HEADER OXIDOREDUCTASE 15-SEP-98 1BVA TITLE MANGANESE BINDING MUTANT IN CYTOCHROME C PEROXIDASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN (CYTOCHROME C PEROXIDASE); COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CCP/MP6.8; COMPND 5 EC: 1.11.1.5; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES; COMPND 8 OTHER_DETAILS: CRYSTAL FORM MKTBY SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SACCHAROMYCES CEREVISIAE; SOURCE 3 ORGANISM_COMMON: BAKER'S YEAST; SOURCE 4 ORGANISM_TAXID: 4932; SOURCE 5 STRAIN: BL21 (DE3); SOURCE 6 ORGANELLE: MITOCHONDRIA; SOURCE 7 CELLULAR_LOCATION: CYTOPLASM; SOURCE 8 GENE: CCP (MKT); SOURCE 9 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 10 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 11 EXPRESSION_SYSTEM_STRAIN: BL21 (DE3); SOURCE 12 EXPRESSION_SYSTEM_PLASMID: PT7CCP; SOURCE 13 EXPRESSION_SYSTEM_GENE: CCP (MKT); SOURCE 14 OTHER_DETAILS: MUTATION TO BIND MANGANESE KEYWDS OXIDOREDUCTASE, PEROXIDASE, METALLOENZYME, PROTEIN ENGINEERING EXPDTA X-RAY DIFFRACTION AUTHOR S.K.WILCOX,D.E.MCREE,D.B.GOODIN REVDAT 8 09-AUG-23 1BVA 1 REMARK REVDAT 7 03-NOV-21 1BVA 1 REMARK SEQADV LINK REVDAT 6 24-JUL-19 1BVA 1 REMARK REVDAT 5 04-OCT-17 1BVA 1 REMARK REVDAT 4 24-FEB-09 1BVA 1 VERSN REVDAT 3 01-APR-03 1BVA 1 JRNL REVDAT 2 29-DEC-99 1BVA 4 HEADER COMPND REMARK JRNL REVDAT 2 2 4 ATOM SOURCE SEQRES REVDAT 1 23-DEC-98 1BVA 0 JRNL AUTH S.K.WILCOX,C.D.PUTNAM,M.SASTRY,J.BLANKENSHIP,W.J.CHAZIN, JRNL AUTH 2 D.E.MCREE,D.B.GOODIN JRNL TITL RATIONAL DESIGN OF A FUNCTIONAL METALLOENZYME: INTRODUCTION JRNL TITL 2 OF A SITE FOR MANGANESE BINDING AND OXIDATION INTO A HEME JRNL TITL 3 PEROXIDASE. JRNL REF BIOCHEMISTRY V. 37 16853 1998 JRNL REFN ISSN 0006-2960 JRNL PMID 9836578 JRNL DOI 10.1021/BI9815039 REMARK 2 REMARK 2 RESOLUTION. 1.89 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) : 1.89 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 81.0 REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.179 REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 25534 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : NULL REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : 0.171 REMARK 3 FREE R VALUE (F>4SIG(F)) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 23797 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2309 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 44 REMARK 3 SOLVENT ATOMS : 385 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : NULL REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : NULL REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : NULL REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : 10891 REMARK 3 NUMBER OF RESTRAINTS : 9784 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 ANGLE DISTANCES (A) : 1.700 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : NULL REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : NULL REMARK 3 ZERO CHIRAL VOLUMES (A**3) : NULL REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : NULL REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : NULL REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : NULL REMARK 3 SIMILAR ADP COMPONENTS (A**2) : NULL REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: NULL REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : NULL REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1BVA COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB. REMARK 100 THE DEPOSITION ID IS D_1000008330. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-JAN-98 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : SIEMENS REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : SIEMENS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : X-GEN REMARK 200 DATA SCALING SOFTWARE : X-GEN REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 26232 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.880 REMARK 200 RESOLUTION RANGE LOW (A) : 15.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 81.0 REMARK 200 DATA REDUNDANCY : 2.300 REMARK 200 R MERGE (I) : 0.05200 REMARK 200 R SYM (I) : 0.05200 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 18.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.89 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.01 REMARK 200 COMPLETENESS FOR SHELL (%) : 42.0 REMARK 200 DATA REDUNDANCY IN SHELL : 1.90 REMARK 200 R MERGE FOR SHELL (I) : 0.14000 REMARK 200 R SYM FOR SHELL (I) : 0.14000 REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.390 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: XTALVIEW REMARK 200 STARTING MODEL: PDB ENTRY 1CCG REMARK 200 REMARK 200 REMARK: A 100K STRUCTURE OF 1CCG WAS USED INITIALLY BECAUSE IT HAD REMARK 200 THE MOST SIMILAR UNIT CELL. THE APPROPRIATE AMINO ACID REMARK 200 IDENTITIES WERE CHANGED. REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 61.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.20 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20% MPD, 35 MM PHOSPHATE, PH 6.0, 5 MM REMARK 280 MNSO4. 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 52.90000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 25.25000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 36.80000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 25.25000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 52.90000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 36.80000 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 LYS A 2 REMARK 465 THR A 3 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 LYS A 12 NZ REMARK 470 GLU A 17 CG CD OE1 OE2 REMARK 470 GLU A 35 CD OE1 OE2 REMARK 470 TYR A 36 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 GLU A 37 CG CD OE1 OE2 REMARK 470 ILE A 40 CG1 CG2 CD1 REMARK 470 LYS A 74 CG CD CE NZ REMARK 470 LYS A 90 CD CE NZ REMARK 470 LYS A 97 CD CE NZ REMARK 470 LYS A 226 CG CD CE NZ REMARK 470 LYS A 260 CG CD CE NZ REMARK 470 LYS A 278 CG CD CE NZ 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 LEU A 294 C LEU A 294 OXT 0.135 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 ARG A 130 CD - NE - CZ ANGL. DEV. = -12.3 DEGREES REMARK 500 ARG A 130 NE - CZ - NH1 ANGL. DEV. = -7.4 DEGREES REMARK 500 ARG A 130 NE - CZ - NH2 ANGL. DEV. = 6.2 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 148 46.92 -97.82 REMARK 500 ALA A 194 75.51 -63.40 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 390 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 175 NE2 REMARK 620 2 HEM A 390 NA 91.5 REMARK 620 3 HEM A 390 NB 94.2 91.2 REMARK 620 4 HEM A 390 NC 93.3 174.9 89.8 REMARK 620 5 HEM A 390 ND 96.2 90.5 169.4 87.6 REMARK 