HEADER OXIDOREDUCTASE 02-JUN-06 2H7R TITLE L244A MUTANT OF CYTOCHROME P450CAM COMPLEXED WITH IMIDAZOLE COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYTOCHROME P450-CAM; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CAMPHOR 5-MONOOXYGENASE, P450CAM; COMPND 5 EC: 1.14.15.1; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PSEUDOMONAS PUTIDA; SOURCE 3 ORGANISM_TAXID: 303; SOURCE 4 GENE: CAMC, CYP101; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS AZOLE DRUGS, IMIDAZOLE BINDING, CYTOCHROME P450 INHIBITION, PROTEIN KEYWDS 2 MALEABILITY, ACTIVE SITE CONFORMATION, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR A.VERRAS,A.ALIAN,P.R.MONTELLANO REVDAT 4 30-AUG-23 2H7R 1 REMARK REVDAT 3 20-OCT-21 2H7R 1 REMARK SEQADV REVDAT 2 24-FEB-09 2H7R 1 VERSN REVDAT 1 31-OCT-06 2H7R 0 JRNL AUTH A.VERRAS,A.ALIAN,P.R.MONTELLANO JRNL TITL CYTOCHROME P450 ACTIVE SITE PLASTICITY: ATTENUATION OF JRNL TITL 2 IMIDAZOLE BINDING IN CYTOCHROME P450CAM BY AN L244A JRNL TITL 3 MUTATION. JRNL REF PROTEIN ENG.DES.SEL. V. 19 491 2006 JRNL REFN ISSN 1741-0126 JRNL PMID 16943206 JRNL DOI 10.1093/PROTEIN/GZL035 REMARK 2 REMARK 2 RESOLUTION. 2.10 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) : 2.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 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) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 16106 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RAMDOM REMARK 3 R VALUE (WORKING SET) : 0.210 REMARK 3 FREE R VALUE : 0.284 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 1603 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) : 2.10 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.18 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.2835 REMARK 3 BIN FREE R VALUE : 0.2100 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 1603 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 : 3196 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 49 REMARK 3 SOLVENT ATOMS : 114 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) : NULL REMARK 3 BOND ANGLES (DEGREES) : 1.300 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 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 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 2H7R COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 13-JUN-06. REMARK 100 THE DEPOSITION ID IS D_1000038035. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 24-FEB-05 REMARK 200 TEMPERATURE (KELVIN) : 77 REMARK 200 PH : 7.4 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 8.3.1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.00 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 210 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 16106 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.100 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 86.4 REMARK 200 DATA REDUNDANCY : 3.900 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.07200 REMARK 200 FOR THE DATA SET : 12.