HEADER OXIDOREDUCTASE 14-APR-17 5VIA TITLE CRYSTAL STRUCTURAL OF LEISHMANIA MAJOR PSEUDOPEROXIDASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: PSEUDOPEROXIDASE; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: UNP RESIDUES 49-341; COMPND 5 SYNONYM: UNCHARACTERIZED PROTEIN; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: LEISHMANIA MAJOR; SOURCE 3 ORGANISM_TAXID: 5664; SOURCE 4 GENE: LMJF_21_1567; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008 KEYWDS HEME PROTEIN, PEROXIDASE, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR G.CHREIFI,D.DEJAM,T.L.POULOS REVDAT 4 13-MAR-24 5VIA 1 REMARK REVDAT 3 01-JAN-20 5VIA 1 REMARK REVDAT 2 02-AUG-17 5VIA 1 JRNL REVDAT 1 21-JUN-17 5VIA 0 JRNL AUTH G.CHREIFI,D.DEJAM,T.L.POULOS JRNL TITL CRYSTAL STRUCTURE AND FUNCTIONAL ANALYSIS OF LEISHMANIA JRNL TITL 2 MAJOR PSEUDOPEROXIDASE. JRNL REF J. BIOL. INORG. CHEM. V. 22 919 2017 JRNL REFN ESSN 1432-1327 JRNL PMID 28584975 JRNL DOI 10.1007/S00775-017-1469-9 REMARK 2 REMARK 2 RESOLUTION. 1.76 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.8.2_1309 REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.76 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 48.88 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.3 REMARK 3 NUMBER OF REFLECTIONS : 31200 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.197 REMARK 3 R VALUE (WORKING SET) : 0.196 REMARK 3 FREE R VALUE : 0.218 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.860 REMARK 3 FREE R VALUE TEST SET COUNT : 1522 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 48.8941 - 4.7869 1.00 2798 147 0.1874 0.2097 REMARK 3 2 4.7869 - 3.8000 1.00 2787 165 0.1511 0.1738 REMARK 3 3 3.8000 - 3.3198 1.00 2799 144 0.1566 0.1607 REMARK 3 4 3.3198 - 3.0163 1.00 2808 136 0.1706 0.2327 REMARK 3 5 3.0163 - 2.8001 1.00 2812 144 0.1778 0.1986 REMARK 3 6 2.8001 - 2.6350 1.00 2825 130 0.1801 0.2308 REMARK 3 7 2.6350 - 2.5031 1.00 2800 145 0.1798 0.1704 REMARK 3 8 2.5031 - 2.3941 1.00 2816 131 0.2001 0.2655 REMARK 3 9 2.3941 - 2.3020 1.00 2805 138 0.2173 0.2023 REMARK 3 10 2.3020 - 2.2225 1.00 2788 146 0.2291 0.2991 REMARK 3 11 2.2225 - 2.1530 0.99 2756 161 0.2353 0.2658 REMARK 3 12 2.1530 - 2.0915 0.99 2728 173 0.2428 0.2884 REMARK 3 13 2.0915 - 2.0364 0.98 2774 128 0.2643 0.2997 REMARK 3 14 2.0364 - 1.9867 0.97 2735 121 0.2817 0.2862 REMARK 3 15 1.9867 - 1.9416 0.97 2764 137 0.3108 0.2936 REMARK 3 16 1.9416 - 1.9003 0.97 2763 86 0.3310 0.3820 REMARK 3 17 1.9003 - 1.8622 0.95 2658 157 0.3417 0.3375 REMARK 3 18 1.8622 - 1.8271 0.95 2672 127 0.3710 0.3445 REMARK 3 19 1.8271 - 1.7945 0.94 2635 168 0.3753 0.3719 REMARK 3 20 1.7945 - 1.7640 0.95 2632 134 0.4008 0.4222 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.260 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 27.280 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 34.91 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.007 2309 REMARK 3 ANGLE : 1.048 3149 REMARK 3 CHIRALITY : 0.065 341 REMARK 3 PLANARITY : 0.005 405 REMARK 3 DIHEDRAL : 14.239 844 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: (CHAIN A AND RESID 56:333) REMARK 3 ORIGIN FOR THE GROUP (A): 32.8372 41.2282 60.1489 REMARK 3 T TENSOR REMARK 3 T11: 0.1681 T22: 0.2404 REMARK 3 T33: 0.1655 T12: 0.0055 REMARK 3 T13: -0.0109 T23: 0.0527 REMARK 3 L TENSOR REMARK 3 L11: 2.6912 L22: 1.7126 REMARK 3 L33: 2.4513 L12: 0.1807 REMARK 3 L13: 0.6496 L23: 0.3026 REMARK 3 S TENSOR REMARK 3 S11: -0.0276 S12: 0.3110 S13: 0.1501 REMARK 3 S21: -0.1645 S22: 0.0506 S23: 0.0278 REMARK 3 S31: 0.1125 S32: 0.0848 S33: -0.0224 REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 5VIA COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 21-APR-17. REMARK 100 THE DEPOSITION ID IS D_1000227455. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 16-DEC-15 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL14-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.18076 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : RAYONIX MX325HE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : IMOSFLM REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 31236 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.760 REMARK 200 RESOLUTION RANGE LOW (A) : 48.880 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.2 REMARK 200 DATA REDUNDANCY : 18.00 REMARK 200 R MERGE (I) : 0.08600 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 73.1100 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.76 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.83 REMARK 200 COMPLETENESS FOR SHELL (%) : 94.0 REMARK 200 DATA REDUNDANCY IN SHELL : 16.50 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: MAD REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD REMARK 200 SOFTWARE USED: AUTOSOL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 47.38 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.34 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 14 MG/ML PROTEIN, 5% 2-METHYL-2,4 REMARK 280 -PENTANEDIOL, 10% POLYETHYLENE GLYCOL 6000, AND 0.1 M HEPES PH REMARK 280 7.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 296K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y+1/2,X+1/2,Z+1/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+3/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+1/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+3/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z+1/2 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 76.24500 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 31.84000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 31.84000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 38.12250 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 31.84000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 31.84000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 114.36750 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 31.84000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 31.84000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 38.12250 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 31.84000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 31.84000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 114.36750 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 76.24500 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 757 LIES ON A SPECIAL POSITION. 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 48 REMARK 465 PHE A 49 REMARK 465 VAL A 50 REMARK 465 GLU A 51 REMARK 465 VAL A 52 REMARK 465 ASP A 53 REMARK 465 GLU A 54 REMARK 465 SER A 55 REMARK 465 GLU A 273 REMARK 465 ASN A 274 REMARK 465 THR A 275 REMARK 465 ASN A 276 REMARK 465 GLY A 277 REMARK 465 LYS A 278 REMARK 465 SER A 340 REMARK 465 ALA A 341 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 OE2 GLU A 64 O HOH A 601 2.17 REMARK 500 OE1 GLU A 242 O HOH A 602 2.19 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 ILE A 57 60.00 -63.99 REMARK 500 GLU A 105 -60.35 -92.91 REMARK 500 ALA A 108 38.60 -74.90 REMARK 500 TYR A 127 69.86 -117.09 REMARK 500 ALA A 129 -13.07 70.17 REMARK 500 ASP A 166 71.57 -113.36 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 500 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 107 SG REMARK 620 2 HEM A 500 NA 97.0 REMARK 620 3 HEM A 500 NB 94.2 88.6 REMARK 620 4 HEM A 500 NC 87.4 175.5 91.9 REMARK 620 5 HEM A 500 ND 87.4 92.7 177.8 86.7 REMARK 620 6 HIS A 206 NE2 171.8 84.5 77.8 91.3 100.5 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 500 DBREF 5VIA A 49 341 UNP Q4QC30 Q4QC30_LEIMA 49 341 SEQADV 5VIA MET A 48 UNP Q4QC30 EXPRESSION TAG SEQRES 1 A 294 MET PHE VAL GLU VAL ASP GLU SER LYS ILE LYS PRO LYS SEQRES 2 A 294 TYR ALA ARG GLU ASP VAL VAL ALA SER ALA CYS LYS GLN SEQRES 3 A 294 PHE GLU PHE ARG PRO ASP LEU ALA ALA THR SER ILE ARG SEQRES 4 A 294 THR ALA PHE VAL LEU ALA ALA ARG ARG ALA GLY PHE PRO SEQRES 5 A 294 ALA GLU THR VAL ASP GLU SER CYS ALA VAL VAL ARG GLY SEQRES 6 A 294 LEU ASP ASP VAL ALA GLY ILE MET ASN TYR LEU SER SER SEQRES 7 A 294 THR TYR PRO ALA SER SER THR GLU ASP VAL ALA SER LEU SEQRES 8 A 294 ALA ALA ILE ALA GLY ILE LYS TYR LEU ASN GLY PRO TYR SEQRES 9 A 294 GLU ALA ILE LEU ASP GLN TRP ARG TRP GLY ARG ASN ASP SEQRES 10 A 294 SER ASP THR ALA PRO THR ARG ASN ILE PRO LYS ASN PRO SEQRES 11 A 294 ASN GLN ASN VAL PHE SER ILE PRO THR ILE LEU HIS ALA SEQRES 12 A 294 LEU GLY GLY LEU THR GLU ALA GLU CYS VAL ALA LEU LEU SEQRES 13 A 294 ALA CYS HIS SER VAL GLY GLU PHE HIS GLU ASN VAL SER SEQRES 14 A 294 GLY LEU GLU SER ALA THR HIS THR GLY ARG ARG TYR THR SEQRES 15 A 294 LEU ASN ASN ARG TYR TYR GLN PHE LEU LEU GLU HIS GLU SEQRES 16 A 294 ARG ALA PHE ALA PRO LEU THR VAL ALA ARG THR GLN TYR SEQRES 17 A 294 ASN LYS GLU VAL ALA THR LEU PRO GLN THR LEU ARG CYS SEQRES 18 A 294 VAL TYR VAL LYS GLU ASN THR ASN GLY LYS ALA LYS LYS SEQRES 19 A 294 ARG GLN CYS VAL VAL ASN ALA ALA GLU LEU GLU LEU LEU SEQRES 20 A 294 LYS ASN LYS THR TRP ARG GLU LEU VAL VAL ARG TYR ALA SEQRES 21 A 294 ALA ASP GLU GLU LEU TRP ARG GLU GLN PHE GLN SER ALA SEQRES 22 A 294 PHE THR LYS MET ILE GLU SER ASN PHE LYS ARG LEU ARG SEQRES 23 A 294 PRO TYR SER ASP PRO ASN SER ALA HET HEM A 500 43 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETSYN HEM HEME FORMUL 2 HEM C34 H32 FE N4 O4 FORMUL 3 HOH *181(H2 O) HELIX 1 AA1 ALA A 62 ARG A 77 1 16 HELIX 2 AA2 ASP A 79 GLY A 97 1 19 HELIX 3 AA3 LEU A 113 TYR A 127 1 15 HELIX 4 AA4 SER A 131 LEU A 147 1 17 HELIX 5 AA5 TYR A 151 GLN A 157 1 7 HELIX 6 AA6 SER A 183 ALA A 190 1 8 HELIX 7 AA7 THR A 195 LEU A 203 1 9 HELIX 8 AA8 ALA A 204 VAL A 208 5 5 HELIX 9 AA9 ASN A 232 GLU A 242 1 11 HELIX 10 AB1 ARG A 243 PHE A 245 5 3 HELIX 11 AB2 ALA A 288 LEU A 293 1 6 HELIX 12 AB3 ASN A 296 ASP A 309 1 14 HELIX 13 AB4 ASP A 309 SER A 327 1 19 SHEET 1 AA1 2 ARG A 159 TRP A 160 0 SHEET 2 AA1 2 ARG A 333 PRO A 334 -1 O ARG A 333 N TRP A 160 SHEET 1 AA2 3 ALA A 246 PRO A 247 0 SHEET 2 AA2 3 LEU A 266 VAL A 271 -1 O CYS A 268 N ALA A 246 SHEET 3 AA2 3 ARG A 282 ASN A 287 -1 O ARG A 282 N VAL A 271 LINK SG CYS A 107 FE HEM A 500 1555 1555 2.48 LINK NE2 HIS A 206 FE HEM A 500 1555 1555 2.34 SITE 1 AC1 24 ALA A 82 THR A 83 ARG A 86 PHE A 89 SITE 2 AC1 24 VAL A 103 GLU A 105 SER A 106 CYS A 107 SITE 3 AC1 24 ILE A 184 LEU A 188 LEU A 202 CYS A 205 SITE 4 AC1 24 HIS A 206 GLY A 209 GLU A 210 PHE A 211 SITE 5 AC1 24 HIS A 212 VAL A 215 SER A 216 HIS A 223 SITE 6 AC1 24 ASN A 287 MET A 324 HOH A 620 HOH A 631 CRYST1 63.680 63.680 152.490 90.00 90.00 90.00 P 41 21 2 8 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 0.015704 0.000000 0.000000 0.00000 SCALE2 0.000000 0.015704 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006558 0.00000