HEADER OXIDOREDUCTASE 03-SEP-02 1IYN TITLE CRYSTAL STRUCTURE OF CHLOROPLASTIC ASCORBATE PEROXIDASE FROM TOBACCO TITLE 2 PLANTS AND STRUCTURAL INSIGHTS FOR ITS INSTABILITY COMPND MOL_ID: 1; COMPND 2 MOLECULE: CHLOROPLASTIC ASCORBATE PEROXIDASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: STROMAL ASCORBATE PEROXIDASE; COMPND 5 EC: 1.11.1.11; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: NICOTIANA TABACUM; SOURCE 3 ORGANISM_COMMON: COMMON TOBACCO; SOURCE 4 ORGANISM_TAXID: 4097; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3)PLYSS; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET-3A KEYWDS ASCORBATE, PEROXIDASE, HYDROGEN PEROXIDE, TOBACCO PLANT, STROMAL KEYWDS 2 ASCORBATE PEROXIDASE, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR K.WADA,T.TADA,Y.NAKAMURA REVDAT 4 25-OCT-23 1IYN 1 REMARK LINK REVDAT 3 24-FEB-09 1IYN 1 VERSN REVDAT 2 14-OCT-03 1IYN 1 JRNL REVDAT 1 03-SEP-03 1IYN 0 JRNL AUTH K.WADA,T.TADA,Y.NAKAMURA,T.ISHIKAWA,Y.YABUTA,K.YOSHIMURA, JRNL AUTH 2 S.SHIGEOKA,K.NISHIMURA JRNL TITL CRYSTAL STRUCTURE OF CHLOROPLASTIC ASCORBATE PEROXIDASE FROM JRNL TITL 2 TOBACCO PLANTS AND STRUCTURAL INSIGHTS INTO ITS INSTABILITY JRNL REF J.BIOCHEM.(TOKYO) V. 134 239 2003 JRNL REFN ISSN 0021-924X JRNL PMID 12966073 JRNL DOI 10.1093/JB/MVG136 REMARK 2 REMARK 2 RESOLUTION. 1.60 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 7.99 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1200065.890 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 37796 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 SET) : 0.191 REMARK 3 FREE R VALUE : 0.222 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 3794 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.004 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.60 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.70 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.80 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 5582 REMARK 3 BIN R VALUE (WORKING SET) : 0.2340 REMARK 3 BIN FREE R VALUE : 0.2510 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.10 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 625 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.010 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2138 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 45 REMARK 3 SOLVENT ATOMS : 296 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 13.80 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 15.10 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 1.25000 REMARK 3 B22 (A**2) : 0.74000 REMARK 3 B33 (A**2) : -1.99000 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 COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.18 REMARK 3 ESD FROM SIGMAA (A) : 0.13 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.20 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.10 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 20.90 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.830 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : ANISOTROPIC REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 2.170 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.720 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 4.810 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 6.450 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.47 REMARK 3 BSOL : 68.05 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER.PARAM REMARK 3 PARAMETER FILE 3 : HEC_XPLOR_PARAM REMARK 3 PARAMETER FILE 4 : ION.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : HEC_XPLOR_TOP REMARK 3 TOPOLOGY FILE 4 : ION.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1IYN COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 04-SEP-02. REMARK 100 THE DEPOSITION ID IS D_1000005413. