HEADER ELECTRON TRANSPORT(HEME PROTEIN) 18-MAY-92 1BBH TITLE ATOMIC STRUCTURE OF A CYTOCHROME C' WITH AN UNUSUAL LIGAND-CONTROLLED TITLE 2 DIMER DISSOCIATION AT 1.8 ANGSTROMS RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYTOCHROME C'; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ALLOCHROMATIUM VINOSUM; SOURCE 3 ORGANISM_TAXID: 1049 KEYWDS ELECTRON TRANSPORT(HEME PROTEIN) EXPDTA X-RAY DIFFRACTION AUTHOR Z.REN,D.E.MCREE REVDAT 5 23-OCT-24 1BBH 1 REMARK REVDAT 4 03-MAR-21 1BBH 1 COMPND REMARK HET HETNAM REVDAT 4 2 1 HETSYN FORMUL LINK ATOM REVDAT 3 29-NOV-17 1BBH 1 REMARK HELIX REVDAT 2 24-FEB-09 1BBH 1 VERSN REVDAT 1 31-JAN-94 1BBH 0 JRNL AUTH Z.REN,T.MEYER,D.E.MCREE JRNL TITL ATOMIC STRUCTURE OF A CYTOCHROME C' WITH AN UNUSUAL JRNL TITL 2 LIGAND-CONTROLLED DIMER DISSOCIATION AT 1.8 A RESOLUTION. JRNL REF J.MOL.BIOL. V. 234 433 1993 JRNL REFN ISSN 0022-2836 JRNL PMID 8230224 JRNL DOI 10.1006/JMBI.1993.1597 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH D.E.MCREE,S.M.REDFORD,T.E.MEYER,M.A.CUSANOVICH REMARK 1 TITL CRYSTALLIZATION AND CHARACTERIZATION OF CHROMATIUM VINOSUM REMARK 1 TITL 2 CYTOCHROME C' REMARK 1 REF J.MOL.BIOL. V. 265 5364 1990 REMARK 1 REFN ISSN 0022-2836 REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 5.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 21287 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING SET) : 0.185 REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL 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 : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL 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 : 1934 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 86 REMARK 3 SOLVENT ATOMS : 221 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL 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 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : NULL REMARK 3 BOND ANGLES (DEGREES) : NULL REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1BBH COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000171560. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : NULL REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : NULL REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50.70 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.49 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL 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 24.60000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 49.40000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 28.35000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 49.40000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 24.60000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 28.35000 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3860 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 12850 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -57.