HEADER OXIDOREDUCTASE 21-APR-22 7XLF TITLE CRYSTAL STRUCTURE OF CH3-THF COMPLEX OF METHYLENETETRAHYDROFOLATE TITLE 2 REDUCTASE FROM SPHINGOBIUM SP. SYK-6 COMPND MOL_ID: 1; COMPND 2 MOLECULE: 5,10-METHYLENETETRAHYDROFOLATE REDUCTASE; COMPND 3 CHAIN: A, B; COMPND 4 EC: 1.5.1.20; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SPHINGOBIUM SP. SYK-6; SOURCE 3 ORGANISM_TAXID: 627192; SOURCE 4 STRAIN: NBRC 103272 / SYK-6; SOURCE 5 GENE: METF, SLG_12750; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008 KEYWDS OXIDOREDUCTASE, CH3-THF OXIDATION, NON-NADH/NAD+ BINDING TYPE, TIM KEYWDS 2 BARREL, FLAVOPROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR H.Y.YU,M.SENDA,T.SENDA REVDAT 2 29-NOV-23 7XLF 1 REMARK REVDAT 1 26-APR-23 7XLF 0 JRNL AUTH H.Y.YU,T.SENDA JRNL TITL CRYSTAL STRUCTURAL OF METHYLENETETRAHYDROFOLATE REDUCTASE JRNL TITL 2 FROM SPHINGOBIUM SP. SYK-6 JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.85 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.18.2_3874 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 : GEOSTD + MONOMER LIBRARY + CDL V1.2 REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.85 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 38.88 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 46023 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.183 REMARK 3 R VALUE (WORKING SET) : 0.181 REMARK 3 FREE R VALUE : 0.217 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.090 REMARK 3 FREE R VALUE TEST SET COUNT : 2341 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 38.8800 - 4.7500 1.00 2610 140 0.1453 0.1617 REMARK 3 2 4.7500 - 3.7700 1.00 2554 142 0.1314 0.1491 REMARK 3 3 3.7700 - 3.3000 1.00 2589 144 0.1587 0.1892 REMARK 3 4 3.3000 - 3.0000 1.00 2566 145 0.1865 0.2096 REMARK 3 5 3.0000 - 2.7800 1.00 2578 149 0.2044 0.2623 REMARK 3 6 2.7800 - 2.6200 1.00 2549 142 0.1998 0.2071 REMARK 3 7 2.6200 - 2.4900 1.00 2563 138 0.1991 0.2390 REMARK 3 8 2.4900 - 2.3800 1.00 2573 141 0.1934 0.2698 REMARK 3 9 2.3800 - 2.2900 1.00 2605 113 0.1933 0.2214 REMARK 3 10 2.2900 - 2.2100 1.00 2557 131 0.2016 0.2551 REMARK 3 11 2.2100 - 2.1400 1.00 2584 129 0.1828 0.2529 REMARK 3 12 2.1400 - 2.0800 1.00 2567 133 0.1942 0.2458 REMARK 3 13 2.0800 - 2.0200 1.00 2557 136 0.2002 0.2633 REMARK 3 14 2.0200 - 1.9700 1.00 2554 140 0.2088 0.2762 REMARK 3 15 1.9700 - 1.9300 1.00 2591 143 0.2239 0.2931 REMARK 3 16 1.9300 - 1.8900 1.00 2518 137 0.2558 0.3319 REMARK 3 17 1.8900 - 1.8500 1.00 2567 138 0.2612 0.3285 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) : 0.229 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 23.122 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 19.73 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 21.82 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 : 0.007 4498 REMARK 3 ANGLE : 0.927 6138 REMARK 3 CHIRALITY : 0.059 691 REMARK 3 PLANARITY : 0.007 779 REMARK 3 DIHEDRAL : 13.352 1651 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 7XLF COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 30-APR-22. REMARK 100 THE DEPOSITION ID IS D_1300028959. