HEADER OXIDOREDUCTASE 24-JUL-97 1BGP TITLE CRYSTAL STRUCTURE OF BARLEY GRAIN PEROXIDASE 1 COMPND MOL_ID: 1; COMPND 2 MOLECULE: BARLEY GRAIN PEROXIDASE; COMPND 3 CHAIN: A; COMPND 4 EC: 1.11.1.7 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HORDEUM VULGARE; SOURCE 3 ORGANISM_TAXID: 4513 KEYWDS PEROXIDASE, CHROMOPROTEIN, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR A.HENRIKSEN REVDAT 3 02-AUG-23 1BGP 1 REMARK SEQADV LINK REVDAT 2 24-FEB-09 1BGP 1 VERSN REVDAT 1 12-NOV-97 1BGP 0 JRNL AUTH A.HENRIKSEN,K.G.WELINDER,M.GAJHEDE JRNL TITL STRUCTURE OF BARLEY GRAIN PEROXIDASE REFINED AT 1.9-A JRNL TITL 2 RESOLUTION. A PLANT PEROXIDASE REVERSIBLY INACTIVATED AT JRNL TITL 3 NEUTRAL PH. JRNL REF J.BIOL.CHEM. V. 273 2241 1998 JRNL REFN ISSN 0021-9258 JRNL PMID 9442067 JRNL DOI 10.1074/JBC.273.4.2241 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.1 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 38.00 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) (%) : 96.8 REMARK 3 NUMBER OF REFLECTIONS : 24371 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) : 0.192 REMARK 3 FREE R VALUE : 0.230 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : NULL 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 : 8 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.99 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 81.40 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2457 REMARK 3 BIN R VALUE (WORKING SET) : 0.2980 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 : 2370 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 45 REMARK 3 SOLVENT ATOMS : 146 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 18.90 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 23.50 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) : 0.21 REMARK 3 ESD FROM SIGMAA (A) : 0.23 REMARK 3 LOW RESOLUTION CUTOFF (A) : 30.0 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) : 0.004 REMARK 3 BOND ANGLES (DEGREES) : 1.100 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 19.70 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.100 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.820 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.800 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 3.350 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 5.070 ; 2.500 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 : PARHCSDX.PRO REMARK 3 PARAMETER FILE 2 : PARAM.HEME REMARK 3 PARAMETER FILE 3 : PARAM.CAT REMARK 3 PARAMETER FILE 4 : PARAM19.SOL REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : TOPH.HEME REMARK 3 TOPOLOGY FILE 3 : TOPH.CAT REMARK 3 TOPOLOGY FILE 4 : TOPH19.SOL REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1BGP COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000171735. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : MAR-94 REMARK 200 TEMPERATURE (KELVIN) : 287 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RUH2R REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE(002) REMARK 200 OPTICS : COLLIMATOR REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO, CCP4 REMARK 200 DATA SCALING SOFTWARE : CCP4 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 24371 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 38.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.8 REMARK 200 DATA REDUNDANCY : 5.800 REMARK 200 R MERGE (I) : 0.09700 REMARK 200 R SYM (I) : 0.08800 REMARK 200 FOR THE DATA SET : 7.