HEADER PHOTOSYNTHESIS 21-JUL-10 3O18 TITLE CRYSTAL STRUCTURE OF C-PHYCOCYANIN FROM THEMOSYNECHOCOCCUS VULCANUS AT TITLE 2 1.35 ANGSTROMS RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: C-PHYCOCYANIN ALPHA SUBUNIT; COMPND 3 CHAIN: A; COMPND 4 MOL_ID: 2; COMPND 5 MOLECULE: C-PHYCOCYANIN BETA SUBUNIT; COMPND 6 CHAIN: B SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: THERMOSYNECHOCOCCUS VULCANUS; SOURCE 3 ORGANISM_COMMON: SYNECHOCOCCUS VULCANUS; SOURCE 4 ORGANISM_TAXID: 32053; SOURCE 5 MOL_ID: 2; SOURCE 6 ORGANISM_SCIENTIFIC: THERMOSYNECHOCOCCUS VULCANUS; SOURCE 7 ORGANISM_COMMON: SYNECHOCOCCUS VULCANUS; SOURCE 8 ORGANISM_TAXID: 32053 KEYWDS PHYCOBILISOME, PHOTOSYNTHESIS, LIGHT HARVESTING, CYANOBACTERIA EXPDTA X-RAY DIFFRACTION AUTHOR A.MARX,L.DAVID,N.ADIR REVDAT 3 06-SEP-23 3O18 1 REMARK LINK REVDAT 2 12-JAN-11 3O18 1 JRNL REVDAT 1 03-NOV-10 3O18 0 JRNL AUTH L.DAVID,A.MARX,N.ADIR JRNL TITL HIGH-RESOLUTION CRYSTAL STRUCTURES OF TRIMERIC AND ROD JRNL TITL 2 PHYCOCYANIN. JRNL REF J.MOL.BIOL. V. 405 201 2011 JRNL REFN ISSN 0022-2836 JRNL PMID 21035460 JRNL DOI 10.1016/J.JMB.2010.10.036 REMARK 2 REMARK 2 RESOLUTION. 1.35 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) : 1.35 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 27.23 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 98.9 REMARK 3 NUMBER OF REFLECTIONS : 86029 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) : 0.210 REMARK 3 FREE R VALUE : 0.226 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 4325 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 : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.35 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.39 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 92.90 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 5639 REMARK 3 BIN R VALUE (WORKING SET) : 0.2860 REMARK 3 BIN FREE R VALUE : 0.2980 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 324 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 : 2500 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 129 REMARK 3 SOLVENT ATOMS : 401 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 20.87 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.69000 REMARK 3 B22 (A**2) : -0.69000 REMARK 3 B33 (A**2) : 1.04000 REMARK 3 B12 (A**2) : -0.35000 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) : 0.19 REMARK 3 ESD FROM SIGMAA (A) : 0.15 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) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.014 REMARK 3 BOND ANGLES (DEGREES) : NULL REMARK 3 DIHEDRAL ANGLES (DEGREES) : 19.24 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.226 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 : MASK REMARK 3 KSOL : NULL REMARK 3 BSOL : 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: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS U VALUES : REFINED INDIVIDUALLY REMARK 4 REMARK 4 3O18 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 21-JUL-10. REMARK 100 THE DEPOSITION ID IS D_1000060536. 