HEADER SIGNALING PROTEIN 28-JUN-18 6DXI TITLE CRYSTAL STRUCTURE OF H-NOX PROTEIN FROM NOSTOC SP V52W/L67W DOUBLE- TITLE 2 MUTANT. COMPND MOL_ID: 1; COMPND 2 MOLECULE: H-NOX; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: NOSTOC SP.; SOURCE 3 ORGANISM_TAXID: 1180; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI K-12; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 83333; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: ROSETTA; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PET-21B KEYWDS NO-SENSING, FERROUS HEME, CYANOBACTERIA, SIGNALING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR A.WEICHSEL,J.A.KIEVENAAR,W.R.MONTFORT REVDAT 4 11-OCT-23 6DXI 1 REMARK REVDAT 3 18-DEC-19 6DXI 1 REMARK REVDAT 2 18-JUL-18 6DXI 1 JRNL REVDAT 1 11-JUL-18 6DXI 0 JRNL AUTH J.A.KIEVENAAR,J.T.CROFT,J.LI,C.FENG,A.WEICHSEL,W.R.MONTFORT JRNL TITL STRUCTURE OF H-NOX DOMAIN FROM CYANOBACTERIA NOSTOC SP JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 2.60 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0049 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) : 2.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 97.4 REMARK 3 NUMBER OF REFLECTIONS : 7622 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) : 0.210 REMARK 3 R VALUE (WORKING SET) : 0.207 REMARK 3 FREE R VALUE : 0.259 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.800 REMARK 3 FREE R VALUE TEST SET COUNT : 385 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) : 2.60 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.67 REMARK 3 REFLECTION IN BIN (WORKING SET) : 529 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 96.37 REMARK 3 BIN R VALUE (WORKING SET) : 0.3320 REMARK 3 BIN FREE R VALUE SET COUNT : 28 REMARK 3 BIN FREE R VALUE : 0.3260 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1503 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 43 REMARK 3 SOLVENT ATOMS : 11 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 47.80 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 46.45 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 1.28000 REMARK 3 B22 (A**2) : 1.28000 REMARK 3 B33 (A**2) : -4.15000 REMARK 3 B12 (A**2) : 0.64000 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): 0.584 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.313 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.305 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 14.709 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.917 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.905 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1593 ; 0.017 ; 0.019 REMARK 3 BOND LENGTHS OTHERS (A): 1425 ; 0.001 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2170 ; 1.865 ; 1.981 REMARK 3 BOND ANGLES OTHERS (DEGREES): 3285 ; 0.864 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 188 ; 6.507 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 77 ;42.708 ;24.675 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 253 ;21.592 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 5 ;18.785 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 219 ; 0.121 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1827 ; 0.009 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 386 ; 0.003 ; 0.020 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): 755 ; 3.656 ; 4.332 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 754 ; 3.656 ; 4.332 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 942 ; 5.606 ; 6.500 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): 943 ; 5.604 ; 6.500 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 838 ; 5.249 ; 4.921 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): 836 ; 5.253 ; 4.927 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): 1228 ; 8.090 ; 7.085 REMARK 3 LONG RANGE B REFINED ATOMS (A**2): 1819 ; 9.924 ;34.460 REMARK 3 LONG RANGE B OTHER ATOMS (A**2): 1820 ; 9.923 ;34.456 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 ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 6DXI COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 29-JUN-18. REMARK 100 THE DEPOSITION ID IS D_1000235397. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 04-APR-18 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.4 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL12-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97946 REMARK 200 MONOCHROMATOR : SI(111) REMARK 200 OPTICS : FLAT SI RH COATED M0, REMARK 200 KIRKPATRICK-BAEZ FLAT BENT SI M1 REMARK 200 & M2 REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 8033 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.600 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 (%) : 98.0 REMARK 200 DATA REDUNDANCY : 4.800 REMARK 200 R MERGE (I) : 0.13900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 9.