HEADER OXIDOREDUCTASE 15-DEC-99 1DMW TITLE CRYSTAL STRUCTURE OF DOUBLE TRUNCATED HUMAN PHENYLALANINE HYDROXYLASE TITLE 2 WITH BOUND 7,8-DIHYDRO-L-BIOPTERIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: PHENYLALANINE HYDROXYLASE; COMPND 3 CHAIN: A; COMPND 4 EC: 1.14.16.1; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 ORGAN: LIVER; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PMAL KEYWDS IRON ENZYME, 7, 8-DIHYDRO-L-BIOPTERIN, COFACTOR, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR H.ERLANDSEN,R.C.STEVENS,T.FLATMARK REVDAT 4 07-FEB-24 1DMW 1 REMARK LINK REVDAT 3 04-OCT-17 1DMW 1 REMARK REVDAT 2 24-FEB-09 1DMW 1 VERSN REVDAT 1 24-MAR-00 1DMW 0 JRNL AUTH H.ERLANDSEN,E.BJORGO,T.FLATMARK,R.C.STEVENS JRNL TITL CRYSTAL STRUCTURE AND SITE-SPECIFIC MUTAGENESIS OF JRNL TITL 2 PTERIN-BOUND HUMAN PHENYLALANINE HYDROXYLASE. JRNL REF BIOCHEMISTRY V. 39 2208 2000 JRNL REFN ISSN 0006-2960 JRNL PMID 10694386 JRNL DOI 10.1021/BI992531+ REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 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) (%) : 91.4 REMARK 3 NUMBER OF REFLECTIONS : 25189 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.200 REMARK 3 FREE R VALUE : 0.246 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 2781 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 : 2518 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 18 REMARK 3 SOLVENT ATOMS : 152 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 29.70 REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL 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) : NULL 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) : 0.016 REMARK 3 BOND ANGLES (DEGREES) : 1.659 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 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1DMW COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 22-DEC-99. REMARK 100 THE DEPOSITION ID IS D_1000010219. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 03-JUL-99 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.8 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL7-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.08 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 : MAR REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 29570 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 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 (%) : 96.5 REMARK 200 DATA REDUNDANCY : 3.500 REMARK 200 R MERGE (I) : 0.07200 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 11.4000 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) : 2.07 REMARK 200 COMPLETENESS FOR SHELL (%) : 69.2 REMARK 200 DATA REDUNDANCY IN SHELL : 2.00 REMARK 200 R MERGE FOR SHELL (I) : 0.31100 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: NULL REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 60.74 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.13 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG2000, NACL, PIPES, ETHYLENE GLYCOL, REMARK 280 PH 6.8, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 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 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 62.29550 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 62.29550 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 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 33.17850 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 53.99550 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 33.17850 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 53.99550 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 62.29550 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 33.17850 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 53.99550 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 62.29550 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 33.17850 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 53.99550 REMARK 290 SMTRY3 8 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 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 OE2 GLU A 214 O HOH A 571 2.09 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 CYS A 265 CB CYS A 265 SG -0.102 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 ARG A 176 NE - CZ - NH2 ANGL. DEV. = -3.1 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 GLN A 134 51.92 -152.43 REMARK 500 THR A 328 -80.93 -127.18 REMARK 500 PRO A 409 20.01 -73.42 REMARK 500 REMARK 500 REMARK: NULL 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 FE A 425 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 285 NE2 REMARK 620 2 HIS A 290 NE2 96.0 REMARK 620 3 GLU A 330 OE2 113.3 88.3 REMARK 620 4 HOH A 459 O 