HEADER TRANSFERASE 06-JAN-00 1DRM TITLE CRYSTAL STRUCTURE OF THE LIGAND FREE BJFIXL HEME DOMAIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: SENSOR PROTEIN FIXL; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: HEME DOMAIN; COMPND 5 EC: 2.7.3.-; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BRADYRHIZOBIUM JAPONICUM; SOURCE 3 ORGANISM_TAXID: 375; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_VECTOR: PRJ7349 KEYWDS FIXL, HEME DOMAIN, PAS FAMILY, TWO-COMPONENT SYSTEM, HISTIDINE KEYWDS 2 KINASE, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR W.GONG,B.HAO,S.S.MANSY,G.GONZALEZ,M.A.GILLES-GONZALEZ,M.K.CHAN REVDAT 3 07-FEB-24 1DRM 1 REMARK SEQADV LINK REVDAT 2 24-FEB-09 1DRM 1 VERSN REVDAT 1 24-JAN-00 1DRM 0 SPRSDE 24-JAN-00 1DRM 1BV6 JRNL AUTH W.GONG,B.HAO,S.S.MANSY,G.GONZALEZ,M.A.GILLES-GONZALEZ, JRNL AUTH 2 M.K.CHAN JRNL TITL STRUCTURE OF A BIOLOGICAL OXYGEN SENSOR: A NEW MECHANISM FOR JRNL TITL 2 HEME-DRIVEN SIGNAL TRANSDUCTION. JRNL REF PROC.NATL.ACAD.SCI.USA V. 95 15177 1998 JRNL REFN ISSN 0027-8424 JRNL PMID 9860942 JRNL DOI 10.1073/PNAS.95.26.15177 REMARK 2 REMARK 2 RESOLUTION. 2.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.851 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 97.0 REMARK 3 NUMBER OF REFLECTIONS : 7104 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.199 REMARK 3 FREE R VALUE : 0.248 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 569 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 938 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 43 REMARK 3 SOLVENT ATOMS : 82 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.014 REMARK 3 BOND ANGLES (DEGREES) : 1.675 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : 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 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: USED WEIGHTED FULL MATRIX LEAST SQUARES REMARK 3 PROCEDURE. REMARK 4 REMARK 4 1DRM COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 13-JAN-00. REMARK 100 THE DEPOSITION ID IS D_1000010316. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL; NULL; NULL; NULL REMARK 200 TEMPERATURE (KELVIN) : 100; 100; 100; 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y; Y; Y; Y REMARK 200 RADIATION SOURCE : NSLS; NSLS; NSLS; NSLS REMARK 200 BEAMLINE : X4A; X4A; X4A; X4A REMARK 200 X-RAY GENERATOR MODEL : NULL; NULL; NULL; NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M; NULL; NULL; NULL REMARK 200 WAVELENGTH OR RANGE (A) : 1.7396; 1.7379; 1.6984; 1.4938 REMARK 200 MONOCHROMATOR : NULL; NULL; NULL; NULL REMARK 200 OPTICS : NULL; NULL; NULL; NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD; NULL; NULL; NULL REMARK 200 DETECTOR MANUFACTURER : NULL; NULL; NULL; NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 7104 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.400 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.0 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.07600 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.40 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 20.00 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.22100 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH; NULL; NULL; NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: PHASES REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 60.95 