2AS4 - Header Asymmetric Unit

HEADER OXIDOREDUCTASE 22-AUG-05 2AS4

TITLE CYTOCHROME C PEROXIDASE IN COMPLEX WITH 3-FLUOROCATECHOL

COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYTOCHROME C PEROXIDASE, MITOCHONDRIAL; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: CYTOCHROME C PEROXIDASE; COMPND 5 SYNONYM: CCP; COMPND 6 EC: 1.11.1.5; COMPND 7 ENGINEERED: YES; COMPND 8 MUTATION: YES

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SACCHAROMYCES CEREVISIAE; SOURCE 3 ORGANISM_COMMON: BAKER'S YEAST; SOURCE 4 ORGANISM_TAXID: 4932; SOURCE 5 GENE: CCP1, CCP, CPO; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PT7CCP

KEYWDS OXIDOREDUCTASE, PEROXIDASE, MODEL BINDING SITE

EXPDTA X-RAY DIFFRACTION

AUTHOR R.BRENK,S.W.VETTER,S.E.BOYCE,D.B.GOODIN,B.K.SHOICHET

REVDAT 2 24-FEB-09 2AS4 1 VERSN REVDAT 1 11-APR-06 2AS4 0

JRNL AUTH R.BRENK,S.W.VETTER,S.E.BOYCE,D.B.GOODIN, JRNL AUTH 2 B.K.SHOICHET JRNL TITL PROBING MOLECULAR DOCKING IN A CHARGED MODEL JRNL TITL 2 BINDING SITE. JRNL REF J.MOL.BIOL. V. 357 1449 2006 JRNL REFN ISSN 0022-2836 JRNL PMID 16490206 JRNL DOI 10.1016/J.JMB.2006.01.034

REMARK 1

REMARK 2 REMARK 2 RESOLUTION. 1.30 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : SHELXL-97 REMARK 3 AUTHORS : G.M.SHELDRICK REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 88.0 REMARK 3 CROSS-VALIDATION METHOD : FREE R REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.138 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : 0.175 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 4798 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 90125 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : 0.132 REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : NULL REMARK 3 FREE R VALUE (F>4SIG(F)) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 75909 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2309 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 62 REMARK 3 SOLVENT ATOMS : 376 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : 2726.91 REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : 0.00 REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : 10 REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : 24731 REMARK 3 NUMBER OF RESTRAINTS : 30076 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 ANGLE DISTANCES (A) : 0.017 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.000 REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : 0.029 REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.086 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 0.074 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : 0.016 REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : 0.005 REMARK 3 SIMILAR ADP COMPONENTS (A**2) : 0.043 REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : 0.096 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: NULL REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : ENGH AND HUBER REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: ANISOTROPIC REFINEMENT REDUCED FREE REMARK 3 R (NO CUTOFF) BY 7 % AND THE R-FACTOR BY 8 %

REMARK 4 REMARK 4 2AS4 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 06-SEP-05. REMARK 100 THE RCSB ID CODE IS RCSB034248.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 10-APR-05 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 4.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 8.3.1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.11588 REMARK 200 MONOCHROMATOR : DOUBLE CRYSTAL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 95083 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.300 REMARK 200 RESOLUTION RANGE LOW (A) : 10.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.0 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.03900 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 31.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.35 REMARK 200 COMPLETENESS FOR SHELL (%) : 78.9 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 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: 1AC4 REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 59.99 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.90 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: MPD, ACETATE, PH 4.5, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 291K

REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 REMARK 290 4555 X+1/2,-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 25.62000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 53.52000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 37.74500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 53.52000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 25.62000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 37.74500 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 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 1 REMARK 465 LYS A 2 REMARK 465 THR A 3

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 LEU A 4 CD1 CD2 REMARK 470 LYS A 12 NZ REMARK 470 GLU A 17 CG CD OE1 OE2 REMARK 470 LYS A 21 NZ REMARK 470 GLU A 32 CD OE1 OE2 REMARK 470 GLU A 35 OE1 OE2 REMARK 470 LYS A 74 CG CD CE NZ REMARK 470 LYS A 90 CD CE NZ REMARK 470 GLU A 93 CD OE1 OE2 REMARK 470 LYS A 97 CG CD CE NZ REMARK 470 LYS A 183 CD CE NZ REMARK 470 LYS A 212 CE NZ REMARK 470 LYS A 226 CE NZ REMARK 470 LYS A 260 NZ REMARK 470 LYS A 264 CE NZ REMARK 470 LYS A 278 CG CD CE NZ REMARK 470 LYS A 287 CE NZ

