HEADER OXYGEN TRANSPORT 24-MAR-04 1V07 TITLE CRYSTAL STRUCTURE OF THRE11VAL MUTANT OF THE NERVE TISSUE TITLE 2 MINI-HEMOGLOBIN FROM THE NEMERTEAN WORM CEREBRATULUS TITLE 3 LACTEUS COMPND MOL_ID: 1; COMPND 2 MOLECULE: NEURAL HEMOGLOBIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: NRHB; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: 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; SOURCE 7 EXPRESSION_SYSTEM_PLASMID: PET3A KEYWDS OXYGEN TRANSPORT, OXYGEN AFFINITY OF C.LACTEUS KEYWDS 2 MINI-HEMOGLOBIN, NERVE TISSUE MINI-HEMOGLOBIN EXPDTA X-RAY DIFFRACTION AUTHOR A.PESCE,M.NARDINI,P.ASCENZI,E.GEUENS,S.DEWILDE,L.MOENS, AUTHOR 2 M.BOLOGNESI,A.RIGGS,A.HALE,P.DENG,G.U.NIENHAUS,J.S.OLSON, AUTHOR 3 K.NIENHAUS REVDAT 3 24-FEB-09 1V07 1 VERSN REVDAT 2 05-AUG-04 1V07 1 JRNL REVDAT 1 03-JUN-04 1V07 0 JRNL AUTH A.PESCE,M.NARDINI,P.ASCENZI,E.GEUENS,S.DEWILDE, JRNL AUTH 2 L.MOENS,M.BOLOGNESI,A.RIGGS,A.HALE,P.DENG, JRNL AUTH 3 G.U.NIENHAUS,J.S.OLSON,K.NIENHAUS JRNL TITL THR-E11 REGULATES O2 AFFINITY IN CEREBRATULUS JRNL TITL 2 LACTEUS MINI-HEMOGLOBIN JRNL REF J.BIOL.CHEM. V. 279 33662 2004 JRNL REFN ISSN 0021-9258 JRNL PMID 15161908 JRNL DOI 10.1074/JBC.M403597200 REMARK 2 REMARK 2 RESOLUTION. 1.7 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.0 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 100 REMARK 3 NUMBER OF REFLECTIONS : 11236 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) : 0.17025 REMARK 3 R VALUE (WORKING SET) : 0.16737 REMARK 3 FREE R VALUE : 0.19526 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.0 REMARK 3 FREE R VALUE TEST SET COUNT : 1263 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 : 50 REMARK 3 SOLVENT ATOMS : 92 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 20.60 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 1.51 REMARK 3 B22 (A**2) : -0.55 REMARK 3 B33 (A**2) : -0.96 REMARK 3 B12 (A**2) : 0.0 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): 0.106 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.100 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.058 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.735 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : NULL ; NULL REMARK 3 ANGLE DISTANCE (A) : NULL ; NULL REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : NULL ; NULL REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : NULL ; NULL REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : NULL ; NULL REMARK 3 MULTIPLE TORSION (A) : NULL ; NULL REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : NULL ; NULL REMARK 3 STAGGERED (DEGREES) : NULL ; NULL REMARK 3 TRANSVERSE (DEGREES) : NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1V07 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 25-MAR-04. REMARK 100 THE PDBE ID CODE IS EBI-14861. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 11-DEC-02 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 6.00 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID14-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.933 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 12524 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.700 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.3 REMARK 200 DATA REDUNDANCY : 6.400 REMARK 200 R MERGE (I) : 0.07300 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 22.