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.10 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.18 REMARK 200 COMPLETENESS FOR SHELL (%) : 94.3 REMARK 200 DATA REDUNDANCY IN SHELL : 3.00 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.36000 REMARK 200 FOR SHELL : 2.200 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: PDB CODE 1PHC REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 37.89 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.98 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 50MM POTASSIUM PHOSPHATE, PH 7.4, REMARK 280 250MM KCL, 50 MM DITHIOTHREITOL, 36-52% AMMONIUM SULFATE, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 295K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 29.39200 REMARK 290 SMTRY3 2 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 THR A 1 REMARK 465 THR A 2 REMARK 465 GLU A 3 REMARK 465 THR A 4 REMARK 465 ILE A 5 REMARK 465 GLN A 6 REMARK 465 SER A 7 REMARK 465 ASN A 8 REMARK 465 ALA A 9 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 GLU A 133 CG CD OE1 OE2 REMARK 470 ASP A 236 CG OD1 OD2 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 O ASN A 229 O HOH A 477 1.84 REMARK 500 CA GLY A 230 O HOH A 477 1.96 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 PRO A 16 -37.43 -39.25 REMARK 500 PRO A 19 151.45 -46.28 REMARK 500 ASP A 25 70.46 -64.50 REMARK 500 ASN A 30 73.72 -161.19 REMARK 500 ASP A 97 23.01 -143.20 REMARK 500 ARG A 109 -61.59 -27.15 REMARK 500 ARG A 143 -57.56 -23.83 REMARK 500 TYR A 154 -54.74 -148.30 REMARK 500 GLN A 213 -90.63 -57.55 REMARK 500 PRO A 215 -136.92 -55.54 REMARK 500 ASN A 229 87.22 -4.48 REMARK 500 ARG A 231 159.44 -24.80 REMARK 500 THR A 252 -58.36 -178.85 REMARK 500 GLU A 279 -18.74 -48.42 REMARK 500 ASP A 297 -166.95 -125.11 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 415 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 357 SG REMARK 620 2 HEM A 415 NA 98.8 REMARK 620 3 HEM A 415 NB 87.2 88.2 REMARK 620 4 HEM A 415 NC 80.8 178.0 89.8 REMARK 620 5 HEM A 415 ND 92.1 89.6 177.6 92.4 REMARK 620 6 1MZ A 416 N3 157.9 101.0 103.1 79.7 78.4 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 HEM A 415 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 1MZ A 416 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1PHC RELATED DB: PDB REMARK 900 SAME PROTEIN REMARK 900 RELATED ID: 2CPP RELATED DB: PDB REMARK 900 SAME PROTEIN BOUND TO CAMPHOR REMARK 900 RELATED ID: 2H7Q RELATED DB: PDB REMARK 900 RELATED ID: 2H7S RELATED DB: PDB DBREF 2H7R A 1 414 UNP P00183 CPXA_PSEPU 1 414 SEQADV 2H7R ALA A 244 UNP P00183 LEU 244 ENGINEERED MUTATION SEQADV 2H7R ALA A 334 UNP P00183 CYS 334 ENGINEERED MUTATION SEQRES 1 A 414 THR THR GLU THR ILE GLN SER ASN ALA ASN LEU ALA PRO SEQRES 2 A 414 LEU PRO PRO HIS VAL PRO GLU HIS LEU VAL PHE ASP PHE SEQRES 3 A 414 ASP MET TYR ASN PRO SER ASN LEU SER ALA GLY VAL GLN SEQRES 4 A 414 GLU ALA TRP ALA VAL LEU GLN GLU SER ASN VAL PRO ASP SEQRES 5 A 414 LEU VAL TRP THR ARG CYS ASN GLY GLY HIS TRP ILE ALA SEQRES 6 A 414 THR ARG GLY GLN LEU ILE ARG GLU ALA TYR GLU ASP TYR SEQRES 7 A 414 ARG HIS PHE SER SER GLU CYS PRO PHE ILE PRO ARG GLU SEQRES 8 A 414 ALA GLY GLU ALA TYR ASP PHE ILE PRO THR SER MET ASP SEQRES 9 A 414 PRO PRO GLU GLN ARG GLN PHE ARG ALA LEU ALA ASN GLN SEQRES 10 A 414 VAL VAL GLY MET PRO VAL VAL ASP LYS LEU GLU ASN ARG SEQRES 11 A 414 ILE GLN GLU LEU ALA CYS SER LEU ILE GLU SER LEU ARG SEQRES 12 A 414 PRO GLN GLY GLN CYS ASN PHE THR GLU ASP TYR ALA GLU SEQRES 13 A 414 PRO PHE PRO ILE ARG ILE PHE MET LEU LEU ALA GLY LEU SEQRES 14 A 414 PRO GLU GLU ASP ILE PRO HIS LEU LYS TYR LEU THR ASP SEQRES 15 A 414 GLN MET THR ARG PRO ASP GLY SER MET THR PHE ALA GLU SEQRES 16 A 414 ALA LYS GLU ALA LEU TYR ASP TYR LEU ILE PRO ILE ILE SEQRES 17 A 414 GLU GLN