1PST - Header Asymmetric Unit

HEADER PHOTOSYNTHETIC REACTION CENTER 13-DEC-93 1PST

TITLE CRYSTALLOGRAPHIC ANALYSES OF SITE-DIRECTED MUTANTS OF THE TITLE 2 PHOTOSYNTHETIC REACTION CENTER FROM RHODOBACTER SPHAEROIDES

COMPND MOL_ID: 1; COMPND 2 MOLECULE: PHOTOSYNTHETIC REACTION CENTER; COMPND 3 CHAIN: L; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: PHOTOSYNTHETIC REACTION CENTER; COMPND 7 CHAIN: M; COMPND 8 ENGINEERED: YES; COMPND 9 MOL_ID: 3; COMPND 10 MOLECULE: PHOTOSYNTHETIC REACTION CENTER; COMPND 11 CHAIN: H; COMPND 12 ENGINEERED: YES

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RHODOBACTER SPHAEROIDES; SOURCE 3 ORGANISM_TAXID: 1063; SOURCE 4 EXPRESSION_SYSTEM_VECTOR_TYPE: BACTERIAL; SOURCE 5 MOL_ID: 2; SOURCE 6 ORGANISM_SCIENTIFIC: RHODOBACTER SPHAEROIDES; SOURCE 7 ORGANISM_TAXID: 1063; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: BACTERIAL; SOURCE 9 MOL_ID: 3; SOURCE 10 ORGANISM_SCIENTIFIC: RHODOBACTER SPHAEROIDES; SOURCE 11 ORGANISM_TAXID: 1063; SOURCE 12 EXPRESSION_SYSTEM_VECTOR_TYPE: BACTERIAL

KEYWDS PHOTOSYNTHETIC REACTION CENTER

EXPDTA X-RAY DIFFRACTION

AUTHOR A.J.CHIRINO,G.FEHER,D.C.REES

REVDAT 3 13-JUL-11 1PST 1 VERSN REVDAT 2 24-FEB-09 1PST 1 VERSN REVDAT 1 30-APR-94 1PST 0

JRNL AUTH A.J.CHIRINO,E.J.LOUS,M.HUBER,J.P.ALLEN,C.C.SCHENCK, JRNL AUTH 2 M.L.PADDOCK,G.FEHER,D.C.REES JRNL TITL CRYSTALLOGRAPHIC ANALYSES OF SITE-DIRECTED MUTANTS OF THE JRNL TITL 2 PHOTOSYNTHETIC REACTION CENTER FROM RHODOBACTER SPHAEROIDES. JRNL REF BIOCHEMISTRY V. 33 4584 1994 JRNL REFN ISSN 0006-2960 JRNL PMID 8161514 JRNL DOI 10.1021/BI00181A020

REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH T.O.YEATES,H.KOMIYA,A.CHIRINO,D.C.REES,J.P.ALLEN,G.FEHER REMARK 1 TITL STRUCTURE OF THE REACTION CENTER FROM RHODOBACTER REMARK 1 TITL 2 SPHAEROIDES R-26 AND 2.4.1:PROTEIN-COFACTOR REMARK 1 TITL 3 (BACTERIOCHLOROPHYLL,BACTERIOPHEOPHYTIN, AND CAROTENOID) REMARK 1 TITL 4 INTERACTIONS REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 85 7993 1988 REMARK 1 REFN ISSN 0027-8424 REMARK 1 REFERENCE 2 REMARK 1 AUTH D.C.REES,H.KOMIYA,T.O.YEATES,J.P.ALLEN,G.FEHER REMARK 1 TITL THE BACTERIAL PHOTOSYNTHETIC REACTION CENTER AS A MODEL FOR REMARK 1 TITL 2 MEMBRANE PROTEINS REMARK 1 REF ANNU.REV.BIOCHEM. V. 58 607 1989 REMARK 1 REFN ISSN 0066-4154 REMARK 1 REFERENCE 3 REMARK 1 AUTH G.FEHER,J.P.ALLEN,M.Y.OKAMURA,D.C.REES REMARK 1 TITL STRUCTURE AND FUNCTION OF BACTERIAL PHOTOSYNTHETIC REACTION REMARK 1 TITL 2 CENTERS REMARK 1 REF NATURE V. 339 111 1989 REMARK 1 REFN ISSN 0028-0836 REMARK 1 REFERENCE 4 REMARK 1 AUTH H.KOMIYA,T.O.YEATES,D.C.REES,J.P.ALLEN,G.FEHER REMARK 1 TITL STRUCTURE OF THE REACTION CENTER FROM RHODOBACTER REMARK 1 TITL 2 SPHAEROIDES R-26 AND 2.4.1: SYMMETRY RELATIONS AND SEQUENCE REMARK 1 TITL 3 COMPARISONS BETWEEN DIFFERENT SPECIES REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 85 9012 1988 REMARK 1 REFN ISSN 0027-8424 REMARK 1 REFERENCE 5 REMARK 1 AUTH J.P.ALLEN,G.FEHER,T.O.YEATES,H.KOMIYA,D.C.REES REMARK 1 TITL STRUCTURE OF THE REACTION CENTER FROM RHODOBACTER REMARK 1 TITL 2 SPHAEROIDES R-26: PROTEIN-COFACTOR (QUINONES AND FE2+) REMARK 1 TITL 3 INTERACTIONS REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 85 8487 1988 REMARK 1 REFN ISSN 0027-8424 REMARK 1 REFERENCE 6 REMARK 1 AUTH T.O.YEATES,H.KOMIYA,D.C.REES,J.P.ALLEN,G.FEHER REMARK 1 TITL STRUCTURE OF THE REACTION CENTER FROM RHODOBACTER REMARK 1 TITL 2 SPHAEROIDES R-26: MEMBRANE-PROTEIN INTERACTIONS REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 84 6438 1987 REMARK 1 REFN ISSN 0027-8424 REMARK 1 REFERENCE 7 REMARK 1 AUTH J.P.ALLEN,G.FEHER,T.O.YEATES,H.KOMIYA,D.C.REES REMARK 1 TITL STRUCTURE OF THE REACTION CENTER FROM RHODOBACTER REMARK 1 TITL 2 SPHAEROIDES R-26: THE PROTEIN SUBUNITS REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 84 6162 1987 REMARK 1 REFN ISSN 0027-8424 REMARK 1 REFERENCE 8 REMARK 1 AUTH J.P.ALLEN,G.FEHER,T.O.YEATES,H.KOMIYA,D.C.REES REMARK 1 TITL STRUCTURE OF THE REACTION CENTER FROM RHODOBACTER REMARK 1 TITL 2 SPHAEROIDES R-26: THE COFACTORS REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 84 5730 1987 REMARK 1 REFN ISSN 0027-8424 REMARK 1 REFERENCE 9 REMARK 1 AUTH J.P.ALLEN,G.FEHER,T.O.YEATES,D.C.REES,J.DESENHOFER,H.MICHEL, REMARK 1 AUTH 2 R.HUBER REMARK 1 TITL STRUCTURE HOMOLOGY OF THE REACTION CENTER FROM REMARK 1 TITL 2 RHODOPSEUDOMONAS SPHAEROIDES AND RHODOPSEUDOMONAS VIRIDIS AS REMARK 1 TITL 3 DETERMINED BY X-RAY DIFFRACTION REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 83 8589 1986 REMARK 1 REFN ISSN 0027-8424

REMARK 2 REMARK 2 RESOLUTION. 3.00 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) : 3.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : NULL REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL 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 : NULL 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) : 0.218 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 : 6288 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 498 REMARK 3 SOLVENT ATOMS : 0 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) : 0.013 REMARK 3 BOND ANGLES (DEGREES) : 3.35 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: REMARK 3 THE STRUCTURE OF THE H-CHAIN IS BASED MAINLY ON MOLECULAR REMARK 3 REPLACEMENT FROM THE RPS. VIRIDIS REACTION CENTER STRUCTURE REMARK 3 AND IS LESS RELIABLE THAN REST OF THE STRUCTURE. IN REMARK 3 GENERAL THE TRANSMEMBRANE REGION OF THE STRUCTURE IS MORE REMARK 3 RELIABLE THAN THE HYDROPHILIC REGIONS OF THE MOLECULE.

REMARK 4 REMARK 4 1PST COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.