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 : 8 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID23-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97950 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 : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 86032 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.350 REMARK 200 RESOLUTION RANGE LOW (A) : 93.404 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.0 REMARK 200 DATA REDUNDANCY : 8.600 REMARK 200 R MERGE (I) : 0.08600 REMARK 200 R SYM (I) : 0.08600 REMARK 200 FOR THE DATA SET : 13.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.35 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.42 REMARK 200 COMPLETENESS FOR SHELL (%) : 95.6 REMARK 200 DATA REDUNDANCY IN SHELL : 5.40 REMARK 200 R MERGE FOR SHELL (I) : 0.43600 REMARK 200 R SYM FOR SHELL (I) : 0.43600 REMARK 200 FOR SHELL : 1.700 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: PDB ENTRY 1KTP REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 56.30 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.81 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.8M AMMONIUM SULFATE, 10.5% SUCROSE, REMARK 280 50MM TRIS , VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K, PH 8 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3 2 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 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z REMARK 290 6555 -X,-X+Y,-Z REMARK 290 7555 X+2/3,Y+1/3,Z+1/3 REMARK 290 8555 -Y+2/3,X-Y+1/3,Z+1/3 REMARK 290 9555 -X+Y+2/3,-X+1/3,Z+1/3 REMARK 290 10555 Y+2/3,X+1/3,-Z+1/3 REMARK 290 11555 X-Y+2/3,-Y+1/3,-Z+1/3 REMARK 290 12555 -X+2/3,-X+Y+1/3,-Z+1/3 REMARK 290 13555 X+1/3,Y+2/3,Z+2/3 REMARK 290 14555 -Y+1/3,X-Y+2/3,Z+2/3 REMARK 290 15555 -X+Y+1/3,-X+2/3,Z+2/3 REMARK 290 16555 Y+1/3,X+2/3,-Z+2/3 REMARK 290 17555 X-Y+1/3,-Y+2/3,-Z+2/3 REMARK 290 18555 -X+1/3,-X+Y+2/3,-Z+2/3 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 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 0.00000 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 0.00000 REMARK 290 SMTRY1 7 1.000000 0.000000 0.000000 93.40350 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 53.92654 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 19.94067 REMARK 290 SMTRY1 8 -0.500000 -0.866025 0.000000 93.40350 REMARK 290 SMTRY2 8 0.866025 -0.500000 0.000000 53.92654 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 19.94067 REMARK 290 SMTRY1 9 -0.500000 0.866025 0.000000 93.40350 REMARK 290 SMTRY2 9 -0.866025 -0.500000 0.000000 53.92654 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 19.94067 REMARK 290 SMTRY1 10 -0.500000 0.866025 0.000000 93.40350 REMARK 290 SMTRY2 10 0.866025 0.500000 0.000000 53.92654 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 19.94067 REMARK 290 SMTRY1 11 1.000000 0.000000 0.000000 93.40350 REMARK 290 SMTRY2 11 0.000000 -1.000000 0.000000 53.92654 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 19.94067 REMARK 290 SMTRY1 12 -0.500000 -0.866025 0.000000 93.40350 REMARK 290 SMTRY2 12 -0.866025 0.500000 0.000000 53.92654 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 19.94067 REMARK 290 SMTRY1 13 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 13 0.000000 1.000000 0.000000 107.85307 REMARK 290 SMTRY3 13 0.000000 0.000000 1.000000 39.88133 REMARK 290 SMTRY1 14 