ARG ARG GLN LYS PRO GLY THR ASP ALA ILE SER SEQRES 18 A 414 ILE VAL ALA ASN GLY GLN VAL ASN GLY ARG PRO ILE THR SEQRES 19 A 414 SER ASP GLU ALA LYS ARG MET CYS GLY ALA LEU LEU VAL SEQRES 20 A 414 GLY GLY LEU ASP THR VAL VAL ASN PHE LEU SER PHE SER SEQRES 21 A 414 MET GLU PHE LEU ALA LYS SER PRO GLU HIS ARG GLN GLU SEQRES 22 A 414 LEU ILE GLU ARG PRO GLU ARG ILE PRO ALA ALA CYS GLU SEQRES 23 A 414 GLU LEU LEU ARG ARG PHE SER LEU VAL ALA ASP GLY ARG SEQRES 24 A 414 ILE LEU THR SER ASP TYR GLU PHE HIS GLY VAL GLN LEU SEQRES 25 A 414 LYS LYS GLY ASP GLN ILE LEU LEU PRO GLN MET LEU SER SEQRES 26 A 414 GLY LEU ASP GLU ARG GLU ASN ALA ALA PRO MET HIS VAL SEQRES 27 A 414 ASP PHE SER ARG GLN LYS VAL SER HIS THR THR PHE GLY SEQRES 28 A 414 HIS GLY SER HIS LEU CYS LEU GLY GLN HIS LEU ALA ARG SEQRES 29 A 414 ARG GLU ILE ILE VAL THR LEU LYS GLU TRP LEU THR ARG SEQRES 30 A 414 ILE PRO ASP PHE SER ILE ALA PRO GLY ALA GLN ILE GLN SEQRES 31 A 414 HIS LYS SER GLY ILE VAL SER GLY VAL GLN ALA LEU PRO SEQRES 32 A 414 LEU VAL TRP ASP PRO ALA THR THR LYS ALA VAL HET HEM A 415 43 HET 1MZ A 416 6 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM 1MZ 1-METHYLIMIDAZOLE HETSYN HEM HEME FORMUL 2 HEM C34 H32 FE N4 O4 FORMUL 3 1MZ C4 H7 N2 1+ FORMUL 4 HOH *114(H2 O) HELIX 1 1 PRO A 31 ALA A 36 5 6 HELIX 2 2 GLY A 37 VAL A 44 1 8 HELIX 3 3 LEU A 45 GLU A 47 5 3 HELIX 4 4 ARG A 67 ASP A 77 1 11 HELIX 5 5 PRO A 89 TYR A 96 1 8 HELIX 6 6 GLN A 108 GLY A 120 1 13 HELIX 7 7 GLY A 120 ARG A 143 1 24 HELIX 8 8 PHE A 150 TYR A 154 1 5 HELIX 9 9 GLU A 156 GLY A 168 1 13 HELIX 10 10 PRO A 170 GLU A 172 5 3 HELIX 11 11 ASP A 173 ARG A 186 1 14 HELIX 12 12 THR A 192 LYS A 214 1 23 HELIX 13 13 ASP A 218 ASN A 225 1 8 HELIX 14 14 THR A 234 ASP A 251 1 18 HELIX 15 15 THR A 252 SER A 267 1 16 HELIX 16 16 SER A 267 GLU A 276 1 10 HELIX 17 17 ARG A 277 GLU A 279 5 3 HELIX 18 18 ARG A 280 PHE A 292 1 13 HELIX 19 19 LEU A 324 ASP A 328 5 5 HELIX 20 20 GLY A 359 ILE A 378 1 20 HELIX 21 21 ASP A 407 THR A 411 5 5 SHEET 1 A 5 LEU A 53 THR A 56 0 SHEET 2 A 5 HIS A 62 ALA A 65 -1 O HIS A 62 N THR A 56 SHEET 3 A 5 GLN A 317 LEU A 320 1 O LEU A 319 N TRP A 63 SHEET 4 A 5 ASP A 297 LEU A 301 -1 N ARG A 299 O ILE A 318 SHEET 5 A 5 PHE A 81 SER A 82 -1 N SER A 82 O ILE A 300 SHEET 1 B 3 GLN A 147 ASN A 149 0 SHEET 2 B 3 PRO A 403 VAL A 405 -1 O LEU A 404 N CYS A 148 SHEET 3 B 3 SER A 382 ILE A 383 -1 N SER A 382 O VAL A 405 SHEET 1 C 2 TYR A 305 PHE A 307 0 SHEET 2 C 2 VAL A 310 LEU A 312 -1 O LEU A 312 N TYR A 305 SHEET 1 D 2 HIS A 391 LYS A 392 0 SHEET 2 D 2 GLY A 398 VAL A 399 -1 O GLY A 398 N LYS A 392 LINK SG CYS A 357 FE HEM A 415 1555 1555 2.45 LINK FE HEM A 415 N3 1MZ A 416 1555 1555 2.79 CISPEP 1 ILE A 88 PRO A 89 0 0.25 CISPEP 2 ILE A 99 PRO A 100 0 0.18 CISPEP 3 PRO A 105 PRO A 106 0 0.15 SITE 1 AC1 23 PRO A 100 THR A 101 GLN A 108 ARG A 112 SITE 2 AC1 23 ALA A 244 LEU A 245 GLY A 248 GLY A 249 SITE 3 AC1 23 THR A 252 VAL A 253 LEU A 294 ASP A 297 SITE 4 AC1 23 ARG A 299 GLN A 322 THR A 349 PHE A 350 SITE 5 AC1 23 GLY A 351 HIS A 355 CYS A 357 GLY A 359 SITE 6 AC1 23 1MZ A 416 HOH A 436 HOH A 444 SITE 1 AC2 3 GLY A 248 THR A 252 HEM A 415 CRYST1 56.599 58.784 57.441 90.00 105.29 90.00 P 1 21 1 2 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 0.017668 0.000000 0.004830 0.00000 SCALE2 0.000000 0.017011 0.000000 0.00000 SCALE3 0.000000 0.000000 0.018048 0.00000