HEADER OXIDOREDUCTASE 31-AUG-02 1MLW TITLE CRYSTAL STRUCTURE OF HUMAN TRYPTOPHAN HYDROXYLASE WITH BOUND 7,8- TITLE 2 DIHYDRO-L-BIOPTERIN COFACTOR AND FE(III) COMPND MOL_ID: 1; COMPND 2 MOLECULE: TRYPTOPHAN 5-MONOOXYGENASE; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: DOUBLE TRUNCATED TRYPTOPHAN HYDROXYLASE CATALYTIC DOMAIN COMPND 5 (RESIDUES 102-402); COMPND 6 SYNONYM: TRYPTOPHAN 5-HYDROXYLASE; COMPND 7 EC: 1.14.16.4; COMPND 8 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: TPH; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET23A KEYWDS AROMATIC AMINO ACID HYDROXYLASE CATALYTIC DOMAIN FOLD, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR L.WANG,H.ERLANDSEN,J.HAAVIK,P.M.KNAPPSKOG,R.C.STEVENS REVDAT 3 14-FEB-24 1MLW 1 REMARK LINK REVDAT 2 24-FEB-09 1MLW 1 VERSN REVDAT 1 18-DEC-02 1MLW 0 JRNL AUTH L.WANG,H.ERLANDSEN,J.HAAVIK,P.M.KNAPPSKOG,R.C.STEVENS JRNL TITL THREE-DIMENSIONAL STRUCTURE OF HUMAN TRYPTOPHAN HYDROXYLASE JRNL TITL 2 AND ITS IMPLICATIONS FOR THE BIOSYNTHESIS OF THE JRNL TITL 3 NEUROTRANSMITTERS SEROTONIN AND MELATONIN JRNL REF BIOCHEMISTRY V. 41 12569 2002 JRNL REFN ISSN 0006-2960 JRNL PMID 12379098 JRNL DOI 10.1021/BI026561F REMARK 2 REMARK 2 RESOLUTION. 1.71 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.0 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) : 1.71 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) (%) : 93.3 REMARK 3 NUMBER OF REFLECTIONS : 31528 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.206 REMARK 3 FREE R VALUE : 0.230 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 1347 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 : 2345 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 18 REMARK 3 SOLVENT ATOMS : 242 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 21.80 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 54.73 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 1.34000 REMARK 3 B22 (A**2) : 1.02700 REMARK 3 B33 (A**2) : -2.36800 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.20 REMARK 3 ESD FROM SIGMAA (A) : 0.18 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.23 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.15 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : NULL REMARK 3 DIHEDRAL ANGLES (DEGREES) : 20.90 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.790 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : ANISOTROPIC 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : NEWFE.PARAM REMARK 3 PARAMETER FILE 4 : H2B.PAR REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1MLW COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 04-SEP-02. REMARK 100 THE DEPOSITION ID IS D_1000017003. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 05-MAY-02 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL9-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.954 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 : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 32923 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.710 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.2 REMARK 200 DATA REDUNDANCY : 9.000 REMARK 200 R MERGE (I) : 0.09900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 32.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.71 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.77 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.4 REMARK 200 DATA REDUNDANCY IN SHELL : 9.00 REMARK 200 R MERGE FOR SHELL (I) : 0.00991 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: EPMR REMARK 200 STARTING MODEL: PDB ENTRY 1PAH REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.10 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.16 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 16-18% MPEG5000, 25-40 MM MES BUFFER, REMARK 280 PH 6.0, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 277K 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 23.88750 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 54.70500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 28.66700 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 54.70500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 23.88750 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 28.66700 