HEADER OXIDOREDUCTASE 02-NOV-00 1GED TITLE A POSITIVE CHARGE ROUTE FOR THE ACCESS OF NADH TO HEME TITLE 2 FORMED IN THE DISTAL HEME POCKET OF CYTOCHROME P450NOR COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYTOCHROME P450 55A1; COMPND 3 CHAIN: A; COMPND 4 EC: 1.14.-.-; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: FUSARIUM OXYSPORUM; SOURCE 3 ORGANISM_TAXID: 5507; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: JM109; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PRSET-C KEYWDS CYTOCHROME P450NOR, NITRIC OXIDE REDUCTASE, X-RAY KEYWDS 2 CRYSTALLOGRAPHY, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR T.KUDO,N.TAKAYA,S.-Y.PARK,Y.SHIRO,H.SHOUN REVDAT 3 24-FEB-09 1GED 1 VERSN REVDAT 2 11-FEB-03 1GED 1 JRNL REVDAT 1 22-NOV-00 1GED 0 JRNL AUTH T.KUDO,N.TAKAYA,S.-Y.PARK,Y.SHIRO,H.SHOUN JRNL TITL A POSITIVELY CHARGED CLUSTER FORMED IN THE JRNL TITL 2 HEME-DISTAL POCKET OF CYTOCHROME P450NOR IS JRNL TITL 3 ESSENTIAL FOR INTERACTION WITH NADH JRNL REF J.BIOL.CHEM. V. 276 5020 2001 JRNL REFN ISSN 0021-9258 JRNL PMID 11076941 JRNL DOI 10.1074/JBC.M007244200 REMARK 1 REMARK 2 REMARK 2 RESOLUTION. 2.00 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) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 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) (%) : 91.9 REMARK 3 NUMBER OF REFLECTIONS : 23481 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) : 0.214 REMARK 3 FREE R VALUE : 0.279 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 1178 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) : 2.00 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.13 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 81.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.3150 REMARK 3 BIN FREE R VALUE : 0.3460 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 152 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.028 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3099 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 45 REMARK 3 SOLVENT ATOMS : 106 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 19.90 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 35.80 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) : 0.27 REMARK 3 ESD FROM SIGMAA (A) : 0.35 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) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : NULL REMARK 3 BOND ANGLES (DEGREES) : 1.20 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 25.40 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.88 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : OVERALL 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: NULL REMARK 4 REMARK 4 1GED COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 06-NOV-00. REMARK 100 THE RCSB ID CODE IS RCSB005072. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 20-FEB-00 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SPRING-8 REMARK 200 BEAMLINE : BL44B2 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 : SI-111 REMARK 200 OPTICS : MONOCHRO. SI-111 REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MAR CCD 165 MM REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 23487 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 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 (%) : 91.9 REMARK 200 DATA REDUNDANCY : 3.400 REMARK 200 R MERGE (I) : 0.06500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 10.