HEADER OXIDOREDUCTASE 02-JUL-24 9FY4 TITLE CRYSTAL STRUCTURE OF HEME-OXYGENASE MUTANT I143K FROM CORYNEBACTERIUM TITLE 2 DIPHTHERIAE COMPLEXED WITH COBALT-PORPHYRINE (HUMO-CO(III)) COMPND MOL_ID: 1; COMPND 2 MOLECULE: HEME OXYGENASE (BILIVERDIN-PRODUCING); COMPND 3 CHAIN: A, H; COMPND 4 EC: 1.14.14.18; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CORYNEBACTERIUM DIPHTHERIAE; SOURCE 3 ORGANISM_TAXID: 1717; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS CARBON DIOXIDE PHOTO-REDUCTION ARTIFICIAL-ENZYME COBALT-PORPHYRIN KEYWDS 2 HEME-OXYGENASE OXIDOREDUCTASE, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR R.J.LABIDI,B.FAIVRE,P.CARPENTIER,J.PERARD,P.GOTICO,Y.LI,M.ATTA, AUTHOR 2 M.FONTECAVE REVDAT 1 16-OCT-24 9FY4 0 JRNL AUTH R.J.LABIDI,B.FAIVRE,P.CARPENTIER,J.PERARD,P.GOTICO,Y.LI, JRNL AUTH 2 M.ATTA,M.FONTECAVE JRNL TITL LIGHT-ACTIVATED ARTIFICIAL CO 2 -REDUCTASE: STRUCTURE AND JRNL TITL 2 ACTIVITY. JRNL REF J.AM.CHEM.SOC. 2024 JRNL REFN ESSN 1520-5126 JRNL PMID 39352411 JRNL DOI 10.1021/JACS.4C08927 REMARK 2 REMARK 2 RESOLUTION. 2.84 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : BUSTER 2.10.4 (23-JAN-2024) REMARK 3 AUTHORS : BRICOGNE,BLANC,BRANDL,FLENSBURG,KELLER, REMARK 3 : PACIOREK,ROVERSI,SHARFF,SMART,VONRHEIN, REMARK 3 : WOMACK,MATTHEWS,TEN EYCK,TRONRUD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.84 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 48.61 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.3 REMARK 3 NUMBER OF REFLECTIONS : 9291 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.237 REMARK 3 R VALUE (WORKING SET) : 0.234 REMARK 3 FREE R VALUE : 0.306 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.610 REMARK 3 FREE R VALUE TEST SET COUNT : 428 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 : 22 REMARK 3 BIN RESOLUTION RANGE HIGH (ANGSTROMS) : 2.84 REMARK 3 BIN RESOLUTION RANGE LOW (ANGSTROMS) : 2.90 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 84.53 REMARK 3 REFLECTIONS IN BIN (WORKING + TEST SET) : 443 REMARK 3 BIN R VALUE (WORKING + TEST SET) : 0.3174 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 423 REMARK 3 BIN R VALUE (WORKING SET) : 0.3171 REMARK 3 BIN FREE R VALUE : 0.3236 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.51 REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL 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 : 3319 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 88 REMARK 3 SOLVENT ATOMS : 125 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 27.40 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 44.21 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -37.61250 REMARK 3 B22 (A**2) : 6.66030 REMARK 3 B33 (A**2) : 30.95220 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 10.21370 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.420 REMARK 3 DPI (BLOW EQ-10) BASED ON R VALUE (A) : NULL REMARK 3 DPI (BLOW EQ-9) BASED ON FREE R VALUE (A) : 0.528 