HEADER OXIDOREDUCTASE 06-DEC-14 3X22 TITLE CRYSTAL STRUCTURE OF ESCHERICHIA COLI NITROREDUCTASE NFSB MUTANT TITLE 2 N71S/F123A/F124W COMPND MOL_ID: 1; COMPND 2 MOLECULE: OXYGEN-INSENSITIVE NAD(P)H NITROREDUCTASE; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: DIHYDROPTERIDINE REDUCTASE, FMN-DEPENDENT NITROREDUCTASE; COMPND 5 EC: 1.5.1.34; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI K-12; SOURCE 3 ORGANISM_TAXID: 83333; SOURCE 4 GENE: NFNB, DPRA, NFSB, NFSI, NTR; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PET28(A) KEYWDS NITROREDUCTASE, REGIOSELECTIVITY, PRODRUG ACTIVATION, CB1954, KEYWDS 2 OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR J.BAI,J.YANG,Y.ZHOU,Q.YANG REVDAT 2 08-NOV-23 3X22 1 REMARK SEQADV REVDAT 1 18-NOV-15 3X22 0 JRNL AUTH J.BAI,J.YANG,Y.ZHOU,Q.YANG JRNL TITL STRUCTURAL BASIS OF ESCHERICHIA COLI NITROREDUCTASE NFSB JRNL TITL 2 TRIPLE MUTANTS ENGINEERED FOR IMPROVED ACTIVITY AND JRNL TITL 3 REGIOSELECTIVITY TOWARD THE PRODRUG CB1954 JRNL REF PROCESS BIOCHEM V. 50 1760 2015 JRNL REFN ISSN 1359-5113 JRNL DOI 10.1016/J.PROCBIO.2015.08.012 REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: 1.9_1692) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 38.73 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.390 REMARK 3 COMPLETENESS FOR RANGE (%) : 94.5 REMARK 3 NUMBER OF REFLECTIONS : 29008 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.209 REMARK 3 R VALUE (WORKING SET) : 0.206 REMARK 3 FREE R VALUE : 0.242 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 6.890 REMARK 3 FREE R VALUE TEST SET COUNT : 2000 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 38.7350 - 4.8201 0.98 2242 166 0.2160 0.2380 REMARK 3 2 4.8201 - 3.8270 1.00 2093 155 0.1732 0.1763 REMARK 3 3 3.8270 - 3.3435 0.99 2054 152 0.1858 0.2309 REMARK 3 4 3.3435 - 3.0380 0.98 2023 150 0.1978 0.2299 REMARK 3 5 3.0380 - 2.8203 0.96 1959 146 0.2108 0.2580 REMARK 3 6 2.8203 - 2.6540 0.95 1921 142 0.2166 0.2852 REMARK 3 7 2.6540 - 2.5212 0.94 1896 140 0.2252 0.2751 REMARK 3 8 2.5212 - 2.4114 0.93 1876 139 0.2225 0.2770 REMARK 3 9 2.4114 - 2.3186 0.93 1871 138 0.2209 0.2865 REMARK 3 10 2.3186 - 2.2386 0.93 1834 136 0.2155 0.2531 REMARK 3 11 2.2386 - 2.1686 0.93 1852 138 0.2162 0.2424 REMARK 3 12 2.1686 - 2.1066 0.93 1853 136 0.2198 0.2517 REMARK 3 13 2.1066 - 2.0512 0.93 1860 138 0.2376 0.2751 REMARK 3 14 2.0512 - 2.0011 0.84 1674 124 0.2567 0.3189 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.200 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 21.270 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 25.70 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.005 3494 REMARK 3 ANGLE : 0.685 4746 REMARK 3 CHIRALITY : 0.044 532 REMARK 3 PLANARITY : 0.003 600 REMARK 3 DIHEDRAL : 13.474 1254 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 3X22 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 10-DEC-14. REMARK 100 THE DEPOSITION ID IS D_1000097080. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 08-JUN-14 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 4.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRF REMARK 200 BEAMLINE : BL17U REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9 REMARK 200 MONOCHROMATOR : DOUBLE CRYSTAL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 29125 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.3 REMARK 200 DATA REDUNDANCY : 8.900 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) : 2.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.03 REMARK 200 COMPLETENESS FOR SHELL (%) : 93.4 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: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: 1DS7 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 40.63 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.07 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M SODIUM ACETATE TRIHYDRATE, REMARK 280 2%(V/V) TACSIMATE, 16%(W/V) POLYETHYLENE GLYCOL 3350, PH 4.6, REMARK 280 VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 277K 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 131.80550 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 28.53750 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 28.53750 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 65.90275 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 28.53750 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 28.53750 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 197.70825 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 28.53750 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 28.53750 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 65.90275 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 28.53750 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 28.53750 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 197.70825 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 131.80550 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 8780 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 17360 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -48.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 -19 REMARK 465 GLY A -18 REMARK 465 SER A -17 REMARK 465 SER A -16 REMARK 465 HIS A -15 REMARK 465 HIS A -14 REMARK 465 HIS A -13 REMARK 465 HIS A -12 REMARK 465 HIS A -11 REMARK 465 HIS A -10 REMARK 465 SER A -9 REMARK 465 SER A -8 REMARK 465 GLY A -7 REMARK 465 LEU A -6 REMARK 465 VAL A -5 REMARK 465 PRO A -4 REMARK 465 ARG A -3 REMARK 465 GLY A -2 REMARK 465 SER A -1 REMARK 465 HIS A 0 REMARK 465 MET B -19 REMARK 465 GLY B -18 REMARK 465 SER B -17 REMARK 465 SER B -16 REMARK 465 HIS B -15 REMARK 465 HIS B -14 REMARK 465 HIS B -13 REMARK 465 HIS B -12 REMARK 465 HIS B -11 REMARK 465 HIS B -10 REMARK 465 SER B -9 REMARK 465 SER B -8 REMARK 465 GLY B -7 REMARK 465 LEU B -6 REMARK 465 VAL B -5 REMARK 465 PRO B -4 REMARK 465 ARG B -3 REMARK 465 GLY B -2 REMARK 465 SER B -1 REMARK 465 HIS B 0 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 ALA A 64 42.43 -97.63 REMARK 500 ASP A 131 -61.87 -99.95 REMARK 500 LEU A 186 -53.98 -122.94 REMARK 500 TYR B 68 52.29 -144.69 REMARK 500 LEU B 186 -50.75 -122.87 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 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FMN B 301 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1DS7 RELATED DB: PDB REMARK 900 RELATED ID: 3X21 RELATED DB: PDB DBREF 3X22 A 1 217 UNP P38489 NFNB_ECOLI 1 217 DBREF 3X22 B 1 217 UNP P38489 NFNB_ECOLI 1 217 SEQADV 3X22 MET A -19 UNP P38489 EXPRESSION TAG SEQADV 3X22 GLY A -18 UNP P38489 EXPRESSION TAG SEQADV 3X22 SER A -17 UNP P38489 EXPRESSION TAG SEQADV 3X22 SER A -16 UNP P38489 EXPRESSION TAG SEQADV 3X22 HIS A -15 UNP P38489 EXPRESSION TAG SEQADV 3X22 HIS A -14 UNP P38489 EXPRESSION TAG SEQADV 3X22 HIS A -13 UNP P38489 EXPRESSION TAG SEQADV 3X22 HIS A -12 UNP P38489 EXPRESSION TAG SEQADV 3X22 HIS A -11 UNP P38489 EXPRESSION TAG SEQADV 3X22 HIS A -10 UNP P38489 EXPRESSION TAG SEQADV 3X22 SER A -9 UNP P38489 EXPRESSION TAG SEQADV 3X22 SER A -8 UNP P38489 EXPRESSION TAG SEQADV 3X22 GLY A -7 UNP P38489 EXPRESSION TAG SEQADV 3X22 LEU A -6 UNP P38489 EXPRESSION TAG SEQADV 3X22 VAL A -5 UNP P38489 EXPRESSION TAG SEQADV 3X22 PRO A -4 UNP P38489 EXPRESSION TAG SEQADV 3X22 ARG A -3 UNP P38489 EXPRESSION TAG SEQADV 3X22 GLY A -2 UNP P38489 EXPRESSION TAG SEQADV 3X22 SER A -1 UNP P38489 EXPRESSION TAG SEQADV 3X22 HIS A 0 UNP P38489 EXPRESSION TAG SEQADV 3X22 SER A 71 UNP P38489 ASN 71 ENGINEERED MUTATION SEQADV 3X22 ALA A 123 UNP P38489 PHE 123 ENGINEERED MUTATION SEQADV 3X22 TRP A 124 UNP P38489 PHE 124 ENGINEERED MUTATION SEQADV 3X22 MET B -19 UNP P38489 EXPRESSION TAG SEQADV 3X22 GLY B -18 UNP P38489 EXPRESSION TAG SEQADV 3X22 SER B -17 UNP P38489 EXPRESSION TAG SEQADV 3X22 SER B -16 UNP P38489 EXPRESSION TAG SEQADV 3X22 HIS B -15 UNP P38489 EXPRESSION TAG SEQADV 3X22 HIS B -14 UNP P38489 EXPRESSION TAG SEQADV 3X22 HIS B -13 UNP P38489 EXPRESSION TAG SEQADV 3X22 HIS B -12 UNP P38489 EXPRESSION TAG SEQADV 3X22 HIS B -11 UNP P38489 EXPRESSION TAG SEQADV 3X22 HIS B -10 UNP P38489 EXPRESSION TAG SEQADV 3X22 SER B -9 UNP P38489 EXPRESSION TAG SEQADV 3X22 SER B -8 UNP P38489 EXPRESSION TAG SEQADV 3X22 GLY B -7 UNP