1BZL - Header Asymmetric Unit

HEADER OXIDOREDUCTASE 02-NOV-98 1BZL

TITLE CRYSTAL STRUCTURE OF TRYPANOSOMA CRUZI TRYPANOTHIONE TITLE 2 REDUCTASE IN COMPLEX WITH TRYPANOTHIONE, AND THE STRUCTURE- TITLE 3 BASED DISCOVERY OF NEW NATURAL PRODUCT INHIBITORS

COMPND MOL_ID: 1; COMPND 2 MOLECULE: TRYPANOTHIONE REDUCTASE (OXIDIZED FORM); COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: TR; COMPND 5 EC: 1.6.4.8; COMPND 6 ENGINEERED: YES

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: TRYPANOSOMA CRUZI; SOURCE 3 ORGANISM_TAXID: 5693; SOURCE 4 STRAIN: BRAZILIAN SILVIO STRAIN CLONE X10-1; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562

KEYWDS OXIDOREDUCTASE, TRYPANOTHIONE REDUCTASE, FAD DEPENDENT KEYWDS 2 DISULPHIDE OXIDOREDUCTASE

EXPDTA X-RAY DIFFRACTION

AUTHOR C.S.BOND,Y.ZHANG,M.BERRIMAN,M.CUNNINGHAM,A.H.FAIRLAMB, AUTHOR 2 W.N.HUNTER

REVDAT 4 24-FEB-09 1BZL 1 VERSN REVDAT 3 10-JAN-01 1BZL 1 REMARK REVDAT 2 17-NOV-99 1BZL 1 HETNAM REVDAT 1 10-NOV-99 1BZL 0

JRNL AUTH C.S.BOND,Y.ZHANG,M.BERRIMAN,M.L.CUNNINGHAM, JRNL AUTH 2 A.H.FAIRLAMB,W.N.HUNTER JRNL TITL CRYSTAL STRUCTURE OF TRYPANOSOMA CRUZI JRNL TITL 2 TRYPANOTHIONE REDUCTASE IN COMPLEX WITH JRNL TITL 3 TRYPANOTHIONE, AND THE STRUCTURE-BASED DISCOVERY JRNL TITL 4 OF NEW NATURAL PRODUCT INHIBITORS. JRNL REF STRUCTURE FOLD.DES. V. 7 81 1999 JRNL REFN ISSN 0969-2126 JRNL PMID 10368274 JRNL DOI 10.1016/S0969-2126(99)80011-2

REMARK 1

REMARK 2 REMARK 2 RESOLUTION. 2.40 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.1 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 87.4 REMARK 3 NUMBER OF REFLECTIONS : 45818 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) : 0.209 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 : 7459 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 202 REMARK 3 SOLVENT ATOMS : 409 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 32.40 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) : 0.30 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) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 2.20 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.60 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.40 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) : 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 : RESTRAINTS 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 : PARHCSDX.PRO REMARK 3 PARAMETER FILE 2 : TOPHCSDX.PRO REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL

REMARK 4 REMARK 4 1BZL COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 04-NOV-98. REMARK 100 THE RCSB ID CODE IS RCSB000011.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-MAR-91 REMARK 200 TEMPERATURE (KELVIN) : 273 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SRS REMARK 200 BEAMLINE : PX9.6 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.92 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : CCP4 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 45818 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.400 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 87.4 REMARK 200 DATA REDUNDANCY : 3.000 REMARK 200 R MERGE (I) : 0.75000 REMARK 200 R SYM (I) : 0.75000 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 6.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.40 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.53 REMARK 200 COMPLETENESS FOR SHELL (%) : 86.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.27500 REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: PDB ENTRY 1TYT REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 61.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.17 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 6.0

REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 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,X,Z+3/4 REMARK 290 4555 Y,-X,Z+1/4 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 78.57000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 117.85500 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 39.28500 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: 12110 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 36270 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -95.0 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 B 2 REMARK 465 SER B 3 REMARK 465 LYS B 4

