HEADER ELECTRON TRANSPORT 24-NOV-05 2C7J TITLE PHYCOERYTHROCYANIN FROM MASTIGOCLADUS LAMINOSUS, 295 K, 3.0 A CAVEAT 2C7J CYC A 1163 HAS WRONG CHIRALITY AT ATOM C2C CYC A 1163 HAS CAVEAT 2 2C7J WRONG CHIRALITY AT ATOM C3C COMPND MOL_ID: 1; COMPND 2 MOLECULE: PHYCOERYTHROCYANIN ALPHA CHAIN; COMPND 3 CHAIN: A; COMPND 4 MOL_ID: 2; COMPND 5 MOLECULE: PHYCOERYTHROCYANIN BETA CHAIN; COMPND 6 CHAIN: B SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MASTIGOCLADUS LAMINOSUS; SOURCE 3 ORGANISM_TAXID: 83541; SOURCE 4 STRAIN: FISCHERELLA PCC7603; SOURCE 5 MOL_ID: 2; SOURCE 6 ORGANISM_SCIENTIFIC: MASTIGOCLADUS LAMINOSUS; SOURCE 7 ORGANISM_TAXID: 83541; SOURCE 8 STRAIN: FISCHERELLA PCC7603 KEYWDS PHYCOERYTHROCYANIN, PHYCOVIOLOBILIN, PHYCOCYANOBILIN, BILE PIGMENT, KEYWDS 2 CHROMOPHORE, ELECTRON TRANSPORT, PHOTOSYNTHESIS, PHYCOBILISOME EXPDTA X-RAY DIFFRACTION AUTHOR M.SCHMIDT,A.KRASSELT,W.REUTER REVDAT 10 05-MAR-25 2C7J 1 CAVEAT COMPND SOURCE REMARK REVDAT 10 2 1 DBREF HET HETNAM FORMUL REVDAT 10 3 1 LINK ATOM REVDAT 9 23-OCT-24 2C7J 1 REMARK REVDAT 8 01-MAY-24 2C7J 1 REMARK REVDAT 7 08-MAY-19 2C7J 1 REMARK REVDAT 6 03-APR-19 2C7J 1 REMARK LINK REVDAT 5 28-JUN-17 2C7J 1 REMARK REVDAT 4 10-DEC-14 2C7J 1 TITLE KEYWDS JRNL REMARK REVDAT 4 2 1 VERSN FORMUL MASTER REVDAT 3 24-FEB-09 2C7J 1 VERSN REVDAT 2 28-JUN-06 2C7J 1 REMARK HET HETNAM FORMUL REVDAT 2 2 1 LINK SITE TER HETATM REVDAT 2 3 1 CONECT REVDAT 1 25-JAN-06 2C7J 0 JRNL AUTH M.SCHMIDT,A.KRASSELT,W.REUTER JRNL TITL LOCAL PROTEIN FLEXIBILITY AS A PREREQUISITE FOR REVERSIBLE JRNL TITL 2 CHROMOPHORE ISOMERIZATION IN ALFA- PHYCOERYTHROCYANIN JRNL REF BIOCHIM.BIOPHYS.ACTA V.1764 55 2006 JRNL REFN ISSN 0006-3002 JRNL PMID 16377266 JRNL DOI 10.1016/J.BBAPAP.2005.10.022 REMARK 2 REMARK 2 RESOLUTION. 3.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 3.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 51.30 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 10000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 83.0 REMARK 3 NUMBER OF REFLECTIONS : 9690 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 SET) : 0.189 REMARK 3 FREE R VALUE : 0.260 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 8.600 REMARK 3 FREE R VALUE TEST SET COUNT : 1001 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 : 8 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 3.00 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 3.14 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 48.10 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 613 REMARK 3 BIN R VALUE (WORKING SET) : 0.3010 REMARK 3 BIN FREE R VALUE : 0.3200 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.30 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 76 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 : 2534 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 129 REMARK 3 SOLVENT ATOMS : 149 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) : 3.78600 REMARK 3 B22 (A**2) : 3.78600 REMARK 3 B33 (A**2) : -7.57200 REMARK 3 B12 (A**2) : -8.47700 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.34 REMARK 3 ESD FROM SIGMAA (A) : 0.48 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.60 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.74 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.208 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 19.05 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.011 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 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : 0.27 REMARK 3 BSOL : 39.88 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 : PROTEIN.PARAM REMARK 3 PARAMETER FILE 2 : WATER.PARAM REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: CHROMOPHORES WERE ATTACHED TO CYSTEINS REMARK 3 WITH RESTRAINTS DERIVED FROM METHIONINE AND REFINED AS THEY WERE REMARK 3 REGULAR AMINO ACIDS. REMARK 4 REMARK 4 2C7J COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 24-NOV-05. REMARK 100 THE DEPOSITION ID IS D_1290026534. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 295.0 REMARK 200 PH : 7.90 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 : ENRAF-NONIUS FR591 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : SIEMENS, MULTIWIRE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : SAINT REMARK 200 DATA SCALING SOFTWARE : SAINT, SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 9690 REMARK 200 RESOLUTION RANGE HIGH (A) : 3.000 REMARK 200 RESOLUTION RANGE LOW (A) : 51.300 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 85.7 REMARK 200 DATA REDUNDANCY : 3.000 REMARK 200 R MERGE (I) : 0.13000 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 5.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 3.16 REMARK 200 COMPLETENESS FOR SHELL (%) : 61.2 REMARK 200 DATA REDUNDANCY IN SHELL : 1.50 REMARK 200 R MERGE FOR SHELL (I) : 0.33000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.200 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: BEAST REMARK 200 STARTING MODEL: SEE REMARK REMARK 200 REMARK 200 REMARK: PHYCOERYTHROCYANIN ALFA-BETA PUBLISHED BY DUERRING ET AL. REMARK 200 1992 WAS USED AS A SEARCH MODEL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 67.50 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.80 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 5% PEG 4000, 5 MM POTASSIUM PHOSPHATE, REMARK 280 PH 8.5, 4 DEG C, 4 MICRO-LITER OF 20 MG/ML PROTEIN, HANGING DROP, REMARK 280 PH 7.90, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 63 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z REMARK 290 3555 -X+Y,-X,Z REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+1/2 REMARK 290 6555 X-Y,X,Z+1/2 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 20.10000 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 20.10000 REMARK 290 SMTRY1 6 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 20.10000 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: HEXAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: HEXAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 