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.09 REMARK 200 COMPLETENESS FOR SHELL (%) : 80.1 REMARK 200 DATA REDUNDANCY IN SHELL : 3.00 REMARK 200 R MERGE FOR SHELL (I) : 0.30500 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: PDB ENTRY 1ROM REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 40.43 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.06 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG4000, PH 6.5, VAPOR DIFFUSION, REMARK 280 SITTING DROP, TEMPERATURE 298K 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 27.16000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 43.30000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 39.02500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 43.30000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 27.16000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 39.02500 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 MET A 1 REMARK 465 ALA A 2 REMARK 465 SER A 3 REMARK 465 GLY A 4 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 PHE A 37 -29.54 -37.14 REMARK 500 PHE A 144 -57.75 -142.90 REMARK 500 LYS A 207 -159.95 -128.03 REMARK 500 ASP A 208 69.80 -100.03 REMARK 500 PRO A 221 1.06 -64.80 REMARK 500 ASN A 268 89.15 -162.51 REMARK 500 SER A 270 4.95 -58.15 REMARK 500 VAL A 324 -53.61 -126.66 REMARK 500 ARG A 335 137.49 -38.87 REMARK 500 CYS A 352 120.61 -36.78 REMARK 500 THR A 368 -24.99 -142.90 REMARK 500 ALA A 379 22.64 -74.48 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BR A 404 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BR A 405 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 501 DBREF 1GED A 1 403 UNP P23295 NOR_FUSOX 1 403 SEQRES 1 A 403 MET ALA SER GLY ALA PRO SER PHE PRO PHE SER ARG ALA SEQRES 2 A 403 SER GLY PRO GLU PRO PRO ALA GLU PHE ALA LYS LEU ARG SEQRES 3 A 403 ALA THR ASN PRO VAL SER GLN VAL LYS LEU PHE ASP GLY SEQRES 4 A 403 SER LEU ALA TRP LEU VAL THR LYS HIS LYS ASP VAL CYS SEQRES 5 A 403 PHE VAL ALA THR SER GLU LYS LEU SER LYS VAL ARG THR SEQRES 6 A 403 ARG GLN GLY PHE PRO GLU LEU SER ALA SER GLY LYS GLN SEQRES 7 A 403 ALA ALA LYS ALA LYS PRO THR PHE VAL ASP MET ASP PRO SEQRES 8 A 403 PRO GLU HIS MET HIS GLN ARG SER MET VAL GLU PRO THR SEQRES 9 A 403 PHE THR PRO GLU ALA VAL LYS ASN LEU GLN PRO TYR ILE SEQRES 10 A 403 GLN ARG THR VAL ASP ASP LEU LEU GLU GLN MET LYS GLN SEQRES 11 A 403 LYS GLY CYS ALA ASN GLY PRO VAL ASP LEU VAL LYS GLU SEQRES 12 A 403 PHE ALA LEU PRO VAL PRO SER TYR ILE ILE TYR THR LEU SEQRES 13 A 403 LEU GLY VAL PRO PHE ASN ASP LEU GLU TYR LEU THR GLN SEQRES 14 A 403 GLN ASN ALA ILE ARG THR ASN GLY SER SER THR ALA ARG SEQRES 15 A 403 GLU ALA SER ALA ALA ASN GLN GLU LEU LEU ASP TYR LEU SEQRES 16 A 403 ALA ILE LEU VAL GLU GLN ARG LEU VAL GLU PRO LYS ASP SEQRES 17 A 403 ASP ILE ILE SER LYS LEU CYS THR GLU GLN VAL LYS PRO SEQRES 18 A 403 GLY ASN ILE ASP LYS SER ASP ALA VAL GLN ILE ALA PHE SEQRES 19 A 403 LEU LEU LEU VAL ALA GLY ASN ALA THR MET VAL ASN MET SEQRES 20 A 403 ILE ALA LEU GLY VAL ALA THR