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.15 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: SODIUM CHLORIDE, MPD, HEPES, PH 7.5, REMARK 280 VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z REMARK 290 3555 -X+Y,-X,Z REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z REMARK 290 6555 -X,-X+Y,-Z REMARK 290 7555 X+2/3,Y+1/3,Z+1/3 REMARK 290 8555 -Y+2/3,X-Y+1/3,Z+1/3 REMARK 290 9555 -X+Y+2/3,-X+1/3,Z+1/3 REMARK 290 10555 Y+2/3,X+1/3,-Z+1/3 REMARK 290 11555 X-Y+2/3,-Y+1/3,-Z+1/3 REMARK 290 12555 -X+2/3,-X+Y+1/3,-Z+1/3 REMARK 290 13555 X+1/3,Y+2/3,Z+2/3 REMARK 290 14555 -Y+1/3,X-Y+2/3,Z+2/3 REMARK 290 15555 -X+Y+1/3,-X+2/3,Z+2/3 REMARK 290 16555 Y+1/3,X+2/3,-Z+2/3 REMARK 290 17555 X-Y+1/3,-Y+2/3,-Z+2/3 REMARK 290 18555 -X+1/3,-X+Y+2/3,-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 0.00000 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 0.00000 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 0.00000 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 0.00000 REMARK 290 SMTRY1 7 1.000000 0.000000 0.000000 64.40000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 37.18136 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 19.63333 REMARK 290 SMTRY1 8 -0.500000 -0.866025 0.000000 64.40000 REMARK 290 SMTRY2 8 0.866025 -0.500000 0.000000 37.18136 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 19.63333 REMARK 290 SMTRY1 9 -0.500000 0.866025 0.000000 64.40000 REMARK 290 SMTRY2 9 -0.866025 -0.500000 0.000000 37.18136 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 19.63333 REMARK 290 SMTRY1 10 -0.500000 0.866025 0.000000 64.40000 REMARK 290 SMTRY2 10 0.866025 0.500000 0.000000 37.18136 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 19.63333 REMARK 290 SMTRY1 11 1.000000 0.000000 0.000000 64.40000 REMARK 290 SMTRY2 11 0.000000 -1.000000 0.000000 37.18136 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 19.63333 REMARK 290 SMTRY1 12 -0.500000 -0.866025 0.000000 64.40000 REMARK 290 SMTRY2 12 -0.866025 0.500000 0.000000 37.18136 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 19.63333 REMARK 290 SMTRY1 13 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 13 0.000000 1.000000 0.000000 74.36271 REMARK 290 SMTRY3 13 0.000000 0.000000 1.000000 39.26667 REMARK 290 SMTRY1 14 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 14 0.866025 -0.500000 0.000000 74.36271 REMARK 290 SMTRY3 14 0.000000 0.000000 1.000000 39.26667 REMARK 290 SMTRY1 15 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 15 -0.866025 -0.500000 0.000000 74.36271 REMARK 290 SMTRY3 15 0.000000 0.000000 1.000000 39.26667 REMARK 290 SMTRY1 16 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 16 0.866025 0.500000 0.000000 74.36271 REMARK 290 SMTRY3 16 0.000000 0.000000 -1.000000 39.26667 REMARK 290 SMTRY1 17 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 17 0.000000 -1.000000 0.000000 74.36271 REMARK 290 SMTRY3 17 0.000000 0.000000 -1.000000 39.26667 REMARK 290 SMTRY1 18 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 18 -0.866025 0.500000 0.000000 74.36271 REMARK 290 SMTRY3 18 0.000000 0.000000 -1.000000 39.26667 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 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 MET A 140 REMARK 465 ARG A 141 REMARK 465 GLU A 142 REMARK 465 THR A 143 REMARK 465 HIS A 144 REMARK 465 LEU