HEADER OXIDOREDUCTASE 17-NOV-20 7KQT TITLE A 1.84-A RESOLUTION CRYSTAL STRUCTURE OF HEME-DEPENDENT L-TYROSINE TITLE 2 HYDROXYLASE IN COMPLEX WITH 3-FLUORO-L-TYROSINE AND CYANIDE COMPND MOL_ID: 1; COMPND 2 MOLECULE: HEME-DEPENDENT L-TYROSINE HYDROXYLASE; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STREPTOMYCES SCLEROTIALUS; SOURCE 3 ORGANISM_TAXID: 1957; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS HEME-BINDING ENZYME, L-TYROSINE HYDROXYLASE, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR Y.WANG,A.LIU REVDAT 3 18-OCT-23 7KQT 1 REMARK REVDAT 2 07-APR-21 7KQT 1 JRNL REVDAT 1 31-MAR-21 7KQT 0 JRNL AUTH Y.WANG,I.DAVIS,I.SHIN,H.XU,A.LIU JRNL TITL MOLECULAR RATIONALE FOR PARTITIONING BETWEEN C-H AND C-F JRNL TITL 2 BOND ACTIVATION IN HEME-DEPENDENT TYROSINE HYDROXYLASE. JRNL REF J.AM.CHEM.SOC. V. 143 4680 2021 JRNL REFN ESSN 1520-5126 JRNL PMID 33734681 JRNL DOI 10.1021/JACS.1C00175 REMARK 2 REMARK 2 RESOLUTION. 1.84 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.10.1 REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.84 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 48.27 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.370 REMARK 3 COMPLETENESS FOR RANGE (%) : 97.4 REMARK 3 NUMBER OF REFLECTIONS : 49387 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.205 REMARK 3 R VALUE (WORKING SET) : 0.203 REMARK 3 FREE R VALUE : 0.250 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.060 REMARK 3 FREE R VALUE TEST SET COUNT : 2003 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 48.2660 - 4.4215 0.99 3492 154 0.1862 0.2246 REMARK 3 2 4.4215 - 3.5098 0.98 3431 142 0.1652 0.1806 REMARK 3 3 3.5098 - 3.0662 1.00 3452 149 0.1861 0.2382 REMARK 3 4 3.0662 - 2.7859 0.98 3405 143 0.2043 0.2638 REMARK 3 5 2.7859 - 2.5863 0.97 3396 144 0.2050 0.2761 REMARK 3 6 2.5863 - 2.4338 0.99 3454 139 0.2016 0.2633 REMARK 3 7 2.4338 - 2.3119 0.99 3429 159 0.2021 0.2659 REMARK 3 8 2.3119 - 2.2113 0.99 3468 130 0.2057 0.2538 REMARK 3 9 2.2113 - 2.1261 0.94 3248 149 0.2191 0.2678 REMARK 3 10 2.1261 - 2.0528 0.98 3412 125 0.2474 0.3091 REMARK 3 11 2.0528 - 1.9886 0.99 3411 159 0.2625 0.3342 REMARK 3 12 1.9886 - 1.9317 0.99 3418 150 0.2874 0.3270 REMARK 3 13 1.9317 - 1.8809 0.99 3466 121 0.3281 0.4111 REMARK 3 14 1.8809 - 1.8350 0.85 2902 139 0.3729 0.4121 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.260 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 32.300 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 27.87 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 43.04 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.007 4971 REMARK 3 ANGLE : 0.883 6800 REMARK 3 CHIRALITY : 0.048 723 REMARK 3 PLANARITY : 0.006 884 REMARK 3 DIHEDRAL : 19.007 2901 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: ALL REMARK 3 ORIGIN FOR THE GROUP (A): 18.5993 1.3537 13.1792 REMARK 3 T TENSOR REMARK 3 T11: 0.1452 T22: 0.2156 REMARK 3 T33: 0.1946 T12: 0.0029 REMARK 3 T13: -0.0109 T23: -0.0249 REMARK 3 L TENSOR REMARK 3 L11: 0.4565 L22: 1.8455 REMARK 3 L33: 1.4878 L12: -0.1804 REMARK 3 L13: -0.1700 L23: -0.5122 REMARK 3 S TENSOR REMARK 3 S11: 0.0397 S12: 0.0075 S13: 0.0170 REMARK 3 S21: -0.1782 S22: -0.0432 S23: -0.0024 REMARK 3 S31: -0.1055 S32: -0.0859 S33: -0.0005 REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 7KQT COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 19-NOV-20. REMARK 100 THE DEPOSITION ID IS D_1000253015. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 19-DEC-19 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL9-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97946 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS3 S 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 49481 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.835 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.6 REMARK 200 DATA REDUNDANCY : 6.600 REMARK 200 R MERGE (I) : 0.13400 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 4.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.84 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.87 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.4 REMARK 200 DATA REDUNDANCY IN SHELL : 6.40 REMARK 200 R MERGE FOR SHELL (I) : 0.94800 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: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHENIX REMARK 200 STARTING MODEL: 7KQR REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 42.45 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.14 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M BIS-TRIS (PH 6.1), 0.2 M MGCL2, REMARK 280 AND 16% (W/V) PEG 3350, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 289K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 64.72300 REMARK 290 SMTRY3 2 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 6110 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 23750 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -54.0 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 GLY A -1 REMARK 465 HIS A 0 REMARK 465 MET A 1 REMARK 465 ASN A 2 REMARK 465 THR A 3 REMARK 465 GLY A 4 REMARK 465 THR A 5 REMARK 465 GLU A 272 REMARK 465 ALA A 309 REMARK 465 LEU A 310 REMARK 465 ALA A 311 REMARK 465 SER A 312 REMARK 465 ASP A 313 REMARK 465 ARG A 314 REMARK 465 GLY B -1 REMARK 465 HIS B 0 REMARK 465 MET B 1 REMARK 465 ASN B 2 REMARK 465 THR B 3 REMARK 465 GLY B 4 REMARK 465 THR B 5 REMARK 465 SER B 307 REMARK 465 PRO B 308 REMARK 465 ALA B 309 REMARK 465 LEU B 310 REMARK 465 ALA B 311 REMARK 465 SER B 312 REMARK 465 ASP B 313 REMARK 465 ARG B 314 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 FE HEM B 401 C CYN B 403 1.86 REMARK 500 FE HEM A 401 C CYN A 403 2.00 REMARK 500 O HOH B 613 O HOH B 643 2.11 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 ALA A 41 NH2 ARG A 138 1455 2.17 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 THR A 7 70.12 62.84 REMARK 500 SER A 43 32.62 -86.60 REMARK 500 SER A 239 -139.10 -155.00 REMARK 500 ALA A 265 161.88 76.93 REMARK 500 THR B 7 74.28 64.64 REMARK 500 VAL B 144 -60.21 -120.33 REMARK 500 HIS B 153 127.25 -172.29 REMARK 500 SER B 239 -148.80 -154.31 REMARK 500 ALA B 265 169.22 70.15 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 