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.99 REMARK 200 COMPLETENESS FOR SHELL (%) : 81.4 REMARK 200 DATA REDUNDANCY IN SHELL : 3.70 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.41600 REMARK 200 FOR SHELL : 1.800 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR 3.1 REMARK 200 STARTING MODEL: PDB ENTRY 1SCH, POLY-ALA CHAIN REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.12 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.28 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 7.5 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z REMARK 290 3555 -X+1/2,Y+1/2,-Z 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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 35.96000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 52.53000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 35.96000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 52.53000 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: DIMERIC 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 350 BIOMT1 2 -1.000000 0.000000 0.000000 71.92000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 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 TRP A 15 CG CD1 CD2 NE1 CE2 CE3 CZ2 REMARK 470 TRP A 15 CZ3 CH2 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 HIS A 179 CE1 - NE2 - CD2 ANGL. DEV. = 4.2 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 CYS A 18 83.31 -152.94 REMARK 500 GLN A 54 -27.16 76.28 REMARK 500 ARG A 288 55.07 36.67 REMARK 500 SER A 292 -95.77 41.93 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 502 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 50 O REMARK 620 2 ASP A 50 OD1 82.7 REMARK 620 3 VAL A 53 O 76.2 140.4 REMARK 620 4 GLY A 55 O 74.6 107.0 99.2 REMARK 620 5 ASP A 57 OD1 142.6 96.5 120.5 69.9 REMARK 620 6 SER A 59 OG 146.3 90.7 88.8 138.4 70.9 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM A 400 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 179 NE2 REMARK 620 2 HEM A 400 NA 98.0 REMARK 620 3 HEM A 400 NB 93.4 88.8 REMARK 620 4 HEM A 400 NC 98.6 163.4 90.9 REMARK 620 5 HEM A 400 ND 89.8 90.9 176.8 88.5 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 501 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR A 180 O REMARK 620 2 THR A 180 OG1 73.5 REMARK 620 3 ASP A 225 OD2 89.9 80.1 REMARK 620 4 THR A 228 O 82.8 154.9 91.9 REMARK 620 5 THR A 228 OG1 153.0 131.2 85.0 70.9 REMARK 620 6 VAL A 231 O 86.6 91.0 171.1 95.8 101.7 REMARK 620 7 ASP A 233 OD1 138.2 67.0 96.0 138.0 68.8 81.2 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 CA A 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A 502 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 400 DBREF 1BGP A 1 309 UNP Q40069 Q40069_HORVU 29 337 SEQADV 1BGP TRP A 15 UNP Q40069 ARG 43 CONFLICT SEQADV 1BGP GLN A 16 UNP Q40069 ARG 44 CONFLICT SEQADV 1BGP ALA A 215 UNP Q40069 VAL 243 CONFLICT SEQADV 1BGP GLN A 268 UNP Q40069 ARG 296 CONFLICT SEQRES 1 A 309 ALA GLU PRO PRO VAL ALA PRO GLY LEU SER PHE ASP PHE SEQRES 2 A 309 TYR TRP GLN THR CYS PRO ARG ALA GLU SER ILE VAL ARG SEQRES 3 A 309 GLU PHE VAL GLN GLU ALA VAL ARG LYS ASP ILE GLY LEU SEQRES 4 A 309 ALA ALA GLY LEU LEU ARG LEU HIS PHE HIS ASP CYS PHE SEQRES 5 A 309 VAL GLN GLY CYS ASP ALA SER VAL LEU LEU ASP GLY SER SEQRES 6 A 309 ALA THR GLY PRO GLY GLU GLN GLN ALA PRO PRO ASN LEU SEQRES 7 A 309 THR LEU ARG PRO SER ALA PHE LYS ALA VAL ASN ASP ILE SEQRES 8 A 309 ARG ASP ARG LEU GLU ARG GLU CYS ARG GLY ALA VAL VAL SEQRES 9 A 309 SER CYS SER ASP ILE LEU ALA LEU