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 (%): 71.22 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.27 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 69.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 70.90000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 38.75000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 70.90000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 69.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 38.75000 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: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 30450 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 30150 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -233.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: L, M, 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 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 HIS L 116 NE2 HIS L 116 CD2 -0.082 REMARK 500 HIS L 153 NE2 HIS L 153 CD2 -0.077 REMARK 500 HIS L 168 NE2 HIS L 168 CD2 -0.074 REMARK 500 HIS L 173 NE2 HIS L 173 CD2 -0.066 REMARK 500 HIS L 190 NE2 HIS L 190 CD2 -0.073 REMARK 500 HIS L 211 NE2 HIS L 211 CD2 -0.078 REMARK 500 HIS M 145 NE2 HIS M 145 CD2 -0.077 REMARK 500 HIS M 182 NE2 HIS M 182 CD2 -0.072 REMARK 500 HIS M 193 NE2 HIS M 193 CD2 -0.075 REMARK 500 HIS M 301 NE2 HIS M 301 CD2 -0.071 REMARK 500 HIS H 68 NE2 HIS H 68 CD2 -0.073 REMARK 500 HIS H 98 NE2 HIS H 98 CD2 -0.069 REMARK 500 HIS H 204 NE2 HIS H 204 CD2 -0.073 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 L 10 NE - CZ - NH2 ANGL. DEV. = -3.2 DEGREES REMARK 500 TRP L 25 CD1 - CG - CD2 ANGL. DEV. = 6.8 DEGREES REMARK 500 TRP L 25 CE2 - CD2 - CG ANGL. DEV. = -6.3 DEGREES REMARK 500 TRP L 51 CD1 - CG - CD2 ANGL. DEV. = 6.4 DEGREES REMARK 500 TRP L 51 CE2 - CD2 - CG ANGL. DEV. = -5.8 DEGREES REMARK 500 TRP L 59 CD1 - CG - CD2 ANGL. DEV. = 6.6 DEGREES REMARK 500 TRP L 59 CB - CG - CD1 ANGL. DEV. = -7.9 DEGREES REMARK 500 TRP L 59 CE2 - CD2 - CG ANGL. DEV. = -6.1 DEGREES REMARK 500 TRP L 59 CG - CD2 - CE3 ANGL. DEV. = 5.4 DEGREES REMARK 500 TRP L 86 CD1 - CG - CD2 ANGL. DEV. = 7.2 DEGREES REMARK 500 TRP L 86 CE2 - CD2 - CG ANGL. DEV. = -6.6 DEGREES REMARK 500 TRP L 100 CD1 - CG - CD2 ANGL. DEV. = 8.0 DEGREES REMARK 500 TRP L 100 CE2 - CD2 - CG ANGL. DEV. = -6.4 DEGREES REMARK 500 TRP L 142 CD1 - CG - CD2 ANGL. DEV. = 6.5 DEGREES REMARK 500 TRP L 142 CE2 - CD2 - CG ANGL. DEV. = -6.3 DEGREES REMARK 500 TRP L 151 CD1 - CG - CD2 ANGL. DEV. = 6.8 DEGREES REMARK 500 TRP L 151 CE2 - CD2 - CG ANGL. DEV. = -6.3 DEGREES REMARK 500 HIS L 153 CA - CB - CG ANGL. DEV. = 10.5 DEGREES REMARK 500 TRP L 156 CD1 - CG - CD2 ANGL. DEV. = 5.5 DEGREES REMARK 500 TRP L 156 CE2 - CD2 - CG ANGL. DEV. = -5.6 DEGREES REMARK 500 TYR L 169 CB - CG - CD2 ANGL. DEV. = -4.2 DEGREES REMARK 500 TRP L 255 CD1 - CG - CD2 ANGL. DEV. = 6.0 DEGREES REMARK 500 TRP L 255 CE2 - CD2 - CG ANGL. DEV. = -6.0 DEGREES REMARK 500 TRP L 259 CD1 - CG - CD2 ANGL. DEV. = 6.2 DEGREES REMARK 500 TRP L 259 CE2 - CD2 - CG ANGL. DEV. = -6.0 DEGREES REMARK 500 TRP L 259 CG - CD2 - CE3 ANGL. DEV. = 5.7 DEGREES REMARK 500 TRP L 262 CD1 - CG - CD2 ANGL. DEV. = 6.6 DEGREES REMARK 500 TRP L 262 CE2 - CD2 - CG ANGL. DEV. = -5.9 DEGREES REMARK 500 TRP L 263 CD1 - CG - CD2 ANGL. DEV. = 6.1 DEGREES REMARK 500 TRP L 263 CE2 - CD2 - CG ANGL. DEV. = -5.9 DEGREES REMARK 500 TRP L 265 CD1 - CG - CD2 ANGL. DEV. = 5.6 DEGREES REMARK 500 TRP L 265 CE2 - CD2 - CG ANGL. DEV. = -5.6 DEGREES REMARK 500 TRP L 266 CD1 - CG - CD2 ANGL. DEV. = 6.2 DEGREES REMARK 500 TRP L 266 CE2 - CD2 - CG ANGL. DEV. = -5.8 DEGREES REMARK 500 GLU M 22 N - CA - C ANGL. DEV. = 21.4 DEGREES REMARK 500 TRP M 41 CD1 - CG - CD2 ANGL. DEV. = 6.5 DEGREES REMARK 500 TRP