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 07-JUN-01 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : PHOTON FACTORY REMARK 200 BEAMLINE : BL-18B REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 REMARK 200 MONOCHROMATOR : DOUBEL-CRYSTAL SILICON (111) + REMARK 200 GERMANIUM (220) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA, CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 38108 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.600 REMARK 200 RESOLUTION RANGE LOW (A) : 8.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : 6.400 REMARK 200 R MERGE (I) : 0.06500 REMARK 200 R SYM (I) : 0.06500 REMARK 200 FOR THE DATA SET : 8.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.69 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.8 REMARK 200 DATA REDUNDANCY IN SHELL : 6.00 REMARK 200 R MERGE FOR SHELL (I) : 0.23900 REMARK 200 R SYM FOR SHELL (I) : 0.23900 REMARK 200 FOR SHELL : 3.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: 1APX REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.65 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.18 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 4000, TRIS-HCL, MAGNESIUM REMARK 280 CHLORIDE, PH 8.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 277K 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 18.59400 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 49.38800 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 38.39500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 49.38800 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 18.59400 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 38.39500 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 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 SER A 276 REMARK 465 PRO A 277 REMARK 465 ALA A 278 REMARK 465 GLY A 279 REMARK 465 ALA A 280 REMARK 465 ALA A 281 REMARK 465 PRO A 282 REMARK 465 GLU A 283 REMARK 465 LYS A 284 REMARK 465 PHE A 285 REMARK 465 VAL A 286 REMARK 465 ALA A 287 REMARK 465 ALA A 288 REMARK 465 LYS A 289 REMARK 465 TYR A 290 REMARK 465 SER A 291 REMARK 465 THR A 292 REMARK 465 GLY A 293 REMARK 465 LYS A 294 REMARK 465 ASP A 295 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 CYS A 24 30.64 -98.09 REMARK 500 ALA A 52 81.24 -68.19 REMARK 500 HIS A 163 0.18 -69.11 REMARK 500 ARG A 172 -91.31 -114.34 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 NA A 298 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 35 OD2 REMARK 620 2 GLY A 51 O 97.8 REMARK 620 3 ASN A 53 OD1 108.3 86.1 REMARK 620 4 SER A 55 OG 97.5 160.4 77.5 REMARK 620 5 HOH A 306 O 89.2 107.6 156.5 84.8 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM A 296 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 163 NE2 REMARK 620 2 HEM A 296 NA 89.8 REMARK 620 3 HEM A 296 NB 88.3 90.4 REMARK 620 4 HEM A 296 NC 92.2 178.0 89.7 REMARK 620 5 HEM A 296 ND 91.0 91.4 178.1 88.6 REMARK 620 6 HOH A 299 O 178.9 89.4 90.9 88.6 89.8 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NA A 297 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR A 164 O REMARK 620 2 THR A 164 OG1 76.4 REMARK 620 3 THR A 196 OG1 70.8 98.3 REMARK 620 4 GLN A 198 O 105.4 176.0 85.6 REMARK 620 5 LYS A 201 O 98.2 87.1 166.0 89.2 REMARK 620 6 HOH A 312 O 155.1 86.7 94.2 92.7 99.1 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 NA A 297 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A 298 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 296 DBREF 1IYN A 1 295 UNP Q8LNY5 Q8LNY5_TOBAC 1 295 SEQRES 1 A 295 ALA ALA SER ASP SER ALA GLN LEU LYS SER ALA ARG GLU SEQRES 2 A 295 ASP