HEADER OXIDOREDUCTASE 25-FEB-17 5X7E TITLE CRYSTAL STRUCTURE OF VITAMIN D HYDROXYLASE CYTOCHROME P450 105A1 (R84A TITLE 2 MUTANT) IN COMPLEX WITH 1,25-DIHYDROXYVITAMIN D2 COMPND MOL_ID: 1; COMPND 2 MOLECULE: VITAMIN D3 DIHYDROXYLASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CYP105A1,CYTOCHROME P450-CVA1,CYTOCHROME P450-SU1,VITAMIN D3 COMPND 5 HYDROXYLASE,VD3 HYDROXYLASE; COMPND 6 EC: 1.14.15.-; COMPND 7 ENGINEERED: YES; COMPND 8 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STREPTOMYCES GRISEOLUS; SOURCE 3 ORGANISM_TAXID: 1909; SOURCE 4 ATCC: 11796; SOURCE 5 GENE: CYP105A1, SUAC; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: JM109; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PKK223-3 KEYWDS METAL-BINDING, MONOOXYGENASE, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR K.HAYASHI,K.YASUDA,Y.SHIRO,H.SUGIMOTO,T.SAKAKI REVDAT 2 22-NOV-23 5X7E 1 COMPND HETNAM REVDAT 1 10-MAY-17 5X7E 0 JRNL AUTH K.YASUDA,Y.YOGO,H.SUGIMOTO,H.MANO,T.TAKITA,M.OHTA, JRNL AUTH 2 M.KAMAKURA,S.IKUSHIRO,K.YASUKAWA,Y.SHIRO,T.SAKAKI JRNL TITL PRODUCTION OF AN ACTIVE FORM OF VITAMIN D2 BY GENETICALLY JRNL TITL 2 ENGINEERED CYP105A1 JRNL REF BIOCHEM. BIOPHYS. RES. V. 486 336 2017 JRNL REF 2 COMMUN. JRNL REFN ESSN 1090-2104 JRNL PMID 28302483 JRNL DOI 10.1016/J.BBRC.2017.03.040 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.7.0029 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 17.53 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 97.8 REMARK 3 NUMBER OF REFLECTIONS : 29341 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 + TEST SET) : 0.188 REMARK 3 R VALUE (WORKING SET) : 0.186 REMARK 3 FREE R VALUE : 0.232 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 1563 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.95 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1877 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 87.30 REMARK 3 BIN R VALUE (WORKING SET) : 0.2060 REMARK 3 BIN FREE R VALUE SET COUNT : 103 REMARK 3 BIN FREE R VALUE : 0.2740 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3090 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 74 REMARK 3 SOLVENT ATOMS : 294 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 22.41 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.78000 REMARK 3 B22 (A**2) : -0.26000 REMARK 3 B33 (A**2) : -0.52000 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.172 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.155 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.103 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.426 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.950 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.915 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 3246 ; 0.013 ; 0.019 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 4447 ; 1.679 ; 2.025 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 405 ; 5.573 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 144 ;37.357 ;23.472 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 504 ;13.543 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 30 ;17.023 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 511 ; 0.114 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2512 ; 0.009 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN USED IF PRESENT IN REMARK 4 REMARK 4 5X7E COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 28-FEB-17. REMARK 100 THE DEPOSITION ID IS D_1300003043. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 10-OCT-08 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 : SPRING-8 REMARK 200 BEAMLINE : BL26B2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97 REMARK 200 MONOCHROMATOR : SI(111) REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : RIGAKU JUPITER 210 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 30958 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.0 REMARK 200 DATA REDUNDANCY : 7.200 REMARK 200 R MERGE (I) : 0.06200 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 12.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.97 REMARK 200 COMPLETENESS FOR SHELL (%) : 89.2 REMARK 200 DATA REDUNDANCY IN SHELL : 6.10 REMARK 200 R MERGE FOR SHELL (I) : 0.30000 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: MOLREP REMARK 200 STARTING MODEL: 2ZBZ REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.27 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.17 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 26% PEGMME 20000, 0.2 M NACL, 0.1 M REMARK 280 BISTRIS, PH 6.8, VAPOR DIFFUSION, TEMPERATURE 283K 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 26.20450 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 69.71800 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 26.68000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 69.71800 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 26.20450 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 26.68000 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 1250 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 16620 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -24.0 KCAL/MOL 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 THR A 2 REMARK 465 ASP A 3 REMARK 465 HIS A 408 REMARK 465 HIS A 409 REMARK 465 HIS A 410 REMARK 465 HIS A 411 REMARK 465 HIS A 412 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 231 O HOH A 601 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 PHE A 150 -56.07 -152.79 REMARK 500 ASP A 222 -80.37 -107.56 REMARK 500 ALA A 289 64.75 31.52 REMARK 500 HIS A 344 12.47 80.11 REMARK 500 CYS A 355 118.20 -38.99 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 894 DISTANCE = 5.95 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 501 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 355 SG REMARK 620 2 HEM A 501 NA 102.5 REMARK 620 3 HEM A 501 NB 89.8 88.4 REMARK 620 4 HEM A 501 NC 84.7 172.7 90.7 REMARK 620 5 HEM A 501 ND 98.2 89.5 172.0 90.3 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue HEM A 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue 7ZU A 502 DBREF 5X7E A 1 406 UNP P18326 CPXE_STRGO 1 406 SEQADV 5X7E ALA A 84 UNP P18326 ARG 84 ENGINEERED MUTATION SEQADV 5X7E GLN A 308 UNP P18326 HIS 308 VARIANT SEQADV 5X7E HIS A 407 UNP P18326 EXPRESSION TAG SEQADV 5X7E HIS A 408 UNP P18326 EXPRESSION TAG SEQADV 5X7E HIS A 409 UNP P18326 EXPRESSION TAG SEQADV 5X7E HIS A 410 UNP P18326 EXPRESSION TAG SEQADV 5X7E HIS A 411 UNP P18326 EXPRESSION TAG SEQADV 5X7E HIS A 412 UNP P18326 EXPRESSION TAG SEQRES 1 A 412 MET THR ASP THR ALA THR THR PRO GLN THR THR ASP ALA SEQRES 2 A 412 PRO ALA PHE PRO SER ASN ARG SER CYS PRO TYR GLN LEU SEQRES 3 A 412 PRO ASP GLY TYR ALA GLN LEU ARG ASP THR PRO GLY PRO SEQRES 4 A 412 LEU HIS ARG VAL THR LEU TYR ASP GLY ARG GLN ALA TRP SEQRES 5 A 412 VAL VAL THR LYS HIS GLU ALA ALA ARG LYS LEU LEU GLY SEQRES 6 A 412 ASP PRO ARG LEU SER SER ASN ARG THR ASP ASP ASN PHE SEQRES 7 A 412 PRO ALA THR SER PRO ALA PHE GLU ALA VAL ARG GLU SER SEQRES 8 A 412 PRO GLN ALA PHE ILE GLY LEU ASP PRO PRO GLU HIS GLY SEQRES 9 A 412 THR ARG ARG ARG MET THR ILE SER GLU PHE THR VAL LYS SEQRES 10 A 412 ARG ILE LYS GLY MET ARG PRO GLU VAL GLU GLU VAL VAL SEQRES 11 A 412 HIS GLY PHE LEU ASP GLU MET LEU ALA ALA GLY PRO THR SEQRES 12 A 412 ALA ASP LEU VAL SER GLN PHE ALA LEU PRO VAL PRO SER SEQRES 13 A 412 MET VAL ILE CYS ARG LEU LEU GLY VAL PRO TYR ALA ASP SEQRES 14 A 412 HIS GLU PHE PHE GLN ASP ALA SER LYS