25060 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 40250 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -217.1 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 350 BIOMT1 2 -0.500000 -0.866025 0.000000 78.37250 REMARK 350 BIOMT2 2 0.866025 -0.500000 0.000000 135.74515 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 -0.500000 0.866025 0.000000 -78.37250 REMARK 350 BIOMT2 3 -0.866025 -0.500000 0.000000 135.74515 REMARK 350 BIOMT3 3 0.000000 0.000000 1.000000 0.00000 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 ASN A 46 -81.39 -90.07 REMARK 500 ASN A 47 47.52 -84.73 REMARK 500 THR A 67 73.89 -110.98 REMARK 500 GLN A 68 -65.07 168.46 REMARK 500 GLN A 70 102.40 -49.49 REMARK 500 GLN A 73 27.41 -149.85 REMARK 500 ALA A 121 -38.17 -171.31 REMARK 500 THR A 143 -90.28 -44.26 REMARK 500 ARG B 63 78.83 -112.04 REMARK 500 HIS B 75 135.82 78.95 REMARK 500 CYS B 109 -50.20 -126.91 REMARK 500 LEU B 120 8.96 -165.23 REMARK 500 CYS B 153 57.00 -114.52 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 A2002 DISTANCE = 9.99 ANGSTROMS REMARK 525 HOH A2003 DISTANCE = 8.29 ANGSTROMS REMARK 525 HOH A2004 DISTANCE = 7.59 ANGSTROMS REMARK 525 HOH A2006 DISTANCE = 6.82 ANGSTROMS REMARK 525 HOH A2013 DISTANCE = 6.99 ANGSTROMS REMARK 525 HOH A2016 DISTANCE = 7.59 ANGSTROMS REMARK 525 HOH A2021 DISTANCE = 6.40 ANGSTROMS REMARK 525 HOH A2029 DISTANCE = 6.64 ANGSTROMS REMARK 525 HOH A2041 DISTANCE = 6.13 ANGSTROMS REMARK 525 HOH A2042 DISTANCE = 5.94 ANGSTROMS REMARK 525 HOH B2001 DISTANCE = 6.30 ANGSTROMS REMARK 525 HOH B2002 DISTANCE = 6.32 ANGSTROMS REMARK 525 HOH B2003 DISTANCE = 8.08 ANGSTROMS REMARK 525 HOH B2010 DISTANCE = 6.16 ANGSTROMS REMARK 525 HOH B2015 DISTANCE = 6.18 ANGSTROMS REMARK 525 HOH B2016 DISTANCE = 6.21 ANGSTROMS REMARK 525 HOH B2032 DISTANCE = 6.17 ANGSTROMS REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CYC A 1163 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CYC B 1173 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CYC B 1174 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2C7K RELATED DB: PDB REMARK 900 LAUE STRUCTURE OF PHYCOERYHTROCYANIN FROM MASTIGOCLADUS LAMINOSUS REMARK 900 RELATED ID: 2C7L RELATED DB: PDB REMARK 900 LOW TEMPERATURE STRUCTURE OF PHYCOERYTHROCYANIN FROM MASTIGOCLADUS REMARK 900 LAMINOSUS DBREF 2C7J A 1 162 UNP P00309 PHEA_MASLA 1 162 DBREF 2C7J B 1 172 UNP P00313 PHEB_MASLA 1 172 SEQRES 1 A 162 MET LYS THR PRO LEU THR GLU ALA ILE ALA ALA ALA ASP SEQRES 2 A 162 LEU ARG GLY SER TYR LEU SER ASN THR GLU LEU GLN ALA SEQRES 3 A 162 VAL PHE GLY ARG PHE ASN ARG ALA ARG ALA GLY LEU GLU SEQRES 4 A 162 ALA ALA ARG ALA PHE ALA ASN ASN GLY LYS LYS TRP ALA SEQRES 5 A 162 GLU ALA ALA ALA ASN HIS VAL TYR GLN LYS PHE PRO TYR SEQRES 6 A 162 THR THR GLN MET GLN GLY PRO GLN TYR ALA SER THR PRO SEQRES 7 A 162 GLU GLY LYS ALA LYS CYS VAL ARG ASP ILE ASP HIS TYR SEQRES 8 A 162 LEU ARG THR ILE SER TYR CYS CYS VAL VAL GLY GLY THR SEQRES 9 A 162 GLY PRO LEU ASP ASP TYR VAL VAL ALA GLY LEU LYS