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 LEU A 152 CA - CB - CG ANGL. DEV. = 16.7 DEGREES REMARK 500 LEU A 220 CA - CB - CG ANGL. DEV. = 19.4 DEGREES REMARK 500 LEU A 281 CA - CB - CG ANGL. DEV. = 21.5 DEGREES REMARK 500 ARG A 316 CB - CG - CD ANGL. DEV. = -15.8 DEGREES REMARK 500 ASN B 23 CA - CB - CG ANGL. DEV. = 14.2 DEGREES REMARK 500 ARG B 191 CB - CG - CD ANGL. DEV. = -27.1 DEGREES REMARK 500 LEU B 220 CA - CB - CG ANGL. DEV. = 20.3 DEGREES REMARK 500 LEU B 399 CA - CB - CG ANGL. DEV. = 14.3 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 LYS A 4 113.70 107.76 REMARK 500 ALA A 13 59.31 -102.38 REMARK 500 PHE A 46 -62.26 64.14 REMARK 500 ALA A 48 -159.00 -159.71 REMARK 500 VAL A 56 46.57 -143.22 REMARK 500 LYS A 133 0.42 -67.22 REMARK 500 ALA A 160 48.18 -142.85 REMARK 500 LYS A 214 -61.18 -13.08 REMARK 500 LYS A 305 -123.39 -95.74 REMARK 500 ARG A 331 -96.80 -92.74 REMARK 500 ALA B 13 57.87 -94.39 REMARK 500 THR B 26 -84.36 -78.36 REMARK 500 PHE B 46 -65.34 61.34 REMARK 500 ALA B 48 -160.22 -166.57 REMARK 500 PRO B 144 18.58 -60.65 REMARK 500 ALA B 160 40.22 -154.02 REMARK 500 ILE B 173 -9.93 -57.20 REMARK 500 LYS B 214 -68.62 -15.61 REMARK 500 ASP B 215 45.95 -107.34 REMARK 500 ALA B 263 -81.04 8.55 REMARK 500 THR B 317 -159.31 -90.30 REMARK 500 SER B 320 -47.95 -18.82 REMARK 500 ARG B 331 -86.90 -89.70 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 B 773 DISTANCE = 5.70 ANGSTROMS

REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FAD A 601 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FAD B 602 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GCG A 603 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GCG A 604