REMARK 3 DPI (CRUICKSHANK) BASED ON R VALUE (A) : NULL REMARK 3 DPI (CRUICKSHANK) BASED ON FREE R VALUE (A) : NULL REMARK 3 REMARK 3 REFERENCES: BLOW, D. (2002) ACTA CRYST D58, 792-797 REMARK 3 CRUICKSHANK, D.W.J. (1999) ACTA CRYST D55, 583-601 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.809 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.781 REMARK 3 REMARK 3 NUMBER OF GEOMETRIC FUNCTION TERMS DEFINED : 15 REMARK 3 TERM COUNT WEIGHT FUNCTION. REMARK 3 BOND LENGTHS : 3483 ; 2.000 ; HARMONIC REMARK 3 BOND ANGLES : 4730 ; 2.000 ; HARMONIC REMARK 3 TORSION ANGLES : 1244 ; 2.000 ; SINUSOIDAL REMARK 3 TRIGONAL CARBON PLANES : NULL ; NULL ; NULL REMARK 3 GENERAL PLANES : 608 ; 5.000 ; HARMONIC REMARK 3 ISOTROPIC THERMAL FACTORS : 3483 ; 10.000 ; HARMONIC REMARK 3 BAD NON-BONDED CONTACTS : NULL ; NULL ; NULL REMARK 3 IMPROPER TORSIONS : NULL ; NULL ; NULL REMARK 3 PSEUDOROTATION ANGLES : NULL ; NULL ; NULL REMARK 3 CHIRAL IMPROPER TORSION : 408 ; 5.000 ; SEMIHARMONIC REMARK 3 SUM OF OCCUPANCIES : NULL ; NULL ; NULL REMARK 3 UTILITY DISTANCES : NULL ; NULL ; NULL REMARK 3 UTILITY ANGLES : NULL ; NULL ; NULL REMARK 3 UTILITY TORSION : NULL ; NULL ; NULL REMARK 3 IDEAL-DIST CONTACT TERM : 2693 ; 4.000 ; SEMIHARMONIC REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 0.89 REMARK 3 PEPTIDE OMEGA TORSION ANGLES (DEGREES) : 1.81 REMARK 3 OTHER TORSION ANGLES (DEGREES) : 18.20 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 9FY4 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 02-JUL-24. REMARK 100 THE DEPOSITION ID IS D_1292139916. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 14-APR-24 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID30B REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.87313 REMARK 200 MONOCHROMATOR : SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER X 9M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 9301 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.839 REMARK 200 RESOLUTION RANGE LOW (A) : 48.610 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.6 REMARK 200 DATA REDUNDANCY : 3.100 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 3.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.84 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.99 REMARK 200 COMPLETENESS FOR SHELL (%) : 94.4 REMARK 200 DATA REDUNDANCY IN SHELL : 3.10 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 1.100 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 (%): 40.47 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.07 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 25% PEG3350, 100 MM BIS-TRIS PH 5.5, REMARK 280 200 MM NACL, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 294K 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 31.76250 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: H 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 THR A 2 REMARK 465 THR A 3 REMARK 465 ALA A 4 REMARK 465 THR