M 41 CE2 - CD2 - CG ANGL. DEV. = -6.2 DEGREES REMARK 500 TRP M 66 CD1 - CG - CD2 ANGL. DEV. = 6.5 DEGREES REMARK 500 TRP M 66 CE2 - CD2 - CG ANGL. DEV. = -6.0 DEGREES REMARK 500 TRP M 66 CG - CD2 - CE3 ANGL. DEV. = 5.5 DEGREES REMARK 500 TRP M 73 CD1 - CG - CD2 ANGL. DEV. = 5.8 DEGREES REMARK 500 TRP M 73 CE2 - CD2 - CG ANGL. DEV. = -5.6 DEGREES REMARK 500 TRP M 75 CD1 - CG - CD2 ANGL. DEV. = 6.0 DEGREES REMARK 500 TRP M 75 CE2 - CD2 - CG ANGL. DEV. = -5.9 DEGREES REMARK 500 TRP M 80 CD1 - CG - CD2 ANGL. DEV. = 6.0 DEGREES REMARK 500 TRP M 80 CE2 - CD2 - CG ANGL. DEV. = -5.6 DEGREES REMARK 500 LEU M 114 CA - CB - CG ANGL. DEV. = 14.8 DEGREES REMARK 500 TRP M 115 CD1 - CG - CD2 ANGL. DEV. = 6.2 DEGREES REMARK 500 TRP M 115 CE2 - CD2 - CG ANGL. DEV. = -5.6 DEGREES REMARK 500 TRP M 127 CD1 - CG - CD2 ANGL. DEV. = 5.3 DEGREES REMARK 500 REMARK 500 THIS ENTRY HAS 98 ANGLE DEVIATIONS. 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 GLU L 6 -74.10 65.07 REMARK 500 ARG L 10 39.56 -78.11 REMARK 500 THR L 15 104.19 60.32 REMARK 500 LEU L 21 -57.07 -29.06 REMARK 500 VAL L 31 -102.12 -95.28 REMARK 500 LEU L 71 -33.60 -22.10 REMARK 500 LYS L 82 45.80 -107.24 REMARK 500 TYR L 115 0.83 -41.95 REMARK 500 LEU L 133 -55.78 -122.01 REMARK 500 GLU L 201 80.77 -49.89 REMARK 500 LYS L 202 -94.24 57.72 REMARK 500 MET L 248 37.08 -91.79 REMARK 500 ILE L 249 -18.23 -143.27 REMARK 500 LEU L 269 -50.61 174.21 REMARK 500 PRO M 15 -178.16 -57.39 REMARK 500 MET M 20 102.39 74.34 REMARK 500 THR M 21 37.30 -99.03 REMARK 500 GLU M 22 -140.58 18.70 REMARK 500 VAL M 24 13.01 51.78 REMARK 500 ASN M 25 52.36 30.39 REMARK 500 ASN M 28 9.20 -159.57 REMARK 500 SER M 30 -43.33 88.16 REMARK 500 SER M 36 -80.85 -91.80 REMARK 500 LEU M 38 -96.32 -111.58 REMARK 500 LEU M 52 -12.43 51.01 REMARK 500 SER M 54 -71.23 25.94 REMARK 500 TRP M 80 129.47 173.61 REMARK 500 ASN M 81 149.05 -177.42 REMARK 500 PRO M 82 -142.44 -72.25 REMARK 500 ALA M 83 -90.87 43.31 REMARK 500 PRO M 96 -161.59 -57.72 REMARK 500 PRO M 97 86.92 -59.87 REMARK 500 PRO M 99 65.88 18.50 REMARK 500 TYR M 101 75.87 -116.75 REMARK 500 SER M 104 47.73 1.53 REMARK 500 PHE M 105 -42.41 36.64 REMARK 500 ALA M 106 119.74 -166.88 REMARK 500 LEU M 109 -70.13 -43.47 REMARK 500 GLU M 111 -21.68 168.54 REMARK 500 LYS M 144 -18.06 -35.87 REMARK 500 ALA M 147 36.10 -88.29 REMARK 500 PHE M 162 -66.64 -101.95 REMARK 500 ASN M 195 88.54 56.24 REMARK 500 ASP M 240 94.27 -166.89 REMARK 500 THR M 243 -52.75 -27.87 REMARK 500 SER M 287 76.98 -59.61 REMARK 500 ALA H 13 -82.81 44.03 REMARK 500 TYR H 30 33.24 -98.59 REMARK 500 LEU H 31 -94.29 -156.17 REMARK 500 GLN H 32 -78.61 -36.31 REMARK 500 REMARK 500 THIS ENTRY HAS 80 RAMACHANDRAN OUTLIERS. REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 LEU L 269 PRO L 270 92.80 REMARK 500 ASN M 81 PRO M 82 146.04 REMARK 500 PRO M 96 PRO M 97 146.22 REMARK 500 TYR H 40 PRO H 41 -52.29 REMARK 500 PHE H 56 PRO H 57 -56.42 REMARK 500 LEU H 58 PRO H 59 -142.07 REMARK 500 ARG H 83 PRO H 84 -114.16 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CHIRAL CENTERS REMARK 500 REMARK 500 UNEXPECTED CONFIGURATION OF THE FOLLOWING CHIRAL REMARK 500 CENTER(S) USING IMPROPER CA--C--CB--N CHIRALITY REMARK 500 FOR AMINO ACIDS AND C1'--O4'--N1(N9)--C2' FOR REMARK 500 NUCLEIC ACIDS OR EQUIVALENT ANGLE REMARK 500 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,A1,6X,F5.1,6X,A1,10X,A1,3X,A16) REMARK 500 REMARK 500 M RES CSSEQI IMPROPER EXPECTED FOUND DETAILS REMARK 500 LEU L 269 24.9 L L OUTSIDE RANGE REMARK 500 GLU M 22 22.3 L L OUTSIDE RANGE REMARK 500 TRP M 148 47.3 L L OUTSIDE RANGE REMARK 500 LEU H 31 46.9 L L OUTSIDE RANGE REMARK 500 GLU H 173 47.2 L L OUTSIDE RANGE REMARK 500 REMARK 500 REMARK: NULL

