1QUF - Header Asymmetric Unit

HEADER OXIDOREDUCTASE 07-SEP-96 1QUF

TITLE X-RAY STRUCTURE OF A COMPLEX NADP+-FERREDOXIN:NADP+ REDUCTASE FROM THE TITLE 2 CYANOBACTERIUM ANABAENA PCC 7119 AT 2.25 ANGSTROMS

COMPND MOL_ID: 1; COMPND 2 MOLECULE: FERREDOXIN-NADP+ REDUCTASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: FNR; COMPND 5 EC: 1.18.1.2

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: NOSTOC SP.; SOURCE 3 ORGANISM_TAXID: 1168; SOURCE 4 STRAIN: PCC 7119

KEYWDS OXIDOREDUCTASE, FLAVOPROTEIN, NADP, FAD, THYLAKOID MEMBRANE, KEYWDS 2 HYCOBILISOME, FNR, NADP+ REDUCTASE

EXPDTA X-RAY DIFFRACTION

AUTHOR L.SERRE,M.FREY,F.M.D.VELLIEUX

REVDAT 3 13-JUL-11 1QUF 1 VERSN REVDAT 2 24-FEB-09 1QUF 1 VERSN REVDAT 1 17-SEP-97 1QUF 0

JRNL AUTH L.SERRE,F.M.VELLIEUX,M.MEDINA,C.GOMEZ-MORENO, JRNL AUTH 2 J.C.FONTECILLA-CAMPS,M.FREY JRNL TITL X-RAY STRUCTURE OF THE FERREDOXIN:NADP+ REDUCTASE FROM THE JRNL TITL 2 CYANOBACTERIUM ANABAENA PCC 7119 AT 1.8 A RESOLUTION, AND JRNL TITL 3 CRYSTALLOGRAPHIC STUDIES OF NADP+ BINDING AT 2.25 A JRNL TITL 4 RESOLUTION. JRNL REF J.MOL.BIOL. V. 263 20 1996 JRNL REFN ISSN 0022-2836 JRNL PMID 8890910 JRNL DOI 10.1006/JMBI.1996.0553

REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH L.SERRE,M.MEDINA,C.GOMEZ-MORENO,J.C.FONTECILLA-CAMPS,M.FREY REMARK 1 TITL CRYSTALS OF ANABAENA PCC 7119 FERREDOXIN-NADP+ REDUCTASE REMARK 1 REF J.MOL.BIOL. V. 218 271 1991 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 2 REMARK 1 AUTH M.F.FILLAT,H.A.BAKKER,P.J.WEISBEEK REMARK 1 TITL SEQUENCE OF THE FERREDOXIN-NADP(+)-REDUCTASE GENE FROM REMARK 1 TITL 2 ANABAENA PCC 7119 REMARK 1 REF NUCLEIC ACIDS RES. V. 18 7161 1990 REMARK 1 REFN ISSN 0305-1048

REMARK 2 REMARK 2 RESOLUTION. 2.25 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.25 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 15.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 3.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 83.0 REMARK 3 NUMBER OF REFLECTIONS : 15474 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) : 0.186 REMARK 3 FREE R VALUE : 0.265 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 694 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) : 2.25 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.42 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 31.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1063 REMARK 3 BIN R VALUE (WORKING SET) : 0.2400 REMARK 3 BIN FREE R VALUE : 0.3000 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 1.30 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 49 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 : 2322 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 101 REMARK 3 SOLVENT ATOMS : 439 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 14.70 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 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.20 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) : 0.015 REMARK 3 BOND ANGLES (DEGREES) : 2.45 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 : PARHCSX.PRO REMARK 3 PARAMETER FILE 2 : NULL REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSX.PRO REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL

REMARK 4 REMARK 4 1QUF COMPLIES WITH FORMAT V. 3.30, 13-JUL-11

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 : MAY-96 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RUH2R REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE(002) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : SIEMENS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : CCP4 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 15544 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.250 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 83.0 REMARK 200 DATA REDUNDANCY : 3.000 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.73500 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.25 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.34 REMARK 200 COMPLETENESS FOR SHELL (%) : 34.0 REMARK 200 DATA REDUNDANCY IN SHELL : 2.00 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: ANABAENA NATIVE FNR X-RAY MODEL AT 1.8 ANGSTROMS REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 60.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.00 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: SEE REFERENCE 1., PH 5.5

REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 65 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+1/6 REMARK 290 6555 X-Y,X,Z+5/6 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 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 65.07333 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 32.53667 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 48.80500 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 16.26833 REMARK 290 SMTRY1 6 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 81.34167 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 0 REMARK 465 THR A 1 REMARK 465 GLN A 2 REMARK 465 ALA A 3 REMARK 465 LYS A 4 REMARK 465 ALA A 5 REMARK 465 LYS A 6 REMARK 465 HIS A 7

