HEADER OXIDOREDUCTASE 05-DEC-13 4NVE TITLE PREDICTING PROTEIN CONFORMATIONAL RESPONSE IN PROSPECTIVE LIGAND TITLE 2 DISCOVERY COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYTOCHROME C PEROXIDASE; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: UNP RESIDUES 72-362; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SACCHAROMYCES CEREVISIAE; SOURCE 3 ORGANISM_COMMON: BAKER'S YEAST; SOURCE 4 ORGANISM_TAXID: 285006; SOURCE 5 STRAIN: RM11-1A; SOURCE 6 GENE: CCP1 CCP CPO YKR066C, SCRG_04081; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 9 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 10 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID KEYWDS MODEL SYSTEM, FLEXIBILITY, DYNAMIC, LOOP, SIDE-CHAINS, ENERGY KEYWDS 2 PENALTY, OCCUPANCY, BOLTZMANN WEIGHTS, FLEXIBLE DOCKING, LIGAND KEYWDS 3 BINDING, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR M.FISCHER,J.S.FRASER REVDAT 3 28-FEB-24 4NVE 1 REMARK SEQADV LINK REVDAT 2 24-JUN-15 4NVE 1 JRNL REVDAT 1 18-DEC-13 4NVE 0 JRNL AUTH M.FISCHER,R.G.COLEMAN,J.S.FRASER,B.K.SHOICHET JRNL TITL INCORPORATION OF PROTEIN FLEXIBILITY AND CONFORMATIONAL JRNL TITL 2 ENERGY PENALTIES IN DOCKING SCREENS TO IMPROVE LIGAND JRNL TITL 3 DISCOVERY. JRNL REF NAT CHEM V. 6 575 2014 JRNL REFN ISSN 1755-4330 JRNL PMID 24950326 JRNL DOI 10.1038/NCHEM.1954 REMARK 2 REMARK 2 RESOLUTION. 1.54 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 : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.54 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 38.83 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.350 REMARK 3 COMPLETENESS FOR RANGE (%) : 93.4 REMARK 3 NUMBER OF REFLECTIONS : 54804 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.147 REMARK 3 R VALUE (WORKING SET) : 0.145 REMARK 3 FREE R VALUE : 0.180 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.050 REMARK 3 FREE R VALUE TEST SET COUNT : 2765 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 38.8300 - 4.1786 0.99 2967 151 0.1720 0.1951 REMARK 3 2 4.1786 - 3.3172 0.99 2844 150 0.1460 0.1573 REMARK 3 3 3.3172 - 2.8981 1.00 2821 156 0.1460 0.1903 REMARK 3 4 2.8981 - 2.6331 1.00 2800 147 0.1472 0.1756 REMARK 3 5 2.6331 - 2.4445 1.00 2788 160 0.1433 0.1647 REMARK 3 6 2.4445 - 2.3003 1.00 2777 150 0.1378 0.1829 REMARK 3 7 2.3003 - 2.1852 1.00 2799 129 0.1297 0.1602 REMARK 3 8 2.1852 - 2.0900 1.00 2776 148 0.1266 0.1848 REMARK 3 9 2.0900 - 2.0096 1.00 2767 160 0.1274 0.1711 REMARK 3 10 2.0096 - 1.9402 1.00 2742 145 0.1226 0.1534 REMARK 3 11 1.9402 - 1.8796 1.00 2737 172 0.1256 0.1932 REMARK 3 12 1.8796 - 1.8259 1.00 2777 141 0.1325 0.1730 REMARK 3 13 1.8259 - 1.7778 1.00 2776 141 0.1393 0.1868 REMARK 3 14 1.7778 - 1.7344 1.00 2755 131 0.1425 0.2085 REMARK 3 15 1.7344 - 1.6950 0.97 2662 130 0.1411 0.1902 REMARK 3 16 1.6950 - 1.6589 0.90 2479 129 0.1457 0.1948 REMARK 3 17 1.6589 - 1.6257 0.83 2266 136 0.1494 0.1899 REMARK 3 18 1.6257 - 1.5950 0.74 2023 112 0.1586 0.1950 REMARK 3 19 1.5950 - 1.5666 0.68 1858 94 0.1736 0.2078 REMARK 3 20 1.5666 - 1.5400 0.59 1625 83 0.2025 0.2701 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL 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) : 0.140 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 17.060 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 19.42 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 : 0.016 2556 REMARK 3 ANGLE : 1.459 3486 REMARK 3 CHIRALITY : 0.098 336 REMARK 3 PLANARITY : 0.009 464 REMARK 3 DIHEDRAL : 14.571 936 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL 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 4NVE COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 10-DEC-13. REMARK 100 THE DEPOSITION ID IS D_1000083703. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 20-NOV-11 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6 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) : 1.11587 REMARK 200 MONOCHROMATOR : KOHZU DUAL DOUBLE CRYSTAL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XSCALE REMARK 200 DATA SCALING SOFTWARE : XSCALE REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 54804 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.540 REMARK 200 RESOLUTION RANGE LOW (A) : 38.830 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.200 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 93.5 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.54 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.58 REMARK 200 COMPLETENESS FOR SHELL (%) : 62.0 REMARK 200 DATA REDUNDANCY IN SHELL : 2.40 REMARK 200 R MERGE FOR SHELL (I) : 0.38600 REMARK 200 R SYM FOR SHELL (I) : NULL 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: PHASER REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 58.49 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.96 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: COMPOUND SOAKED INTO CRYSTAL GROWN IN REMARK 280 EQUAL VOLUME OF 500MM MES BUFFER (PH 6.0) AND 25% MPD, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 283K 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 25.44000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 52.16000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 36.76500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 52.16000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 25.44000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 36.76500 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 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 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 ASP A 148 37.31 -94.77 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 301 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 175 NE2 REMARK 620 2 HEM A 301 NA 95.3 REMARK 620 3 HEM A 301 NB 92.3 88.3 REMARK 620 4 HEM A 301 NC 91.8 172.7 92.7 REMARK 620 5 HEM A 301 ND 92.2 87.9 174.4 90.5 REMARK 620 6 HOH A 470 O 178.0 84.8 85.7 88.1 89.8 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 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BZI A 302 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4NVA RELATED DB: PDB REMARK 900 RELATED ID: 4NVB RELATED DB: PDB REMARK 900 RELATED ID: 4NVC RELATED DB: PDB REMARK 900 RELATED ID: 4NVD RELATED DB: PDB REMARK 900 RELATED ID: 4NVF RELATED DB: PDB REMARK 900 RELATED ID: 4NVG RELATED DB: PDB REMARK 900 RELATED ID: 4NVH RELATED DB: PDB REMARK 900 RELATED ID: 4NVI RELATED DB: PDB REMARK 900 RELATED ID: 4NVJ RELATED DB: PDB REMARK 900 RELATED ID: 4NVK RELATED DB: PDB REMARK 900 RELATED ID: 4NVL RELATED DB: PDB REMARK 900 RELATED ID: 4NVM RELATED DB: PDB REMARK 900 RELATED ID: 4NVN RELATED DB: PDB REMARK 900 RELATED ID: 4NVO RELATED DB: PDB DBREF 4NVE A 4 292 UNP B3LRE1 B3LRE1_YEAS1 72 362 SEQADV 4NVE GLY A 190 UNP B3LRE1 PRO 258 ENGINEERED MUTATION SEQADV 4NVE GLY A 191 UNP B3LRE1 TRP 259 ENGINEERED