HEADER ELECTRON TRANSFER 07-JAN-05 2BH4 TITLE X-RAY STRUCTURE OF THE M100K VARIANT OF FERRIC CYT C-550 TITLE 2 FROM PARACOCCUS VERSUTUS DETERMINED AT 100 K. COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYTOCHROME C-550; COMPND 3 CHAIN: X; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PARACOCCUS VERSUTUS; SOURCE 3 ORGANISM_TAXID: 34007; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: MV1190; SOURCE 7 EXPRESSION_SYSTEM_PLASMID: PUC19_M100K/PEC86 KEYWDS C-TYPE CYTOCHROME, HEME, ELECTRON TRANSFER, AXIAL LIGAND, KEYWDS 2 PYRROLIDONE CARBOXYLIC ACID EXPDTA X-RAY DIFFRACTION AUTHOR J.A.R.WORRALL,A.-M.M.VAN ROON,M.UBBINK,G.W.CANTERS REVDAT 2 24-FEB-09 2BH4 1 VERSN REVDAT 1 11-MAY-05 2BH4 0 JRNL AUTH J.A.R.WORRALL,A.-M.M.VAN ROON,M.UBBINK,G.W.CANTERS JRNL TITL THE EFFECT OF REPLACING THE AXIAL METHIONINE JRNL TITL 2 LIGAND WITH A LYSINE RESIDUE IN CYTOCHROME C-550 JRNL TITL 3 FROM PARACOCCUS VERSUTUS ASSESSED BY X-RAY JRNL TITL 4 CRYSTALLOGRAPHY AND UNFOLDING. JRNL REF FEBS J. V. 272 2441 2005 JRNL REFN ISSN 1742-464X JRNL PMID 15885094 JRNL DOI 10.1111/J.1742-4658.2005.04664.X REMARK 2 REMARK 2 RESOLUTION. 1.55 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0005 REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.55 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 43.85 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 97.7 REMARK 3 NUMBER OF REFLECTIONS : 16211 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) : 0.150 REMARK 3 R VALUE (WORKING SET) : 0.147 REMARK 3 FREE R VALUE : 0.202 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 836 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) : 1.55 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.59 REMARK 3 REFLECTION IN BIN (WORKING SET) : 996 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.1180 REMARK 3 BIN FREE R VALUE SET COUNT : 63 REMARK 3 BIN FREE R VALUE : 0.1660 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 964 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 43 REMARK 3 SOLVENT ATOMS : 140 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 17.18 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.76000 REMARK 3 B22 (A**2) : 0.74000 REMARK 3 B33 (A**2) : -1.51000 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): 0.103 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.085 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.045 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.971 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.957 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1033 ; 0.012 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): 911 ; 0.001 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1407 ; 1.438 ; 2.098 REMARK 3 BOND ANGLES OTHERS (DEGREES): 2145 ; 0.826 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 125 ; 4.916 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 39 ;34.190 ;26.410 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 179 ;13.666 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 1 ;16.069 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 144 ; 0.087 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1130 ; 0.009 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 173 ; 0.002 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 255 ; 0.290 ; 0.300 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 871 ; 0.180 ; 0.300 REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 498 ; 0.183 ; 0.500 REMARK 3 NON-BONDED TORSION OTHERS (A): 505 ; 0.088 ; 0.500 REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 166 ; 0.147 ; 0.500 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): 3 ; 0.158 ; 0.300 REMARK 3 SYMMETRY VDW OTHERS (A): 28 ; 0.168 ; 0.300 REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 26 ; 0.190 ; 0.500 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): 806 ; 2.625 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1001 ; 3.089 ; 2.000 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 503 ; 4.290 ; 3.000 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 404 ; 5.389 ; 4.500 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 : BABINET MODEL WITH MASK 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 ADDED IN THE REMARK 3 RIDING POSITIONS. RESIDUES 1 AND 122-134 ARE NOT OBSERVED. REMARK 3 RESIDUES 97-101 ARE MODELED IN A DOUBLE MAIN-CHAIN REMARK 3 CONFORMATION. REMARK 4 REMARK 4 2BH4 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 07-JAN-05. REMARK 100 THE PDBE ID CODE IS EBI-22297. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 28-NOV-03 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 9.00 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : BM30A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.98 REMARK 200 MONOCHROMATOR : SI(111) REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD 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 : 17450 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.550 REMARK 200 RESOLUTION RANGE LOW (A) : 43.850 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.7 REMARK 200 DATA REDUNDANCY : 3.700 REMARK 200 R MERGE (I) : 0.04000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 20.