LEU ALA GLN HIS PRO ASP SEQRES 21 A 403 GLN LEU ALA GLN LEU LYS ALA ASN PRO SER LEU ALA PRO SEQRES 22 A 403 GLN PHE VAL GLU GLU LEU CYS ARG TYR HIS THR ALA SER SEQRES 23 A 403 ALA LEU ALA ILE LYS ARG THR ALA LYS GLU ASP VAL MET SEQRES 24 A 403 ILE GLY ASP LYS LEU VAL ARG ALA ASN GLU GLY ILE ILE SEQRES 25 A 403 ALA SER ASN GLN SER ALA ASN ARG ASP GLU GLU VAL PHE SEQRES 26 A 403 GLU ASN PRO ASP GLU PHE ASN MET ASN ARG LYS TRP PRO SEQRES 27 A 403 PRO GLN ASP PRO LEU GLY PHE GLY PHE GLY ASP HIS ARG SEQRES 28 A 403 CYS ILE ALA GLU HIS LEU ALA LYS ALA GLU LEU THR THR SEQRES 29 A 403 VAL PHE SER THR LEU TYR GLN LYS PHE PRO ASP LEU LYS SEQRES 30 A 403 VAL ALA VAL PRO LEU GLY LYS ILE ASN TYR THR PRO LEU SEQRES 31 A 403 ASN ARG ASP VAL GLY ILE VAL ASP LEU PRO VAL ILE PHE HET BR A 404 1 HET BR A 405 1 HET HEM A 501 43 HETNAM BR BROMIDE ION HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETSYN HEM HEME FORMUL 2 BR 2(BR 1-) FORMUL 4 HEM C34 H32 FE N4 O4 FORMUL 5 HOH *106(H2 O) HELIX 1 1 ALA A 20 ASN A 29 1 10 HELIX 2 2 LYS A 47 SER A 57 1 11 HELIX 3 3 SER A 73 ALA A 80 1 8 HELIX 4 4 THR A 85 MET A 89 5 5 HELIX 5 5 PRO A 92 SER A 99 1 8 HELIX 6 6 MET A 100 PHE A 105 5 6 HELIX 7 7 THR A 106 ASN A 112 1 7 HELIX 8 8 LEU A 113 GLN A 130 1 18 HELIX 9 9 LEU A 140 PHE A 144 1 5 HELIX 10 10 LEU A 146 GLY A 158 1 13 HELIX 11 11 PRO A 160 ASN A 162 5 3 HELIX 12 12 ASP A 163 ASN A 176 1 14 HELIX 13 13 THR A 180 GLU A 205 1 26 HELIX 14 14 ASP A 209 GLN A 218 1 10 HELIX 15 15 ASP A 225 ALA A 239 1 15 HELIX 16 16 GLY A 240 ALA A 256 1 17 HELIX 17 17 HIS A 258 ALA A 267 1 10 HELIX 18 18 ASN A 268 SER A 270 5 3 HELIX 19 19 LEU A 271 HIS A 283 1 13 HELIX 20 20 SER A 314 ASN A 319 1 6 HELIX 21 21 ALA A 354 PHE A 366 1 13 SHEET 1 A 6 SER A 7 PHE A 8 0 SHEET 2 A 6 VAL A 31 LEU A 36 1 O LYS A 35 N PHE A 8 SHEET 3 A 6 LEU A 41 VAL A 45 -1 O ALA A 42 N VAL A 34 SHEET 4 A 6 GLY A 310 ALA A 313 1 O GLY A 310 N TRP A 43 SHEET 5 A 6 LYS A 291 ALA A 294 -1 O ARG A 292 N ILE A 311 SHEET 6 A 6 LEU A 60 SER A 61 -1 N SER A 61 O THR A 293 SHEET 1 B 3 VAL A 138 ASP A 139 0 SHEET 2 B 3 PRO A 400 ILE A 402 -1 N VAL A 401 O VAL A 138 SHEET 3 B 3 LYS A 377 VAL A 378 -1 N LYS A 377 O ILE A 402 SHEET 1 C 2 VAL A 298 ILE A 300 0 SHEET 2 C 2 LYS A 303 VAL A 305 -1 N LYS A 303 O ILE A 300 SHEET 1 D 2 ASN A 386 TYR A 387 0 SHEET 2 D 2 ILE A 396 ASP A 398 -1 N VAL A 397 O ASN A 386 LINK FE HEM A 501 SG CYS A 352 1555 1555 2.23 CISPEP 1 PHE A 8 PRO A 9 0 0.35 CISPEP 2 PRO A 91 PRO A 92 0 0.00 SITE 1 AC1 5 LEU A 146 SER A 150 THR A 168 ASN A 171 SITE 2 AC1 5 ASN A 241 SITE 1 AC2 6 SER A 286 ALA A 287 LEU A 288 ALA A 289 SITE 2 AC2 6 ASN A 315 HEM A 501 SITE 1 AC3 26 PHE A 86 VAL A 87 HIS A 94 ARG A 98 SITE 2 AC3 26 PHE A 105 LEU A 236 ALA A 239 GLY A 240 SITE 3 AC3 26 THR A 243 MET A 244 MET A 247 SER A 286 SITE 4 AC3 26 ILE A 290 GLY A 344 PHE A 345 GLY A 346 SITE 5 AC3 26 PHE A 347 HIS A 350 CYS A 352 ILE A 353 SITE 6 AC3 26 ALA A 354 BR A 405 HOH A 502 HOH A 513 SITE 7 AC3 26 HOH A 527 HOH A 535 CRYST1 54.320 78.050 86.600 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 0.018409 0.000000 0.000000 0.00000 SCALE2 0.000000 0.012812 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011547 0.00000