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 23-SEP-18 REMARK 200 TEMPERATURE (KELVIN) : 95 REMARK 200 PH : 4.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SLS REMARK 200 BEAMLINE : X06DA REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 2M-F REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 46088 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.850 REMARK 200 RESOLUTION RANGE LOW (A) : 43.700 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 6.800 REMARK 200 R MERGE (I) : 0.10100 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 14.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.85 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.89 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.85300 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: MOLREP REMARK 200 STARTING MODEL: 7XG9 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.17 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.20 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20% (W/V) PEG 4000, 0.1 M SODIUM REMARK 280 CITRATE PH 4.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 277.15K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 85.17350 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 SER A 1 REMARK 465 ALA A 2 REMARK 465 THR A 3 REMARK 465 ALA A 4 REMARK 465 THR A 5 REMARK 465 LEU A 6 REMARK 465 SER B 1 REMARK 465 ALA B 2 REMARK 465 THR B 3 REMARK 465 ALA B 4 REMARK 465 THR B 5 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 ARG A 13 CG CD NE CZ NH1 NH2 REMARK 470 THR A 16 CG2 REMARK 470 LYS A 25 CD CE NZ REMARK 470 GLU A 28 CD OE1 OE2 REMARK 470 GLU A 52 CG CD OE1 OE2 REMARK 470 GLU A 54 CG CD OE1 OE2 REMARK 470 LYS A 93 CE NZ REMARK 470 ASP A 97 OD2 REMARK 470 LYS A 99 NZ REMARK 470 ASN A 109 CG OD1 ND2 REMARK 470 LEU A 112 CD1 REMARK 470 LYS A 164 CD CE NZ REMARK 470 GLN A 189 CG CD OE1 NE2 REMARK 470 GLU A 193 CD OE1 OE2 REMARK 470 LYS A 210 CG CD CE NZ REMARK 470 ARG A 214 CZ NH1 NH2 REMARK 470 ARG A 218 CG CD NE CZ NH1 NH2 REMARK 470 LYS A 226 CG CD CE NZ REMARK 470 LYS A 229 CG CD CE NZ REMARK 470 LYS A 230 CD CE NZ REMARK 470 ILE A 235 CG1 CG2 CD1 REMARK 470 ILE A 239 CD1 REMARK 470 LYS A 274 NZ REMARK 470 LYS A 285 CG CD CE NZ REMARK 470 LYS B 8 CD CE NZ REMARK 470 THR B 16 OG1 CG2 REMARK 470 LYS B 25 CD CE NZ REMARK 470 GLU B 28 CG CD OE1 OE2 REMARK 470 GLU B 52 CG CD OE1 OE2 REMARK 470 GLU B 54 CG CD OE1 OE2 REMARK 470 LYS B 93 CG CD CE NZ REMARK 470 LYS B 99 CE NZ REMARK 470 GLU B 110 CG CD OE1 OE2 REMARK 470 GLU B 116 OE1 REMARK 470 GLU B 150 CD OE1 OE2 REMARK 470 LYS B 164 CD CE NZ REMARK 470 GLU B 181 CD OE1 OE2 REMARK 470 GLU B 185 CD OE1 OE2 REMARK 470 LYS B 188 NZ REMARK 470 LYS B 210 CG CD CE NZ REMARK 470 ARG B 218 CG CD NE CZ NH1 NH2 REMARK 470 LYS B 226 CG CD CE NZ REMARK 470 LYS B 229 CG CD CE NZ REMARK 470 ILE B 235 CG1 CG2 CD1 REMARK 470 LYS B 285 CG CD CE NZ REMARK 470 GLN B 286 NE2 REMARK 470 ILE B 288 CG2 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 GLU A 193 6.19 -68.40 REMARK 500 REMARK 500 REMARK: NULL REMARK 610 REMARK 610 MISSING HETEROATOM REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 