REMARK 610 REMARK 610 MISSING HETEROATOM REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 610 I=INSERTION CODE): REMARK 610 M RES C SSEQI REMARK 610 BCL M 1 REMARK 610 BCL L 4 REMARK 610 U10 M 303 REMARK 610 U10 L 272 REMARK 610 CRT M 304

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 BCL L 2 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS L 173 NE2 REMARK 620 2 BCL L 2 NA 81.9 REMARK 620 3 BCL L 2 NB 91.0 91.4 REMARK 620 4 BCL L 2 NC 100.1 177.5 90.0 REMARK 620 5 BCL L 2 ND 93.3 88.5 175.6 89.9 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 BCL L 4 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS L 153 NE2 REMARK 620 2 BCL L 4 NA 89.5 REMARK 620 3 BCL L 4 NB 101.3 90.7 REMARK 620 4 BCL L 4 NC 92.7 177.1 90.7 REMARK 620 5 BCL L 4 ND 85.6 89.0 173.1 89.2 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 BCL M 1 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS M 182 NE2 REMARK 620 2 BCL M 1 NA 94.5 REMARK 620 3 BCL M 1 NB 102.3 91.4 REMARK 620 4 BCL M 1 NC 87.6 176.9 90.4 REMARK 620 5 BCL M 1 ND 82.8 88.4 174.9 89.5 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 FE M 302 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS M 266 NE2 REMARK 620 2 GLU M 234 OE1 80.2 REMARK 620 3 HIS L 190 NE2 93.4 93.0 REMARK 620 4 GLU M 234 OE2 89.8 58.6 150.4 REMARK 620 5 HIS M 219 NE2 92.2 148.9 117.7 91.6 REMARK 620 6 HIS L 230 NE2 170.1 91.7 92.6 81.2 91.9 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 FE M 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BCL M 1 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BCL L 2 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BPH M 3 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BCL L 4 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BPH M 5 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BPH L 271 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE U10 M 303 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE U10 L 272 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CRT M 304

DBREF 1PST L 5 270 UNP P02954 RCEL_RHOSH 5 270 DBREF 1PST M 6 301 UNP P02953 RCEM_RHOSH 6 301 DBREF 1PST H 12 248 UNP P11846 RCEH_RHOSH 12 248