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 LYS A 105 CG CD CE NZ REMARK 470 HIS A 106 CG ND1 CD2 CE1 NE2 REMARK 470 GLU A 108 CG CD OE1 OE2 REMARK 470 SER A 109 CB OG REMARK 470 GLU A 111 CG CD OE1 OE2 REMARK 470 THR A 112 OG1 CG2

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 O HOH A 605 O HOH A 629 1.13 REMARK 500 O HOH A 613 O HOH A 790 1.62 REMARK 500 O HOH A 439 O HOH A 720 1.85 REMARK 500 O HOH A 421 O HOH A 529 1.88 REMARK 500 O HOH A 588 O HOH A 799 2.00 REMARK 500 O HOH A 459 O HOH A 657 2.07 REMARK 500 O HOH A 452 O HOH A 677 2.10 REMARK 500 O HOH A 637 O HOH A 779 2.12 REMARK 500 O HOH A 586 O HOH A 838 2.14 REMARK 500 O HOH A 477 O HOH A 758 2.19 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 816 O HOH A 614 2654 0.81 REMARK 500 O HOH A 810 O HOH A 629 2654 1.32 REMARK 500 O HOH A 649 O HOH A 639 2654 1.44 REMARK 500 O HOH A 605 O HOH A 810 3665 1.78 REMARK 500 O HOH A 705 O HOH A 549 6554 2.05 REMARK 500 O HOH A 540 O HOH A 824 4654 2.08 REMARK 500 O HOH A 825 O HOH A 666 3665 2.13 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 HIS A 106 N - CA - C ANGL. DEV. = 20.2 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 9 -45.65 175.12 REMARK 500 ASP A 68 -162.13 -77.67 REMARK 500 HIS A 106 130.20 29.19 REMARK 500 GLU A 108 -62.83 -166.48 REMARK 500 GLU A 111 -159.27 66.10 REMARK 500 THR A 133 -145.61 -107.93 REMARK 500 PHE A 183 118.21 -34.32 REMARK 500 GLU A 301 86.19 -155.01 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CHIRAL CENTERS REMARK 500 REMARK 500 UNEXPECTED CONFIGURATION OF THE FOLLOWING CHIRAL REMARK 500 CENTER(S) USING IMPROPER CA--C--CB--N CHIRALITY REMARK 500 FOR AMINO ACIDS AND C1'--O4'--N1(N9)--C2' FOR REMARK 500 NUCLEIC ACIDS OR EQUIVALENT ANGLE REMARK 500 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,A1,6X,F5.1,6X,A1,10X,A1,3X,A16) REMARK 500 REMARK 500 M RES CSSEQI IMPROPER EXPECTED FOUND DETAILS REMARK 500 HIS A 106 20.4 L L OUTSIDE RANGE 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 508 DISTANCE = 5.19 ANGSTROMS REMARK 525 HOH A 535 DISTANCE = 5.50 ANGSTROMS REMARK 525 HOH A 541 DISTANCE = 5.02 ANGSTROMS REMARK 525 HOH A 546 DISTANCE = 5.12 ANGSTROMS REMARK 525 HOH A 550 DISTANCE = 5.33 ANGSTROMS REMARK 525 HOH A 580 DISTANCE = 6.32 ANGSTROMS REMARK 525 HOH A 601 DISTANCE = 5.68 ANGSTROMS REMARK 525 HOH A 609 DISTANCE = 7.02 ANGSTROMS REMARK 525 HOH A 610 DISTANCE = 5.89 ANGSTROMS REMARK 525 HOH A 619 DISTANCE = 5.06 ANGSTROMS REMARK 525 HOH A 626 DISTANCE = 5.68 ANGSTROMS REMARK 525 HOH A 632 DISTANCE = 6.85 ANGSTROMS REMARK 525 HOH A 644 DISTANCE = 7.28 ANGSTROMS REMARK 525 HOH A 651 DISTANCE = 9.09 ANGSTROMS REMARK 525 HOH A 652 DISTANCE = 6.38 ANGSTROMS REMARK 525 HOH A 659 DISTANCE = 6.01 ANGSTROMS REMARK 525 HOH A 666 DISTANCE = 5.39 ANGSTROMS REMARK 525 HOH A 667 DISTANCE = 5.11 ANGSTROMS REMARK 525 HOH A 675 DISTANCE = 6.64 ANGSTROMS REMARK 525 HOH A 688 DISTANCE = 5.16 ANGSTROMS REMARK 525 HOH A 695 DISTANCE = 7.32 ANGSTROMS REMARK 525 HOH A 717 DISTANCE = 5.02 ANGSTROMS REMARK 525 HOH A 721 DISTANCE = 7.08 ANGSTROMS REMARK 525 HOH A 723 DISTANCE = 9.79 ANGSTROMS REMARK 525 HOH A 741 DISTANCE = 7.38 ANGSTROMS REMARK 525 HOH A 744 DISTANCE = 5.01 ANGSTROMS REMARK 525 HOH A 751 DISTANCE = 6.53 ANGSTROMS REMARK 525 HOH A 756 DISTANCE = 7.16 ANGSTROMS REMARK 525 HOH A 762 DISTANCE = 8.56 ANGSTROMS REMARK 525 HOH A 763 DISTANCE = 7.92 ANGSTROMS REMARK 525 HOH A 772 DISTANCE = 6.19 ANGSTROMS REMARK 525 HOH A 777 DISTANCE = 6.30 ANGSTROMS REMARK 525 HOH A 778 DISTANCE = 5.82 ANGSTROMS REMARK 525 HOH A 786 DISTANCE = 5.02 ANGSTROMS REMARK 525 HOH A 792 DISTANCE = 5.74 ANGSTROMS REMARK 525 HOH A 793 DISTANCE = 5.82 ANGSTROMS REMARK 525 HOH A 796 DISTANCE = 7.28 ANGSTROMS REMARK 525 HOH A 797 DISTANCE = 7.40 ANGSTROMS REMARK 525 HOH A 798 DISTANCE = 6.10 ANGSTROMS REMARK 525 HOH A 801 DISTANCE = 8.41 ANGSTROMS REMARK 525 HOH A 802 DISTANCE = 5.15 ANGSTROMS REMARK 525 HOH A 808 DISTANCE = 6.04 ANGSTROMS REMARK 525 HOH A 824 DISTANCE = 5.57 ANGSTROMS REMARK 525 HOH A 825 DISTANCE = 5.74 ANGSTROMS REMARK 525 HOH A 829 DISTANCE = 5.92 ANGSTROMS REMARK 525 HOH A 831 DISTANCE = 5.92 ANGSTROMS REMARK 525 HOH A 834 DISTANCE = 6.15 ANGSTROMS REMARK 525 HOH A 836 DISTANCE = 5.47 ANGSTROMS

REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: ACT REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: THE ACTIVE SITE. REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FAD A 304 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAP A 305

DBREF 1QUF A 0 303 UNP P21890 FENR_ANASO 137 440

SEQADV 1QUF GLN A 246 UNP P21890 GLU 383 CONFLICT SEQADV 1QUF GLU A 254 UNP P21890 GLN 391 CONFLICT

SEQRES 1 A 304 MET THR GLN ALA LYS ALA LYS HIS ALA ASP VAL PRO VAL SEQRES 2 A 304 ASN LEU TYR ARG PRO ASN ALA PRO PHE ILE GLY LYS VAL SEQRES 3 A 304 ILE SER ASN GLU PRO LEU VAL LYS GLU GLY GLY ILE GLY SEQRES 4 A 304 ILE VAL GLN HIS ILE LYS PHE ASP LEU THR GLY GLY ASN SEQRES 5 A 304 LEU LYS TYR ILE GLU GLY GLN SER ILE GLY ILE ILE PRO SEQRES 6 A 304 PRO GLY VAL ASP LYS ASN GLY LYS PRO GLU LYS LEU ARG SEQRES 7 A 304 LEU TYR SER ILE ALA SER THR ARG HIS GLY ASP ASP VAL SEQRES 8 A 304 ASP ASP LYS THR ILE SER LEU CYS VAL ARG GLN LEU GLU SEQRES 9 A 304 TYR LYS HIS PRO GLU SER GLY GLU THR VAL TYR GLY VAL SEQRES 10 A 304 CYS SER THR TYR LEU THR HIS ILE GLU PRO GLY SER GLU SEQRES 11 A 304 VAL LYS ILE THR GLY PRO VAL GLY LYS GLU MET LEU LEU SEQRES 12 A 304 PRO ASP ASP PRO GLU ALA ASN VAL ILE MET LEU ALA THR SEQRES 13 A 304 GLY THR GLY ILE ALA PRO MET ARG THR TYR LEU TRP ARG SEQRES 14 A 304 MET PHE LYS ASP ALA GLU ARG ALA ALA ASN PRO GLU TYR SEQRES 15 A 304 GLN PHE LYS GLY PHE SER TRP LEU VAL PHE GLY VAL PRO SEQRES 16 A 304 THR THR PRO ASN ILE LEU TYR LYS GLU GLU LEU GLU GLU SEQRES 17 A 304 ILE GLN GLN LYS TYR PRO ASP ASN PHE ARG LEU THR TYR SEQRES 18 A 304 ALA ILE SER ARG GLU GLN LYS ASN PRO GLN GLY GLY ARG SEQRES 19 A 304 MET TYR ILE GLN ASP ARG VAL ALA GLU HIS ALA ASP GLN SEQRES 20 A 304 LEU TRP GLN LEU ILE LYS ASN GLU LYS THR HIS THR TYR SEQRES 21 A 304 ILE CYS GLY LEU ARG GLY MET GLU GLU GLY ILE ASP ALA SEQRES 22 A 304 ALA LEU SER ALA ALA ALA ALA LYS GLU GLY VAL THR TRP SEQRES 23 A 304 SER ASP TYR GLN LYS ASP LEU LYS LYS ALA GLY ARG TRP SEQRES 24 A 304 HIS VAL GLU THR TYR

