HEADER OXIDOREDUCTASE 17-NOV-20 7KQR TITLE A 1.89-A RESOLUTION SUBSTRATE-BOUND CRYSTAL STRUCTURE OF HEME- TITLE 2 DEPENDENT TYROSINE HYDROXYLASE FROM S. SCLEROTIALUS 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,I.SHIN,A.LIU REVDAT 4 03-APR-24 7KQR 1 REMARK REVDAT 3 06-MAR-24 7KQR 1 REMARK REVDAT 2 07-APR-21 7KQR 1 JRNL REVDAT 1 31-MAR-21 7KQR 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. 1.89 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.10 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) : 1.89 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 48.33 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.350 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.7 REMARK 3 NUMBER OF REFLECTIONS : 46259 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.168 REMARK 3 R VALUE (WORKING SET) : 0.166 REMARK 3 FREE R VALUE : 0.207 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.380 REMARK 3 FREE R VALUE TEST SET COUNT : 2025 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 48.3300 - 4.5600 0.99 3238 143 0.1524 0.1833 REMARK 3 2 4.5500 - 3.6200 0.99 3191 145 0.1274 0.1699 REMARK 3 3 3.6200 - 3.1600 0.99 3173 143 0.1473 0.1529 REMARK 3 4 3.1600 - 2.8700 1.00 3216 144 0.1657 0.2299 REMARK 3 5 2.8700 - 2.6600 0.97 3075 153 0.1624 0.2147 REMARK 3 6 2.6600 - 2.5100 0.99 3160 146 0.1679 0.2221 REMARK 3 7 2.5100 - 2.3800 0.99 3180 151 0.1717 0.2030 REMARK 3 8 2.3800 - 2.2800 1.00 3183 141 0.1706 0.2315 REMARK 3 9 2.2800 - 2.1900 1.00 3179 141 0.1795 0.2399 REMARK 3 10 2.1900 - 2.1100 0.99 3188 151 0.1908 0.2313 REMARK 3 11 2.1100 - 2.0500 0.99 3184 134 0.2076 0.2664 REMARK 3 12 2.0500 - 1.9900 1.00 3162 152 0.2246 0.2831 REMARK 3 13 1.9900 - 1.9400 0.97 3090 148 0.2584 0.2679 REMARK 3 14 1.9400 - 1.8900 0.95 3015 133 0.2905 0.3430 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) : 0.210 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 21.750 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 29.61 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 4985 REMARK 3 ANGLE : 0.899 6827 REMARK 3 CHIRALITY : 0.047 725 REMARK 3 PLANARITY : 0.005 888 REMARK 3 DIHEDRAL : 26.419 1825 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL 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 7KQR COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 18-NOV-20. REMARK 100 THE DEPOSITION ID IS D_1000252966. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 22-MAR-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 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 46307 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.890 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 (%) : 98.9 REMARK 200 DATA REDUNDANCY : 3.500 REMARK 200 R MERGE (I) : 0.12300 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 3.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.89 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.92 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.8 REMARK 200 DATA REDUNDANCY IN SHELL : 3.30 REMARK 200 R MERGE FOR SHELL (I) : 0.96200 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: SEMET-SUBSTITUTED REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.04 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.16 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 64.89050 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: 6420 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 23850 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -50.0 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 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 NH1 ARG A 78 O HOH A 501 2.10 REMARK 500 O HOH B 591 O HOH B 644 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 HOH A 536 O HOH B 628 2656 2.19 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 42 -143.69 -86.14 REMARK 500 SER A 45 73.02 -176.38 REMARK 500 SER A 239 -143.68 -155.62 REMARK 500 ALA A 265 160.08 74.49 REMARK 500 ASP A 269 35.14 -88.45 REMARK 500 GLU A 272 -108.20 -27.70 REMARK 500 ALA A 273 136.32 -170.06 REMARK 500 THR B 7 79.52 61.33 REMARK 500 SER B 239 -146.07 -159.46 REMARK 500 ALA B 265 164.52 73.33 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 731 DISTANCE = 5.90 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 96.0 REMARK 620 3 HEM A 401 NB 93.4 84.4 REMARK 620 4 HEM A 401 NC 95.3 168.5 97.0 REMARK 620 5 HEM A 401 ND 97.9 91.4 168.3 84.9 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 90.8 REMARK 620 3 HEM B 401 NB 88.8 86.9 REMARK 620 4 HEM B 401 NC 94.0 174.7 95.3 REMARK 620 5 HEM B 401 ND 96.5 91.4 174.5 86.0 REMARK 620 N 1 2 3 4 DBREF 7KQR A -1 314 PDB 7KQR 7KQR -1 314 DBREF 7KQR B -1 314 PDB 7KQR 7KQR -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 TYR A 402 13 HET BTB A 403 14 HET TRS A 404 8 HET TRS A 405 8 HET HEM B 401 43 HET TYR B 402 13 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM TYR TYROSINE HETNAM BTB 2-[BIS-(2-HYDROXY-ETHYL)-AMINO]-2-HYDROXYMETHYL- HETNAM 2 BTB PROPANE-1,3-DIOL HETNAM TRS 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL HETSYN HEM HEME HETSYN BTB BIS-TRIS BUFFER HETSYN TRS TRIS BUFFER FORMUL 3 HEM 2(C34 H32 FE N4 O4) FORMUL 4 TYR 2(C9 H11 N O3) FORMUL 5 BTB C8 H19 N O5 FORMUL 6 TRS 2(C4 H12 N O3 1+) FORMUL 10 HOH *424(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 PRO A 166 5 10 HELIX 7 AA7 VAL A 167 ARG A 172 1 6 HELIX 8 AA8 LEU A 176 SER A 182 1 7 HELIX 9 AA9 SER A 182 VAL A 204 1 23 HELIX 10 AB1 SER A 209 ALA A 214 1 6 HELIX 11 AB2 ASP A 224 PHE A 234 1 11 HELIX 12 AB3 SER A 242 ALA A 265 1 24 HELIX 13 AB4 PRO A 278 THR A 282 5 5 HELIX 14 AB5 ARG A 283 ASP A 292 1 10 HELIX 15 AB6 ASP A 292 GLY A 306 1 15 HELIX 16 AB7 PRO B 47 ALA B 62 1 16 HELIX 17 AB8 SER B 75 ARG B 104 1 30 HELIX 18 AB9 GLU B 108 GLY B 134 1 27 HELIX 19 AC1 PRO B 137 VAL B 144 1 8 HELIX 20 AC2 VAL B 144 HIS B 153 1 10 HELIX 21 AC3 SER B 157 PRO B 166 5 10 HELIX 22 AC4 VAL B 167 ARG B 172 1 6 HELIX 23 AC5 LEU B 176 SER B 182 1 7 HELIX 24 AC6 SER B 182 VAL B 204 1 23 HELIX 25 AC7 SER B 209 ALA B 214 1 6 HELIX 26 AC8 ASP B 224 PHE B 234 1 11 HELIX 27 AC9 SER B 242 ALA B 265 1 24 HELIX 28 AD1 ALA B 273 LEU B 277 5 5 HELIX 29 AD2 PRO B 278 THR B 282 5 5 HELIX 30 AD3 ARG B 283 ASP B 292 1 10 HELIX 31 AD4 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 2.38 LINK NE2 HIS B 196 FE HEM B 401 1555 1555 2.45 CRYST1 47.707 129.781 48.440 90.00 93.87 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 0.020961 0.000000 0.001419 0.00000 SCALE2 0.000000 0.007705 0.000000 0.00000 SCALE3 0.000000 0.000000 0.020691 0.00000