DBREF 1BZL A 2 487 UNP Q26970 Q26970_TRYCR 2 487 DBREF 1BZL B 2 487 UNP Q26970 Q26970_TRYCR 2 487

SEQRES 1 A 486 MET SER LYS ILE PHE ASP LEU VAL VAL ILE GLY ALA GLY SEQRES 2 A 486 SER GLY GLY LEU GLU ALA ALA TRP ASN ALA ALA THR LEU SEQRES 3 A 486 TYR LYS LYS ARG VAL ALA VAL ILE ASP VAL GLN MET VAL SEQRES 4 A 486 HIS GLY PRO PRO PHE PHE SER ALA LEU GLY GLY THR CYS SEQRES 5 A 486 VAL ASN VAL GLY CYS VAL PRO LYS LYS LEU MET VAL THR SEQRES 6 A 486 GLY ALA GLN TYR MET GLU HIS LEU ARG GLU SER ALA GLY SEQRES 7 A 486 PHE GLY TRP GLU PHE ASP ARG THR THR LEU ARG ALA GLU SEQRES 8 A 486 TRP LYS ASN LEU ILE ALA VAL LYS ASP GLU ALA VAL LEU SEQRES 9 A 486 ASN ILE ASN LYS SER TYR ASP GLU MET PHE ARG ASP THR SEQRES 10 A 486 GLU GLY LEU GLU PHE PHE LEU GLY TRP GLY SER LEU GLU SEQRES 11 A 486 SER LYS ASN VAL VAL ASN VAL ARG GLU SER ALA ASP PRO SEQRES 12 A 486 ALA SER ALA VAL LYS GLU ARG LEU GLU THR GLU HIS ILE SEQRES 13 A 486 LEU LEU ALA SER GLY SER TRP PRO HIS MET PRO ASN ILE SEQRES 14 A 486 PRO GLY ILE GLU HIS CYS ILE SER SER ASN GLU ALA PHE SEQRES 15 A 486 TYR LEU PRO GLU PRO PRO ARG ARG VAL LEU THR VAL GLY SEQRES 16 A 486 GLY GLY PHE ILE SER VAL GLU PHE ALA GLY ILE PHE ASN SEQRES 17 A 486 ALA TYR LYS PRO LYS ASP GLY GLN VAL THR LEU CYS TYR SEQRES 18 A 486 ARG GLY GLU MET ILE LEU ARG GLY PHE ASP HIS THR LEU SEQRES 19 A 486 ARG GLU GLU LEU THR LYS GLN LEU THR ALA ASN GLY ILE SEQRES 20 A 486 GLN ILE LEU THR LYS GLU ASN PRO ALA LYS VAL GLU LEU SEQRES 21 A 486 ASN ALA ASP GLY SER LYS SER VAL THR PHE GLU SER GLY SEQRES 22 A 486 LYS LYS MET ASP PHE ASP LEU VAL MET MET ALA ILE GLY SEQRES 23 A 486 ARG SER PRO ARG THR LYS ASP LEU GLN LEU GLN ASN ALA SEQRES 24 A 486 GLY VAL MET ILE LYS ASN GLY GLY VAL GLN VAL ASP GLU SEQRES 25 A 486 TYR SER ARG THR ASN VAL SER ASN ILE TYR ALA ILE GLY SEQRES 26 A 486 ASP VAL THR ASN ARG VAL MET LEU THR PRO VAL ALA ILE SEQRES 27 A 486 ASN GLU ALA ALA ALA LEU VAL ASP THR VAL PHE GLY THR SEQRES 28 A 486 THR PRO ARG LYS THR ASP HIS THR ARG VAL ALA SER ALA SEQRES 29 A 486 VAL PHE SER ILE PRO PRO ILE GLY THR CYS GLY LEU ILE SEQRES 30 A 486 GLU GLU VAL ALA SER LYS ARG TYR GLU VAL VAL ALA VAL SEQRES 31 A 486 TYR LEU SER SER PHE THR PRO LEU MET HIS LYS VAL SER SEQRES 32 A 486 GLY SER LYS TYR LYS THR PHE VAL ALA LYS ILE ILE THR SEQRES 33 A 486 ASN HIS SER ASP GLY THR VAL LEU GLY VAL HIS LEU LEU SEQRES 34 A 486 GLY ASP ASN ALA PRO GLU ILE ILE GLN GLY ILE GLY ILE SEQRES 35 A 486 CYS LEU LYS LEU ASN ALA LYS ILE SER ASP PHE TYR ASN SEQRES 36 A 486 THR ILE GLY VAL HIS PRO THR SER ALA GLU GLU LEU CYS SEQRES 37 A 486 SER MET ARG THR PRO SER TYR TYR TYR VAL LYS GLY GLU SEQRES 38 A 486 LYS MET GLU LYS PRO SEQRES 1 B 486 MET SER LYS ILE PHE ASP LEU VAL VAL ILE GLY ALA GLY SEQRES 2 B 486 SER GLY GLY LEU GLU ALA ALA TRP ASN ALA ALA THR LEU SEQRES 3 B 486 TYR LYS LYS ARG VAL ALA VAL ILE ASP VAL GLN MET VAL SEQRES 4 B 486 HIS GLY PRO PRO PHE PHE SER ALA LEU GLY GLY THR CYS SEQRES 5 B 486 VAL ASN VAL GLY CYS VAL PRO LYS LYS LEU MET VAL THR SEQRES 6 B 486 GLY ALA GLN TYR MET GLU HIS LEU ARG GLU SER ALA GLY SEQRES 7 B 486 PHE GLY TRP GLU PHE ASP ARG THR THR LEU ARG ALA GLU SEQRES 8 B 486 TRP LYS ASN LEU ILE ALA VAL LYS ASP GLU ALA VAL LEU SEQRES 9 B 486 ASN ILE ASN LYS SER TYR ASP GLU MET PHE ARG ASP THR SEQRES 10 B 486 GLU GLY LEU GLU PHE PHE LEU GLY TRP GLY SER LEU GLU SEQRES 11 B 486 SER LYS ASN VAL VAL ASN VAL ARG GLU SER ALA ASP PRO SEQRES 12 B 486 ALA SER ALA VAL LYS GLU ARG LEU GLU THR GLU HIS ILE SEQRES 13 B 486 LEU LEU ALA SER GLY SER TRP PRO HIS MET PRO ASN ILE SEQRES 14 B 486 PRO GLY ILE GLU HIS CYS ILE SER SER ASN GLU ALA PHE SEQRES 15 B 486 TYR LEU PRO GLU PRO PRO ARG ARG VAL LEU THR VAL GLY SEQRES 16 B 486 GLY GLY PHE ILE SER VAL GLU PHE ALA GLY ILE PHE ASN SEQRES 17 B 486 ALA TYR LYS PRO LYS ASP GLY GLN VAL THR LEU CYS TYR SEQRES 18 B 486 ARG GLY GLU MET ILE LEU ARG GLY PHE ASP HIS THR LEU SEQRES 19 B 486 ARG GLU GLU LEU THR LYS GLN LEU THR ALA ASN GLY ILE SEQRES 20 B 486 GLN ILE LEU THR LYS GLU ASN PRO ALA LYS VAL GLU LEU SEQRES 21 B 486 ASN ALA ASP GLY SER LYS SER VAL THR PHE GLU SER GLY SEQRES 22 B 486 LYS LYS MET ASP PHE ASP LEU VAL MET MET ALA ILE GLY SEQRES 23 B 486 ARG SER PRO ARG THR LYS ASP LEU GLN LEU GLN ASN ALA SEQRES 24 B 486 GLY VAL MET ILE LYS ASN GLY GLY VAL GLN VAL ASP GLU SEQRES 25 B 486 TYR SER ARG THR ASN VAL SER ASN ILE TYR ALA ILE GLY SEQRES 26 B 486 ASP VAL THR ASN ARG VAL MET LEU THR PRO VAL ALA ILE SEQRES 27 B 486 ASN GLU ALA ALA ALA LEU VAL ASP THR VAL PHE GLY THR SEQRES 28 B 486 THR PRO ARG LYS THR ASP HIS THR ARG VAL ALA SER ALA SEQRES 29 B 486 VAL PHE SER ILE PRO PRO ILE GLY THR CYS GLY LEU ILE SEQRES 30 B 486 GLU GLU VAL ALA SER LYS ARG TYR GLU VAL VAL ALA VAL SEQRES 31 B 486 TYR LEU SER SER PHE THR PRO LEU MET HIS LYS VAL SER SEQRES 32 B 486 GLY SER LYS TYR LYS THR PHE VAL ALA LYS ILE ILE THR SEQRES 33 B 486 ASN HIS SER ASP GLY THR VAL LEU GLY VAL HIS LEU LEU SEQRES 34 B 486 GLY ASP ASN ALA PRO GLU ILE ILE GLN GLY ILE GLY ILE SEQRES 35 B 486 CYS LEU LYS LEU ASN ALA LYS ILE SER ASP PHE TYR ASN SEQRES 36 B 486 THR ILE GLY VAL HIS PRO THR SER ALA GLU GLU LEU CYS SEQRES 37 B 486 SER MET ARG THR PRO SER TYR TYR TYR VAL LYS GLY GLU SEQRES 38 B 486 LYS MET GLU LYS PRO