641 DISTANCE = 6.61 ANGSTROMS REMARK 525 HOH B 663 DISTANCE = 8.41 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 401 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 196 NE2 REMARK 620 2 HEM A 401 NA 78.8 REMARK 620 3 HEM A 401 NB 90.5 85.6 REMARK 620 4 HEM A 401 NC 96.8 175.1 96.8 REMARK 620 5 HEM A 401 ND 86.4 92.7 176.7 84.7 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM B 401 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 196 NE2 REMARK 620 2 HEM B 401 NA 85.8 REMARK 620 3 HEM B 401 NB 91.5 86.7 REMARK 620 4 HEM B 401 NC 90.6 176.3 94.0 REMARK 620 5 HEM B 401 ND 87.5 91.7 178.1 87.6 REMARK 620 N 1 2 3 4 DBREF 7KQT A -1 314 PDB 7KQT 7KQT -1 314 DBREF 7KQT B -1 314 PDB 7KQT 7KQT -1 314 SEQRES 1 A 316 GLY HIS MET ASN THR GLY THR GLY THR VAL LEU THR GLU SEQRES 2 A 316 LEU PRO ASP HIS GLY ARG TRP ASP PHE GLY ASP PHE PRO SEQRES 3 A 316 TYR GLY LEU GLU PRO LEU THR LEU PRO GLU PRO GLY SER SEQRES 4 A 316 LEU GLU ALA ALA ASP SER GLY SER VAL PRO ALA GLU PHE SEQRES 5 A 316 THR LEU THR CYS ARG HIS ILE ALA ALA ILE ALA ALA GLY SEQRES 6 A 316 GLY GLY PRO ALA GLU ARG VAL GLN PRO ALA ASP SER SER SEQRES 7 A 316 ASP ARG LEU TYR TRP PHE ARG TRP ILE THR GLY HIS GLN SEQRES 8 A 316 VAL THR PHE ILE LEU TRP GLN LEU LEU SER ARG GLU LEU SEQRES 9 A 316 ALA ARG LEU PRO GLU GLU GLY PRO GLU ARG ASP ALA ALA SEQRES 10 A 316 LEU LYS ALA MET THR ARG TYR VAL ARG GLY TYR CYS ALA SEQRES 11 A 316 MET LEU LEU TYR THR GLY SER MET PRO ARG THR VAL TYR SEQRES 12 A 316 GLY ASP VAL ILE ARG PRO SER MET PHE LEU GLN HIS PRO SEQRES 13 A 316 GLY PHE SER GLY THR TRP ALA PRO ASP HIS LYS PRO VAL SEQRES 14 A 316 GLN ALA LEU PHE ARG GLY LYS LYS LEU PRO CYS VAL ARG SEQRES 15 A 316 ASP SER ALA ASP LEU ALA GLN ALA VAL HIS VAL TYR GLN SEQRES 16 A 316 VAL ILE HIS ALA GLY ILE ALA ALA ARG MET VAL PRO SER SEQRES 17 A 316 GLY ARG SER LEU LEU GLN GLU ALA SER VAL PRO SER GLY SEQRES 18 A 316 VAL GLN HIS PRO ASP VAL LEU GLY VAL VAL TYR ASP ASN SEQRES 19 A 316 TYR PHE LEU THR LEU ARG SER ARG PRO SER SER ARG ASP SEQRES 20 A 316 VAL VAL ALA GLN LEU LEU ARG ARG LEU THR ALA ILE ALA SEQRES 21 A 316 LEU ASP VAL LYS ASP ASN ALA LEU TYR PRO ASP GLY ARG SEQRES 22 A 316 GLU ALA GLY SER GLU LEU PRO GLU GLU LEU THR ARG PRO SEQRES 23 A 316 GLU VAL THR GLY HIS GLU ARG ASP PHE LEU ALA ILE LEU SEQRES 24 A 316 SER GLU VAL ALA GLU GLU ALA THR GLY SER PRO ALA LEU SEQRES 25 A 316 ALA SER ASP ARG SEQRES 1 B 316 GLY HIS MET ASN THR GLY THR GLY THR VAL LEU THR GLU SEQRES 2 B 316 LEU PRO ASP HIS GLY ARG TRP ASP PHE GLY ASP PHE PRO SEQRES 3 B 316 TYR GLY LEU GLU PRO LEU THR LEU PRO GLU PRO GLY SER SEQRES 4 B 316 LEU GLU ALA ALA ASP SER GLY SER VAL PRO ALA GLU PHE SEQRES 5 B 316 THR LEU THR CYS ARG HIS ILE ALA ALA ILE ALA ALA GLY SEQRES 6 B 316 GLY GLY PRO ALA GLU ARG VAL GLN PRO ALA ASP SER SER SEQRES 7 B 316 ASP ARG LEU TYR TRP PHE ARG TRP ILE THR GLY HIS GLN SEQRES 8 B 316 VAL THR PHE ILE LEU TRP GLN LEU LEU SER ARG GLU LEU SEQRES 9 B 316 ALA ARG LEU PRO GLU GLU GLY PRO GLU ARG ASP ALA ALA SEQRES 10 B 316 LEU LYS ALA MET THR ARG TYR VAL ARG GLY TYR CYS ALA SEQRES 11 B 316 MET LEU LEU TYR THR GLY