SEQADV 1PST LEU M 202 UNP P02953 HIS 202 CONFLICT

SEQRES 1 L 266 PHE GLU ARG LYS TYR ARG VAL PRO GLY GLY THR LEU VAL SEQRES 2 L 266 GLY GLY ASN LEU PHE ASP PHE TRP VAL GLY PRO PHE TYR SEQRES 3 L 266 VAL GLY PHE PHE GLY VAL ALA THR PHE PHE PHE ALA ALA SEQRES 4 L 266 LEU GLY ILE ILE LEU ILE ALA TRP SER ALA VAL LEU GLN SEQRES 5 L 266 GLY THR TRP ASN PRO GLN LEU ILE SER VAL TYR PRO PRO SEQRES 6 L 266 ALA LEU GLU TYR GLY LEU GLY GLY ALA PRO LEU ALA LYS SEQRES 7 L 266 GLY GLY LEU TRP GLN ILE ILE THR ILE CYS ALA THR GLY SEQRES 8 L 266 ALA PHE VAL SER TRP ALA LEU ARG GLU VAL GLU ILE CYS SEQRES 9 L 266 ARG LYS LEU GLY ILE GLY TYR HIS ILE PRO PHE ALA PHE SEQRES 10 L 266 ALA PHE ALA ILE LEU ALA TYR LEU THR LEU VAL LEU PHE SEQRES 11 L 266 ARG PRO VAL MET MET GLY ALA TRP GLY TYR ALA PHE PRO SEQRES 12 L 266 TYR GLY ILE TRP THR HIS LEU ASP TRP VAL SER ASN THR SEQRES 13 L 266 GLY TYR THR TYR GLY ASN PHE HIS TYR ASN PRO ALA HIS SEQRES 14 L 266 MET ILE ALA ILE SER PHE PHE PHE THR ASN ALA LEU ALA SEQRES 15 L 266 LEU ALA LEU HIS GLY ALA LEU VAL LEU SER ALA ALA ASN SEQRES 16 L 266 PRO GLU LYS GLY LYS GLU MET ARG THR PRO ASP HIS GLU SEQRES 17 L 266 ASP THR PHE PHE ARG ASP LEU VAL GLY TYR SER ILE GLY SEQRES 18 L 266 THR LEU GLY ILE HIS ARG LEU GLY LEU LEU LEU SER LEU SEQRES 19 L 266 SER ALA VAL PHE PHE SER ALA LEU CYS MET ILE ILE THR SEQRES 20 L 266 GLY THR ILE TRP PHE ASP GLN TRP VAL ASP TRP TRP GLN SEQRES 21 L 266 TRP TRP VAL LYS LEU PRO SEQRES 1 M 296 ILE PHE SER GLN VAL GLN VAL ARG GLY PRO ALA ASP LEU SEQRES 2 M 296 GLY MET THR GLU ASP VAL ASN LEU ALA ASN ARG SER GLY SEQRES 3 M 296 VAL GLY PRO PHE SER THR LEU LEU GLY TRP PHE GLY ASN SEQRES 4 M 296 ALA GLN LEU GLY PRO ILE TYR LEU GLY SER LEU GLY VAL SEQRES 5 M 296 LEU SER LEU PHE SER GLY LEU MET TRP PHE PHE THR ILE SEQRES 6 M 296 GLY ILE TRP PHE TRP TYR GLN ALA GLY TRP ASN PRO ALA SEQRES 7 M 296 VAL PHE LEU ARG ASP LEU PHE PHE PHE SER LEU GLU PRO SEQRES 8 M 296 PRO ALA PRO GLU TYR GLY LEU SER PHE ALA ALA PRO LEU SEQRES 9 M 296 LYS GLU GLY GLY LEU TRP LEU ILE ALA SER PHE PHE MET SEQRES 10 M 296 PHE VAL ALA VAL TRP SER TRP TRP GLY ARG THR TYR LEU SEQRES 11 M 296 ARG ALA GLN ALA LEU GLY MET GLY LYS HIS THR ALA TRP SEQRES 12 M 296 ALA PHE LEU SER ALA ILE TRP LEU TRP MET VAL LEU GLY SEQRES 13 M 296 PHE ILE ARG PRO ILE LEU MET GLY SER TRP SER GLU ALA SEQRES 14 M 296 VAL PRO TYR GLY ILE PHE SER HIS LEU ASP TRP THR ASN SEQRES 15 M 296 ASN PHE SER LEU VAL HIS GLY ASN LEU PHE TYR ASN PRO SEQRES 16 M 296 PHE LEU GLY LEU SER ILE ALA PHE LEU TYR GLY SER ALA SEQRES 17 M 296 LEU LEU PHE ALA MET HIS GLY ALA THR ILE LEU ALA VAL SEQRES 18 M 296 SER ARG PHE GLY GLY GLU ARG GLU LEU GLU GLN ILE ALA SEQRES 19 M 296 ASP ARG GLY THR ALA ALA GLU ARG ALA ALA LEU PHE TRP SEQRES 20 M 296 ARG TRP THR MET GLY PHE ASN ALA THR MET GLU GLY ILE SEQRES 21 M 296 HIS ARG TRP ALA ILE TRP MET ALA VAL LEU VAL THR LEU SEQRES 22 M 296 THR GLY GLY ILE GLY ILE LEU LEU SER GLY THR VAL VAL SEQRES 23 M 296 ASP ASN TRP TYR VAL TRP GLY GLN ASN HIS SEQRES 1 H 237 LEU ALA SER LEU ALA ILE TYR SER PHE TRP ILE PHE LEU SEQRES 2 H 237 ALA GLY LEU ILE TYR TYR LEU GLN THR GLU ASN MET ARG SEQRES 3 H 237 GLU GLY TYR PRO LEU GLU ASN GLU ASP GLY THR PRO ALA SEQRES 4 H 237 ALA ASN GLN GLY PRO PHE PRO LEU PRO LYS PRO LYS THR SEQRES 5 H 237 PHE ILE LEU PRO HIS GLY ARG GLY THR LEU THR VAL PRO SEQRES 6 H 237 GLY PRO GLU SER GLU ASP ARG PRO ILE ALA LEU ALA ARG SEQRES 7 H 237 THR ALA VAL SER GLU GLY PHE PRO HIS ALA PRO THR GLY SEQRES 8 H 237 ASP PRO MET LYS ASP GLY VAL GLY PRO ALA SER TRP VAL SEQRES 9 H 237 ALA ARG ARG ASP LEU PRO GLU LEU ASP GLY HIS GLY HIS SEQRES 10 H 237 ASN LYS ILE LYS PRO MET LYS ALA ALA ALA GLY PHE HIS SEQRES 11 H 237 VAL SER ALA GLY LYS ASN PRO ILE GLY LEU PRO VAL ARG SEQRES 12 H 237 GLY CYS ASP LEU GLU ILE ALA GLY LYS VAL VAL ASP ILE SEQRES 13 H 237 TRP VAL ASP ILE PRO GLU GLN MET ALA ARG PHE LEU GLU SEQRES 14 H 237 VAL GLU LEU LYS ASP GLY SER THR ARG LEU LEU PRO MET SEQRES 15 H 237 GLN MET VAL LYS VAL GLN SER ASN ARG VAL HIS VAL ASN SEQRES 16 H 237 ALA LEU SER SER ASP LEU PHE ALA GLY ILE PRO THR ILE SEQRES 17 H 237 LYS SER PRO THR GLU VAL THR LEU LEU GLU GLU ASP LYS SEQRES 18 H 237 ILE CYS GLY TYR VAL ALA GLY GLY LEU MET TYR ALA ALA SEQRES 19 H 237 PRO LYS ARG

HET FE M 302 1 HET BCL M 1 51 HET BCL L 2 66 HET BPH M 3 65 HET BCL L 4 51 HET BPH M 5 65 HET BPH L 271 65 HET U10 M 303 51 HET U10 L 272 41 HET CRT M 304 42