P38489 EXPRESSION TAG SEQADV 3X22 LEU B -6 UNP P38489 EXPRESSION TAG SEQADV 3X22 VAL B -5 UNP P38489 EXPRESSION TAG SEQADV 3X22 PRO B -4 UNP P38489 EXPRESSION TAG SEQADV 3X22 ARG B -3 UNP P38489 EXPRESSION TAG SEQADV 3X22 GLY B -2 UNP P38489 EXPRESSION TAG SEQADV 3X22 SER B -1 UNP P38489 EXPRESSION TAG SEQADV 3X22 HIS B 0 UNP P38489 EXPRESSION TAG SEQADV 3X22 SER B 71 UNP P38489 ASN 71 ENGINEERED MUTATION SEQADV 3X22 ALA B 123 UNP P38489 PHE 123 ENGINEERED MUTATION SEQADV 3X22 TRP B 124 UNP P38489 PHE 124 ENGINEERED MUTATION SEQRES 1 A 237 MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY SEQRES 2 A 237 LEU VAL PRO ARG GLY SER HIS MET ASP ILE ILE SER VAL SEQRES 3 A 237 ALA LEU LYS ARG HIS SER THR LYS ALA PHE ASP ALA SER SEQRES 4 A 237 LYS LYS LEU THR PRO GLU GLN ALA GLU GLN ILE LYS THR SEQRES 5 A 237 LEU LEU GLN TYR SER PRO SER SER THR ASN SER GLN PRO SEQRES 6 A 237 TRP HIS PHE ILE VAL ALA SER THR GLU GLU GLY LYS ALA SEQRES 7 A 237 ARG VAL ALA LYS SER ALA ALA GLY ASN TYR VAL PHE SER SEQRES 8 A 237 GLU ARG LYS MET LEU ASP ALA SER HIS VAL VAL VAL PHE SEQRES 9 A 237 CYS ALA LYS THR ALA MET ASP ASP VAL TRP LEU LYS LEU SEQRES 10 A 237 VAL VAL ASP GLN GLU ASP ALA ASP GLY ARG PHE ALA THR SEQRES 11 A 237 PRO GLU ALA LYS ALA ALA ASN ASP LYS GLY ARG LYS ALA SEQRES 12 A 237 TRP ALA ASP MET HIS ARG LYS ASP LEU HIS ASP ASP ALA SEQRES 13 A 237 GLU TRP MET ALA LYS GLN VAL TYR LEU ASN VAL GLY ASN SEQRES 14 A 237 PHE LEU LEU GLY VAL ALA ALA LEU GLY LEU ASP ALA VAL SEQRES 15 A 237 PRO ILE GLU GLY PHE ASP ALA ALA ILE LEU ASP ALA GLU SEQRES 16 A 237 PHE GLY LEU LYS GLU LYS GLY TYR THR SER LEU VAL VAL SEQRES 17 A 237 VAL PRO VAL GLY HIS HIS SER VAL GLU ASP PHE ASN ALA SEQRES 18 A 237 THR LEU PRO LYS SER ARG LEU PRO GLN ASN ILE THR LEU SEQRES 19 A 237 THR GLU VAL SEQRES 1 B 237 MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY SEQRES 2 B 237 LEU VAL PRO ARG GLY SER HIS MET ASP ILE ILE SER VAL SEQRES 3 B 237 ALA LEU LYS ARG HIS SER THR LYS ALA PHE ASP ALA SER SEQRES 4 B 237 LYS LYS LEU THR PRO GLU GLN ALA GLU GLN ILE LYS THR SEQRES 5 B 237 LEU LEU GLN TYR SER PRO SER SER THR ASN SER GLN PRO SEQRES 6 B 237 TRP HIS PHE ILE VAL ALA SER THR GLU GLU GLY LYS ALA SEQRES 7 B 237 ARG VAL ALA LYS SER ALA ALA GLY ASN TYR VAL PHE SER SEQRES 8 B 237 GLU ARG LYS MET LEU ASP ALA SER HIS VAL VAL VAL PHE SEQRES 9 B 237 CYS ALA LYS THR ALA MET ASP ASP VAL TRP LEU LYS LEU SEQRES 10 B 237 VAL VAL ASP GLN GLU ASP ALA ASP GLY ARG PHE ALA THR SEQRES 11 B 237 PRO GLU ALA LYS ALA ALA ASN ASP LYS GLY ARG LYS ALA SEQRES 12 B 237 TRP ALA ASP MET HIS ARG LYS ASP LEU HIS ASP ASP ALA SEQRES 13 B 237 GLU TRP MET ALA LYS GLN VAL TYR LEU ASN VAL GLY ASN SEQRES 14 B 237 PHE LEU LEU GLY VAL ALA ALA LEU GLY LEU ASP ALA VAL SEQRES 15 B 237 