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 14 0.866025 -0.500000 0.000000 107.85307 REMARK 290 SMTRY3 14 0.000000 0.000000 1.000000 39.88133 REMARK 290 SMTRY1 15 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 15 -0.866025 -0.500000 0.000000 107.85307 REMARK 290 SMTRY3 15 0.000000 0.000000 1.000000 39.88133 REMARK 290 SMTRY1 16 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 16 0.866025 0.500000 0.000000 107.85307 REMARK 290 SMTRY3 16 0.000000 0.000000 -1.000000 39.88133 REMARK 290 SMTRY1 17 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 17 0.000000 -1.000000 0.000000 107.85307 REMARK 290 SMTRY3 17 0.000000 0.000000 -1.000000 39.88133 REMARK 290 SMTRY1 18 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 18 -0.866025 0.500000 0.000000 107.85307 REMARK 290 SMTRY3 18 0.000000 0.000000 -1.000000 39.88133 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 300 REMARK: THE PHYCOCYANIN HEXAMER IS PART OF A LARGER MULTICOMPONENT REMARK 300 COMPLEX CALLED THE PHYCOBILISOME. 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: 24250 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 39770 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -237.0 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 350 BIOMT1 2 -0.500000 -0.866025 0.000000 0.00000 REMARK 350 BIOMT2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 350 BIOMT2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 350 BIOMT3 3 0.000000 0.000000 1.000000 0.00000 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 A 228 O HOH A 389 2.13 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 THR B 77 147.51 86.81 REMARK 500 CYS B 111 -65.91 -144.54 REMARK 500 REMARK 500 REMARK: NULL 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 484 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CYC B 584 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CYC B 555 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1KTP RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF C-PHYCOCYANIN FROM THEMOSYNECHOCOCCUS VULCANUS REMARK 900 RELATED ID: 1ON7 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF C-PHYCOCYANIN FROM THEMOSYNECHOCOCCUS VULCANUS REMARK 900 RELATED ID: 1I7Y RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF C-PHYCOCYANIN FROM THEMOSYNECHOCOCCUS VULCANUS DBREF 3O18 A 1 174 UNP Q9AM02 Q9AM02_THEVL 1 162 DBREF 3O18 B 1 174 UNP Q71RW8 Q71RW8_THEVL 1 172 SEQRES 1 A 162 MET LYS THR PRO ILE THR GLU ALA ILE ALA ALA ALA ASP SEQRES 2 A 162 THR GLN GLY ARG PHE LEU SER ASN THR GLU LEU GLN ALA SEQRES 3 A 162 VAL ASP GLY ARG PHE LYS ARG ALA VAL ALA SER MET GLU SEQRES 4 A 162 ALA ALA ARG ALA LEU THR ASN ASN ALA GLN SER LEU ILE SEQRES 5 A 162 ASP GLY ALA ALA GLN ALA VAL TYR GLN LYS PHE PRO TYR SEQRES 6 A 162 THR THR THR MET GLN GLY SER GLN TYR ALA SER THR PRO SEQRES 7 A 162 GLU GLY LYS ALA LYS CYS ALA ARG ASP ILE GLY TYR TYR SEQRES 8 A 162 LEU ARG MET ILE THR TYR CYS LEU VAL ALA GLY GLY THR SEQRES 9 A 162 GLY PRO MET ASP GLU TYR LEU ILE ALA GLY LEU SER GLU SEQRES 10 A 162 ILE ASN SER THR PHE ASP LEU SER PRO SER TRP TYR ILE SEQRES 11 A 162 GLU ALA LEU LYS TYR ILE LYS ALA ASN HIS GLY LEU THR SEQRES 12 A 162 GLY GLN ALA ALA VAL