610 I=INSERTION CODE): REMARK 610 M RES C SSEQI REMARK 610 C2F A 301 REMARK 610 C2F B 301 DBREF 7XLF A 2 288 UNP G2IQS8 METF_SPHSK 2 288 DBREF 7XLF B 2 288 UNP G2IQS8 METF_SPHSK 2 288 SEQADV 7XLF SER A 1 UNP G2IQS8 EXPRESSION TAG SEQADV 7XLF SER B 1 UNP G2IQS8 EXPRESSION TAG SEQRES 1 A 288 SER ALA THR ALA THR LEU ASP LYS ALA ALA LEU SER ARG SEQRES 2 A 288 LEU PHE THR ASP TYR SER LEU GLU ILE THR PRO LYS ASP SEQRES 3 A 288 VAL GLU ALA LEU GLU ASN ALA ALA HIS MET ILE PRO PRO SEQRES 4 A 288 GLY THR LEU ILE SER VAL THR PHE LEU PRO GLY ALA GLU SEQRES 5 A 288 TYR GLU ASP ARG ALA ARG ALA ALA LYS ARG ILE GLN GLU SEQRES 6 A 288 LEU GLY PHE ARG PRO VAL PRO HIS LEU SER ALA ARG ARG SEQRES 7 A 288 LEU ILE ASP GLU ALA ASP LEU ARG THR TYR LEU ASP MET SEQRES 8 A 288 LEU LYS GLY VAL ILE ASP LEU LYS HIS VAL PHE VAL ILE SEQRES 9 A 288 ALA GLY ASP PRO ASN GLU PRO LEU GLY ILE TYR GLU ASP SEQRES 10 A 288 ALA LEU ALA LEU ILE ASP SER GLY ILE LEU LYS GLU TYR SEQRES 11 A 288 GLY ILE GLU HIS CYS GLY ILE SER GLY TYR PRO GLU GLY SEQRES 12 A 288 HIS PRO ASP ILE THR ASP GLU LYS LEU ALA LYS ALA MET SEQRES 13 A 288 HIS ASP LYS VAL ALA SER LEU LYS ARG GLN GLY ILE ASP SEQRES 14 A 288 TYR SER ILE MET THR GLN PHE GLY PHE ASP ALA GLU PRO SEQRES 15 A 288 VAL LEU GLU TRP LEU LYS GLN ILE ARG SER GLU GLY ILE SEQRES 16 A 288 ASP GLY PRO VAL ARG ILE GLY LEU ALA GLY PRO ALA SER SEQRES 17 A 288 ILE LYS THR LEU LEU ARG PHE ALA ALA ARG CYS GLY VAL SEQRES 18 A 288 GLY THR SER ALA LYS VAL VAL LYS LYS TYR GLY LEU SER SEQRES 19 A 288 ILE THR SER LEU ILE GLY SER ALA GLY PRO ASP PRO VAL SEQRES 20 A 288 ILE GLU ASP LEU THR PRO VAL LEU GLY PRO GLU HIS GLY SEQRES 21 A 288 GLN VAL HIS LEU HIS PHE TYR PRO PHE GLY GLY LEU VAL SEQRES 22 A 288 LYS THR ASN GLU TRP ILE VAL ASN PHE LYS GLY LYS GLN SEQRES 23 A 288 GLY ILE SEQRES 1 B 288 SER ALA THR ALA THR LEU ASP LYS ALA ALA LEU SER ARG SEQRES 2 B 288 LEU PHE THR ASP TYR SER LEU GLU ILE THR PRO LYS ASP SEQRES 3 B 288 VAL GLU ALA LEU GLU ASN ALA ALA HIS MET ILE PRO PRO SEQRES 4 B 288 GLY THR LEU ILE SER VAL THR PHE LEU PRO GLY ALA GLU SEQRES 5 B 288 TYR GLU ASP ARG ALA ARG ALA ALA LYS ARG ILE GLN GLU SEQRES 6 B 288 LEU GLY PHE ARG PRO VAL PRO HIS LEU SER ALA ARG ARG SEQRES 7 B 288 LEU ILE ASP GLU ALA ASP LEU ARG THR TYR LEU ASP MET SEQRES 8 B 288 LEU LYS GLY VAL ILE ASP LEU LYS HIS VAL PHE VAL ILE SEQRES 9 B 288 ALA GLY ASP PRO ASN GLU PRO LEU GLY ILE TYR GLU ASP SEQRES 10 B 288 ALA LEU ALA LEU ILE ASP SER GLY ILE LEU LYS GLU TYR SEQRES 11 B 288 GLY ILE GLU HIS CYS GLY ILE SER GLY TYR PRO GLU GLY SEQRES 12 B 288 HIS PRO ASP ILE THR ASP GLU LYS LEU ALA LYS ALA MET SEQRES 13 B 288 HIS ASP LYS VAL ALA SER LEU LYS ARG GLN GLY ILE ASP SEQRES 14 B 288 TYR SER ILE MET THR GLN PHE GLY PHE ASP ALA GLU PRO SEQRES 15 B 288 VAL LEU GLU TRP LEU LYS GLN ILE ARG SER GLU GLY ILE SEQRES 16 B 288 ASP GLY PRO VAL ARG ILE GLY LEU ALA GLY PRO ALA SER SEQRES 17 B 288 ILE LYS THR LEU LEU ARG PHE ALA ALA ARG CYS GLY VAL SEQRES 18 B 288 GLY THR SER ALA LYS VAL VAL LYS LYS TYR GLY LEU SER SEQRES 19 B 288 ILE THR SER LEU ILE GLY SER ALA GLY PRO ASP PRO VAL SEQRES 20 B 288 ILE