SER MET PRO ARG THR VAL TYR SEQRES 12 B 316 GLY ASP VAL ILE ARG PRO SER MET PHE LEU GLN HIS PRO SEQRES 13 B 316 GLY PHE SER GLY THR TRP ALA PRO ASP HIS LYS PRO VAL SEQRES 14 B 316 GLN ALA LEU PHE ARG GLY LYS LYS LEU PRO CYS VAL ARG SEQRES 15 B 316 ASP SER ALA ASP LEU ALA GLN ALA VAL HIS VAL TYR GLN SEQRES 16 B 316 VAL ILE HIS ALA GLY ILE ALA ALA ARG MET VAL PRO SER SEQRES 17 B 316 GLY ARG SER LEU LEU GLN GLU ALA SER VAL PRO SER GLY SEQRES 18 B 316 VAL GLN HIS PRO ASP VAL LEU GLY VAL VAL TYR ASP ASN SEQRES 19 B 316 TYR PHE LEU THR LEU ARG SER ARG PRO SER SER ARG ASP SEQRES 20 B 316 VAL VAL ALA GLN LEU LEU ARG ARG LEU THR ALA ILE ALA SEQRES 21 B 316 LEU ASP VAL LYS ASP ASN ALA LEU TYR PRO ASP GLY ARG SEQRES 22 B 316 GLU ALA GLY SER GLU LEU PRO GLU GLU LEU THR ARG PRO SEQRES 23 B 316 GLU VAL THR GLY HIS GLU ARG ASP PHE LEU ALA ILE LEU SEQRES 24 B 316 SER GLU VAL ALA GLU GLU ALA THR GLY SER PRO ALA LEU SEQRES 25 B 316 ALA SER ASP ARG HET HEM A 401 43 HET YOF A 402 28 HET CYN A 403 2 HET HEM B 401 43 HET YOF B 402 28 HET CYN B 403 2 HET TRS B 404 8 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM YOF 3-FLUOROTYROSINE HETNAM CYN CYANIDE ION HETNAM TRS 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL HETSYN HEM HEME HETSYN TRS TRIS BUFFER FORMUL 3 HEM 2(C34 H32 FE N4 O4) FORMUL 4 YOF 2(C9 H10 F N O3) FORMUL 5 CYN 2(C N 1-) FORMUL 9 TRS C4 H12 N O3 1+ FORMUL 10 HOH *304(H2 O) HELIX 1 AA1 PRO A 47 ALA A 62 1 16 HELIX 2 AA2 SER A 75 ARG A 104 1 30 HELIX 3 AA3 GLU A 108 GLY A 134 1 27 HELIX 4 AA4 PRO A 137 VAL A 144 1 8 HELIX 5 AA5 VAL A 144 HIS A 153 1 10 HELIX 6 AA6 SER A 157 ALA A 161 5 5 HELIX 7 AA7 HIS A 164 PRO A 166 5 3 HELIX 8 AA8 VAL A 167 ARG A 172 1 6 HELIX 9 AA9 LEU A 176 SER A 182 1 7 HELIX 10 AB1 SER A 182 VAL A 204 1 23 HELIX 11 AB2 SER A 209 ALA A 214 1 6 HELIX 12 AB3 ASP A 224 PHE A 234 1 11 HELIX 13 AB4 SER A 242 ALA A 265 1 24 HELIX 14 AB5 GLU A 279 THR A 282 5 4 HELIX 15 AB6 ARG A 283 ASP A 292 1 10 HELIX 16 AB7 ASP A 292 GLY A 306 1 15 HELIX 17 AB8 PRO B 47 GLY B 63 1 17 HELIX 18 AB9 SER B 75 ARG B 104 1 30 HELIX 19 AC1 GLU B 108 GLY B 134 1 27 HELIX 20 AC2 PRO B 137 VAL B 144 1 8 HELIX 21 AC3 VAL B 144 HIS B 153 1 10 HELIX 22 AC4 SER B 157 PRO B 166 5 10 HELIX 23 AC5 VAL B 167 ARG B 172 1 6 HELIX 24 AC6 LEU B 176 SER B 182 1 7 HELIX 25 AC7 SER B 182 VAL B 204 1 23 HELIX 26 AC8 SER B 209 ALA B 214 1 6 HELIX 27 AC9 ASP B 224 PHE B 234 1 11 HELIX 28 AD1 SER B 242 ALA B 265 1 24 HELIX 29 AD2 ALA B 273 LEU B 277 5 5 HELIX 30 AD3 PRO B 278 THR B 282 5 5 HELIX 31 AD4 ARG B 283 ASP B 292 1 10 HELIX 32 AD5 ASP B 292 GLY B 306 1 15 SHEET 1 AA1 2 LEU A 30 LEU A 32 0 SHEET 2 AA1 2 THR A 236 ARG A 238 1 O LEU A 237 N LEU A 30 SHEET 1 AA2 2 LEU B 30 LEU B 32 0 SHEET 2 AA2 2 THR B 236 ARG B 238 1 O LEU B 237 N LEU B 30 LINK NE2 HIS A 196 FE HEM A 401 1555 1555 2.45 LINK NE2 HIS B 196 FE HEM B 401 1555 1555 2.48 CRYST1 47.375 129.446 48.401 90.00 94.29 90.00 P 1 21 1 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 0.021108 0.000000 0.001582 0.00000 SCALE2 0.000000 0.007725 0.000000 0.00000 SCALE3 0.000000 0.000000 0.020719 0.00000