HET FAD A 601 53 HET FAD B 602 53 HET GCG A 603 48 HET GCG A 604 48

HETNAM FAD FLAVIN-ADENINE DINUCLEOTIDE HETNAM GCG BIS(GAMMA-GLUTAMYL-CYSTEINYL-GLYCINYL)SPERMIDINE

HETSYN GCG TRYPANOTHIONE

FORMUL 3 FAD 2(C27 H33 N9 O15 P2) FORMUL 5 GCG 2(C27 H49 N9 O10 S2) FORMUL 7 HOH *409(H2 O)

HELIX 1 1 SER A 15 THR A 26 1 12 HELIX 2 2 GLY A 51 VAL A 56 1 6 HELIX 3 3 CYS A 58 PHE A 80 1 23 HELIX 4 4 ARG A 86 THR A 88 5 3 HELIX 5 5 TRP A 93 ARG A 116 1 24 HELIX 6 6 ILE A 173 HIS A 175 5 3 HELIX 7 7 SER A 179 TYR A 184 1 6 HELIX 8 8 PHE A 199 TYR A 211 1 13 HELIX 9 9 HIS A 233 ASN A 246 1 14 HELIX 10 10 LYS A 293 LEU A 295 5 3 HELIX 11 11 LEU A 297 ASN A 299 5 3 HELIX 12 12 GLY A 326 THR A 329 5 4 HELIX 13 13 THR A 335 PHE A 350 1 16 HELIX 14 14 GLU A 379 ARG A 385 1 7 HELIX 15 15 LEU A 399 SER A 404 1 6 HELIX 16 16 ALA A 434 LYS A 446 1 13 HELIX 17 17 ILE A 451 TYR A 455 1 5 HELIX 18 18 ALA A 465 CYS A 469 5 5 HELIX 19 19 SER B 15 ALA B 25 1 11 HELIX 20 20 GLY B 51 VAL B 56 1 6 HELIX 21 21 CYS B 58 PHE B 80 1 23 HELIX 22 22 ARG B 86 THR B 88 5 3 HELIX 23 23 TRP B 93 ASP B 117 1 25 HELIX 24 24 ILE B 173 HIS B 175 5 3 HELIX 25 25 SER B 179 TYR B 184 1 6 HELIX 26 26 PHE B 199 TYR B 211 1 13 HELIX 27 27 HIS B 233 ALA B 245 1 13 HELIX 28 28 LYS B 293 LEU B 295 5 3 HELIX 29 29 LEU B 297 ASN B 299 5 3 HELIX 30 30 GLY B 326 THR B 329 5 4 HELIX 31 31 THR B 335 PHE B 350 1 16 HELIX 32 32 GLU B 379 ARG B 385 1 7 HELIX 33 33 LEU B 399 SER B 404 1 6 HELIX 34 34 ALA B 434 LYS B 446 1 13 HELIX 35 35 ILE B 451 TYR B 455 1 5 HELIX 36 36 ALA B 465 CYS B 469 5 5

