HEADER OXYGEN TRANSPORT 25-MAY-12 4AVD TITLE C.LACTEUS NERVE HB IN COMPLEX WITH CO COMPND MOL_ID: 1; COMPND 2 MOLECULE: NEURAL HEMOGLOBIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: NRHB; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CEREBRATULUS LACTEUS; SOURCE 3 ORGANISM_COMMON: MILKY RIBBON-WORM; SOURCE 4 ORGANISM_TAXID: 6221; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS OXYGEN TRANSPORT, NERVE GLOBIN, HEME REACTIVITY, CARBON MONOXIDE, KEYWDS 2 PROTEIN MATRIX TUNNEL EXPDTA X-RAY DIFFRACTION AUTHOR F.GERMANI,A.PESCE,A.VENTURINI,L.MOENS,M.BOLOGNESI,S.DEWILDE,M.NARDINI REVDAT 4 20-DEC-23 4AVD 1 REMARK LINK REVDAT 3 06-MAR-19 4AVD 1 REMARK REVDAT 2 05-FEB-14 4AVD 1 SOURCE JRNL REVDAT 1 17-APR-13 4AVD 0 JRNL AUTH F.GERMANI,A.PESCE,A.VENTURINI,L.MOENS,M.BOLOGNESI,S.DEWILDE, JRNL AUTH 2 M.NARDINI JRNL TITL HIGH RESOLUTION CRYSTAL STRUCTURES OF THE CEREBRATULUS JRNL TITL 2 LACTEUS MINI-HB IN THE UNLIGATED AND CARBOMONOXY STATES. JRNL REF INT.J.MOL.SCI. V. 13 8025 2012 JRNL REFN ESSN 1422-0067 JRNL PMID 22942687 JRNL DOI 10.3390/IJMS13078025 REMARK 2 REMARK 2 RESOLUTION. 1.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.5.0102 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) : 1.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 24.73 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 3 NUMBER OF REFLECTIONS : 17471 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) : 0.147 REMARK 3 R VALUE (WORKING SET) : 0.145 REMARK 3 FREE R VALUE : 0.179 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 948 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) : 1.50 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.54 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1276 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 100.0 REMARK 3 BIN R VALUE (WORKING SET) : 0.1310 REMARK 3 BIN FREE R VALUE SET COUNT : 67 REMARK 3 BIN FREE R VALUE : 0.1520 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 814 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 65 REMARK 3 SOLVENT ATOMS : 123 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 15.22 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.11000 REMARK 3 B22 (A**2) : 0.07000 REMARK 3 B33 (A**2) : 0.04000 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): 0.079 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.066 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.035 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.011 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.966 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.954 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 929 ; 0.010 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1274 ; 1.245 ; 2.097 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 117 ; 3.586 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 38 ;31.722 ;24.737 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 134 ;12.147 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 2 ;31.691 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 124 ; 0.073 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 719 ; 0.006 ; 0.020 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): 559 ; 1.198 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 872 ; 2.011 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 370 ; 3.117 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 397 ; 4.589 ; 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): 929 ; 1.430 ; 3.000 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 : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 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 4AVD COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 25-MAY-12. REMARK 100 THE DEPOSITION ID IS D_1290052649. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 04-OCT-11 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID23-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 18465 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.500 REMARK 200 RESOLUTION RANGE LOW (A) : 30.500 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 200 DATA REDUNDANCY : 7.000 REMARK 200 R MERGE (I) : 0.08000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 13.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.50 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.58 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 7.30 REMARK 200 R MERGE FOR SHELL (I) : 0.32000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 5.700 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: PDB ENTRY 1KR7 REMARK 200 REMARK 200 REMARK: NONE REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 52.