVODOXIN FROM CLOSTRIDIUM /MP REMARK 1 EDIT M.SUNDARALINGAM, S.T.RAO REMARK 1 REF STRUCTURE AND CONFORMATION 407 1975 REMARK 1 REF 2 OF NUCLEIC ACIDS AND REMARK 1 REF 3 PROTEIN-NUCLEIC ACID REMARK 1 REF 4 INTERACTIONS REMARK 1 PUBL UNIVERSITY PARK PRESS,BALTIMORE,MD. REMARK 1 REFN ISSN 0-8391-0764-1 REMARK 1 REFERENCE 4 REMARK 1 AUTH R.M.BURNETT,G.D.DARLING,D.S.KENDALL,M.E.LEQUESNE, REMARK 1 AUTH 2 S.G.MAYHEW,W.W.SMITH,M.L.LUDWIG REMARK 1 TITL THE STRUCTURE OF THE OXIDIZED FORM OF CLOSTRIDIAL REMARK 1 TITL 2 FLAVODOXIN AT 1.9 ANGSTROMS RESOLUTION REMARK 1 REF J.BIOL.CHEM. V. 249 4383 1974 REMARK 1 REFN ASTM JBCHA3 US ISSN 0021-9258 REMARK 1 REFERENCE 5 REMARK 1 AUTH M.L.LUDWIG,R.D.ANDERSEN,P.A.APGAR,R.M.BURNETT, REMARK 1 AUTH 2 M.E.LEQUESNE,S.G.MAYHEW REMARK 1 TITL THE STRUCTURE OF A CLOSTRIDIAL FLAVODOXIN,AN REMARK 1 TITL 2 ELECTRON-TRANSFERRING FLAVOPROTEIN, III.AN REMARK 1 TITL 3 INTERPRETATION OF AN ELECTRON-DENSITY MAP AT A REMARK 1 TITL 4 NOMINAL RESOLUTION OF 3.25 ANGSTROMS REMARK 1 REF COLD SPRING HARBOR SYMP. V. 36 369 1972 REMARK 1 REF 2 QUANT.BIOL. REMARK 1 REFN ASTM CSHSAZ US ISSN 0091-7451 REMARK 1 REFERENCE 6 REMARK 1 AUTH M.L.LUDWIG,R.D.ANDERSEN,S.G.MAYHEW,V.MASSEY REMARK 1 TITL THE STRUCTURE OF A CLOSTRIDIAL FLAVODOXIN, REMARK 1 TITL 2 I.CRYSTALLOGRAPHIC CHARACTERIZATION OF THE REMARK 1 TITL 3 OXIDIZED AND SEMIQUINONE FORMS REMARK 1 REF J.BIOL.CHEM. V. 244 6047 1969 REMARK 1 REFN ASTM JBCHA3 US ISSN 0021-9258 REMARK 1 REFERENCE 7 REMARK 1 EDIT R.J.FELDMANN REMARK 1 REF ATLAS OF MACROMOLECULAR 382 1976 REMARK 1 REF 2 STRUCTURE ON MICROFICHE REMARK 1 PUBL TRACOR JITCO INC.,ROCKVILLE,MD. REMARK 1 REFN ISBN 0-917934-01-6 REMARK 1 REFERENCE 8 REMARK 1 EDIT M.O.DAYHOFF REMARK 1 REF ATLAS OF PROTEIN SEQUENCE V. 5 74 1976 REMARK 1 REF 2 AND STRUCTURE,SUPPLEMENT 2 REMARK 1 PUBL NATIONAL BIOMEDICAL RESEARCH FOUNDATION, SILVER REMARK 1 PUBL 2 SPRING,MD. REMARK 1 REFN ISSN 0-912466-05-7 REMARK 2 REMARK 2 RESOLUTION. NULL ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : NULL REMARK 3 AUTHORS : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : NULL REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : NULL REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 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 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 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 : 1073 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 31 REMARK 3 SOLVENT ATOMS : 0 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 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) : NULL REMARK 3 BOND ANGLES (DEGREES) : NULL REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL 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: NULL REMARK 4 REMARK 4 4FXN COMPLIES WITH FORMAT V. 2.3, 09-JULY-1998 REMARK 5 REMARK 5 4FXN A WATER MOLECULE IS INTERPOSED BETWEEN LEU-84 AND THR- REMARK 5 113 4FXN AND DISRUPTS THE REGULARITY OF STRANDS 4 AND 5 OF REMARK 5 SHEET S1 4FXN IN THIS REGION. 4FXN REMARK 6 REMARK 6 4FXN TURN IDENTIFIERS 2 AND 3 ARE NOT USED IN THE RECORDS REMARK 6 BELOW 4FXN IN ORDER TO MAINTAIN CORRESPONDENCE WITH THE REMARK 6 DESCRIPTION 4FXN OF THE OXIDIZED FORM OF THE MOLECULE. 4FXN REMARK 7 REMARK 7 4FXN SITE FMN COMPRISES THOSE RESIDUES WHICH INTERACT WITH REMARK 7 THE 4FXN FMN PROSTHETIC GROUP. 4FXN REMARK 8 REMARK 8 4FXN CORRECTION. STANDARDIZE FORMAT OF SOURCE RECORD. 4FXN REMARK 8 05-MAR-80. 4FXN REMARK 9 REMARK 9 4FXN CORRECTION. STANDARDIZE NOMENCLATURE TO FOLLOW IUPAC- REMARK 9 IUB 4FXN RECOMMENDATIONS. INTERCHANGE CD1 AND CD2 FOR REMARK 9 LEUCINES 4FXN 18, 43, 44, 49, 51, 61, 84, 115. INTERCHANGE REMARK 9 CG1 AND CG2 4FXN FOR VALINES 4, 30, 35, 38, 60, 82, 109, REMARK 9 110, 111, 117. 4FXN 07-APR-80. 4FXN REMARK 10 REMARK 10 4FXN CORRECTION. STANDARDIZE FORMAT OF REMARK 2. 31-DEC-80. REMARK 10 4FXN REMARK 11 REMARK 11 4FXN CORRECTION. CORRECT RESIDUE IDENTIFICATION ON HELIX 1 REMARK 11 AND 4FXN STRAND 3 OF SHEET 1 RECORDS. 