A 5 REMARK 465 MET H 1 REMARK 465 THR H 2 REMARK 465 THR H 3 REMARK 465 ALA H 4 REMARK 465 THR H 5 REMARK 465 GLY H 214 REMARK 465 LEU H 215 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 ALA A 6 N CB REMARK 470 LYS A 168 CB CG CD CE NZ REMARK 470 ALA H 6 N CB REMARK 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 GLU A 41 CD REMARK 480 GLU H 184 CD REMARK 480 ASP H 187 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 HOH H 1024 O HOH H 1035 1.94 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 LEU A 37 -139.69 -112.30 REMARK 500 LEU H 37 -133.14 -96.94 REMARK 500 SER H 94 32.37 -83.77 REMARK 500 PRO H 155 -5.80 -59.28 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 466 DISTANCE = 6.93 ANGSTROMS REMARK 525 HOH H1059 DISTANCE = 5.94 ANGSTROMS 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 COH A 302 CO REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 20 NE2 REMARK 620 2 COH A 302 NA 92.0 REMARK 620 3 COH A 302 NB 95.3 89.6 REMARK 620 4 COH A 302 NC 86.6 178.5 90.5 REMARK 620 5 COH A 302 ND 83.1 90.6 178.4 89.2 REMARK 620 6 HOH A 403 O 170.3 97.1 88.3 84.4 93.3 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CO A 301 CO REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 401 O REMARK 620 2 HOH A 438 O 67.6 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 COH H 901 CO REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS H 20 NE2 REMARK 620 2 COH H 901 NA 86.4 REMARK 620 3 COH H 901 NB 97.1 89.7 REMARK 620 4 COH H 901 NC 92.2 178.5 90.1 REMARK 620 5 COH H 901 ND 81.6 90.0 178.7 90.2 REMARK 620 6 HOH H1001 O 143.5 110.3 114.6 71.1 66.7 REMARK 620 N 1 2 3 4 5 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 9F5U RELATED DB: PDB REMARK 900 RELATED ID: 9F66 RELATED DB: PDB REMARK 900 RELATED ID: 9FW4 RELATED DB: PDB REMARK 900 RELATED ID: 9FVS RELATED DB: PDB DBREF 9FY4 A 1 215 UNP Q54AI1 Q54AI1_CORDP 1 215 DBREF 9FY4 H 1 215 UNP Q54AI1 Q54AI1_CORDP 1 215 SEQADV 9FY4 LYS A 143 UNP Q54AI1 ILE 143 ENGINEERED MUTATION SEQADV 9FY4 LYS H 143 UNP Q54AI1 ILE 143 ENGINEERED MUTATION SEQRES 1 A 215 MET THR THR ALA THR ALA GLY LEU ALA VAL GLU LEU LYS SEQRES 2 A 215 GLN SER THR ALA GLN ALA HIS GLU LYS ALA GLU HIS SER SEQRES 3 A 215 THR PHE MET SER ASP LEU LEU LYS GLY ARG LEU GLY VAL SEQRES 4 A 215 ALA GLU PHE THR ARG LEU GLN GLU GLN ALA TRP LEU PHE SEQRES 5 A 215 TYR THR ALA LEU GLU GLN ALA VAL ASP ALA VAL ARG ALA SEQRES 6 A 215 SER GLY PHE ALA GLU SER LEU LEU ASP PRO ALA LEU ASN SEQRES 7 A 215 ARG ALA GLU VAL LEU ALA ARG ASP LEU ASP LYS LEU ASN SEQRES 8 A 215 GLY SER SER GLU TRP ARG SER ARG ILE THR ALA SER PRO SEQRES 9 A 215 ALA VAL ILE ASP TYR VAL ASN ARG LEU GLU GLU ILE ARG SEQRES 10 A 215 ASP ASN VAL ASP GLY PRO ALA LEU VAL ALA HIS HIS TYR SEQRES 11 A 215 VAL ARG TYR LEU GLY ASP LEU SER GLY GLY GLN VAL LYS SEQRES 12 A 215 ALA ARG MET MET GLN ARG HIS TYR GLY VAL ASP PRO GLU SEQRES 13 A 215 ALA LEU GLY PHE TYR HIS PHE GLU GLY ILE ALA LYS LEU SEQRES 