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.73 REMARK 200 COMPLETENESS FOR SHELL (%) : 95.4 REMARK 200 DATA REDUNDANCY IN SHELL : 5.40 REMARK 200 R MERGE FOR SHELL (I) : 0.40900 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 5.000 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: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.5 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.30 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULFATE, REMARK 280 SODIUM ACETATE, PH 6.0 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 21.32800 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 29.83000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 21.71100 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 29.83000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 21.32800 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 21.71100 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: 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 400 REMARK 400 COMPOUND REMARK 400 ENGINEERED MUTATION IN CHAIN A, THR 48 TO VAL 48 REMARK 400 REMARK 400 FUNCTION: ACTS AS AN OXYGEN STORE CAPABLE OF SUSTAINING NEURONAL REMARK 400 ACTIVITY IN AN ANOXIC ENVIRONMENT FOR 5 TO 30 MIN. REMARK 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; REMARK 480 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 480 I=INSERTION CODE): REMARK 480 M RES CSSEQI ATOMS REMARK 480 LYS A 36 NZ REMARK 480 LYS A 47 NZ 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 O HOH A 2024 - O HOH A 2065 1.92 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 REMARK 500 O HOH A 2044 O HOH A 2059 3655 0.61 REMARK 500 REMARK 500 REMARK: NULL 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 ASP A 9 CB - CG - OD2 ANGL. DEV. = 5.8 DEGREES 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 HEM A 144 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 69 NE2 REMARK 620 2 HEM A 144 NA 90.4 REMARK 620 3 HEM A 144 ND 88.2 91.2 REMARK 620 4 HEM A 144 NB 92.5 89.3 179.2 REMARK 620 5 HEM A 144 NC 89.4 179.2 89.6 90.0 REMARK 620 6 OXY A 150 O1 160.9 102.8 105.0 74.2 77.2 REMARK 620 7 OXY A 150 O2 170.8 83.2 85.4 94.0 97.1 28.3 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 SO4 A 152 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 144 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE OXY A 150 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1KR7 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE NERVE TISSUE MINI- REMARK 900 HEMOGLOBIN FROMTHE NEMERTEAN WORM CEREBRATULUS REMARK 900 LACTEUS DBREF 1V07 A 0 0 PDB 1V07 1V07 0 0 DBREF 1V07 A 1 109 UNP O76242 GLBN_CERLA 1 109 SEQADV 1V07 VAL A 48 UNP O76242 THR 48 ENGINEERED MUTATION 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 VAL 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 SO4 A 152 5 HET HEM A 144 43 HET OXY A 150 2 HETNAM SO4 SULFATE ION HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM OXY OXYGEN MOLECULE HETSYN HEM [DIHYDROGEN 3,7,12,17-TETRAMETHYL-8,13- HETSYN 2 HEM DIVINYL-2,18-PORPHINEDIPROPIONATO(2-)]IRON FORMUL 2 SO4 O4 S 2- FORMUL 3 HEM C34 H32 FE N4 O4 FORMUL 4 OXY O2 FORMUL 5 HOH *92(H2 O1) 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 58 1 21 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 FE HEM A 144 O2 OXY A 150 1555 1555 1.90 LINK FE HEM A 144 NE2 HIS A 69 1555 1555 2.09 LINK FE HEM A 144 O1 OXY A 150 1555 1555 2.48 SITE 1 AC1 9 MET A 0 VAL A 1 TRP A 3 ILE A 56 SITE 2 AC1 9 ARG A 68 HOH A2048 HOH A2090 HOH A2091 SITE 3 AC1 9 HOH A2092 SITE 1 AC2 19 MET A 0 TYR A 21 LYS A 24 PHE A 25 SITE 2 AC2 19 GLN A 44 LYS A 47 LEU A 65 ARG A 68 SITE 3 AC2 19 HIS A 69 ARG A 72 PHE A 79 ALA A 82 SITE 4 AC2 19 ILE A 102 OXY A 150 HOH A2022 HOH A2085 SITE 5 AC2 19 HOH A2086 HOH A2087 HOH A2088 SITE 1 AC3 4 TYR A 11 PHE A 25 GLN A 44 HEM A 144 CRYST1 42.656 43.422 59.660 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 0.023443 0.000000 0.000000 0.00000 SCALE2 0.000000 0.023030 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016762 0.00000