ILE LYS GLU LEU LEU LYS THR LYS PHE CYS HIS PRO SEQRES 3 A 295 ILE MET VAL ARG LEU GLY TRP HIS ASP ALA GLY THR TYR SEQRES 4 A 295 ASN LYS ASN ILE GLU GLU TRP PRO GLN ARG GLY GLY ALA SEQRES 5 A 295 ASN GLY SER LEU ARG PHE ASP VAL GLU LEU LYS HIS GLY SEQRES 6 A 295 ALA ASN ALA GLY LEU VAL ASN ALA LEU ASN LEU LEU LYS SEQRES 7 A 295 PRO ILE LYS ASP LYS TYR SER GLY VAL THR TYR ALA ASP SEQRES 8 A 295 LEU PHE GLN LEU ALA SER ALA THR ALA ILE GLU GLU ALA SEQRES 9 A 295 GLY GLY PRO LYS ILE PRO MET LYS TYR GLY ARG VAL ASP SEQRES 10 A 295 VAL THR GLU PRO GLU GLN CYS PRO GLU GLU GLY ARG LEU SEQRES 11 A 295 PRO ASP ALA GLY PRO PRO SER PRO ALA GLN HIS LEU ARG SEQRES 12 A 295 ASP VAL PHE TYR ARG MET GLY LEU ASN ASP LYS GLU ILE SEQRES 13 A 295 VAL ALA LEU SER GLY ALA HIS THR LEU GLY ARG SER ARG SEQRES 14 A 295 PRO ASP ARG SER GLY TRP GLY LYS PRO GLU THR LYS TYR SEQRES 15 A 295 THR LYS ASP GLY PRO GLY ALA PRO GLY GLY GLN SER TRP SEQRES 16 A 295 THR ALA GLN TRP LEU LYS PHE ASP ASN SER TYR PHE LYS SEQRES 17 A 295 ASP ILE LYS GLU ARG ARG ASP GLU ASP LEU LEU VAL LEU SEQRES 18 A 295 PRO THR ASP ALA ALA LEU PHE GLU ASP PRO SER PHE LYS SEQRES 19 A 295 VAL TYR ALA GLU LYS TYR ALA ALA ASP PRO GLU ALA PHE SEQRES 20 A 295 PHE LYS ASP TYR ALA GLU ALA HIS ALA LYS LEU SER ASN SEQRES 21 A 295 LEU GLY ALA LYS PHE GLY PRO ALA GLU GLY PHE SER LEU SEQRES 22 A 295 GLU GLY SER PRO ALA GLY ALA ALA PRO GLU LYS PHE VAL SEQRES 23 A 295 ALA ALA LYS TYR SER THR GLY LYS ASP HET NA A 297 1 HET NA A 298 1 HET HEM A 296 43 HETNAM NA SODIUM ION HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETSYN HEM HEME FORMUL 2 NA 2(NA 1+) FORMUL 4 HEM C34 H32 FE N4 O4 FORMUL 5 HOH *296(H2 O) HELIX 1 1 SER A 3 PHE A 23 1 21 HELIX 2 2 CYS A 24 GLY A 37 1 14 HELIX 3 3 GLY A 54 ARG A 57 5 4 HELIX 4 4 PHE A 58 LYS A 63 1 6 HELIX 5 5 HIS A 64 ALA A 68 5 5 HELIX 6 6 GLY A 69 GLY A 69 5 1 HELIX 7 7 LEU A 70 TYR A 84 1 15 HELIX 8 8 THR A 88 ALA A 104 1 17 HELIX 9 9 GLU A 120 CYS A 124 5 5 HELIX 10 10 SER A 137 GLY A 150 1 14 HELIX 11 11 ASN A 152 GLY A 161 1 10 HELIX 12 12 ALA A 162 LEU A 165 5 4 HELIX 13 13 ASN A 204 ARG A 213 1 10 HELIX 14 14 LEU A 221 ASP A 230 1 10 HELIX 15 15 SER A 232 ASP A 243 1 12 HELIX 16 16 ASP A 243 LEU A 261 1 19 SHEET 1 A 2 ARG A 167 SER A 168 0 SHEET 2 A 2 GLN A 193 SER A 194 -1 O GLN A 193 N SER A 168 LINK OD2 ASP A 35 NA NA A 298 1555 1555 2.53 LINK O GLY A 51 NA NA A 298 1555 1555 2.42 LINK OD1 ASN A 53 NA NA A 298 1555 1555 2.45 LINK OG SER A 55 NA NA A 298 1555 1555 2.57 LINK NE2 HIS A 163 FE HEM A 296 1555 1555 2.18 LINK O THR A 164 NA NA A 297 1555 1555 2.41 LINK OG1 THR A 164 NA NA A 297 1555 1555 2.62 LINK OG1 THR A 196 NA NA A 297 1555 1555 2.75 LINK O GLN A 198 NA NA A 297 1555 1555 2.53 LINK O LYS A 201 NA NA A 297 1555 1555 2.47 LINK FE HEM A 296 O HOH A 299 1555 1555 2.19 LINK NA NA A 297 O HOH A 312 1555 1555 2.86 LINK NA NA A 298 O HOH A 306 1555 1555 2.45 CISPEP 1 TRP A 46 PRO A 47 0 0.11 CISPEP 2 GLY A 186 PRO A 187 0 0.23 CISPEP 3 GLY A 266 PRO A 267 0 -0.17 SITE 1 AC1 5 THR A 164 THR A 196 GLN A 198 LYS A 201 SITE 2 AC1 5 HOH A 312 SITE 1 AC2 5 ASP A 35 GLY A 51 ASN A 53 SER A 55 SITE 2 AC2 5 HOH A 306 SITE 1 AC3 24 PRO A 26 ARG A 30 TRP A 33 PRO A 131 SITE 2 AC3 24 ASP A 132 ALA A 133 LEU A 142 PHE A 146 SITE 3 AC3 24 LEU A 159 ALA A 162 HIS A 163 GLY A 166 SITE 4 AC3 24 ARG A 167 SER A 168 ARG A 169 ARG A 172 SITE 5 AC3 24 SER A 173 TRP A 195 THR A 223 TYR A 251 SITE 6 AC3 24 HOH A 299 HOH A 305 HOH A 325 HOH A 363 CRYST1 37.188 76.790 98.776 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 0.026890 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013023 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010124 0.00000