HEADER OXIDOREDUCTASE 17-MAR-05 1Z53 TITLE THE 1.13 ANGSTROM STRUCTURE OF IRON-FREE CYTOCHROME C PEROXIDASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYTOCHROME C PEROXIDASE, MITOCHONDRIAL; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CCP; COMPND 5 EC: 1.11.1.5; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SACCHAROMYCES CEREVISIAE; SOURCE 3 ORGANISM_COMMON: BAKER'S YEAST; SOURCE 4 ORGANISM_TAXID: 4932; SOURCE 5 GENE: CCP1, CCP, CPO; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21 STAR (DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: POULOS VECTOR (MODIFIED PT7) KEYWDS CCP, HEME PEROXIDASE, IRON-FREE PROTOPORPHYRIN IX, TRP CATION KEYWDS 2 RADICAL, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR B.BHASKAR,T.L.POULOS REVDAT 4 03-APR-24 1Z53 1 REMARK REVDAT 3 14-FEB-24 1Z53 1 REMARK REVDAT 2 24-FEB-09 1Z53 1 VERSN REVDAT 1 21-JUN-05 1Z53 0 JRNL AUTH B.BHASKAR,T.L.POULOS JRNL TITL THE 1.13-A STRUCTURE OF IRON-FREE CYTOCHROME C PEROXIDASE. JRNL REF J.BIOL.INORG.CHEM. V. 10 425 2005 JRNL REFN ISSN 0949-8257 JRNL PMID 15900441 JRNL DOI 10.1007/S00775-005-0654-4 REMARK 2 REMARK 2 RESOLUTION. 1.13 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : SHELXL-97 REMARK 3 AUTHORS : G.M.SHELDRICK REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.13 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 95.9 REMARK 3 CROSS-VALIDATION METHOD : FREE R REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.134 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.147 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.177 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 3.500 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 5123 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 153609 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : 0.125 REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : 0.135 REMARK 3 FREE R VALUE (F>4SIG(F)) : 0.167 REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 3.300 REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : 3831 REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 115429 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2367 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 42 REMARK 3 SOLVENT ATOMS : 530 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : 2935.4 REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : 2223.1 REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : 16 REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : 23795 REMARK 3 NUMBER OF RESTRAINTS : 28345 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.015 REMARK 3 ANGLE DISTANCES (A) : 0.030 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.000 REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : 0.028 REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.089 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 0.098 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : 0.069 REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : 0.005 REMARK 3 SIMILAR ADP COMPONENTS (A**2) : 0.051 REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : 0.000 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: NULL REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : ENGH & HUBER REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1Z53 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 28-MAR-05. REMARK 100 THE DEPOSITION ID IS D_1000032308. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 18-FEB-03 REMARK 200 TEMPERATURE (KELVIN) : 116 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL9-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.78 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 189599 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.130 REMARK 200 RESOLUTION RANGE LOW (A) : 100.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.5 REMARK 200 DATA REDUNDANCY : 8.625 REMARK 200 R MERGE (I) : 0.06100 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 27.