SHEET 1 A 5 ILE A 322 ALA A 324 0 SHEET 2 A 5 ILE A 157 LEU A 159 1 SHEET 3 A 5 LEU A 8 ILE A 11 1 N VAL A 9 O LEU A 158 SHEET 4 A 5 VAL A 32 ASP A 36 1 N ALA A 33 O LEU A 8 SHEET 5 A 5 LEU A 121 LEU A 125 1 N GLU A 122 O VAL A 32 SHEET 1 B 2 SER A 163 PRO A 165 0 SHEET 2 B 2 ARG A 288 PRO A 290 -1 SHEET 1 C 4 LEU A 281 MET A 284 0 SHEET 2 C 4 ARG A 191 VAL A 195 1 SHEET 3 C 4 GLN A 217 TYR A 222 1 N GLN A 217 O VAL A 192 SHEET 4 C 4 ILE A 248 THR A 252 1 N GLN A 249 O VAL A 218 SHEET 1 D 3 LYS A 276 PHE A 279 0 SHEET 2 D 3 LYS A 267 PHE A 271 -1 SHEET 3 D 3 PRO A 256 LEU A 261 -1 N GLU A 260 O SER A 268 SHEET 1 E 7 SER A 364 VAL A 366 0 SHEET 2 E 7 ILE A 372 GLY A 376 -1 SHEET 3 E 7 THR A 423 LEU A 430 -1 N LEU A 429 O GLY A 373 SHEET 4 E 7 THR A 410 ASN A 418 -1 N ASN A 418 O THR A 423 SHEET 5 E 7 VAL A 388 THR A 397 -1 N PHE A 396 O PHE A 411 SHEET 6 E 7 TYR A 476 VAL A 479 -1 N TYR A 478 O VAL A 389 SHEET 7 E 7 GLU A 482 MET A 484 -1 N MET A 484 O TYR A 477 SHEET 1 F 5 ILE B 322 ALA B 324 0 SHEET 2 F 5 ILE B 157 LEU B 159 1 SHEET 3 F 5 LEU B 8 ILE B 11 1 N VAL B 9 O LEU B 158 SHEET 4 F 5 VAL B 32 ASP B 36 1 N ALA B 33 O LEU B 8 SHEET 5 F 5 LEU B 121 LEU B 125 1 N GLU B 122 O VAL B 32 SHEET 1 G 2 SER B 163 PRO B 165 0 SHEET 2 G 2 ARG B 288 PRO B 290 -1 SHEET 1 H 4 LEU B 281 MET B 284 0 SHEET 2 H 4 ARG B 191 VAL B 195 1 SHEET 3 H 4 GLN B 217 TYR B 222 1 N GLN B 217 O VAL B 192 SHEET 4 H 4 ILE B 248 THR B 252 1 N GLN B 249 O VAL B 218 SHEET 1 I 3 LYS B 276 PHE B 279 0 SHEET 2 I 3 SER B 266 PHE B 271 -1 SHEET 3 I 3 PRO B 256 ASN B 262 -1 N ASN B 262 O SER B 266 SHEET 1 J 7 SER B 364 VAL B 366 0 SHEET 2 J 7 ILE B 372 GLY B 376 -1 SHEET 3 J 7 THR B 423 LEU B 430 -1 N LEU B 429 O GLY B 373 SHEET 4 J 7 THR B 410 ASN B 418 -1 N ASN B 418 O THR B 423 SHEET 5 J 7 VAL B 388 THR B 397 -1 N PHE B 396 O PHE B 411 SHEET 6 J 7 TYR B 476 VAL B 479 -1 N TYR B 478 O VAL B 389 SHEET 7 J 7 GLU B 482 MET B 484 -1 N MET B 484 O TYR B 477 SHEET 1 K 3 TRP A 127 SER A 132 0 SHEET 2 K 3 VAL A 135 ARG A 139 -1 SHEET 3 K 3 VAL A 148 GLU A 153 -1 N LEU A 152 O VAL A 136 SHEET 1 L 3 TRP B 127 SER B 132 0 SHEET 2 L 3 VAL B 135 ARG B 139 -1 SHEET 3 L 3 VAL B 148 GLU B 153 -1 N LEU B 152 O VAL B 136