14 A 215 LYS VAL TYR LYS ASP GLU TYR ARG GLU LYS LEU ASN ASN SEQRES 15 A 215 LEU GLU LEU SER ASP GLU GLN ARG GLU HIS LEU LEU LYS SEQRES 16 A 215 GLU ALA THR ASP ALA PHE VAL PHE ASN HIS GLN VAL PHE SEQRES 17 A 215 ALA ASP LEU GLY LYS GLY LEU SEQRES 1 H 215 MET THR THR ALA THR ALA GLY LEU ALA VAL GLU LEU LYS SEQRES 2 H 215 GLN SER THR ALA GLN ALA HIS GLU LYS ALA GLU HIS SER SEQRES 3 H 215 THR PHE MET SER ASP LEU LEU LYS GLY ARG LEU GLY VAL SEQRES 4 H 215 ALA GLU PHE THR ARG LEU GLN GLU GLN ALA TRP LEU PHE SEQRES 5 H 215 TYR THR ALA LEU GLU GLN ALA VAL ASP ALA VAL ARG ALA SEQRES 6 H 215 SER GLY PHE ALA GLU SER LEU LEU ASP PRO ALA LEU ASN SEQRES 7 H 215 ARG ALA GLU VAL LEU ALA ARG ASP LEU ASP LYS LEU ASN SEQRES 8 H 215 GLY SER SER GLU TRP ARG SER ARG ILE THR ALA SER PRO SEQRES 9 H 215 ALA VAL ILE ASP TYR VAL ASN ARG LEU GLU GLU ILE ARG SEQRES 10 H 215 ASP ASN VAL ASP GLY PRO ALA LEU VAL ALA HIS HIS TYR SEQRES 11 H 215 VAL ARG TYR LEU GLY ASP LEU SER GLY GLY GLN VAL LYS SEQRES 12 H 215 ALA ARG MET MET GLN ARG HIS TYR GLY VAL ASP PRO GLU SEQRES 13 H 215 ALA LEU GLY PHE TYR HIS PHE GLU GLY ILE ALA LYS LEU SEQRES 14 H 215 LYS VAL TYR LYS ASP GLU TYR ARG GLU LYS LEU ASN ASN SEQRES 15 H 215 LEU GLU LEU SER ASP GLU GLN ARG GLU HIS LEU LEU LYS SEQRES 16 H 215 GLU ALA THR ASP ALA PHE VAL PHE ASN HIS GLN VAL PHE SEQRES 17 H 215 ALA ASP LEU GLY LYS GLY LEU HET CO A 301 1 HET COH A 302 43 HET COH H 901 43 HET CL H 902 1 HETNAM CO COBALT (II) ION HETNAM COH PROTOPORPHYRIN IX CONTAINING CO HETNAM CL CHLORIDE ION FORMUL 3 CO CO 2+ FORMUL 4 COH 2(C34 H32 CO N4 O4) FORMUL 6 CL CL 1- FORMUL 7 HOH *125(H2 O) HELIX 1 AA1 GLY A 7 THR A 16 1 10 HELIX 2 AA2 THR A 16 HIS A 25 1 10 HELIX 3 AA3 SER A 26 GLY A 35 1 10 HELIX 4 AA4 GLY A 38 SER A 66 1 29 HELIX 5 AA5 ASP A 74 ASN A 78 5 5 HELIX 6 AA6 ARG A 79 GLY A 92 1 14 HELIX 7 AA7 SER A 103 VAL A 120 1 18 HELIX 8 AA8 ASP A 121 GLY A 152 1 32 HELIX 9 AA9 ASP A 154 HIS A 162 5 9 HELIX 10 AB1 LYS A 168 ASN A 182 1 15 HELIX 11 AB2 SER A 186 GLY A 212 1 27 HELIX 12 AB3 GLY H 7 THR H 16 1 10 HELIX 13 AB4 THR H 16 HIS H 25 1 10 HELIX 14 AB5 SER H 26 LYS H 34 1 9 HELIX 15 AB6 GLY H 38 GLY H 67 1 30 HELIX 16 AB7 ASP H 74 ASN H 78 5 5 HELIX 17 AB8 ARG H 79 GLY H 92 1 14 HELIX 18 AB9 SER H 93 SER H 98 5 6 HELIX 19 AC1 SER H 103 VAL H 120 1 18 HELIX 20 AC2 ASP H 121 GLY H 152 1 32 HELIX 21 AC3 ASP H 154 HIS H 162 5 9 HELIX 22 AC4 LYS H 168 ASN H 182 1 15 HELIX 23 AC5 SER H 186 GLY H 212 1 27 LINK NE2 HIS A 20 CO COH A 302 1555 1555 2.49 LINK CO CO A 301 O HOH A 401 1555 1655 2.69 LINK CO CO A 301 O HOH A 438 1555 1655 2.21 LINK CO COH A 302 O HOH A 403 1555 1555 2.06 LINK NE2 HIS H 20 CO COH H 901 1555 1555 2.29 LINK CO COH H 901 O HOH H1001 1555 1555 2.08 CRYST1 41.681 63.525 76.120 90.00 97.37 90.00 P 1 21 1 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 0.023992 0.000000 0.003103 0.00000 SCALE2 0.000000 0.015742 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013247 0.00000