620 6 HOH A 776 O 176.8 85.9 84.0 89.3 85.7 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: MN REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: MANGANESE BOUND IN ENGINEERED SITE THE LOOP REMARK 800 CONTAINING RESIDUES 33-41 IS REARRANGED. REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN A 391 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM A 390 REMARK 999 REMARK 999 SEQUENCE REMARK 999 THIS CYTOCHROME C PEROXIDASE DIFFERS FROM 2CYP BY STRAIN REMARK 999 RELATED SUBSTITUTIONS OF THR 53 WITH ILE, ASP 152 WITH GLY. REMARK 999 THE N-TERMINUS HAS THREE RESIDUES MET-LYS-THR WHICH ARE NOT REMARK 999 OBSERVED IN THE CRYSTAL STRUCTURE. IN THIS REGARD IT REMARK 999 DIFFERS SLIGHTLY FROM THE CCP IN ENTRIES 2CCP, 3CCP, 4CCP. REMARK 999 ASP 37 HAS BEEN REPLACED BY GLU, PRO 44 HAS BEEN REPLACED REMARK 999 BY ASP, AND VAL 45 HAS BEEN REPLACED BY ASP. DBREF 1BVA A 1 294 UNP P00431 CCPR_YEAST 68 361 SEQADV 1BVA MET A 1 UNP P00431 THR 68 CONFLICT SEQADV 1BVA LYS A 2 UNP P00431 THR 69 CONFLICT SEQADV 1BVA THR A 3 UNP P00431 PRO 70 CONFLICT SEQADV 1BVA GLU A 37 UNP P00431 ASP 104 ENGINEERED MUTATION SEQADV 1BVA ASP A 44 UNP P00431 PRO 111 ENGINEERED MUTATION SEQADV 1BVA ASP A 45 UNP P00431 VAL 112 ENGINEERED MUTATION SEQADV 1BVA ILE A 53 UNP P00431 THR 69 SEE REMARK 999 SEQADV 1BVA GLY A 152 UNP P00431 ASP 219 SEE REMARK 999 SEQRES 1 A 294 MET LYS THR 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 GLU ASN TYR SEQRES 4 A 294 ILE GLY TYR GLY ASP ASP LEU VAL ARG LEU ALA TRP HIS SEQRES 5 A 294 ILE 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 GLY 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 MN A 391 1 HET HEM A 390 43 HETNAM MN MANGANESE (II) ION HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETSYN HEM HEME FORMUL 2 MN MN 2+ FORMUL 3 HEM C34 H32 FE N4 O4 FORMUL 4 HOH *385(H2 O) HELIX 1 A SER A 15 ASP A 33 1SEE REMARK 650 19 HELIX 2 B TYR A 42 SER A 54 1SEE REMARK 650 13 HELIX 3 B1 PHE A 73 ASN A 78 1SEE REMARK 650 6 HELIX 4 C GLY A 84 PHE A 99 1SEE REMARK 650 16 HELIX 5 D SER A 103 MET A 119 1SEE REMARK 650 17 HELIX 6 E ASP A 150 PHE A 158 1SEE REMARK 650 9 HELIX 7 F ASN A 164 LEU A 177 1SEE REMARK 650 14 HELIX 8 F1 HIS A 181 GLY A 186 1SEE REMARK 650 6 HELIX 9 G GLU A 201 GLU A 209 1SEE REMARK 650 9 HELIX 10 H LEU A 232 GLN A 240 1SEE REMARK 650 9 HELIX 11 I ASP A 241 ASN A 253 1SEE REMARK 650 13 HELIX 12 J1 THR A 288 GLY A 293 1SEE REMARK 650 6 SHEET 1 A 2 TRP A 211 LYS A 215 0 SHEET 2 A 2 GLU A 221 SER A 225 -1 N ASP A 224 O LYS A 212 LINK NE2 HIS A 175 FE HEM A 390 1555 1555 2.03 LINK O2D HEM A 390 MN MN A 391 1555 1555 2.30 LINK FE HEM A 390 O HOH A 776 1555 1555 2.32 SITE 1 MN 1 MN A 391 SITE 1 AC1 4 GLY A 41 ASP A 45 HIS A 181 HEM A 390 SITE 1 AC2 26 ASP A 44 ASP A 45 VAL A 47 ARG A 48 SITE 2 AC2 26 TRP A 51 PRO A 145 ASP A 146 ALA A 147 SITE 3 AC2 26 LEU A 171 MET A 172 ALA A 174 HIS A 175 SITE 4 AC2 26 GLY A 178 LYS A 179 THR A 180 HIS A 181 SITE 5 AC2 26 ASN A 184 SER A 185 TRP A 191 LEU A 232 SITE 6 AC2 26 THR A 234 PHE A 262 MN A 391 HOH A 634 SITE 7 AC2 26 HOH A 660 HOH A 776 CRYST1 105.800 73.600 50.500 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 0.009452 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013587 0.000000 0.00000 SCALE3 0.000000 0.000000 0.019802 0.00000