SSBOND 1 CYS A 53 CYS A 58 1555 1555 2.02 SSBOND 2 CYS B 53 CYS B 58 1555 1555 2.03

CISPEP 1 PRO A 43 PRO A 44 0 0.18 CISPEP 2 ILE A 369 PRO A 370 0 -0.19 CISPEP 3 HIS A 461 PRO A 462 0 -0.26 CISPEP 4 PRO B 43 PRO B 44 0 0.28 CISPEP 5 ILE B 369 PRO B 370 0 -0.19 CISPEP 6 HIS B 461 PRO B 462 0 -0.23

SITE 1 AC1 36 GLY A 12 GLY A 14 SER A 15 GLY A 16 SITE 2 AC1 36 ASP A 36 VAL A 37 SER A 47 ALA A 48 SITE 3 AC1 36 GLY A 51 THR A 52 CYS A 53 VAL A 56 SITE 4 AC1 36 CYS A 58 LYS A 61 GLY A 126 GLY A 128 SITE 5 AC1 36 ALA A 160 SER A 161 GLY A 162 ARG A 288 SITE 6 AC1 36 ARG A 291 GLY A 326 ASP A 327 MET A 333 SITE 7 AC1 36 LEU A 334 THR A 335 PRO A 336 ALA A 338 SITE 8 AC1 36 HOH A 622 HOH A 637 HOH A 679 HOH A 700 SITE 9 AC1 36 HOH A 717 HIS B 461 PRO B 462 HOH B 685 SITE 1 AC2 35 HIS A 461 PRO A 462 HOH A 718 GLY B 12 SITE 2 AC2 35 GLY B 14 SER B 15 GLY B 16 ASP B 36 SITE 3 AC2 35 VAL B 37 SER B 47 ALA B 48 GLY B 51 SITE 4 AC2 35 THR B 52 CYS B 53 VAL B 56 GLY B 57 SITE 5 AC2 35 CYS B 58 LYS B 61 GLY B 126 TRP B 127 SITE 6 AC2 35 GLY B 128 ALA B 160 SER B 161 GLY B 162 SITE 7 AC2 35 ARG B 288 ARG B 291 LEU B 295 GLY B 326 SITE 8 AC2 35 ASP B 327 MET B 333 LEU B 334 THR B 335 SITE 9 AC2 35 PRO B 336 HOH B 689 HOH B 764 SITE 1 AC3 18 SER A 15 LEU A 18 GLU A 19 VAL A 54 SITE 2 AC3 18 VAL A 59 SER A 110 TYR A 111 ILE A 339 SITE 3 AC3 18 HOH A 714 HOH A 822 HOH A 823 PHE B 396 SITE 4 AC3 18 HIS B 461 THR B 463 SER B 464 GLU B 466 SITE 5 AC3 18 GLU B 467 SER B 470 SITE 1 AC4 24 PHE A 396 PRO A 398 LEU A 399 LYS A 402 SITE 2 AC4 24 GLY A 459 HIS A 461 THR A 463 SER A 464 SITE 3 AC4 24 GLU A 466 GLU A 467 SER A 470 HOH A 639 SITE 4 AC4 24 HOH A 766 HOH A 787 HOH A 824 GLU B 19 SITE 5 AC4 24 TRP B 22 VAL B 59 SER B 110 TYR B 111 SITE 6 AC4 24 THR B 335 PRO B 336 ILE B 339 HOH B 669

CRYST1 93.330 93.330 157.140 90.00 90.00 90.00 P 43 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 0.010715 0.000000 0.000000 0.00000

SCALE2 0.000000 0.010715 0.000000 0.00000

SCALE3 0.000000 0.000000 0.006364 0.00000

MTRIX1 1 -0.979957 0.199187 -0.002999 84.46800 1

MTRIX2 1 0.198788 0.978751 0.050298 -8.43900 1

MTRIX3 1 0.012955 0.048694 -0.998730 -0.12700 1