ARG LEU VAL GLN SEQRES 15 A 412 SER THR ASP ALA GLN SER ALA LEU THR ALA ARG ASN ASP SEQRES 16 A 412 LEU ALA GLY TYR LEU ASP GLY LEU ILE THR GLN PHE GLN SEQRES 17 A 412 THR GLU PRO GLY ALA GLY LEU VAL GLY ALA LEU VAL ALA SEQRES 18 A 412 ASP GLN LEU ALA ASN GLY GLU ILE ASP ARG GLU GLU LEU SEQRES 19 A 412 ILE SER THR ALA MET LEU LEU LEU ILE ALA GLY HIS GLU SEQRES 20 A 412 THR THR ALA SER MET THR SER LEU SER VAL ILE THR LEU SEQRES 21 A 412 LEU ASP HIS PRO GLU GLN TYR ALA ALA LEU ARG ALA ASP SEQRES 22 A 412 ARG SER LEU VAL PRO GLY ALA VAL GLU GLU LEU LEU ARG SEQRES 23 A 412 TYR LEU ALA ILE ALA ASP ILE ALA GLY GLY ARG VAL ALA SEQRES 24 A 412 THR ALA ASP ILE GLU VAL GLU GLY GLN LEU ILE ARG ALA SEQRES 25 A 412 GLY GLU GLY VAL ILE VAL VAL ASN SER ILE ALA ASN ARG SEQRES 26 A 412 ASP GLY THR VAL TYR GLU ASP PRO ASP ALA LEU ASP ILE SEQRES 27 A 412 HIS ARG SER ALA ARG HIS HIS LEU ALA PHE GLY PHE GLY SEQRES 28 A 412 VAL HIS GLN CYS LEU GLY GLN ASN LEU ALA ARG LEU GLU SEQRES 29 A 412 LEU GLU VAL ILE LEU ASN ALA LEU MET ASP ARG VAL PRO SEQRES 30 A 412 THR LEU ARG LEU ALA VAL PRO VAL GLU GLN LEU VAL LEU SEQRES 31 A 412 ARG PRO GLY THR THR ILE GLN GLY VAL ASN GLU LEU PRO SEQRES 32 A 412 VAL THR TRP HIS HIS HIS HIS HIS HIS HET HEM A 501 43 HET 7ZU A 502 31 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM 7ZU (1R,3S,5Z)-5-[(2E)-2-[(1R,3AS,7AR)-1-[(E,2R,5S)-5,6- HETNAM 2 7ZU DIMETHYL-6-OXIDANYL-HEPT-3-EN-2-YL]-7A-METHYL-2,3,3A, HETNAM 3 7ZU 5,6,7-HEXAHYDR O-1H-INDEN-4-YLIDENE]ETHYLIDENE]-4- HETNAM 4 7ZU METHYLIDENE-CYCLOHEXANE-1,3-DIOL HETSYN HEM HEME HETSYN 7ZU 1,25-DIHYDROXYVITAMIN D2 FORMUL 2 HEM C34 H32 FE N4 O4 FORMUL 3 7ZU C28 H44 O3 FORMUL 4 HOH *294(H2 O) HELIX 1 AA1 PRO A 27 THR A 36 1 10 HELIX 2 AA2 LYS A 56 GLY A 65 1 10 HELIX 3 AA3 SER A 82 ALA A 84 5 3 HELIX 4 AA4 PHE A 85 SER A 91 1 7 HELIX 5 AA5 ALA A 94 LEU A 98 5 5 HELIX 6 AA6 PRO A 101 ARG A 108 1 8 HELIX 7 AA7 MET A 109 PHE A 114 5 6 HELIX 8 AA8 THR A 115 GLY A 141 1 27 HELIX 9 AA9 LEU A 146 PHE A 150 1 5 HELIX 10 AB1 LEU A 152 GLY A 164 1 13 HELIX 11 AB2 PRO A 166 ALA A 168 5 3 HELIX 12 AB3 ASP A 169 SER A 183 1 15 HELIX 13 AB4 ASP A 185 GLU A 210 1 26 HELIX 14 AB5 ALA A 213 ASP A 222 1 10 HELIX 15 AB6 ASP A 230 ASP A 262 1 33 HELIX 16 AB7 HIS A 263 ASP A 273 1 11 HELIX 17 AB8 LEU A 276 ALA A 289 1 14 HELIX 18 AB9 VAL A 319 ASN A 324 1 6 HELIX 19 AC1 GLY A 357 VAL A 376 1 20 HELIX 20 AC2 PRO A 384 LEU A 388 5 5 SHEET 1 AA1 5 LEU A 40 THR A 44 0 SHEET 2 AA1 5 GLN A 50 VAL A 54 -1 O VAL A 53 N HIS A 41 SHEET 3 AA1 5 GLY A 315 VAL A 318 1 O ILE A 317 N TRP A 52 SHEET 4 AA1 5 GLY A 296 ALA A 299 -1 N ARG A 297 O VAL A 316 SHEET 5 AA1 5 LEU A 69 SER A 70 -1 N SER A 70 O VAL A 298 SHEET 1 AA2 3 ALA A 144 ASP A 145 0 SHEET 2 AA2 3 PRO A 403 THR A 405 -1 O VAL A 404 N ALA A 144 SHEET 3 AA2 3 ARG A 380 LEU A 381 -1 N ARG A 380 O THR A 405 SHEET 1 AA3 2 ILE A 303 VAL A 305 0 SHEET 2 AA3 2 GLN A 308 ILE A 310 -1 O GLN A 308 N VAL A 305 LINK SG CYS A 355 FE HEM A 501 1555 1555 2.36 CISPEP 1 PHE A 16 PRO A 17 0 -3.96 CISPEP 2 PRO A 100 PRO A 101 0 4.48 CISPEP 3 PRO A 142 THR A 143 0 -0.49 SITE 1 AC1 21 PHE A 95 ILE A 96 HIS A 103 ARG A 107 SITE 2 AC1 21 LEU A 241 ALA A 244 THR A 248 THR A 249 SITE 3 AC1 21 ALA A 294 ARG A 297 ALA A 347 PHE A 348 SITE 4 AC1 21 GLY A 349 VAL A 352 HIS A 353 CYS A 355 SITE 5 AC1 21 GLY A 357 ALA A 361 HOH A 647 HOH A 666 SITE 6 AC1 21 HOH A 693 SITE 1 AC2 10 PRO A 79 THR A 81 VAL A 88 PRO A 92 SITE 2 AC2 10 ARG A 193 ILE A 243 ILE A 293 GLY A 296 SITE 3 AC2 10 HOH A 649 HOH A 770 CRYST1 52.409 53.360 139.436 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 0.019081 0.000000 0.000000 0.00000 SCALE2 0.000000 0.018741 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007172 0.00000