20-APR-81. 4FXN REMARK 12 REMARK 12 4FXN CORRECTION. CHANGE CODENS FOR REFERENCES 1, 2, 3. 4FXN REMARK 12 02-MAR-82. 4FXN REMARK 13 REMARK 13 4FXN CORRECTION. INSERT REVDAT RECORDS. 30-SEP-83. 4FXN REMARK 14 REMARK 14 4FXN CORRECTION. CORRECT CODEN FOR REFERENCE 2. 31-JAN-84. REMARK 14 4FXN REMARK 15 REMARK 15 4FXN CORRECTION. CORRECT ISSN FOR REFERENCE 5. 31-MAY-84. REMARK 15 4FXN 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 (%): 51.50 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.54 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,1/3+Z REMARK 290 3555 -X+Y,-X,2/3+Z REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,2/3-Z REMARK 290 6555 -X,-X+Y,1/3-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 -0.500000 -0.866033 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866018 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 23.66080 REMARK 290 SMTRY1 3 -0.500000 0.866033 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866018 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 47.32160 REMARK 290 SMTRY1 4 0.500000 0.866033 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866018 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 0.500000 -0.866033 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866018 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 47.32160 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 6 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 23.66080 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1 REMARK 300 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT REMARK 300 WHICH CONSISTS OF 1 CHAIN(S). SEE REMARK 350 FOR REMARK 300 INFORMATION ON GENERATING THE BIOLOGICAL MOLECULE(S). REMARK 350 REMARK 350 GENERATING THE BIOMOLECULE 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 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 OD2 ASP 41 OD2 ASP 41 6765 2.13 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: ENGH AND HUBER, 1991 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 GLU 42 CA - C - O ANGL. DEV. =-13.9 DEGREES 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 M RES CSSEQI PSI PHI REMARK 500 LEU 43 -47.83 113.40 SEQRES 1 138 MET LYS ILE VAL TYR TRP SER GLY THR GLY ASN THR GLU SEQRES 2 138 LYS MET ALA GLU LEU ILE ALA LYS GLY ILE ILE GLU SER SEQRES 3 138 GLY LYS ASP VAL ASN THR ILE ASN VAL SER ASP VAL ASN SEQRES 4 138 ILE ASP GLU LEU LEU ASN GLU ASP ILE LEU ILE LEU GLY SEQRES 5 138 CYS SER ALA MET GLY ASP GLU VAL LEU GLU GLU SER GLU SEQRES 6 138 PHE GLU PRO PHE ILE GLU GLU ILE SER THR LYS ILE SER SEQRES 7 138 GLY LYS LYS VAL ALA LEU PHE GLY SER TYR GLY TRP GLY SEQRES 8 138 ASP GLY LYS TRP MET ARG ASP PHE GLU GLU ARG MET ASN SEQRES 9 138 GLY TYR GLY CYS VAL VAL VAL GLU THR PRO LEU ILE VAL SEQRES 10 138 GLN ASN GLU PRO ASP GLU ALA GLU GLN ASP CYS ILE GLU SEQRES 11 138 PHE GLY LYS LYS ILE ALA ASN ILE FTNOTE 1 THESE ATOMS ARE NOT WELL PLACED IN DENSITY. HET FMN 1 31 HETNAM FMN FLAVIN MONONUCLEOTIDE HETSYN FMN RIBOFLAVIN MONOPHOSPHATE FORMUL 2 FMN C17 H21 N4 O9 P HELIX 1 1 GLY 10 GLY 27 1 18 HELIX 2 2 GLU 65 ILE 73 1 9 HELIX 3 3 GLY 93 ASN 104 1 12 HELIX 4 4 ALA 124 ALA 136 1 13 SHEET 1 1 5 ASP 29 VAL 35 0 SHEET 2 1 5 MET 1 TYR 5 1 N MET 1 O ASP 29 SHEET 3 1 5 LEU 49 CYS 53 1 N ILE 50 O LYS 2 SHEET 4 1 5 LYS 80 TYR 88 1 O LYS 81 N LEU 49 SHEET 5 1 5 VAL 109 ASN 119 1 N VAL 109 O LYS 80 TURN 1 1 ASN 34 ASP 37 TURN 2 4 LEU 43 GLU 46 TURN 3 5 MET 56 GLU 59 GLU 59 N H-BONDS TO FMN O4 TURN 4 6 ILE 77 LYS 80 TURN 5 7 PRO 121 ALA 124 SITE 1 FMN 17 SER 7 GLY 8 THR 9 GLY 10 SITE 2 FMN 17 ASN 11 THR 12 SER 54 ALA 55 SITE 3 FMN 17 MET 56 GLY 57 ASP 58 GLU 59 SITE 4 FMN 17 SER 87 TYR 88 GLY 89 TRP 90 SITE 5 FMN 17 GLY 91 CRYST1 61.630 61.630 70.980 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 0.018736 0.000000 0.000000 0.00000 SCALE2 0.009368 0.016226 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014088 0.00000