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 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) : 1.23 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. 3.20, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 21-JUL-10. REMARK 100 THE RCSB ID CODE IS RCSB060536. 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 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 REMARK 900 VULCANUS REMARK 900 RELATED ID: 1ON7 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF C-PHYCOCYANIN FROM THEMOSYNECHOCOCCUS REMARK 900 VULCANUS REMARK 900 RELATED ID: 1I7Y RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF C-PHYCOCYANIN FROM THEMOSYNECHOCOCCUS REMARK 900 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 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 155 CAC CYC B 555 1555 1555 1.81 LINK SG CYS A 84 CAC CYC A 484 1555 1555 1.81 LINK SG CYS B 84 CAC CYC B 584 1555 1555 1.83 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 MASTER 331 0 4 19 0 0 17 6 0 0 0 27 END