HEADER OXYGEN TRANSPORT 18-SEP-08 2ZT0 TITLE CARBONMONOXY SPERM WHALE MYOGLOBIN AT 100 K: LASER ON [750 MIN] COMPND MOL_ID: 1; COMPND 2 MOLECULE: MYOGLOBIN; COMPND 3 CHAIN: A SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PHYSETER CATODON; SOURCE 3 ORGANISM_COMMON: SPERM WHALE; SOURCE 4 ORGANISM_TAXID: 9755 KEYWDS HAEM PROTEIN, MYOGLOBIN, LIGAND MIGRATION, PHOTODISSOCIATION, HEME, KEYWDS 2 IRON, METAL-BINDING, MUSCLE PROTEIN, OXYGEN TRANSPORT, TRANSPORT EXPDTA X-RAY DIFFRACTION AUTHOR A.TOMITA,T.SATO,K.ICHIYANAGI,S.NOZAWA,H.ICHIKAWA,M.CHOLLET,F.KAWAI, AUTHOR 2 S.-Y.PARK,S.KOSHIHARA,S.ADACHI REVDAT 4 01-NOV-23 2ZT0 1 REMARK LINK REVDAT 3 11-OCT-17 2ZT0 1 REMARK REVDAT 2 17-MAR-09 2ZT0 1 JRNL REVDAT 1 24-FEB-09 2ZT0 0 JRNL AUTH A.TOMITA,T.SATO,K.ICHIYANAGI,S.NOZAWA,H.ICHIKAWA,M.CHOLLET, JRNL AUTH 2 F.KAWAI,S.-Y.PARK,T.TSUDUKI,T.YAMATO,S.Y.KOSHIHARA,S.ADACHI JRNL TITL VISUALIZING BREATHING MOTION OF INTERNAL CAVITIES IN CONCERT JRNL TITL 2 WITH LIGAND MIGRATION IN MYOGLOBIN JRNL REF PROC.NATL.ACAD.SCI.USA V. 106 2612 2009 JRNL REFN ISSN 0027-8424 JRNL PMID 19204297 JRNL DOI 10.1073/PNAS.0807774106 REMARK 2 REMARK 2 RESOLUTION. 1.21 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.21 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 17.02 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 82.1 REMARK 3 NUMBER OF REFLECTIONS : 32274 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) : 0.155 REMARK 3 R VALUE (WORKING SET) : 0.152 REMARK 3 FREE R VALUE : 0.219 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1601 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) : 1.21 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.24 REMARK 3 REFLECTION IN BIN (WORKING SET) : 484 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 17.56 REMARK 3 BIN R VALUE (WORKING SET) : 0.2660 REMARK 3 BIN FREE R VALUE SET COUNT : 20 REMARK 3 BIN FREE R VALUE : 0.2890 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1217 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 55 REMARK 3 SOLVENT ATOMS : 146 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 15.61 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.01000 REMARK 3 B22 (A**2) : -0.01000 REMARK 3 B33 (A**2) : -0.01000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -0.01000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.056 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.062 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.036 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.781 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.970 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.941 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1304 ; 0.025 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1767 ; 2.201 ; 2.064 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 152 ; 5.284 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 54 ;33.610 ;24.259 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 236 ;14.058 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 4 ;16.278 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 182 ; 0.157 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 958 ; 0.014 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 688 ; 0.310 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 876 ; 0.324 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 107 ; 0.166 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): 1 ; 0.492 ; 0.200 REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 41 ; 0.210 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 33 ; 0.153 ; 0.200 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): 759 ; 2.673 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1207 ; 3.832 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 545 ; 5.279 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 560 ; 7.227 ; 4.500 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): 1304 ; 3.600 ; 3.000 REMARK 3 SPHERICITY; FREE ATOMS (A**2): 151 ;11.349 ; 3.000 REMARK 3 SPHERICITY; BONDED ATOMS (A**2): 1270 ; 6.441 ; 3.000 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 : 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 RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 2ZT0 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 24-SEP-08. REMARK 100 THE DEPOSITION ID IS D_1000028388. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 20-FEB-08 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 : PHOTON FACTORY REMARK 200 BEAMLINE : AR-NW14A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.827 REMARK 200 MONOCHROMATOR : SI REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MAR CCD 165 MM REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO, HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK, HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 32287 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.210 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 81.6 REMARK 200 DATA REDUNDANCY : 3.500 REMARK 200 R MERGE (I) : 0.04800 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 10.