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.54 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 2.6 M AMMONIUM SULFATE, 50 MM SODIUM REMARK 280 ACETATE PH 5.5, AT 277 K 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 21.33000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 30.07000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 21.74000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 30.07000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 21.33000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 21.74000 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 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: 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 A 144 C CMO A 1110 2.09 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 144 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 69 NE2 REMARK 620 2 HEM A 144 NA 88.9 REMARK 620 3 HEM A 144 NB 91.6 90.9 REMARK 620 4 HEM A 144 NC 90.0 178.8 89.3 REMARK 620 5 HEM A 144 ND 87.9 89.0 179.5 90.8 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 144 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CMO A 1110 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 1112 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 1113 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 1114 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT A 1115 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1KR7 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE NERVE TISSUE MINI-HEMOGLOBIN FROMTHE REMARK 900 NEMERTEAN WORM CEREBRATULUS LACTEUS REMARK 900 RELATED ID: 1V07 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THRE11VAL MUTANT OF THE NERVE TISSUE MINI- REMARK 900 HEMOGLOBIN FROM THE NEMERTEAN WORM CEREBRATULUS LACTEUS REMARK 900 RELATED ID: 2VYY RELATED DB: PDB REMARK 900 MUTANT ALA55TRP OF CEREBRATULS LACTEUS MINI-HEMOGLOBIN REMARK 900 RELATED ID: 2VYZ RELATED DB: PDB REMARK 900 MUTANT ALA55PHE OF CEREBRATULUS LACTEUS MINI-HEMOGLOBIN REMARK 900 RELATED ID: 2XKG RELATED DB: PDB REMARK 900 C.LACTEUS MINI-HB LEU86ALA MUTANT REMARK 900 RELATED ID: 2XKH RELATED DB: PDB REMARK 900 XE DERIVATIVE OF C.LACTEUS MINI-HB LEU86ALA MUTANT REMARK 900 RELATED ID: 2XKI RELATED DB: PDB REMARK 900 AQUO-MET STRUCTURE OF C.LACTEUS MINI-HB REMARK 900 RELATED ID: 4AVE RELATED DB: PDB REMARK 900 C.LACTEUS NERVE HB IN THE DEOXY FORM DBREF 4AVD A 0 109 UNP O76242 GLBN_CERLA 1 110 SEQRES 1 A 110 MET VAL ASN TRP ALA ALA VAL VAL ASP ASP PHE TYR GLN SEQRES 2 A 110 GLU LEU PHE LYS ALA HIS PRO GLU TYR GLN ASN LYS PHE SEQRES 3 A 110 GLY PHE LYS GLY VAL ALA LEU GLY SER LEU LYS GLY ASN SEQRES 4 A 110 ALA ALA TYR LYS THR GLN ALA GLY LYS THR VAL ASP TYR SEQRES 5 A 110 ILE ASN ALA ALA ILE GLY GLY SER ALA ASP ALA ALA GLY SEQRES 6 A 110 LEU ALA SER ARG HIS LYS GLY ARG ASN VAL GLY SER ALA SEQRES 7 A 110 GLU PHE HIS ASN ALA LYS ALA CYS LEU ALA LYS ALA CYS SEQRES 8 A 110 SER ALA HIS GLY ALA PRO ASP LEU GLY HIS ALA ILE ASP SEQRES 9 A 110 ASP ILE LEU SER HIS LEU HET HEM A 144 43 HET CMO A1110 2 HET GOL A1112 6 HET SO4 A1113 5 HET SO4 A1114 10 HET ACT A1115 4 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM CMO CARBON MONOXIDE HETNAM GOL GLYCEROL HETNAM SO4 SULFATE ION HETNAM ACT ACETATE ION HETSYN HEM HEME HETSYN GOL GLYCERIN; PROPANE-1,2,3-TRIOL FORMUL 2 HEM C34 H32 FE N4 O4 FORMUL 3 CMO C O FORMUL 4 GOL C3 H8 O3 FORMUL 5 SO4 2(O4 S 2-) FORMUL 7 ACT C2 H3 O2 1- FORMUL 8 HOH *123(H2 O) HELIX 1 1 ASN A 2 HIS A 18 1 17 HELIX 2 2 PRO A 19 PHE A 25 5 7 HELIX 3 3 ALA A 31 GLY A 37 5 7 HELIX 4 4 ASN A 38 GLY A 57 1 20 HELIX 5 5 ASP A 61 GLY A 71 1 11 HELIX 6 6 GLY A 75 HIS A 93 1 19 HELIX 7 7 LEU A 98 SER A 107 1 10 LINK NE2 HIS A 69 FE HEM A 144 1555 1555 2.06 SITE 1 AC1 22 MET A 0 PHE A 10 TYR A 21 LYS A 24 SITE 2 AC1 22 PHE A 25 GLN A 44 LYS A 47 LEU A 65 SITE 3 AC1 22 ARG A 68 HIS A 69 ARG A 72 VAL A 74 SITE 4 AC1 22 GLU A 78 PHE A 79 ALA A 82 ILE A 102 SITE 5 AC1 22 CMO A1110 SO4 A1114 HOH A2036 HOH A2042 SITE 6 AC1 22 HOH A2120 HOH A2122 SITE 1 AC2 4 TYR A 11 PHE A 25 GLN A 44 HEM A 144 SITE 1 AC3 11 VAL A 1 ASN A 2 TRP A 3 ALA A 4 SITE 2 AC3 11 VAL A 49 ASN A 53 ASP A 61 GLY A 64 SITE 3 AC3 11 ARG A 68 HOH A2123 HOH A2124 SITE 1 AC4 6 HIS A 18 GLU A 20 ALA A 39 LYS A 42 SITE 2 AC4 6 HOH A2027 HOH A2100 SITE 1 AC5 11 MET A 0 VAL A 1 TRP A 3 ALA A 31 SITE 2 AC5 11 ARG A 68 HEM A 144 HOH A2048 HOH A2054 SITE 3 AC5 11 HOH A2068 HOH A2125 HOH A2126 SITE 1 AC6 2 ASN A 2 HIS A 93 CRYST1 42.660 43.480 60.140 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 0.023441 0.000000 0.000000 0.00000 SCALE2 0.000000 0.022999 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016628 0.00000