97.6 86.9 149.0 REMARK 620 5 HOH A 528 O 174.2 89.2 69.1 80.2 REMARK 620 6 HOH A 567 O 95.3 167.6 91.8 86.6 79.2 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FE A 425 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HBI A 700 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1PAH RELATED DB: PDB REMARK 900 NATIVE DOUBLE TRUNCATED HUMAN PHENYLALANINE HYDROXYLASE CRYSTAL REMARK 900 STRUCTURE - APO FORM REMARK 900 RELATED ID: 2PAH RELATED DB: PDB REMARK 900 TETRAMERIC HUMAN PHENYLALANINE HYDROXYLASE CRYSTAL STRUCTURE REMARK 900 RELATED ID: 3PAH RELATED DB: PDB REMARK 900 DOUBLE TRUNCATED FORM OF HUMAN PHENYLALANINE HYDROXYLASE WITH BOUND REMARK 900 ADRENALINE INHIBITOR REMARK 900 RELATED ID: 4PAH RELATED DB: PDB REMARK 900 DOUBLE TRUNCATED FORM OF HUMAN PHENYLALANINE HYDROXYLASE WITH BOUND REMARK 900 NOR-ADRENALINE INHIBITOR REMARK 900 RELATED ID: 5PAH RELATED DB: PDB REMARK 900 DOUBLE TRUNCATED FORM OF HUMAN PHENYLALANINE HYDROXYLASE WITH BOUND REMARK 900 DOPAMINE INHIBITOR REMARK 900 RELATED ID: 6PAH RELATED DB: PDB REMARK 900 DOUBLE TRUNCATED FORM OF HUMAN PHENYLALANINE HYDROXYLASE WITH BOUND REMARK 900 L-DOPA INHIBITOR DBREF 1DMW A 118 424 UNP P00439 PH4H_HUMAN 118 424 SEQRES 1 A 307 VAL PRO TRP PHE PRO ARG THR ILE GLN GLU LEU ASP ARG SEQRES 2 A 307 PHE ALA ASN GLN ILE LEU SER TYR GLY ALA GLU LEU ASP SEQRES 3 A 307 ALA ASP HIS PRO GLY PHE LYS ASP PRO VAL TYR ARG ALA SEQRES 4 A 307 ARG ARG LYS GLN PHE ALA ASP ILE ALA TYR ASN TYR ARG SEQRES 5 A 307 HIS GLY GLN PRO ILE PRO ARG VAL GLU TYR MET GLU GLU SEQRES 6 A 307 GLU LYS LYS THR TRP GLY THR VAL PHE LYS THR LEU LYS SEQRES 7 A 307 SER LEU TYR LYS THR HIS ALA CYS TYR GLU TYR ASN HIS SEQRES 8 A 307 ILE PHE PRO LEU LEU GLU LYS TYR CYS GLY PHE HIS GLU SEQRES 9 A 307 ASP ASN ILE PRO GLN LEU GLU ASP VAL SER GLN PHE LEU SEQRES 10 A 307 GLN THR CYS THR GLY PHE ARG LEU ARG PRO VAL ALA GLY SEQRES 11 A 307 LEU LEU SER SER ARG ASP PHE LEU GLY GLY LEU ALA PHE SEQRES 12 A 307 ARG VAL PHE HIS CYS THR GLN TYR ILE ARG HIS GLY SER SEQRES 13 A 307 LYS PRO MET TYR THR PRO GLU PRO ASP ILE CYS HIS GLU SEQRES 14 A 307 LEU LEU GLY HIS VAL PRO LEU PHE SER ASP ARG SER PHE SEQRES 15 A 307 ALA GLN PHE SER GLN GLU ILE GLY LEU ALA SER LEU GLY SEQRES 16 A 307 ALA PRO ASP GLU TYR ILE GLU LYS LEU ALA THR ILE TYR SEQRES 17 A 307 TRP PHE THR VAL GLU PHE GLY LEU CYS LYS GLN GLY ASP SEQRES 18 A 307 SER ILE LYS ALA TYR GLY ALA GLY LEU LEU SER SER PHE SEQRES 19 A 307 GLY GLU LEU GLN TYR CYS LEU SER GLU LYS PRO LYS LEU SEQRES 20 A 307 LEU PRO LEU GLU LEU GLU LYS THR ALA ILE GLN ASN TYR SEQRES 21 A 307 THR VAL THR GLU PHE GLN PRO LEU TYR TYR VAL ALA GLU SEQRES 22 A 307 SER PHE ASN ASP ALA LYS GLU LYS VAL ARG ASN PHE ALA SEQRES 23 A 307 ALA THR ILE PRO ARG PRO PHE SER VAL ARG TYR ASP PRO SEQRES 24 A 307 TYR THR GLN ARG ILE GLU VAL LEU HET FE A 425 1 HET HBI A 700 17 HETNAM FE FE (III) ION HETNAM HBI 7,8-DIHYDROBIOPTERIN FORMUL 2 FE FE 3+ FORMUL 3 HBI C9 H13 N5 O3 FORMUL 4 HOH *152(H2 O) HELIX 1 1 ILE A 125 GLN A 134 5 10 HELIX 2 2 GLY A 139 ASP A 143 5 5 HELIX 3 3 ASP A 151 TYR A 168 1 18 HELIX 4 4 MET A 180 SER A 196 1 17 HELIX 5 5 LEU A 197 ALA A 202 1 6 HELIX 6 6 CYS A 203 GLY A 218 1 16 HELIX 7 7 GLN A 226 GLY A 239 1 14 HELIX 8 8 SER A 250 ALA A 259 1 10 HELIX 9 9 ASP A 282 HIS A 290 1 9 HELIX 10 10 HIS A 290 SER A 295 1 6 HELIX 11 11 ASP A 296 LEU A 311 1 16 HELIX 12 12 PRO A 314 THR A 328 1 15 HELIX 13 13 GLY A 344 SER A 349 1 6 HELIX 14 14 SER A 350 LEU A 358 1 9 HELIX 15 15 GLU A 368 ALA A 373 1 6 HELIX 16 16 SER A 391 THR A 405 1 15 SHEET 1 A 2 ARG A 241 PRO A 244 0 SHEET 2 A 2 VAL A 262 CYS A 265 1 N PHE A 263 O ARG A 241 SHEET 1 B 4 SER A 339 ALA A 342 0 SHEET 2 B 4 LEU A 333 GLN A 336 -1 N CYS A 334 O LYS A 341 SHEET 3 B 4 LEU A 385 ALA A 389 1 O TYR A 387 N LEU A 333 SHEET 4 B 4 LYS A 363 PRO A 366 1 O LYS A 363 N TYR A 386 SHEET 1 C 2 SER A 411 ASP A 415 0 SHEET 2 C 2 ARG A 420 LEU A 424 -1 O ARG A 420 N ASP A 415 LINK NE2 HIS A 285 FE FE A 425 1555 1555 2.20 LINK NE2 HIS A 290 FE FE A 425 1555 1555 2.08 LINK OE2 GLU A 330 FE FE A 425 1555 1555 2.00 LINK FE FE A 425 O HOH A 459 1555 1555 2.32 LINK FE FE A 425 O HOH A 528 1555 1555 2.56 LINK FE FE A 425 O HOH A 567 1555 1555 2.22 SITE 1 AC1 6 HIS A 285 HIS A 290 GLU A 330 HOH A 459 SITE 2 AC1 6 HOH A 528 HOH A 567 SITE 1 AC2 11 GLY A 247 LEU A 249 SER A 251 PHE A 254 SITE 2 AC2 11 LEU A 255 ALA A 322 TYR A 325 HOH A 459 SITE 3 AC2 11 HOH A 518 HOH A 528 HOH A 580 CRYST1 66.357 107.991 124.591 90.00 90.00 90.00 C 2 2 21 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 0.015070 0.000000 0.000000 0.00000 SCALE2 0.000000 0.009260 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008030 0.00000