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.13 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.16 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.9 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.48000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.550 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: AB INITIO PHASING REMARK 200 SOFTWARE USED: SHELX REMARK 200 STARTING MODEL: ATOMIC RESOLUTION STRUCTURE OF WILD TYPE CCP REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 53.90 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.67 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 30% 2-METHYL-2,4-PENTANEDIOL (MPD), 50 REMARK 280 MM TRIS-PHOSPHATE, PH 6.0, VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 277K 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 53.42600 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 25.52050 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 37.86800 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 25.52050 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 53.42600 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 37.86800 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 THR A 1 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 SER A 225 CB SER A 225 OG -0.079 REMARK 500 LEU A 294 C LEU A 294 OXT 0.211 REMARK 500 REMARK 500 REMARK: NULL 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 PRO A 3 O - C - N ANGL. DEV. = -11.3 DEGREES REMARK 500 LEU A 4 C - N - CA ANGL. DEV. = 30.0 DEGREES REMARK 500 PHE A 77 CB - CG - CD2 ANGL. DEV. = 4.6 DEGREES REMARK 500 PHE A 91 CB - CG - CD1 ANGL. DEV. = 4.4 DEGREES REMARK 500 ARG A 127 NE - CZ - NH2 ANGL. DEV. = -3.3 DEGREES REMARK 500 ARG A 143 NE - CZ - NH1 ANGL. DEV. = -5.2 DEGREES REMARK 500 ARG A 143 NE - CZ - NH2 ANGL. DEV. = 3.1 DEGREES REMARK 500 ASP A 152 CB - CG - OD1 ANGL. DEV. = 6.9 DEGREES REMARK 500 ARG A 155 NE - CZ - NH1 ANGL. DEV. = 3.4 DEGREES REMARK 500 ARG A 160 NE - CZ - NH2 ANGL. DEV. = -5.1 DEGREES REMARK 500 ARG A 166 NE - CZ - NH1 ANGL. DEV. = 4.2 DEGREES REMARK 500 ASP A 210 CB - CG - OD2 ANGL. DEV. = 8.9 DEGREES REMARK 500 LYS A 264 CD - CE - NZ ANGL. DEV. = 16.3 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 ASP A 33 56.69 -92.76 REMARK 500 ALA A 194 59.59 -103.92 REMARK 500 ASP A 254 89.49 -156.71 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 PP9 A 296 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2CYP RELATED DB: PDB REMARK 900 ORIGINAL CCP STRUCTURE REMARK 900 RELATED ID: 1KOK RELATED DB: PDB REMARK 900 WILD TYPE CCP COMPLEXED WITH MESOPORPHYRIN DBREF 1Z53 A 1 294 UNP P00431 CCPR_YEAST 68 361 SEQRES 1 A 294 THR THR PRO LEU VAL HIS VAL ALA SER VAL GLU LYS GLY SEQRES 2 A 294 ARG SER TYR GLU ASP PHE GLN LYS VAL TYR ASN ALA ILE SEQRES 3 A 294 ALA LEU LYS LEU ARG GLU ASP ASP GLU TYR ASP ASN TYR SEQRES 4 A 294 ILE GLY TYR GLY PRO VAL LEU VAL ARG LEU ALA TRP HIS SEQRES 5 A 294 THR SER GLY THR TRP ASP LYS HIS ASP ASN THR GLY GLY SEQRES 6 A 294 SER TYR GLY GLY THR TYR ARG PHE LYS LYS GLU PHE ASN SEQRES 7 A 294 ASP PRO SER ASN ALA GLY LEU GLN ASN GLY PHE LYS PHE SEQRES 8 A 294 LEU GLU PRO ILE HIS LYS GLU PHE PRO TRP ILE SER SER SEQRES 9 A 294 GLY ASP LEU PHE SER LEU GLY GLY VAL THR ALA VAL GLN SEQRES 10 A 294 GLU MET GLN GLY PRO LYS ILE PRO TRP ARG CYS GLY ARG SEQRES 11 A 294 VAL ASP THR PRO GLU ASP THR THR PRO ASP ASN GLY ARG SEQRES 12 A 294 LEU PRO ASP ALA ASP LYS ASP ALA ASP TYR VAL ARG THR SEQRES 13 A 294 PHE PHE GLN ARG LEU ASN MET ASN ASP ARG GLU VAL VAL SEQRES 14 A 294 ALA LEU MET GLY ALA HIS ALA LEU GLY LYS THR HIS LEU SEQRES 15 A 294 LYS ASN SER GLY TYR GLU GLY PRO TRP GLY ALA ALA ASN SEQRES 16 A 294 ASN VAL PHE THR ASN GLU PHE TYR LEU ASN LEU LEU ASN SEQRES 17 A 294 GLU ASP TRP LYS LEU GLU LYS ASN ASP ALA ASN ASN GLU SEQRES 18 A 294 GLN TRP ASP SER LYS SER GLY TYR MET MET LEU PRO THR SEQRES 19 A 294 ASP TYR SER LEU ILE GLN ASP PRO LYS TYR LEU SER ILE SEQRES 20 A 294 VAL LYS GLU TYR ALA ASN ASP GLN ASP LYS PHE PHE LYS SEQRES 21 A 294 ASP PHE SER LYS ALA PHE GLU LYS LEU LEU GLU ASN GLY SEQRES 22 A 294 ILE THR PHE PRO LYS ASP ALA PRO SER PRO PHE ILE PHE SEQRES 23 A 294 LYS THR LEU GLU GLU GLN GLY LEU HET PP9 A 296 42 HETNAM PP9 PROTOPORPHYRIN IX FORMUL 2 PP9 C34 H34 N4 O4 FORMUL 3 HOH *530(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 200 GLU A 209 1 10 HELIX 15 15 LEU A 232 ASP A 241 1 10 HELIX 16 16 ASP A 241 ASN A 253 1 13 HELIX 17 17 ASP A 254 ASN A 272 1 19 HELIX 18 18 THR A 288 GLY A 293 1 6 SHEET 1 A 2 HIS A 6 VAL A 7 0 SHEET 2 A 2 ILE A 274 THR A 275 1 O THR A 275 N HIS A 6 SHEET 1 B 2 LYS A 179 THR A 180 0 SHEET 2 B 2 GLY A 189 PRO A 190 -1 O GLY A 189 N THR A 180 SHEET 1 C 3 TRP A 211 LYS A 215 0 SHEET 2 C 3 GLU A 221 SER A 225 -1 O GLN A 222 N GLU A 214 SHEET 3 C 3 MET A 230 MET A 231 -1 O MET A 231 N TRP A 223 SITE 1 AC1 25 PRO A 44 VAL A 45 ARG A 48 TRP A 51 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 TRP A 191 LEU A 232 THR A 234 SITE 6 AC1 25 HOH A1035 HOH A1037 HOH A1067 HOH A1085 SITE 7 AC1 25 HOH A1343 CRYST1 106.852 75.736 51.041 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 0.009359 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013204 0.000000 0.00000 SCALE3 0.000000 0.000000 0.019592 0.00000