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.21 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.25 REMARK 200 COMPLETENESS FOR SHELL (%) : 18.6 REMARK 200 DATA REDUNDANCY IN SHELL : 1.90 REMARK 200 R MERGE FOR SHELL (I) : 0.49300 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> 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: 1MBC REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 34.43 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.88 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 2.4M AMMONIUM SULFATE, 10MM TRISHCL, REMARK 280 100MM SODIUM PHOSPHATE, PH 6.0, BATCH, TEMPERATURE 293K 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 15.30550 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: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 TYR A 103 CZ - CE2 - CD2 ANGL. DEV. = -8.6 DEGREES REMARK 500 ARG A 118 NE - CZ - NH1 ANGL. DEV. = -3.6 DEGREES 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 20 67.95 -152.75 REMARK 500 HIS A 81 59.33 -91.01 REMARK 500 PHE A 123 51.61 -141.62 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 HEM A 154 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 93 NE2 REMARK 620 2 HEM A 154 NA 90.1 REMARK 620 3 HEM A 154 NB 91.8 88.4 REMARK 620 4 HEM A 154 NC 94.2 175.6 90.3 REMARK 620 5 HEM A 154 ND 93.3 91.4 174.9 89.5 REMARK 620 6 CMO A 155 C 174.8 93.9 91.6 81.9 83.3 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 HEM A 154 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CMO A 155 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 156 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 157 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3E55 RELATED DB: PDB REMARK 900 CARBONMONOXY SPERM WHALE MYOGLOBIN AT 100 K: LASER OFF. STRUCTURE REMARK 900 DETERMINED USING IDENTICAL CRYSTAL AS THIS ENTRY. REMARK 900 RELATED ID: 3ECX RELATED DB: PDB REMARK 900 CARBONMONOXY SPERM WHALE MYOGLOBIN AT 100 K: LASER ON [30 MIN]. REMARK 900 STRUCTURE DETERMINED USING IDENTICAL CRYSTAL AS THIS ENTRY. REMARK 900 RELATED ID: 3EDA RELATED DB: PDB REMARK 900 CARBONMONOXY SPERM WHALE MYOGLOBIN AT 100 K: LASER ON [150 MIN]. REMARK 900 STRUCTURE DETERMINED USING IDENTICAL CRYSTAL AS THIS ENTRY. REMARK 900 RELATED ID: 2ZSN RELATED DB: PDB REMARK 900 CARBONMONOXY SPERM WHALE MYOGLOBIN AT 100 K: LASER ON [300 MIN]. REMARK 900 STRUCTURE DETERMINED USING IDENTICAL CRYSTAL AS THIS ENTRY. REMARK 900 RELATED ID: 2ZSO RELATED DB: PDB REMARK 900 CARBONMONOXY SPERM WHALE MYOGLOBIN AT 100 K: LASER ON [450 MIN]. REMARK 900 STRUCTURE DETERMINED USING IDENTICAL CRYSTAL AS THIS ENTRY. REMARK 900 RELATED ID: 2ZSZ RELATED DB: PDB REMARK 900 CARBONMONOXY SPERM WHALE MYOGLOBIN AT 100 K: LASER ON [600 MIN]. REMARK 900 STRUCTURE DETERMINED USING IDENTICAL CRYSTAL AS THIS ENTRY. DBREF 2ZT0 A 1 153 UNP P02185 MYG_PHYCA 2 154 SEQRES 1 A 153 VAL LEU SER GLU GLY GLU TRP GLN LEU VAL LEU HIS VAL SEQRES 2 A 153 TRP ALA LYS VAL GLU ALA ASP VAL ALA GLY HIS GLY GLN SEQRES 3 A 153 ASP ILE LEU ILE ARG LEU PHE LYS SER HIS PRO GLU THR SEQRES 4 A 153 LEU GLU LYS PHE ASP ARG PHE LYS HIS LEU LYS THR GLU SEQRES 5 A 153 ALA GLU MET LYS ALA SER GLU ASP LEU LYS LYS HIS GLY SEQRES 6 A 153 VAL THR VAL LEU THR ALA LEU GLY ALA ILE LEU LYS LYS SEQRES 7 A 153 LYS GLY HIS HIS GLU ALA GLU LEU LYS PRO LEU ALA GLN SEQRES 8 A 153 SER HIS ALA THR LYS HIS LYS ILE PRO ILE LYS TYR LEU SEQRES 9 A 153 GLU PHE ILE SER GLU ALA ILE ILE HIS VAL LEU HIS SER SEQRES 10 A 153 ARG HIS PRO GLY ASP PHE GLY ALA ASP ALA GLN GLY ALA SEQRES 11 A 153 MET ASN LYS ALA LEU GLU LEU PHE ARG LYS ASP ILE ALA SEQRES 12 A 153 ALA LYS TYR LYS GLU LEU GLY TYR GLN GLY HET HEM A 154 43 HET CMO A 155 2 HET SO4 A 156 5 HET SO4 A 157 5 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM CMO CARBON MONOXIDE HETNAM SO4 SULFATE ION HETSYN HEM HEME FORMUL 2 HEM C34 H32 FE N4 O4 FORMUL 3 CMO C O FORMUL 4 SO4 2(O4 S 2-) FORMUL 6 HOH *146(H2 O) HELIX 1 1 SER A 3 GLU A 18 1 16 HELIX 2 2 ASP A 20 HIS A 36 1 17 HELIX 3 3 HIS A 36 GLU A 41 1 6 HELIX 4 4 THR A 51 SER A 58 1 8 HELIX 5 5 SER A 58 LYS A 78 1 21 HELIX 6 6 HIS A 82 LYS A 96 1 15 HELIX 7 7 PRO A 100 HIS A 119 1 20 HELIX 8 8 PRO A 120 PHE A 123 5 4 HELIX 9 9 GLY A 124 GLY A 150 1 27 LINK NE2 HIS A 93 FE HEM A 154 1555 1555 2.11 LINK FE HEM A 154 C CMO A 155 1555 1555 2.00 SITE 1 AC1 18 THR A 39 LYS A 42 PHE A 43 ARG A 45 SITE 2 AC1 18 HIS A 64 THR A 67 VAL A 68 ALA A 71 SITE 3 AC1 18 LEU A 89 SER A 92 HIS A 93 HIS A 97 SITE 4 AC1 18 ILE A 99 TYR A 103 CMO A 155 HOH A 193 SITE 5 AC1 18 HOH A 239 HOH A 250 SITE 1 AC2 4 PHE A 43 HIS A 64 VAL A 68 HEM A 154 SITE 1 AC3 4 SER A 58 GLU A 59 ASP A 60 HOH A 168 SITE 1 AC4 5 GLN A 26 LYS A 62 HOH A 186 HOH A 234 SITE 2 AC4 5 HOH A 243 CRYST1 34.377 30.611 63.750 90.00 105.45 90.00 P 1 21 1 2 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 0.029089 0.000000 0.008041 0.00000 SCALE2 0.000000 0.032668 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016275 0.00000