GLU SEQRES 10 A 162 PHE ASN SER ALA LEU GLY LEU SER PRO SER TRP TYR ILE SEQRES 11 A 162 ALA ALA LEU GLU PHE VAL ARG ASP ASN HIS GLY LEU THR SEQRES 12 A 162 GLY ASP VAL ALA GLY GLU ALA ASN THR TYR ILE ASN TYR SEQRES 13 A 162 ALA ILE ASN ALA LEU SER SEQRES 1 B 172 MET LEU ASP ALA PHE SER ARG VAL VAL GLU GLN ALA ASP SEQRES 2 B 172 LYS LYS GLY ALA TYR LEU SER ASN ASP GLU ILE ASN ALA SEQRES 3 B 172 LEU GLN ALA ILE VAL ALA ASP SER ASN LYS ARG LEU ASP SEQRES 4 B 172 VAL VAL ASN ARG LEU THR SER ASN ALA SER SER ILE VAL SEQRES 5 B 172 ALA ASN ALA TYR ARG ALA LEU VAL ALA GLU ARG PRO GLN SEQRES 6 B 172 VAL PHE ASN PRO GLY GLY PRO CYS PHE HIS HIS ARG ASN SEQRES 7 B 172 GLN ALA ALA CYS ILE ARG ASP LEU GLY PHE ILE LEU ARG SEQRES 8 B 172 TYR VAL THR TYR SER VAL LEU ALA GLY ASP THR SER VAL SEQRES 9 B 172 MET ASP ASP ARG CYS LEU ASN GLY LEU ARG GLU THR TYR SEQRES 10 B 172 GLN ALA LEU GLY THR PRO GLY ASP ALA VAL ALA SER GLY SEQRES 11 B 172 ILE LYS LYS MET LYS GLU ALA ALA LEU LYS ILE ALA ASN SEQRES 12 B 172 ASP PRO ASN GLY ILE THR LYS GLY ASP CYS SER GLN LEU SEQRES 13 B 172 MET SER GLU LEU ALA SER TYR PHE ASP ARG ALA ALA ALA SEQRES 14 B 172 ALA VAL ALA HET CYC A1163 43 HET CYC B1173 43 HET CYC B1174 43 HETNAM CYC PHYCOCYANOBILIN FORMUL 3 CYC 3(C33 H40 N4 O6) FORMUL 6 HOH *149(H2 O) HELIX 1 1 THR A 3 ARG A 15 1 13 HELIX 2 2 SER A 20 PHE A 31 1 12 HELIX 3 3 ARG A 33 GLY A 48 1 16 HELIX 4 4 GLY A 48 PHE A 63 1 16 HELIX 5 5 PRO A 64 THR A 67 5 4 HELIX 6 6 THR A 77 GLY A 102 1 26 HELIX 7 7 THR A 104 VAL A 111 1 8 HELIX 8 8 GLY A 114 SER A 120 1 7 HELIX 9 9 SER A 125 HIS A 140 1 16 HELIX 10 10 ASP A 145 SER A 162 1 18 HELIX 11 11 ASP B 3 LYS B 15 1 13 HELIX 12 12 SER B 20 ASP B 33 1 14 HELIX 13 13 ASP B 33 ASN B 47 1 15 HELIX 14 14 ASN B 47 ARG B 63 1 17 HELIX 15 15 PRO B 64 ASN B 68 5 5 HELIX 16 16 HIS B 75 GLY B 100 1 26 HELIX 17 17 THR B 102 CYS B 109 1 8 HELIX 18 18 GLY B 112 ALA B 119 1 8 HELIX 19 19 GLY B 124 ASN B 143 1 20 HELIX 20 20 CYS B 153 ALA B 170 1 18 LINK SG CYS A 84 CAC CYC A1163 1555 1555 1.74 LINK SG CYS B 82 CAC CYC B1173 1555 1555 1.75 LINK SG CYS B 153 CAC CYC B1174 1555 1555 1.72 SITE 1 AC1 20 THR A 66 PRO A 72 GLN A 73 TYR A 74 SITE 2 AC1 20 ALA A 75 LYS A 83 CYS A 84 ARG A 86 SITE 3 AC1 20 ASP A 87 PHE A 118 LEU A 122 LEU A 124 SITE 4 AC1 20 TRP A 128 TYR A 129 TYR B 56 ARG B 57 SITE 5 AC1 20 PHE B 74 HIS B 75 HIS B 76 GLN B 79 SITE 1 AC2 13 VAL B 66 CYS B 73 ARG B 77 ASN B 78 SITE 2 AC2 13 CYS B 82 ARG B 84 ASP B 85 LEU B 86 SITE 3 AC2 13 PHE B 88 ARG B 108 LEU B 113 VAL B 127 SITE 4 AC2 13 HOH B2080 SITE 1 AC3 18 GLN A 25 ASN B 35 LYS B 36 ASP B 39 SITE 2 AC3 18 VAL B 40 ALA B 142 ASN B 143 ILE B 148 SITE 3 AC3 18 THR B 149 LYS B 150 GLY B 151 ASP B 152 SITE 4 AC3 18 CYS B 153 SER B 154 SER B 158 ALA B 161 SITE 5 AC3 18 HOH B2024 HOH B2033 CRYST1 156.745 156.745 40.200 90.00 90.00 120.00 P 63 6 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 0.006380 0.003683 0.000000 0.00000 SCALE2 0.000000 0.007367 0.000000 0.00000 SCALE3 0.000000 0.000000 0.024876 0.00000