ALA ALA ARG ASP SER SEQRES 10 A 309 VAL VAL VAL SER GLY GLY PRO ASP TYR ARG VAL PRO LEU SEQRES 11 A 309 GLY ARG ARG ASP SER ARG SER PHE ALA SER THR GLN ASP SEQRES 12 A 309 VAL LEU SER ASP LEU PRO GLY PRO SER SER ASN VAL GLN SEQRES 13 A 309 SER LEU LEU ALA LEU LEU GLY ARG LEU GLY LEU ASP ALA SEQRES 14 A 309 THR ASP LEU VAL THR ILE SER GLY GLY HIS THR ILE GLY SEQRES 15 A 309 LEU ALA HIS CYS SER SER PHE GLU ASP ARG LEU PHE PRO SEQRES 16 A 309 ARG PRO ASP PRO THR ILE SER PRO THR PHE LEU SER ARG SEQRES 17 A 309 LEU LYS ARG THR CYS PRO ALA LYS GLY THR ASP ARG ARG SEQRES 18 A 309 THR VAL LEU ASP VAL ARG THR PRO ASN VAL PHE ASP ASN SEQRES 19 A 309 LYS TYR TYR ILE ASP LEU VAL ASN ARG GLU GLY LEU PHE SEQRES 20 A 309 VAL SER ASP GLN ASP LEU PHE THR ASN ALA ILE THR ARG SEQRES 21 A 309 PRO ILE VAL GLU ARG PHE ALA GLN SER GLN GLN ASP PHE SEQRES 22 A 309 PHE GLU GLN PHE GLY VAL SER ILE GLY LYS MET GLY GLN SEQRES 23 A 309 MET ARG VAL ARG THR SER ASP GLN GLY GLU VAL ARG ARG SEQRES 24 A 309 ASN CYS SER VAL ARG ASN PRO GLY PRO GLY HET CA A 501 1 HET NA A 502 1 HET HEM A 400 43 HETNAM CA CALCIUM ION HETNAM NA SODIUM ION HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETSYN HEM HEME FORMUL 2 CA CA 2+ FORMUL 3 NA NA 1+ FORMUL 4 HEM C34 H32 FE N4 O4 FORMUL 5 HOH *146(H2 O) HELIX 1 1 ALA A 21 LYS A 35 1 15 HELIX 2 2 ILE A 37 PHE A 52 5 16 HELIX 3 3 SER A 59 LEU A 61 5 3 HELIX 4 4 PRO A 76 LEU A 78 5 3 HELIX 5 5 PRO A 82 GLU A 98 1 17 HELIX 6 6 CYS A 106 VAL A 120 1 15 HELIX 7 7 THR A 141 ASP A 147 1 7 HELIX 8 8 VAL A 155 ARG A 164 1 10 HELIX 9 9 ALA A 169 THR A 180 1 12 HELIX 10 10 CYS A 186 SER A 188 5 3 HELIX 11 11 GLU A 190 ARG A 192 5 3 HELIX 12 12 PRO A 203 THR A 212 1 10 HELIX 13 13 ASN A 234 VAL A 241 5 8 HELIX 14 14 VAL A 248 THR A 255 1 8 HELIX 15 15 ALA A 257 GLN A 268 1 12 HELIX 16 16 GLN A 270 GLN A 286 1 17 HELIX 17 17 SER A 292 GLN A 294 5 3 SHEET 1 A 2 LEU A 183 HIS A 185 0 SHEET 2 A 2 ARG A 221 VAL A 223 -1 N THR A 222 O ALA A 184 SSBOND 1 CYS A 18 CYS A 99 1555 1555 2.03 SSBOND 2 CYS A 51 CYS A 56 1555 1555 2.03 SSBOND 3 CYS A 106 CYS A 301 1555 1555 2.03 SSBOND 4 CYS A 186 CYS A 213 1555 1555 2.03 LINK O ASP A 50 NA NA A 502 1555 1555 2.46 LINK OD1 ASP A 50 NA NA A 502 1555 1555 2.59 LINK O VAL A 53 NA NA A 502 1555 1555 2.30 LINK O GLY A 55 NA NA A 502 1555 1555 2.40 LINK OD1 ASP A 57 NA NA A 502 1555 1555 2.64 LINK OG SER A 59 NA NA A 502 1555 1555 2.54 LINK NE2 HIS A 179 FE HEM A 400 1555 1555 2.15 LINK O THR A 180 CA CA A 501 1555 1555 2.31 LINK OG1 THR A 180 CA CA A 501 1555 1555 2.48 LINK OD2 ASP A 225 CA CA A 501 1555 1555 2.42 LINK O THR A 228 CA CA A 501 1555 1555 2.33 LINK OG1 THR A 228 CA CA A 501 1555 1555 2.43 LINK O VAL A 231 CA CA A 501 1555 1555 2.31 LINK OD1 ASP A 233 CA CA A 501 1555 1555 2.66 CISPEP 1 PHE A 194 PRO A 195 0 -0.07 SITE 1 AC1 5 THR A 180 ASP A 225 THR A 228 VAL A 231 SITE 2 AC1 5 ASP A 233 SITE 1 AC2 5 ASP A 50 VAL A 53 GLY A 55 ASP A 57 SITE 2 AC2 5 SER A 59 SITE 1 AC3 23 ALA A 41 ARG A 45 PHE A 48 ARG A 81 SITE 2 AC3 23 PRO A 149 GLY A 150 PRO A 151 ILE A 175 SITE 3 AC3 23 GLY A 178 HIS A 179 GLY A 182 LEU A 183 SITE 4 AC3 23 ALA A 184 HIS A 185 SER A 188 ARG A 221 SITE 5 AC3 23 LEU A 224 PHE A 247 SER A 249 HOH A 620 SITE 6 AC3 23 HOH A 706 HOH A 707 HOH A 757 CRYST1 71.920 105.060 40.950 90.00 90.00 90.00 P 21 21 2 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 0.013904 0.000000 0.000000 0.00000 SCALE2 0.000000 0.009518 0.000000 0.00000 SCALE3 0.000000 0.000000 0.024420 0.00000