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 300 REMARK: BIOLOGICAL UNIT IS A MONOMER 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 102 REMARK 465 GLU A 103 REMARK 465 LYS A 394 REMARK 465 ARG A 395 REMARK 465 PRO A 396 REMARK 465 PHE A 397 REMARK 465 GLY A 398 REMARK 465 VAL A 399 REMARK 465 LYS A 400 REMARK 465 TYR A 401 REMARK 465 ASN A 402 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 TYR A 125 -143.93 63.19 REMARK 500 THR A 315 -82.03 -123.90 REMARK 500 THR A 367 -29.29 83.66 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 403 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 272 NE2 REMARK 620 2 HIS A 277 NE2 94.7 REMARK 620 3 GLU A 317 OE2 96.4 90.3 REMARK 620 4 HOH A 600 O 177.8 87.2 82.5 REMARK 620 5 HOH A 601 O 94.0 90.7 169.4 87.0 REMARK 620 6 HOH A 602 O 90.5 173.2 93.3 87.7 84.6 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 403 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HBI A 900 DBREF 1MLW A 102 402 UNP P17752 TPH1_HUMAN 102 402 SEQRES 1 A 301 MET GLU SER VAL PRO TRP PHE PRO LYS LYS ILE SER ASP SEQRES 2 A 301 LEU ASP HIS CYS ALA ASN ARG VAL LEU MET TYR GLY SER SEQRES 3 A 301 GLU LEU ASP ALA ASP HIS PRO GLY PHE LYS ASP ASN VAL SEQRES 4 A 301 TYR ARG LYS ARG ARG LYS TYR PHE ALA ASP LEU ALA MET SEQRES 5 A 301 ASN TYR LYS HIS GLY ASP PRO ILE PRO LYS VAL GLU PHE SEQRES 6 A 301 THR GLU GLU GLU ILE LYS THR TRP GLY THR VAL PHE ARG SEQRES 7 A 301 GLU LEU ASN LYS LEU TYR PRO THR HIS ALA CYS ARG GLU SEQRES 8 A 301 TYR LEU LYS ASN LEU PRO LEU LEU SER LYS TYR CYS GLY SEQRES 9 A 301 TYR ARG GLU ASP ASN ILE PRO GLN LEU GLU ASP VAL SER SEQRES 10 A 301 ASN PHE LEU LYS GLU ARG THR GLY PHE SER ILE ARG PRO SEQRES 11 A 301 VAL ALA GLY TYR LEU SER PRO ARG ASP PHE LEU SER GLY SEQRES 12 A 301 LEU ALA PHE ARG VAL PHE HIS CYS THR GLN TYR VAL ARG SEQRES 13 A 301 HIS SER SER ASP PRO PHE TYR THR PRO GLU PRO ASP THR SEQRES 14 A 301 CYS HIS GLU LEU LEU GLY HIS VAL PRO LEU LEU ALA GLU SEQRES 15 A 301 PRO SER PHE ALA GLN PHE SER GLN GLU ILE GLY LEU ALA SEQRES 16 A 301 SER LEU GLY ALA SER GLU GLU ALA VAL GLN LYS LEU ALA SEQRES 17 A 301 THR CYS TYR PHE PHE THR VAL GLU PHE GLY LEU CYS LYS SEQRES 18 A 301 GLN ASP GLY GLN LEU ARG VAL PHE GLY ALA GLY LEU LEU SEQRES 19 A 301 SER SER ILE SER GLU LEU LYS HIS ALA LEU SER GLY HIS SEQRES 20 A 301 ALA LYS VAL LYS PRO PHE ASP PRO LYS ILE THR CYS LYS SEQRES 21 A 301 GLN GLU CYS LEU ILE THR THR PHE GLN ASP VAL TYR PHE SEQRES 22 A 301 VAL SER GLU SER PHE GLU ASP ALA LYS GLU LYS MET ARG SEQRES 23 A 301 GLU PHE THR LYS THR ILE LYS ARG PRO PHE GLY VAL LYS SEQRES 24 A 301 TYR ASN HET FE A 403 1 HET HBI A 900 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 *242(H2 O) HELIX 1 1 LYS A 111 CYS A 118 5 8 HELIX 2 2 ASP A 138 TYR A 155 1 18 HELIX 3 3 THR A 167 ALA A 189 1 23 HELIX 4 4 CYS A 190 GLY A 205 1 16 HELIX 5 5 GLN A 213 THR A 225 1 13 HELIX 6 6 SER A 237 ALA A 246 1 10 HELIX 7 7 ASP A 269 HIS A 277 1 9 HELIX 8 8 HIS A 277 ALA A 282 1 6 HELIX 9 9 GLU A 283 LEU A 298 1 16 HELIX 10 10 SER A 301 PHE A 314 1 14 HELIX 11 11 GLY A 331 SER A 336 1 6 HELIX 12 12 SER A 337 LEU A 345 1 9 HELIX 13 13 ASP A 355 CYS A 360 1 6 HELIX 14 14 SER A 378 LYS A 391 1 14 SHEET 1 A 2 SER A 228 PRO A 231 0 SHEET 2 A 2 VAL A 249 CYS A 252 1 O CYS A 252 N ARG A 230 SHEET 1 B 2 LEU A 320 GLN A 323 0 SHEET 2 B 2 GLN A 326 VAL A 329 -1 O ARG A 328 N CYS A 321 SHEET 1 C 2 LYS A 350 PRO A 353 0 SHEET 2 C 2 VAL A 372 VAL A 375 1 O VAL A 375 N LYS A 352 LINK NE2 HIS A 272 FE FE A 403 1555 1555 2.09 LINK NE2 HIS A 277 FE FE A 403 1555 1555 2.00 LINK OE2 GLU A 317 FE FE A 403 1555 1555 2.36 LINK FE FE A 403 O HOH A 600 1555 1555 2.18 LINK FE FE A 403 O HOH A 601 1555 1555 2.22 LINK FE FE A 403 O HOH A 602 1555 1555 2.11 SITE 1 AC1 7 HIS A 272 HIS A 277 GLU A 317 HOH A 600 SITE 2 AC1 7 HOH A 601 HOH A 602 HBI A 900 SITE 1 AC2 14 VAL A 232 GLY A 234 TYR A 235 LEU A 236 SITE 2 AC2 14 PRO A 238 PHE A 241 TYR A 312 FE A 403 SITE 3 AC2 14 HOH A 506 HOH A 600 HOH A 601 HOH A 629 SITE 4 AC2 14 HOH A 682 HOH A 719 CRYST1 47.775 57.334 109.410 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 0.020931 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017442 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009140 0.00000