HETNAM FE FE (III) ION HETNAM BCL BACTERIOCHLOROPHYLL A HETNAM BPH BACTERIOPHEOPHYTIN A HETNAM U10 UBIQUINONE-10 HETNAM CRT SPIRILLOXANTHIN

HETSYN U10 COENZYME Q10 HETSYN CRT RHODOVIOLASCIN

FORMUL 4 FE FE 3+ FORMUL 5 BCL 3(C55 H74 MG N4 O6) FORMUL 7 BPH 3(C55 H76 N4 O6) FORMUL 11 U10 2(C59 H90 O4) FORMUL 13 CRT C42 H60 O2

HELIX 1 1 GLU L 6 ARG L 10 5 5 HELIX 2 2 GLY L 32 LEU L 55 1 24 HELIX 3 3 ALA L 70 GLY L 74 5 5 HELIX 4 4 PRO L 79 LYS L 82 5 4 HELIX 5 5 GLY L 83 GLY L 112 1 30 HELIX 6 6 TYR L 115 LEU L 133 1 19 HELIX 7 7 LEU L 133 GLY L 140 1 8 HELIX 8 8 ALA L 141 ALA L 145 5 5 HELIX 9 9 TRP L 151 TYR L 164 1 14 HELIX 10 10 GLY L 165 GLY L 165 5 1 HELIX 11 11 ASN L 166 TYR L 169 5 4 HELIX 12 12 ASN L 170 ASN L 199 1 30 HELIX 13 13 THR L 208 VAL L 220 1 13 HELIX 14 14 GLY L 225 THR L 251 1 27 HELIX 15 15 GLN L 258 TRP L 262 5 5 HELIX 16 16 TRP L 263 LYS L 268 1 6 HELIX 17 17 GLU M 22 LEU M 26 5 5 HELIX 18 18 LEU M 38 PHE M 42 5 5 HELIX 19 19 SER M 54 ALA M 78 1 25 HELIX 20 20 ALA M 83 LEU M 89 1 7 HELIX 21 21 GLY M 112 LEU M 140 1 29 HELIX 22 22 HIS M 145 PHE M 162 1 18 HELIX 23 23 PHE M 162 MET M 168 1 7 HELIX 24 24 SER M 170 ALA M 174 5 5 HELIX 25 25 GLY M 178 VAL M 192 1 15 HELIX 26 26 HIS M 193 GLY M 194 5 2 HELIX 27 27 ASN M 195 TYR M 198 5 4 HELIX 28 28 ASN M 199 VAL M 226 1 28 HELIX 29 29 SER M 227 GLY M 230 5 4 HELIX 30 30 ARG M 233 ASP M 240 1 8 HELIX 31 31 GLY M 242 GLY M 257 1 16 HELIX 32 32 GLU M 263 SER M 287 1 25 HELIX 33 33 ASN M 293 ASN M 300 1 8 HELIX 34 34 ALA H 13 LEU H 31 1 19 HELIX 35 35 LEU H 31 GLU H 38 1 8 HELIX 36 36 ASP H 103 GLY H 108 1 6 HELIX 37 37 VAL H 109 SER H 113 5 5 HELIX 38 38 LYS H 135 ALA H 137 5 3 HELIX 39 39 THR H 226 ALA H 244 1 19

SHEET 1 A 2 TRP L 25 VAL L 26 0 SHEET 2 A 2 PHE L 29 TYR L 30 -1 O PHE L 29 N VAL L 26 SHEET 1 B 2 LYS H 62 ILE H 65 0 SHEET 2 B 2 THR H 72 VAL H 75 -1 N LEU H 73 O PHE H 64 SHEET 1 C 2 LEU H 87 ARG H 89 0 SHEET 2 C 2 HIS H 98 PRO H 100 -1 N ALA H 99 O ALA H 88 SHEET 1 D 2 LEU H 123 ASP H 124 0 SHEET 2 D 2 HIS H 128 ASN H 129 -1 O HIS H 128 N ASP H 124 SHEET 1 E 4 THR H 188 PRO H 192 0 SHEET 2 E 4 MET H 175 GLU H 182 -1 O LEU H 179 N LEU H 191 SHEET 3 E 4 ILE H 160 ASP H 170 -1 O LYS H 163 N GLU H 182 SHEET 4 E 4 ILE H 131 PRO H 133 -1 O LYS H 132 N VAL H 169 SHEET 1 F 6 THR H 188 PRO H 192 0 SHEET 2 F 6 MET H 175 GLU H 182 -1 O LEU H 179 N LEU H 191 SHEET 3 F 6 ILE H 160 ASP H 170 -1 O LYS H 163 N GLU H 182 SHEET 4 F 6 PRO H 152 ARG H 154 -1 O VAL H 153 N ALA H 161 SHEET 5 F 6 VAL H 203 VAL H 205 1 O VAL H 203 N ARG H 154 SHEET 6 F 6 VAL H 196 VAL H 198 -1 N LYS H 197 O HIS H 204