A 145 REMARK 465 ARG A 146 REMARK 465 SER A 147 REMARK 465 ILE A 148 REMARK 465 LEU A 149 REMARK 465 HIS A 150 REMARK 465 THR A 151 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 ARG A 254 CG CD NE CZ NH1 NH2 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 154 -164.47 -125.11 REMARK 500 ILE A 184 -13.85 -40.94 REMARK 500 ILE A 215 -35.94 -134.40 REMARK 500 ILE A 218 -51.13 -121.64 REMARK 500 LEU A 269 36.87 -94.10 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 719 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 200 NE2 REMARK 620 2 HEM A 719 NA 93.5 REMARK 620 3 HEM A 719 NB 94.9 89.5 REMARK 620 4 HEM A 719 NC 98.1 168.3 87.9 REMARK 620 5 HEM A 719 ND 93.6 95.5 169.8 85.5 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 719 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1BV6 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE LIGAND FREE BJFIXL HEME DOMAIN REMARK 900 RELATED ID: 1BV5 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CYANIDE-BOUND BJFIXL HEME DOMAIN REMARK 900 RELATED ID: 1DP6 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF OXYGEN-BOUND BJFIXL HEME DOMAIN REMARK 900 RELATED ID: 1DP8 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF NO-BOUND BJFIXL HEME DOMAIN REMARK 900 RELATED ID: 1DP9 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF IMIDAZOLE-BOUND BJFIXL HEME DOMAIN DBREF 1DRM A 140 270 UNP P23222 FIXL_BRAJA 140 270 SEQADV 1DRM MET A 140 UNP P23222 THR 140 CONFLICT SEQRES 1 A 131 MET ARG GLU THR HIS LEU ARG SER ILE LEU HIS THR ILE SEQRES 2 A 131 PRO ASP ALA MET ILE VAL ILE ASP GLY HIS GLY ILE ILE SEQRES 3 A 131 GLN LEU PHE SER THR ALA ALA GLU ARG LEU PHE GLY TRP SEQRES 4 A 131 SER GLU LEU GLU ALA ILE GLY GLN ASN VAL ASN ILE LEU SEQRES 5 A 131 MET PRO GLU PRO ASP ARG SER ARG HIS ASP SER TYR ILE SEQRES 6 A 131 SER ARG TYR ARG THR THR SER ASP PRO HIS ILE ILE GLY SEQRES 7 A 131 ILE GLY ARG ILE VAL THR GLY LYS ARG ARG ASP GLY THR SEQRES 8 A 131 THR PHE PRO MET HIS LEU SER ILE GLY GLU MET GLN SER SEQRES 9 A 131 GLY GLY GLU PRO TYR PHE THR GLY PHE VAL ARG ASP LEU SEQRES 10 A 131 THR GLU HIS GLN GLN THR GLN ALA ARG LEU GLN GLU LEU SEQRES 11 A 131 GLN HET HEM A 719 43 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETSYN HEM HEME FORMUL 2 HEM C34 H32 FE N4 O4 FORMUL 3 HOH *82(H2 O) HELIX 1 1 SER A 169 GLY A 177 1 9 HELIX 2 2 SER A 179 ILE A 184 1 6 HELIX 3 3 VAL A 188 MET A 192 5 5 HELIX 4 4 PRO A 195 SER A 211 1 17 HELIX 5 5 LEU A 256 LEU A 269 1 14 SHEET 1 A 5 ILE A 165 PHE A 168 0 SHEET 2 A 5 ALA A 155 ASP A 160 -1 O VAL A 158 N GLN A 166 SHEET 3 A 5 GLU A 246 ASP A 255 -1 O PHE A 249 N ILE A 159 SHEET 4 A 5 THR A 231 SER A 243 -1 N HIS A 235 O ARG A 254 SHEET 5 A 5 ARG A 220 LYS A 225 -1 O ARG A 220 N LEU A 236 LINK NE2 HIS A 200 FE HEM A 719 1555 1555 2.13 CISPEP 1 GLU A 194 PRO A 195 0 -0.11 SITE 1 AC1 20 ILE A 157 LEU A 191 MET A 192 ASP A 196 SITE 2 AC1 20 HIS A 200 TYR A 203 TYR A 207 PRO A 213 SITE 3 AC1 20 HIS A 214 ILE A 215 ILE A 216 ARG A 220 SITE 4 AC1 20 THR A 223 LEU A 236 ILE A 238 PHE A 249 SITE 5 AC1 20 GLY A 251 HOH A 755 HOH A 770 HOH A 778 CRYST1 128.800 128.800 58.900 90.00 90.00 120.00 H 3 2 18 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 0.007764 0.004483 0.000000 0.00000 SCALE2 0.000000 0.008965 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016978 0.00000