PRO ILE GLU GLY PHE ASP ALA ALA ILE LEU ASP ALA GLU SEQRES 16 B 237 PHE GLY LEU LYS GLU LYS GLY TYR THR SER LEU VAL VAL SEQRES 17 B 237 VAL PRO VAL GLY HIS HIS SER VAL GLU ASP PHE ASN ALA SEQRES 18 B 237 THR LEU PRO LYS SER ARG LEU PRO GLN ASN ILE THR LEU SEQRES 19 B 237 THR GLU VAL HET FMN A 301 31 HET FMN B 301 31 HETNAM FMN FLAVIN MONONUCLEOTIDE HETSYN FMN RIBOFLAVIN MONOPHOSPHATE FORMUL 3 FMN 2(C17 H21 N4 O9 P) FORMUL 5 HOH *231(H2 O) HELIX 1 1 ASP A 2 ARG A 10 1 9 HELIX 2 2 THR A 23 TYR A 36 1 14 HELIX 3 3 SER A 39 SER A 43 5 5 HELIX 4 4 THR A 53 LYS A 62 1 10 HELIX 5 5 SER A 63 PHE A 70 5 8 HELIX 6 6 SER A 71 ALA A 78 1 8 HELIX 7 7 ASP A 91 ASP A 105 1 15 HELIX 8 8 THR A 110 LYS A 130 1 21 HELIX 9 9 ASP A 134 LEU A 157 1 24 HELIX 10 10 ASP A 168 PHE A 176 1 9 HELIX 11 11 GLY A 177 GLY A 182 1 6 HELIX 12 12 ASP A 198 THR A 202 5 5 HELIX 13 13 PRO A 209 THR A 213 1 5 HELIX 14 14 ASP B 2 ARG B 10 1 9 HELIX 15 15 THR B 23 TYR B 36 1 14 HELIX 16 16 SER B 39 SER B 43 5 5 HELIX 17 17 THR B 53 LYS B 62 1 10 HELIX 18 18 SER B 63 ALA B 65 5 3 HELIX 19 19 TYR B 68 ALA B 78 1 11 HELIX 20 20 ASP B 91 ASP B 105 1 15 HELIX 21 21 THR B 110 LYS B 130 1 21 HELIX 22 22 ASP B 134 LEU B 157 1 24 HELIX 23 23 ASP B 168 GLY B 177 1 10 HELIX 24 24 ASP B 198 LEU B 203 5 6 HELIX 25 25 PRO B 209 THR B 213 1 5 SHEET 1 A 5 ASP A 160 ALA A 161 0 SHEET 2 A 5 TYR A 183 GLY A 192 -1 O GLY A 192 N ASP A 160 SHEET 3 A 5 HIS A 80 LYS A 87 -1 N HIS A 80 O VAL A 191 SHEET 4 A 5 TRP A 46 ALA A 51 -1 N ALA A 51 O VAL A 81 SHEET 5 A 5 LEU B 214 VAL B 217 1 O THR B 215 N PHE A 48 SHEET 1 B 5 LEU A 214 GLU A 216 0 SHEET 2 B 5 TRP B 46 ALA B 51 1 O PHE B 48 N THR A 215 SHEET 3 B 5 HIS B 80 LYS B 87 -1 O VAL B 81 N ALA B 51 SHEET 4 B 5 TYR B 183 GLY B 192 -1 O VAL B 191 N HIS B 80 SHEET 5 B 5 ASP B 160 ALA B 161 -1 N ASP B 160 O GLY B 192 SITE 1 AC1 26 ARG A 10 HIS A 11 SER A 12 LYS A 14 SITE 2 AC1 26 LYS A 74 TYR A 144 PRO A 163 ILE A 164 SITE 3 AC1 26 GLU A 165 GLY A 166 ASN A 200 LYS A 205 SITE 4 AC1 26 ARG A 207 HOH A 413 HOH A 423 HOH A 424 SITE 5 AC1 26 HOH A 453 HOH A 492 PRO B 38 SER B 39 SITE 6 AC1 26 SER B 40 ASN B 42 TRP B 124 GLN B 142 SITE 7 AC1 26 LEU B 145 HOH B 435 SITE 1 AC2 24 PRO A 38 SER A 39 SER A 40 ASN A 42 SITE 2 AC2 24 TRP A 124 GLN A 142 LEU A 145 ARG B 10 SITE 3 AC2 24 HIS B 11 SER B 12 LYS B 14 LYS B 74 SITE 4 AC2 24 PRO B 163 ILE B 164 GLU B 165 GLY B 166 SITE 5 AC2 24 ASN B 200 LYS B 205 ARG B 207 HOH B 409 SITE 6 AC2 24 HOH B 423 HOH B 427 HOH B 452 HOH B 480 CRYST1 57.075 57.075 263.611 90.00 90.00 90.00 P 41 21 2 16 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 0.017521 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017521 0.000000 0.00000 SCALE3 0.000000 0.000000 0.003793 0.00000