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 TYR A 23 CG - CD1 - CE1 ANGL. DEV. = 5.7 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 33 57.13 -93.11 REMARK 500 ASP A 148 38.43 -96.91 REMARK 500 ALA A 194 68.07 -105.34 REMARK 500 ASP A 254 88.49 -153.65 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 A1521 DISTANCE = 5.23 ANGSTROMS

REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM A 400 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 175 NE2 REMARK 620 2 HOH A1415 O 177.8 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K A 600 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A1004 O REMARK 620 2 LEU A 177 O 146.5 REMARK 620 3 HOH A1003 O 81.8 124.8 REMARK 620 4 HIS A 175 O 106.9 86.3 106.4 REMARK 620 N 1 2 3

REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 600 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 400 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 3FA A 500 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 3FA A 700

REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1AA4 RELATED DB: PDB REMARK 900 APO-STRUCTURE REMARK 900 RELATED ID: 2ANZ RELATED DB: PDB REMARK 900 SAME PROTEIN, DIFFERENT LIGAND REMARK 900 RELATED ID: 2AQD RELATED DB: PDB REMARK 900 SAME PROTEIN, DIFFERENT LIGAND REMARK 900 RELATED ID: 2AS1 RELATED DB: PDB REMARK 900 SAME PROTEIN, DIFFERENT LIGAND REMARK 900 RELATED ID: 2AS2 RELATED DB: PDB REMARK 900 SAME PROTEIN, DIFFERENT LIGAND REMARK 900 RELATED ID: 2AS3 RELATED DB: PDB REMARK 900 SAME PROTEIN, DIFFERENT LIGAND

DBREF 2AS4 A 4 294 UNP P00431 CCPR_YEAST 71 361

SEQADV 2AS4 MET A 1 UNP P00431 CLONING ARTIFACT SEQADV 2AS4 LYS A 2 UNP P00431 CLONING ARTIFACT SEQADV 2AS4 THR A 3 UNP P00431 CLONING ARTIFACT SEQADV 2AS4 ILE A 53 UNP P00431 THR 120 CONFLICT SEQADV 2AS4 GLY A 152 UNP P00431 ASP 219 CONFLICT SEQADV 2AS4 GLY A 191 UNP P00431 TRP 258 ENGINEERED

SEQRES 1 A 294 MET LYS THR LEU VAL HIS VAL ALA SER VAL GLU LYS GLY SEQRES 2 A 294 ARG SER TYR GLU ASP PHE GLN LYS VAL TYR ASN ALA ILE SEQRES 3 A 294 ALA LEU LYS LEU ARG GLU ASP ASP GLU TYR ASP ASN TYR SEQRES 4 A 294 ILE GLY TYR GLY PRO VAL LEU VAL ARG LEU ALA TRP HIS SEQRES 5 A 294 ILE SER GLY THR TRP ASP LYS HIS ASP ASN THR GLY GLY SEQRES 6 A 294 SER TYR GLY GLY THR TYR ARG PHE LYS LYS GLU PHE ASN SEQRES 7 A 294 ASP PRO SER ASN ALA GLY LEU GLN ASN GLY PHE LYS PHE SEQRES 8 A 294 LEU GLU PRO ILE HIS LYS GLU PHE PRO TRP ILE SER SER SEQRES 9 A 294 GLY ASP LEU PHE SER LEU GLY GLY VAL THR ALA VAL GLN SEQRES 10 A 294 GLU MET GLN GLY PRO LYS ILE PRO TRP ARG CYS GLY ARG SEQRES 11 A 294 VAL ASP THR PRO GLU ASP THR THR PRO ASP ASN GLY ARG SEQRES 12 A 294 LEU PRO ASP ALA ASP LYS ASP ALA GLY TYR VAL ARG THR SEQRES 13 A 294 PHE PHE GLN ARG LEU ASN MET ASN ASP ARG GLU VAL VAL SEQRES 14 A 294 ALA LEU MET GLY ALA HIS ALA LEU GLY LYS THR HIS LEU SEQRES 15 A 294 LYS ASN SER GLY TYR GLU GLY PRO GLY GLY ALA ALA ASN SEQRES 16 A 294 ASN VAL PHE THR ASN GLU PHE TYR LEU ASN LEU LEU ASN SEQRES 17 A 294 GLU ASP TRP LYS LEU GLU LYS ASN ASP ALA ASN ASN GLU SEQRES 18 A 294 GLN TRP ASP SER LYS SER GLY TYR MET MET LEU PRO THR SEQRES 19 A 294 ASP TYR SER LEU ILE GLN ASP PRO LYS TYR LEU SER ILE SEQRES 20 A 294 VAL LYS GLU TYR ALA ASN ASP GLN ASP LYS PHE PHE LYS SEQRES 21 A 294 ASP PHE SER LYS ALA PHE GLU LYS LEU LEU GLU ASN GLY SEQRES 22 A 294 ILE THR PHE PRO LYS ASP ALA PRO SER PRO PHE ILE PHE SEQRES 23 A 294 LYS THR LEU GLU GLU GLN GLY LEU