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 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 33 CG CD OE1 OE2 REMARK 480 GLN A 38 CG CD OE1 NE2 REMARK 480 GLU A 108 CG CD OE1 OE2 REMARK 480 GLU B 33 CG CD OE1 OE2 REMARK 480 GLN B 38 CG CD OE1 NE2 REMARK 480 GLU B 108 CG CD OE1 OE2 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 12 NE - CZ - NH1 ANGL. DEV. = 10.1 DEGREES REMARK 500 ARG A 12 NE - CZ - NH2 ANGL. DEV. = -9.0 DEGREES REMARK 500 TRP A 21 CD1 - CG - CD2 ANGL. DEV. = 6.2 DEGREES REMARK 500 TRP A 21 CE2 - CD2 - CG ANGL. DEV. = -6.1 DEGREES REMARK 500 PRO A 60 CA - C - N ANGL. DEV. = 13.3 DEGREES REMARK 500 THR A 71 CA - CB - CG2 ANGL. DEV. = -10.6 DEGREES REMARK 500 ARG A 72 NE - CZ - NH1 ANGL. DEV. = 4.8 DEGREES REMARK 500 ARG A 72 NE - CZ - NH2 ANGL. DEV. = -5.0 DEGREES REMARK 500 PHE A 78 CA - C - N ANGL. DEV. = 15.3 DEGREES REMARK 500 PHE A 78 O - C - N ANGL. DEV. = -13.0 DEGREES REMARK 500 ARG A 89 NE - CZ - NH1 ANGL. DEV. = 5.2 DEGREES REMARK 500 ARG A 89 NE - CZ - NH2 ANGL. DEV. = -4.8 DEGREES REMARK 500 LYS A 111 CA - CB - CG ANGL. DEV. = 15.6 DEGREES REMARK 500 TYR A 128 CB - CG - CD1 ANGL. DEV. = -3.8 DEGREES REMARK 500 ARG A 129 NE - CZ - NH1 ANGL. DEV. = 9.7 DEGREES REMARK 500 ARG A 129 NE - CZ - NH2 ANGL. DEV. = -5.2 DEGREES REMARK 500 ARG B 12 NE - CZ - NH1 ANGL. DEV. = 14.5 DEGREES REMARK 500 ARG B 12 NE - CZ - NH2 ANGL. DEV. = -8.8 DEGREES REMARK 500 TRP B 21 CD1 - CG - CD2 ANGL. DEV. = 6.7 DEGREES REMARK 500 TRP B 21 CE2 - CD2 - CG ANGL. DEV. = -6.7 DEGREES REMARK 500 THR B 62 N - CA - CB ANGL. DEV. = -15.5 DEGREES REMARK 500 TYR B 128 CB - CG - CD1 ANGL. DEV. = -3.7 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 TYR A 58 59.83 -108.31 REMARK 500 PRO A 60 -70.30 -39.81 REMARK 500 GLN A 79 -32.09 68.31 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 503 DISTANCE = 6.30 ANGSTROMS REMARK 525 HOH A 619 DISTANCE = 5.98 ANGSTROMS REMARK 525 HOH A 644 DISTANCE = 7.55 ANGSTROMS REMARK 525 HOH A 650 DISTANCE = 7.27 ANGSTROMS REMARK 525 HOH A 656 DISTANCE = 7.07 ANGSTROMS REMARK 525 HOH A 661 DISTANCE = 9.25 ANGSTROMS REMARK 525 HOH A 676 DISTANCE = 6.72 ANGSTROMS REMARK 525 HOH B 553 DISTANCE = 6.69 ANGSTROMS REMARK 525 HOH B 575 DISTANCE = 6.56 ANGSTROMS REMARK 525 HOH B 582 DISTANCE = 10.67 ANGSTROMS REMARK 525 HOH B 594 DISTANCE = 8.24 ANGSTROMS REMARK 525 HOH B 602 DISTANCE = 5.85 ANGSTROMS REMARK 525 HOH B 608 DISTANCE = 6.44 ANGSTROMS REMARK 525 HOH B 689 DISTANCE = 5.85 ANGSTROMS REMARK 525 HOH B 714 DISTANCE = 6.25 ANGSTROMS REMARK 525 HOH B 715 DISTANCE = 7.04 ANGSTROMS REMARK 525 HOH B 725 DISTANCE = 6.98 ANGSTROMS REMARK 525 HOH B 744 DISTANCE = 6.20 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 HEC A 132 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 125 NE2 REMARK 620 2 HEC A 132 NA 98.1 REMARK 620 3 HEC A 132 NB 96.2 90.5 REMARK 620 4 HEC A 132 NC 96.5 165.4 88.4 REMARK 620 5 HEC A 132 ND 98.8 89.0 164.9 88.3 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEC B 132 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 125 NE2 REMARK 620 2 HEC B 132 NA 92.9 REMARK 