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.72 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.0 REMARK 200 DATA REDUNDANCY IN SHELL : 4.90 REMARK 200 R MERGE FOR SHELL (I) : 0.91000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: FFT REMARK 200 STARTING MODEL: 6DX6 REMARK 200 REMARK 200 REMARK: HEXAGONAL ROD REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 59.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.00 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: SODIUM PHOSPHATE, POTASSIUM PHOSPHATE, REMARK 280 PH 7.4, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 289K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+1/3 REMARK 290 6555 -X,-X+Y,-Z+2/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 68.84267 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 34.42133 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 34.42133 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 68.84267 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 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 A 190 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 CYS A 139 CA - CB - SG ANGL. DEV. = 8.8 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 THR A 125 -18.58 -49.58 REMARK 500 SER A 126 -165.27 -179.80 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 500 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 105 NE2 REMARK 620 2 HEM A 500 NA 93.0 REMARK 620 3 HEM A 500 NB 87.1 90.1 REMARK 620 4 HEM A 500 NC 92.7 174.1 91.8 REMARK 620 5 HEM A 500 ND 96.9 86.2 174.7 91.6 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 500 DBREF1 6DXI A 1 182 UNP A0A1Z4KG06_ANAVA DBREF2 6DXI A A0A1Z4KG06 1 182 SEQADV 6DXI TRP A 52 UNP A0A1Z4KG0 VAL 52 ENGINEERED MUTATION SEQADV 6DXI TRP A 67 UNP A0A1Z4KG0 LEU 67 ENGINEERED MUTATION SEQADV 6DXI GLY A 183 UNP A0A1Z4KG0 EXPRESSION TAG SEQADV 6DXI ALA A 184 UNP A0A1Z4KG0 EXPRESSION TAG SEQADV 6DXI GLU A 185 UNP A0A1Z4KG0 EXPRESSION TAG SEQADV 6DXI ASN A 186 UNP A0A1Z4KG0 EXPRESSION TAG SEQADV 6DXI LEU A 187 UNP A0A1Z4KG0 EXPRESSION TAG SEQADV 6DXI TYR A 188 UNP A0A1Z4KG0 EXPRESSION TAG SEQADV 6DXI PHE A 189 UNP A0A1Z4KG0 EXPRESSION TAG SEQADV 6DXI GLN A 190 UNP A0A1Z4KG0 EXPRESSION TAG SEQRES 1 A 190 MET TYR GLY LEU VAL ASN LYS ALA ILE GLN ASP MET ILE SEQRES 2 A 190 SER LYS HIS HIS GLY GLU ASP THR TRP GLU ALA ILE LYS SEQRES 3 A 190 GLN LYS ALA GLY LEU GLU ASP ILE ASP PHE PHE VAL GLY SEQRES 4 A 190 MET GLU ALA TYR SER ASP ASP VAL THR TYR HIS LEU TRP SEQRES 5 A 190 GLY ALA ALA SER GLU VAL LEU GLY LYS PRO ALA GLU GLU SEQRES 6 A 190 LEU TRP ILE ALA PHE GLY GLU TYR TRP VAL THR TYR THR SEQRES 7 A 190 SER GLU GLU GLY TYR GLY GLU LEU LEU ALA SER ALA GLY SEQRES 8 A 190 ASP SER LEU PRO GLU PHE MET GLU ASN LEU ASP ASN LEU SEQRES 9 A 190 HIS ALA ARG VAL GLY LEU SER PHE PRO GLN LEU ARG PRO SEQRES 10 A 190 PRO ALA PHE GLU CYS GLN HIS THR SER SER LYS SER MET SEQRES 11 A 190 GLU LEU HIS TYR GLN SER THR ARG CYS GLY LEU ALA PRO SEQRES 12 A 190 MET VAL LEU GLY LEU LEU HIS GLY LEU GLY LYS ARG PHE SEQRES 13 A 190 GLN THR LYS VAL GLU VAL THR GLN THR ALA PHE ARG GLU SEQRES 14 A 190 THR GLY GLU ASP HIS ASP ILE PHE SER ILE LYS TYR GLU SEQRES 15 A 190 GLY ALA GLU ASN LEU TYR PHE GLN HET HEM A 500 43 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETSYN HEM HEME FORMUL 2 HEM C34 H32 FE N4 O4 FORMUL 3 HOH *11(H2 O) HELIX 1 AA1 TYR A 2 GLY A 18 1 17 HELIX 2 AA2 GLY A 18 GLY A 30 1 13 HELIX 3 AA3 ASP A 45 LEU A 59 1 15 HELIX 4 AA4 PRO A 62 GLU A 81 1 20 HELIX 5 AA5 TYR A 83 GLY A 91 1 9 HELIX 6 AA6 SER A 93 ASN A 100 1 8 HELIX 7 AA7 ASN A 100 GLY A 109 1 10 HELIX 8 AA8 LEU A 141 PHE A 156 1 16 HELIX 9 AA9 PHE A 167 GLY A 171 5 5 HELIX 10 AB1 ALA A 184 PHE A 189 1 6 SHEET 1 AA1 4 ALA A 119 GLN A 123 0 SHEET 2 AA1 4 SER A 129 GLN A 135 -1 O GLN A 135 N ALA A 119 SHEET 3 AA1 4 ASP A 175 GLU A 182 -1 O ILE A 179 N MET A 130 SHEET 4 AA1 4 LYS A 159 ALA A 166 -1 N GLU A 161 O LYS A 180 LINK NE2 HIS A 105 FE HEM A 500 1555 1555 2.22 SITE 1 AC1 15 MET A 1 TYR A 2 TRP A 74 TYR A 83 SITE 2 AC1 15 PHE A 97 LEU A 101 HIS A 105 VAL A 108 SITE 3 AC1 15 LEU A 115 ARG A 116 PRO A 118 TYR A 134 SITE 4 AC1 15 SER A 136 ARG A 138 LEU A 148 CRYST1 65.172 65.172 103.264 90.00 90.00 120.00 P 32 2 1 6 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 0.015344 0.008859 0.000000 0.00000 SCALE2 0.000000 0.017718 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009684 0.00000