MUTATION SEQADV 4NVE A UNP B3LRE1 GLY 260 DELETION SEQADV 4NVE A UNP B3LRE1 ALA 261 DELETION SEQRES 1 A 289 LEU VAL HIS VAL ALA SER VAL GLU LYS GLY ARG SER TYR SEQRES 2 A 289 GLU ASP PHE GLN LYS VAL TYR ASN ALA ILE ALA LEU LYS SEQRES 3 A 289 LEU ARG GLU ASP ASP GLU TYR ASP ASN TYR ILE GLY TYR SEQRES 4 A 289 GLY PRO VAL LEU VAL ARG LEU ALA TRP HIS ILE SER GLY SEQRES 5 A 289 THR TRP ASP LYS HIS ASP ASN THR GLY GLY SER TYR GLY SEQRES 6 A 289 GLY THR TYR ARG PHE LYS LYS GLU PHE ASN ASP PRO SER SEQRES 7 A 289 ASN ALA GLY LEU GLN ASN GLY PHE LYS PHE LEU GLU PRO SEQRES 8 A 289 ILE HIS LYS GLU PHE PRO TRP ILE SER SER GLY ASP LEU SEQRES 9 A 289 PHE SER LEU GLY GLY VAL THR ALA VAL GLN GLU MET GLN SEQRES 10 A 289 GLY PRO LYS ILE PRO TRP ARG CYS GLY ARG VAL ASP THR SEQRES 11 A 289 PRO GLU ASP THR THR PRO ASP ASN GLY ARG LEU PRO ASP SEQRES 12 A 289 ALA ASP LYS ASP ALA GLY TYR VAL ARG THR PHE PHE GLN SEQRES 13 A 289 ARG LEU ASN MET ASN ASP ARG GLU VAL VAL ALA LEU MET SEQRES 14 A 289 GLY ALA HIS ALA LEU GLY LYS THR HIS LEU LYS ASN SER SEQRES 15 A 289 GLY TYR GLU GLY GLY GLY ALA ASN ASN VAL PHE THR ASN SEQRES 16 A 289 GLU PHE TYR LEU ASN LEU LEU ASN GLU ASP TRP LYS LEU SEQRES 17 A 289 GLU LYS ASN ASP ALA ASN ASN GLU GLN TRP ASP SER LYS SEQRES 18 A 289 SER GLY TYR MET MET LEU PRO THR ASP TYR SER LEU ILE SEQRES 19 A 289 GLN ASP PRO LYS TYR LEU SER ILE VAL LYS GLU TYR ALA SEQRES 20 A 289 ASN ASP GLN ASP LYS PHE PHE LYS ASP PHE SER LYS ALA SEQRES 21 A 289 PHE GLU LYS LEU LEU GLU ASN GLY ILE THR PHE PRO LYS SEQRES 22 A 289 ASP ALA PRO SER PRO PHE ILE PHE LYS THR LEU GLU GLU SEQRES 23 A 289 GLN GLY LEU HET HEM A 301 43 HET BZI A 302 9 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM BZI BENZIMIDAZOLE HETSYN HEM HEME FORMUL 2 HEM C34 H32 FE N4 O4 FORMUL 3 BZI C7 H6 N2 FORMUL 4 HOH *333(H2 O) HELIX 1 1 SER A 15 ASP A 33 1 19 HELIX 2 2 GLU A 35 ILE A 40 1 6 HELIX 3 3 TYR A 42 GLY A 55 1 14 HELIX 4 4 GLY A 69 ARG A 72 5 4 HELIX 5 5 PHE A 73 ASN A 78 1 6 HELIX 6 6 ASP A 79 GLY A 84 5 6 HELIX 7 7 LEU A 85 PHE A 99 1 15 HELIX 8 8 SER A 103 MET A 119 1 17 HELIX 9 9 PRO A 134 THR A 138 5 5 HELIX 10 10 ASP A 150 ARG A 160 1 11 HELIX 11 11 ASN A 164 GLY A 173 1 10 HELIX 12 12 ALA A 174 LEU A 177 5 4 HELIX 13 13 HIS A 181 GLY A 186 1 6 HELIX 14 14 ASN A 198 GLU A 207 1 10 HELIX 15 15 LEU A 230 ASP A 239 1 10 HELIX 16 16 ASP A 239 ASN A 251 1 13 HELIX 17 17 ASP A 252 ASN A 270 1 19 HELIX 18 18 THR A 286 GLY A 291 1 6 SHEET 1 A 2 HIS A 6 VAL A 7 0 SHEET 2 A 2 ILE A 272 THR A 273 1 O THR A 273 N HIS A 6 SHEET 1 B 3 TRP A 209 LYS A 213 0 SHEET 2 B 3 GLU A 219 SER A 223 -1 O GLN A 220 N GLU A 212 SHEET 3 B 3 MET A 228 MET A 229 -1 O MET A 229 N TRP A 221 LINK NE2 HIS A 175 FE HEM A 301 1555 1555 2.12 LINK FE HEM A 301 O HOH A 470 1555 1555 2.03 SITE 1 AC1 25 PRO A 44 ARG A 48 TRP A 51 PRO A 145 SITE 2 AC1 25 ASP A 146 ALA A 147 LEU A 171 MET A 172 SITE 3 AC1 25 ALA A 174 HIS A 175 LEU A 177 GLY A 178 SITE 4 AC1 25 LYS A 179 THR A 180 HIS A 181 ASN A 184 SITE 5 AC1 25 SER A 185 LEU A 230 THR A 232 BZI A 302 SITE 6 AC1 25 HOH A 433 HOH A 470 HOH A 485 HOH A 493 SITE 7 AC1 25 HOH A 497 SITE 1 AC2 6 HIS A 175 THR A 180 MET A 228 ASP A 233 SITE 2 AC2 6 HEM A 301 HOH A 580 CRYST1 50.880 73.530 104.320 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 0.019654 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013600 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009586 0.00000