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.55 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.58 REMARK 200 COMPLETENESS FOR SHELL (%) : 82.6 REMARK 200 DATA REDUNDANCY IN SHELL : 1.90 REMARK 200 R MERGE FOR SHELL (I) : 0.05000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 11.700 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: OTHER REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: STRUCTURE WAS ALREADY SOLVED FOR A CRYSTAL MEASURED AT REMARK 200 295 K. REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 37 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 3.2 M AMMONIUM SULFATE, 0.1 M REMARK 280 BICINE PH9 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 15.43400 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 43.74000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 21.44000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 43.74000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 15.43400 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 21.44000 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 GENERATING THE BIOMOLECULE 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: PQS REMARK 350 APPLY THE FOLLOWING TO CHAINS: X 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 400 REMARK 400 COMPOUND REMARK 400 ENGINEERED MUTATION IN CHAIN X MET 100 TO LYS 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 GLN X 1 REMARK 465 ALA X 124 REMARK 465 GLU X 125 REMARK 465 ALA X 126 REMARK 465 ALA X 127 REMARK 465 PRO X 128 REMARK 465 ALA X 129 REMARK 465 GLU X 130 REMARK 465 GLY X 131 REMARK 465 ALA X 132 REMARK 465 ALA X 133 REMARK 465 ASN X 134 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 LYS X 54 CD CE NZ REMARK 470 GLY X 123 CA C O 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 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 X 82 89.99 -163.72 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 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 HEC X1123 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HEC X1123 NA REMARK 620 2 LYS X 100B NZ 80.4 REMARK 620 3 HEC X1123 ND 90.6 91.7 REMARK 620 4 HIS X 19 NE2 89.0 169.4 88.0 REMARK 620 5 LYS X 100A NZ 98.7 18.4 91.5 172.2 REMARK 620 6 HEC X1123 NB 90.0 91.1 177.2 89.2 91.1 REMARK 620 7 HEC X1123 NC 176.8 102.4 90.9 88.2 84.1 88.5 REMARK 620 N 1 2 3 4 5 6 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEC X1123 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2BGV RELATED DB: PDB REMARK 900 X-RAY STRUCTURE OF FERRIC CYTOCHROME C-550 REMARK 900 FROM PARACOCCUS VERSUTUS REMARK 900 RELATED ID: 2BH5 RELATED DB: PDB REMARK 900 X-RAY STRUCTURE OF THE M100K VARIANT OF REMARK 900 FERRIC CYT C-550 FROM PARACOCCUS VERSUTUS REMARK 900 DETERMINED AT 295 K. REMARK 999 REMARK 999 SEQUENCE REMARK 999 WILD-TYPE GENE ACCESSION NUMBER DBREF 2BH4 X 1 134 UNP Q00499 C550_PARVE 21 154 SEQADV 2BH4 LYS X 100 UNP Q00499 MET 120 ENGINEERED MUTATION SEQRES 1 X 134 GLN GLU GLY ASP ALA ALA LYS GLY GLU LYS GLU PHE ASN SEQRES 2 X 134 LYS CYS LYS ALA CYS HIS MET VAL GLN ALA PRO ASP GLY SEQRES 3 X 134 THR ASP ILE VAL LYS GLY GLY LYS THR GLY PRO ASN LEU SEQRES 4 X 134 TYR GLY VAL VAL GLY ARG LYS ILE ALA SER VAL GLU GLY SEQRES 5 X 134 PHE LYS TYR GLY ASP GLY ILE LEU GLU VAL ALA GLU LYS SEQRES 6 X 134 ASN PRO ASP MET VAL TRP SER GLU ALA ASP LEU ILE GLU SEQRES 7 X 134 TYR VAL THR ASP PRO LYS PRO TRP LEU VAL GLU LYS THR SEQRES 8 X 134 GLY ASP SER ALA ALA LYS THR LYS LYS THR PHE LYS LEU SEQRES 9 X 134 GLY LYS ASN GLN ALA ASP VAL VAL ALA PHE LEU ALA GLN SEQRES 10 X 134 HIS SER PRO ASP ALA GLY ALA GLU ALA ALA PRO ALA GLU SEQRES 11 X 134 GLY ALA ALA ASN HET HEC X1123 43 HETNAM HEC HEME C HETSYN HEC 3,7,12,17-TETRAMETHYL-8,13-DIVINYL-2,18- HETSYN 2 HEC PORPHINEDIPROPIONIC ACID FORMUL 2 HEC C34 H34 FE N4 O4 FORMUL 3 HOH *140(H2 O1) HELIX 1 1 ASP X 4 PHE X 12 1 9 HELIX 2 2 ASN X 13 CYS X 15 5 3 HELIX 3 3 GLY X 56 ASN X 66 1 11 HELIX 4 4 SER X 72 ASP X 82 1 11 HELIX 5 5 ASP X 82 GLY X 92 1 11 HELIX 6 6 ASN X 107 HIS X 118 1 12 SHEET 1 XA 2 VAL X 21 GLN X 22 0 SHEET 2 XA 2 ASP X 28 VAL X 30 -1 N ILE X 29 O VAL X 21 LINK SG CYS X 15 CAB HEC X1123 1555 1555 1.83 LINK SG CYS X 18 CAC HEC X1123 1555 1555 2.06 LINK FE HEC X1123 NE2 HIS X 19 1555 1555 2.05 LINK FE HEC X1123 NZ ALYS X 100 1555 1555 2.08 LINK FE HEC X1123 NZ BLYS X 100 1555 1555 2.07 SITE 1 AC1 22 LYS X 14 CYS X 15 CYS X 18 HIS X 19 SITE 2 AC1 22 THR X 35 LEU X 39 ARG X 45 ALA X 48 SITE 3 AC1 22 TYR X 55 GLY X 56 ILE X 59 TRP X 71 SITE 4 AC1 22 LEU X 76 TYR X 79 VAL X 80 PRO X 85 SITE 5 AC1 22 THR X 98 LYS X 99 LYS X 100 HOH X2089 SITE 6 AC1 22 HOH X2139 HOH X2140 CRYST1 30.868 42.880 87.480 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 0.032396 0.000000 0.000000 0.00000 SCALE2 0.000000 0.023321 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011431 0.00000