GLU ALA ASN ALA TYR ILE ASP TYR SEQRES 13 A 162 ALA ILE ASN ALA LEU SER SEQRES 1 B 172 MET LEU ASP ALA PHE ALA LYS VAL VAL ALA GLN ALA ASP SEQRES 2 B 172 ALA ARG GLY GLU PHE LEU THR ASN ALA GLN PHE ASP ALA SEQRES 3 B 172 LEU SER ASN LEU VAL LYS GLU GLY ASN LYS ARG LEU ASP SEQRES 4 B 172 ALA VAL ASN ARG ILE THR SER ASN ALA SER THR ILE VAL SEQRES 5 B 172 ALA ASN ALA ALA ARG ALA LEU PHE ALA GLU GLN PRO GLN SEQRES 6 B 172 LEU ILE GLN PRO GLY GLY MEN ALA TYR THR ASN ARG ARG SEQRES 7 B 172 MET ALA ALA CYS LEU ARG ASP MET GLU ILE ILE LEU ARG SEQRES 8 B 172 TYR VAL THR TYR ALA ILE LEU ALA GLY ASP SER SER VAL SEQRES 9 B 172 LEU ASP ASP ARG CYS LEU ASN GLY LEU ARG GLU THR TYR SEQRES 10 B 172 GLN ALA LEU GLY THR PRO GLY SER SER VAL ALA VAL ALA SEQRES 11 B 172 ILE GLN LYS MET LYS ASP ALA ALA ILE ALA ILE ALA ASN SEQRES 12 B 172 ASP PRO ASN GLY ILE THR PRO GLY ASP CYS SER ALA LEU SEQRES 13 B 172 MET SER GLU ILE ALA GLY TYR PHE ASP ARG ALA ALA ALA SEQRES 14 B 172 ALA VAL ALA MODRES 3O18 MEN B 72 ASN N-METHYL ASPARAGINE HET MEN B 72 9 HET CYC A 484 43 HET CYC B 584 43 HET CYC B 555 43 HETNAM MEN N-METHYL ASPARAGINE HETNAM CYC PHYCOCYANOBILIN FORMUL 2 MEN C5 H10 N2 O3 FORMUL 3 CYC 3(C33 H40 N4 O6) FORMUL 6 HOH *401(H2 O) HELIX 1 1 THR A 3 GLN A 15 1 13 HELIX 2 2 SER A 20 ASN A 47 1 28 HELIX 3 3 ASN A 47 PHE A 63 1 17 HELIX 4 4 PRO A 64 THR A 68 5 5 HELIX 5 5 THR A 77 GLY A 102 1 26 HELIX 6 6 THR A 104 LEU A 111 1 8 HELIX 7 7 GLY A 114 PHE A 122 1 9 HELIX 8 8 SER A 125 HIS A 140 1 16 HELIX 9 9 THR A 145 SER A 174 1 20 HELIX 10 10 ASP B 3 ARG B 15 1 13 HELIX 11 11 THR B 20 GLU B 33 1 14 HELIX 12 12 GLU B 33 ASN B 47 1 15 HELIX 13 13 ASN B 47 GLN B 63 1 17 HELIX 14 14 PRO B 64 ILE B 67 5 4 HELIX 15 15 THR B 77 GLY B 102 1 26 HELIX 16 16 SER B 104 CYS B 111 1 8 HELIX 17 17 GLY B 114 GLY B 123 1 10 HELIX 18 18 PRO B 125 ASN B 145 1 21 HELIX 19 19 CYS B 155 ALA B 174 1 20 LINK SG CYS A 84 CAC CYC A 484 1555 1555 1.81 LINK C GLY B 71 N MEN B 72 1555 1555 1.27 LINK C MEN B 72 N ALA B 75 1555 1555 1.33 LINK SG CYS B 84 CAC CYC B 584 1555 1555 1.83 LINK SG CYS B 155 CAC CYC B 555 1555 1555 1.81 SITE 1 AC1 25 VAL A 59 THR A 66 SER A 72 GLN A 73 SITE 2 AC1 25 TYR A 74 ALA A 75 LYS A 83 CYS A 84 SITE 3 AC1 25 ARG A 86 ASP A 87 TYR A 90 TYR A 110 SITE 4 AC1 25 LEU A 124 TRP A 128 TYR A 129 HOH A 186 SITE 5 AC1 25 HOH A 192 HOH A 195 HOH A 279 HOH A 313 SITE 6 AC1 25 ARG B 57 TYR B 76 THR B 77 ASN B 78 SITE 7 AC1 25 HOH B 185 SITE 1 AC2 19 MEN B 72 ALA B 75 ARG B 79 ARG B 80 SITE 2 AC2 19 ALA B 83 CYS B 84 ARG B 86 ASP B 87 SITE 3 AC2 19 MET B 88 ILE B 90 TYR B 94 ARG B 110 SITE 4 AC2 19 LEU B 115 LEU B 122 THR B 124 SER B 128 SITE 5 AC2 19 HOH B 220 HOH B 234 HOH B 354 SITE 1 AC3 20 LEU A 24 ASP A 28 ARG A 33 GLN A 147 SITE 2 AC3 20 ASN B 35 LEU B 38 ASP B 39 ALA B 144 SITE 3 AC3 20 ASN B 145 ASP B 146 ILE B 150 THR B 151 SITE 4 AC3 20 PRO B 152 GLY B 153 CYS B 155 HOH B 212 SITE 5 AC3 20 HOH B 285 HOH B 328 HOH B 335 HOH B 390 CRYST1 186.807 186.807 59.822 90.00 90.00 120.00 H 3 2 18 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 0.005353 0.003091 0.000000 0.00000 SCALE2 0.000000 0.006181 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016716 0.00000