620 3 HEC B 132 NB 97.9 91.3 REMARK 620 4 HEC B 132 NC 95.1 172.0 87.9 REMARK 620 5 HEC B 132 ND 95.7 88.7 166.4 90.2 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEC A 132 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEC B 132 DBREF 1BBH A 1 131 UNP P00154 CYCP_CHRVI 24 154 DBREF 1BBH B 1 131 UNP P00154 CYCP_CHRVI 24 154 SEQRES 1 A 131 ALA GLY LEU SER PRO GLU GLU GLN ILE GLU THR ARG GLN SEQRES 2 A 131 ALA GLY TYR GLU PHE MET GLY TRP ASN MET GLY LYS ILE SEQRES 3 A 131 LYS ALA ASN LEU GLU GLY GLU TYR ASN ALA ALA GLN VAL SEQRES 4 A 131 GLU ALA ALA ALA ASN VAL ILE ALA ALA ILE ALA ASN SER SEQRES 5 A 131 GLY MET GLY ALA LEU TYR GLY PRO GLY THR ASP LYS ASN SEQRES 6 A 131 VAL GLY ASP VAL LYS THR ARG VAL LYS PRO GLU PHE PHE SEQRES 7 A 131 GLN ASN MET GLU ASP VAL GLY LYS ILE ALA ARG GLU PHE SEQRES 8 A 131 VAL GLY ALA ALA ASN THR LEU ALA GLU VAL ALA ALA THR SEQRES 9 A 131 GLY GLU ALA GLU ALA VAL LYS THR ALA PHE GLY ASP VAL SEQRES 10 A 131 GLY ALA ALA CYS LYS SER CYS HIS GLU LYS TYR ARG ALA SEQRES 11 A 131 LYS SEQRES 1 B 131 ALA GLY LEU SER PRO GLU GLU GLN ILE GLU THR ARG GLN SEQRES 2 B 131 ALA GLY TYR GLU PHE MET GLY TRP ASN MET GLY LYS ILE SEQRES 3 B 131 LYS ALA ASN LEU GLU GLY GLU TYR ASN ALA ALA GLN VAL SEQRES 4 B 131 GLU ALA ALA ALA ASN VAL ILE ALA ALA ILE ALA ASN SER SEQRES 5 B 131 GLY MET GLY ALA LEU TYR GLY PRO GLY THR ASP LYS ASN SEQRES 6 B 131 VAL GLY ASP VAL LYS THR ARG VAL LYS PRO GLU PHE PHE SEQRES 7 B 131 GLN ASN MET GLU ASP VAL GLY LYS ILE ALA ARG GLU PHE SEQRES 8 B 131 VAL GLY ALA ALA ASN THR LEU ALA GLU VAL ALA ALA THR SEQRES 9 B 131 GLY GLU ALA GLU ALA VAL LYS THR ALA PHE GLY ASP VAL SEQRES 10 B 131 GLY ALA ALA CYS LYS SER CYS HIS GLU LYS TYR ARG ALA SEQRES 11 B 131 LYS HET HEC A 132 43 HET HEC B 132 43 HETNAM HEC HEME C FORMUL 3 HEC 2(C34 H34 FE N4 O4) FORMUL 5 HOH *221(H2 O) HELIX 1 AA GLU A 6 GLU A 31 1 26 HELIX 2 BA ALA A 36 ASN A 51 1 16 HELIX 3 CA MET A 81 ALA A 102 1 22 HELIX 4 DA ALA A 107 TYR A 128 1 22 HELIX 5 AB GLU B 6 GLU B 31 1 26 HELIX 6 BB ALA B 36 ASN B 51 1 16 HELIX 7 CB MET B 81 ALA B 102 1 22 HELIX 8 DB ALA B 107 TYR B 128 1 22 LINK SG CYS A 121 CAB HEC A 132 1555 1555 1.86 LINK SG CYS A 124 CAC HEC A 132 1555 1555 1.87 LINK SG CYS B 121 CAB HEC B 132 1555 1555 1.85 LINK SG CYS B 124 CAC HEC B 132 1555 1555 1.86 LINK NE2 HIS A 125 FE HEC A 132 1555 1555 2.02 LINK NE2 HIS B 125 FE HEC B 132 1555 1555 2.04 SITE 1 AC1 13 ALA A 1 ARG A 12 GLN A 13 TYR A 16 SITE 2 AC1 13 TYR A 58 THR A 71 ARG A 72 PHE A 91 SITE 3 AC1 13 CYS A 121 CYS A 124 HIS A 125 ARG A 129 SITE 4 AC1 13 HOH A 769 SITE 1 AC2 13 ARG B 12 GLN B 13 TYR B 16 GLU B 17 SITE 2 AC2 13 TYR B 58 THR B 71 ARG B 72 PHE B 91 SITE 3 AC2 13 CYS B 121 CYS B 124 HIS B 125 ARG B 129 SITE 4 AC2 13 HOH B 764 CRYST1 49.200 56.700 98.800 90.00 90.00 90.00 P 21 21 21 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 0.020325 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017637 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010121 0.00000