LINK MG BCL L 2 NE2 HIS L 173 1555 1555 2.71 LINK MG BCL L 4 NE2 HIS L 153 1555 1555 2.60 LINK MG BCL M 1 NE2 HIS M 182 1555 1555 1.99 LINK FE FE M 302 NE2 HIS M 266 1555 1555 2.20 LINK FE FE M 302 OE1 GLU M 234 1555 1555 2.18 LINK FE FE M 302 NE2 HIS L 190 1555 1555 2.13 LINK FE FE M 302 OE2 GLU M 234 1555 1555 2.18 LINK FE FE M 302 NE2 HIS M 219 1555 1555 2.19 LINK FE FE M 302 NE2 HIS L 230 1555 1555 2.21

CISPEP 1 GLY M 48 PRO M 49 0 -4.46 CISPEP 2 ALA M 98 PRO M 99 0 22.02 CISPEP 3 VAL H 75 PRO H 76 0 15.11

SITE 1 AC1 5 HIS L 190 HIS L 230 HIS M 219 GLU M 234 SITE 2 AC1 5 HIS M 266 SITE 1 AC2 13 BCL L 2 HIS L 168 MET L 174 ILE L 177 SITE 2 AC2 13 SER L 178 THR L 182 BPH M 3 BPH M 5 SITE 3 AC2 13 MET M 122 ILE M 179 HIS M 182 THR M 186 SITE 4 AC2 13 CRT M 304 SITE 1 AC3 19 BCL L 4 PHE L 97 ALA L 127 TYR L 128 SITE 2 AC3 19 LEU L 131 VAL L 157 SER L 158 GLY L 161 SITE 3 AC3 19 PHE L 167 HIS L 168 HIS L 173 PHE L 180 SITE 4 AC3 19 SER L 244 CYS L 247 MET L 248 BPH L 271 SITE 5 AC3 19 BCL M 1 BPH M 3 U10 M 303 SITE 1 AC4 26 BCL L 2 BCL L 4 TYR L 162 PHE L 181 SITE 2 AC4 26 U10 L 272 BCL M 1 BPH M 5 MET M 122 SITE 3 AC4 26 PHE M 150 ALA M 153 LEU M 156 LEU M 160 SITE 4 AC4 26 THR M 186 ASN M 187 PHE M 189 SER M 190 SITE 5 AC4 26 LEU M 196 PHE M 197 LEU M 202 SER M 205 SITE 6 AC4 26 LEU M 209 TYR M 210 VAL M 276 THR M 277 SITE 7 AC4 26 GLY M 280 ILE M 284 SITE 1 AC5 12 BCL L 2 TYR L 128 LEU L 131 PHE L 146 SITE 2 AC5 12 HIS L 153 BPH L 271 BPH M 3 GLY M 203 SITE 3 AC5 12 ILE M 206 ALA M 207 TYR M 210 U10 M 303 SITE 1 AC6 15 PHE L 181 ALA L 184 LEU L 185 LEU L 189 SITE 2 AC6 15 U10 L 272 BCL M 1 BPH M 3 SER M 59 SITE 3 AC6 15 GLY M 63 VAL M 126 TRP M 129 ALA M 149 SITE 4 AC6 15 PHE M 150 ALA M 273 THR M 277 SITE 1 AC7 17 BCL L 2 BCL L 4 ALA L 96 PHE L 97 SITE 2 AC7 17 TRP L 100 GLU L 104 ILE L 117 ALA L 120 SITE 3 AC7 17 PHE L 121 ALA L 124 HIS L 153 LEU L 238 SITE 4 AC7 17 TYR M 210 ALA M 213 LEU M 214 MET M 256 SITE 5 AC7 17 U10 M 303 SITE 1 AC8 16 BCL L 2 BCL L 4 GLY L 35 TRP L 100 SITE 2 AC8 16 ARG L 103 BPH L 271 HIS M 219 THR M 222 SITE 3 AC8 16 ALA M 249 TRP M 252 MET M 256 PHE M 258 SITE 4 AC8 16 ALA M 260 ILE M 265 TRP M 268 MET M 272 SITE 1 AC9 15 THR L 182 HIS L 190 LEU L 193 GLU L 212 SITE 2 AC9 15 ASP L 213 PHE L 216 VAL L 220 SER L 223 SITE 3 AC9 15 ILE L 224 GLY L 225 THR L 226 ILE L 229 SITE 4 AC9 15 BPH M 3 BPH M 5 ILE M 50 SITE 1 BC1 14 BCL M 1 TRP M 66 PHE M 67 ILE M 70 SITE 2 BC1 14 GLY M 71 TRP M 75 LEU M 89 SER M 119 SITE 3 BC1 14 TRP M 157 GLY M 161 PHE M 162 VAL M 175 SITE 4 BC1 14 TYR M 177 HIS M 182

CRYST1 138.000 77.500 141.800 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 0.007246 0.000000 0.000000 0.00000

SCALE2 0.000000 0.012903 0.000000 0.00000

SCALE3 0.000000 0.000000 0.007052 0.00000