HET FAD A 304 53 HET NAP A 305 52

HETNAM FAD FLAVIN-ADENINE DINUCLEOTIDE HETNAM NAP NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE

HETSYN NAP 2'-MONOPHOSPHOADENOSINE 5'-DIPHOSPHORIBOSE

FORMUL 2 FAD C27 H33 N9 O15 P2 FORMUL 3 NAP C21 H28 N7 O17 P3 FORMUL 4 HOH *439(H2 O)

HELIX 1 1 PRO A 17 ALA A 19 5 3 HELIX 2 2 VAL A 116 HIS A 123 1 8 HELIX 3 3 GLY A 156 PHE A 170 5 15 HELIX 4 4 ASP A 172 ALA A 177 1 6 HELIX 5 5 LYS A 202 LYS A 211 1 10 HELIX 6 6 ILE A 236 GLU A 242 1 7 HELIX 7 7 ALA A 244 ILE A 251 1 8 HELIX 8 8 GLU A 267 GLU A 281 1 15 HELIX 9 9 TRP A 285 LYS A 294 1 10

SHEET 1 A 4 GLU A 129 ILE A 132 0 SHEET 2 A 4 PHE A 21 PRO A 30 -1 N GLY A 23 O VAL A 130 SHEET 3 A 4 VAL A 40 ASP A 46 -1 N ASP A 46 O LYS A 24 SHEET 4 A 4 THR A 94 ARG A 100 -1 N VAL A 99 O GLN A 41 SHEET 1 B 2 SER A 59 ILE A 62 0 SHEET 2 B 2 ARG A 77 SER A 80 -1 N TYR A 79 O ILE A 60 SHEET 1 C 5 TRP A 298 THR A 302 0 SHEET 2 C 5 HIS A 257 GLY A 262 1 N THR A 258 O HIS A 299 SHEET 3 C 5 VAL A 150 THR A 155 1 N ILE A 151 O HIS A 257 SHEET 4 C 5 SER A 187 VAL A 193 1 N TRP A 188 O VAL A 150 SHEET 5 C 5 PHE A 216 ILE A 222 1 N ARG A 217 O SER A 187

CISPEP 1 GLY A 134 PRO A 135 0 -2.29

SITE 1 ACT 9 ARG A 100 SER A 223 ARG A 224 ARG A 233 SITE 2 ACT 9 TYR A 235 GLN A 237 TYR A 303 FAD A 304 SITE 3 ACT 9 NAP A 305 SITE 1 AC1 22 ARG A 77 LEU A 78 TYR A 79 SER A 80 SITE 2 AC1 22 CYS A 98 ARG A 100 LEU A 102 TYR A 104 SITE 3 AC1 22 GLY A 115 VAL A 116 CYS A 117 SER A 118 SITE 4 AC1 22 THR A 157 GLU A 301 TYR A 303 HOH A 417 SITE 5 AC1 22 HOH A 426 HOH A 433 HOH A 456 HOH A 531 SITE 6 AC1 22 HOH A 556 HOH A 622 SITE 1 AC2 27 ILE A 37 GLY A 38 ILE A 39 VAL A 40 SITE 2 AC2 27 ARG A 100 GLN A 101 GLU A 103 GLY A 156 SITE 3 AC2 27 GLY A 192 VAL A 193 PRO A 194 ASN A 198 SITE 4 AC2 27 SER A 223 ARG A 224 ARG A 233 TYR A 235 SITE 5 AC2 27 GLN A 237 HOH A 585 HOH A 591 HOH A 595 SITE 6 AC2 27 HOH A 605 HOH A 613 HOH A 621 HOH A 647 SITE 7 AC2 27 HOH A 678 HOH A 790 HOH A 819

CRYST1 85.840 85.840 97.610 90.00 90.00 120.00 P 65 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 0.011650 0.006726 0.000000 0.00000

SCALE2 0.000000 0.013452 0.000000 0.00000

SCALE3 0.000000 0.000000 0.010245 0.00000