GLU ASP LEU THR PRO VAL LEU GLY PRO GLU HIS GLY SEQRES 21 B 288 GLN VAL HIS LEU HIS PHE TYR PRO PHE GLY GLY LEU VAL SEQRES 22 B 288 LYS THR ASN GLU TRP ILE VAL ASN PHE LYS GLY LYS GLN SEQRES 23 B 288 GLY ILE HET FAD A 300 53 HET C2F A 301 24 HET PEG A 302 7 HET FAD B 300 53 HET C2F B 301 24 HET PEG B 302 7 HET PEG B 303 7 HETNAM FAD FLAVIN-ADENINE DINUCLEOTIDE HETNAM C2F 5-METHYL-5,6,7,8-TETRAHYDROFOLIC ACID HETNAM PEG DI(HYDROXYETHYL)ETHER FORMUL 3 FAD 2(C27 H33 N9 O15 P2) FORMUL 4 C2F 2(C20 H25 N7 O6) FORMUL 5 PEG 3(C4 H10 O3) FORMUL 10 HOH *389(H2 O) HELIX 1 AA1 ASP A 7 PHE A 15 1 9 HELIX 2 AA2 THR A 23 LYS A 25 5 3 HELIX 3 AA3 ASP A 26 ALA A 34 1 9 HELIX 4 AA4 HIS A 35 ILE A 37 5 3 HELIX 5 AA5 GLU A 52 LEU A 66 1 15 HELIX 6 AA6 ARG A 77 LEU A 79 5 3 HELIX 7 AA7 ASP A 81 ILE A 96 1 16 HELIX 8 AA8 ASP A 117 SER A 124 1 8 HELIX 9 AA9 GLY A 125 TYR A 130 1 6 HELIX 10 AB1 THR A 148 GLY A 167 1 20 HELIX 11 AB2 ASP A 179 GLU A 193 1 15 HELIX 12 AB3 ILE A 209 CYS A 219 1 11 HELIX 13 AB4 SER A 224 GLY A 232 1 9 HELIX 14 AB5 PRO A 244 THR A 252 1 9 HELIX 15 AB6 GLY A 256 GLY A 260 5 5 HELIX 16 AB7 GLY A 271 GLY A 287 1 17 HELIX 17 AB8 ASP B 7 THR B 16 1 10 HELIX 18 AB9 ASP B 26 ALA B 34 1 9 HELIX 19 AC1 HIS B 35 ILE B 37 5 3 HELIX 20 AC2 GLU B 52 LEU B 66 1 15 HELIX 21 AC3 ARG B 77 LEU B 79 5 3 HELIX 22 AC4 ASP B 81 GLY B 94 1 14 HELIX 23 AC5 ASP B 117 ASP B 123 1 7 HELIX 24 AC6 GLY B 125 TYR B 130 1 6 HELIX 25 AC7 THR B 148 GLN B 166 1 19 HELIX 26 AC8 ASP B 179 GLU B 193 1 15 HELIX 27 AC9 ILE B 209 CYS B 219 1 11 HELIX 28 AD1 SER B 224 GLY B 232 1 9 HELIX 29 AD2 PRO B 244 THR B 252 1 9 HELIX 30 AD3 GLY B 256 GLY B 260 5 5 HELIX 31 AD4 GLY B 271 GLY B 287 1 17 SHEET 1 AA1 9 SER A 19 ILE A 22 0 SHEET 2 AA1 9 LEU A 42 VAL A 45 1 O SER A 44 N LEU A 20 SHEET 3 AA1 9 ARG A 69 SER A 75 1 O ARG A 69 N ILE A 43 SHEET 4 AA1 9 HIS A 100 ILE A 104 1 O PHE A 102 N LEU A 74 SHEET 5 AA1 9 HIS A 134 GLY A 139 1 O GLY A 136 N VAL A 101 SHEET 6 AA1 9 ASP A 169 THR A 174 1 O ASP A 169 N CYS A 135 SHEET 7 AA1 9 VAL A 199 ALA A 204 1 O ARG A 200 N THR A 174 SHEET 8 AA1 9 VAL A 262 TYR A 267 1 O HIS A 265 N LEU A 203 SHEET 9 AA1 9 SER A 19 ILE A 22 1 N SER A 19 O PHE A 266 SHEET 1 AA2 2 ALA A 207 SER A 208 0 SHEET 2 AA2 2 SER A 241 ALA A 242 -1 O ALA A 242 N ALA A 207 SHEET 1 AA3 9 SER B 19 ILE B 22 0 SHEET 2 AA3 9 LEU B 42 VAL B 45 1 O SER B 44 N ILE B 22 SHEET 3 AA3 9 ARG B 69 SER B 75 1 O HIS B 73 N VAL B 45 SHEET 4 AA3 9 HIS B 100 ILE B 104 1 O PHE B 102 N LEU B 74 SHEET 5 AA3 9 HIS B 134 GLY B 139 1 O GLY B 136 N VAL B 101 SHEET 6 AA3 9 ASP B 169 THR B 174 1 O ASP B 169 N CYS B 135 SHEET 7 AA3 9 VAL B 199 ALA B 204 1 O ARG B 200 N ILE B 172 SHEET 8 AA3 9 VAL B 262 TYR B 267 1 O HIS B 263 N ILE B 201 SHEET 9 AA3 9 SER B 19 ILE B 22 1 N SER B 19 O PHE B 266 SHEET 1 AA4 2 ALA B 207 SER B 208 0 SHEET 2 AA4 2 SER B 241 ALA B 242 -1 O ALA B 242 N ALA B 207 CRYST1 37.127 170.347 45.151 90.00 104.55 90.00 P 1 21 1 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 0.026935 0.000000 0.006990 0.00000 SCALE2 0.000000 0.005870 0.000000 0.00000 SCALE3 0.000000 0.000000 0.022882 0.00000