HET K A 600 1 HET HEM A 400 43 HET 3FA A 500 9 HET 3FA A 700 9

HETNAM K POTASSIUM ION HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM 3FA 3-FLUOROBENZENE-1,2-DIOL

HETSYN HEM HEME HETSYN 3FA 3-FLUOROCATECHOL

FORMUL 2 K K 1+ FORMUL 3 HEM C34 H32 FE N4 O4 FORMUL 4 3FA 2(C6 H5 F O2) FORMUL 6 HOH *375(H2 O)

HELIX 1 1 SER A 15 ASP A 33 1 19 HELIX 2 2 GLU A 35 ILE A 40 1 6 HELIX 3 3 TYR A 42 GLY A 55 1 14 HELIX 4 4 GLY A 69 ARG A 72 5 4 HELIX 5 5 PHE A 73 ASN A 78 1 6 HELIX 6 6 ASP A 79 GLY A 84 5 6 HELIX 7 7 LEU A 85 PHE A 99 1 15 HELIX 8 8 SER A 103 MET A 119 1 17 HELIX 9 9 PRO A 134 THR A 138 5 5 HELIX 10 10 ASP A 150 ARG A 160 1 11 HELIX 11 11 ASN A 164 GLY A 173 1 10 HELIX 12 12 ALA A 174 LEU A 177 5 4 HELIX 13 13 HIS A 181 GLY A 186 1 6 HELIX 14 14 ASN A 200 GLU A 209 1 10 HELIX 15 15 LEU A 232 ASP A 241 1 10 HELIX 16 16 ASP A 241 ASN A 253 1 13 HELIX 17 17 ASP A 254 ASN A 272 1 19 HELIX 18 18 THR A 288 GLY A 293 1 6

SHEET 1 A 2 HIS A 6 VAL A 7 0 SHEET 2 A 2 ILE A 274 THR A 275 1 O THR A 275 N HIS A 6 SHEET 1 B 2 LYS A 179 THR A 180 0 SHEET 2 B 2 GLY A 189 PRO A 190 -1 O GLY A 189 N THR A 180 SHEET 1 C 3 TRP A 211 LYS A 215 0 SHEET 2 C 3 GLU A 221 SER A 225 -1 O ASP A 224 N LYS A 212 SHEET 3 C 3 MET A 230 MET A 231 -1 O MET A 231 N TRP A 223

LINK FE HEM A 400 NE2 HIS A 175 1555 1555 2.06 LINK FE HEM A 400 O HOH A1415 1555 1555 2.14 LINK K B K A 600 O BHOH A1004 1555 1555 2.64 LINK K B K A 600 O LEU A 177 1555 1555 2.87 LINK K B K A 600 O BHOH A1003 1555 1555 3.09 LINK K B K A 600 O HIS A 175 1555 1555 2.99

SITE 1 AC1 5 HIS A 175 LEU A 177 HOH A1000 HOH A1003 SITE 2 AC1 5 HOH A1004 SITE 1 AC2 23 PRO A 44 ARG A 48 TRP A 51 PRO A 145 SITE 2 AC2 23 ASP A 146 ALA A 147 LEU A 171 ALA A 174 SITE 3 AC2 23 HIS A 175 LEU A 177 GLY A 178 LYS A 179 SITE 4 AC2 23 THR A 180 HIS A 181 ASN A 184 SER A 185 SITE 5 AC2 23 LEU A 232 THR A 234 3FA A 500 HOH A1121 SITE 6 AC2 23 HOH A1136 HOH A1161 HOH A1415 SITE 1 AC3 16 HIS A 175 GLY A 178 LYS A 179 GLY A 189 SITE 2 AC3 16 PRO A 190 GLY A 191 MET A 230 MET A 231 SITE 3 AC3 16 LEU A 232 ASP A 235 HEM A 400 HOH A1000 SITE 4 AC3 16 HOH A1001 HOH A1002 HOH A1003 HOH A1004 SITE 1 AC4 7 PHE A 89 GLU A 93 HIS A 96 SER A 104 SITE 2 AC4 7 LEU A 107 PHE A 108 HOH A1411

CRYST1 51.240 75.490 107.040 90.00 90.00 90.00 P 21 21 21 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 0.019516 0.000000 0.000000 0.00000

SCALE2 0.000000 0.013247 0.000000 0.00000

SCALE3 0.000000 0.000000 0.009342 0.00000