HEADER SIGNALING PROTEIN 01-NOV-19 6UVB TITLE CRYSTAL STRUCTURE OF FAR-RED-LIGHT ABSORBING CYANOBACTERIOCHROME AT TITLE 2 100K COMPND MOL_ID: 1; COMPND 2 MOLECULE: MULTI-SENSOR SIGNAL TRANSDUCTION HISTIDINE KINASE; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ANABAENA CYLINDRICA (STRAIN ATCC 27899 / PCC SOURCE 3 7122); SOURCE 4 ORGANISM_TAXID: 272123; SOURCE 5 STRAIN: ATCC 27899 / PCC 7122; SOURCE 6 GENE: ANACY_2551; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS PHOTORECEPTOR, BILIN-BINDING PROTEIN, SIGNALING PROTEIN, FAR-RED KEYWDS 2 LIGHT EXPDTA X-RAY DIFFRACTION AUTHOR X.YANG,Z.REN,S.BANDARA REVDAT 3 11-OCT-23 6UVB 1 REMARK REVDAT 2 21-APR-21 6UVB 1 JRNL REVDAT 1 04-NOV-20 6UVB 0 JRNL AUTH S.BANDARA,N.C.ROCKWELL,X.ZENG,Z.REN,C.WANG,H.SHIN, JRNL AUTH 2 S.S.MARTIN,M.V.MORENO,J.C.LAGARIAS,X.YANG JRNL TITL CRYSTAL STRUCTURE OF A FAR-RED-SENSING CYANOBACTERIOCHROME JRNL TITL 2 REVEALS AN ATYPICAL BILIN CONFORMATION AND SPECTRAL TUNING JRNL TITL 3 MECHANISM. JRNL REF PROC.NATL.ACAD.SCI.USA V. 118 2021 JRNL REFN ESSN 1091-6490 JRNL PMID 33727422 JRNL DOI 10.1073/PNAS.2025094118 REMARK 2 REMARK 2 RESOLUTION. 3.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.10.1_2155 REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 3.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 39.70 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.370 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.8 REMARK 3 NUMBER OF REFLECTIONS : 8599 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.239 REMARK 3 R VALUE (WORKING SET) : 0.237 REMARK 3 FREE R VALUE : 0.290 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.770 REMARK 3 FREE R VALUE TEST SET COUNT : 410 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 39.7030 - 6.4552 0.95 872 41 0.1811 0.2518 REMARK 3 2 6.4552 - 5.1272 1.00 849 49 0.2385 0.2390 REMARK 3 3 5.1272 - 4.4801 1.00 838 38 0.1984 0.2335 REMARK 3 4 4.4801 - 4.0709 1.00 820 42 0.2423 0.3481 REMARK 3 5 4.0709 - 3.7794 1.00 822 36 0.2941 0.4563 REMARK 3 6 3.7794 - 3.5567 0.99 809 45 0.2842 0.3250 REMARK 3 7 3.5567 - 3.3787 0.95 769 31 0.3391 0.3371 REMARK 3 8 3.3787 - 3.2317 1.00 812 49 0.2829 0.3470 REMARK 3 9 3.2317 - 3.1073 1.00 792 39 0.3059 0.2978 REMARK 3 10 3.1073 - 3.0001 1.00 806 40 0.3705 0.3381 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.360 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 29.820 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 98.98 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 152.0 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.012 1578 REMARK 3 ANGLE : 1.493 2147 REMARK 3 CHIRALITY : 0.060 238 REMARK 3 PLANARITY : 0.006 271 REMARK 3 DIHEDRAL : 23.529 933 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: CHAIN A REMARK 3 ORIGIN FOR THE GROUP (A): 20.5860 46.1580 20.0684 REMARK 3 T TENSOR REMARK 3 T11: 0.9487 T22: 1.5565 REMARK 3 T33: 0.6364 T12: 0.5958 REMARK 3 T13: 0.2503 T23: 0.2045 REMARK 3 L TENSOR REMARK 3 L11: 16.2429 L22: 6.1754 REMARK 3 L33: 5.4430 L12: -6.2559 REMARK 3 L13: 5.0248 L23: 1.1519 REMARK 3 S TENSOR REMARK 3 S11: -1.5483 S12: -2.3993 S13: -1.3054 REMARK 3 S21: 1.4403 S22: 1.4488 S23: 0.5055 REMARK 3 S31: 0.1988 S32: -0.1882 S33: 0.0717 REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 6UVB COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 05-NOV-19. REMARK 100 THE DEPOSITION ID IS D_1000245257. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 05-NOV-18 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 21-ID-D REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9787 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER2 X 9M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 9394 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.900 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.9 REMARK 200 DATA REDUNDANCY : 6.700 REMARK 200 R MERGE (I) : 0.08000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 10.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.95 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 6.50 REMARK 200 R MERGE FOR SHELL (I) : 1.68800 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHENIX REMARK 200 STARTING MODEL: 4GLQ REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 73.31 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.61 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: THE PROTEIN SOLUTION (3 MG/ML) IS REMARK 280 MIXED WITH THE CRYSTALLIZATION SOLUTION (17% PEG 10000, 0.1 M REMARK 280 AMMONIUM ACETATE, 0.1 M BIS-TRIS PH 5.5 WITH YTTRIUM(III) REMARK 280 CHLORIDE AS AN ADDITIVE) IN A 1:1 RATIO, VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 288K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 42 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z REMARK 290 3555 -Y,X,Z+1/2 REMARK 290 4555 Y,-X,Z+1/2 REMARK 290 5555 -X,Y,-Z REMARK 290 6555 X,-Y,-Z REMARK 290 7555 Y,X,-Z+1/2 REMARK 290 8555 -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 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 34.34850 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 34.34850 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 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 34.34850 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 34.34850 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: 5120 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 18640 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -54.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A 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 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 34.34850 REMARK 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 HIS A 1022 REMARK 465 HIS A 1023 REMARK 465 HIS A 1024 REMARK 465 HIS A 1025 REMARK 465 HIS A 1026 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 GLU A 919 CB GLU A 919 CG 0.114 REMARK 500 GLN A1003 CG GLN A1003 CD 0.143 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 GLN A1003 CA - CB - CG ANGL. DEV. = 13.6 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 SER A 857 -73.42 -57.63 REMARK 500 SER A 892 134.73 -171.44 REMARK 500 ASN A 908 -1.94 68.96 REMARK 500 TRP A 911 152.77 171.57 REMARK 500 GLN A 926 4.98 -68.69 REMARK 500 LEU A 944 60.24 -67.66 REMARK 500 GLU A 964 97.02 -64.05 REMARK 500 GLU A 967 -134.09 66.04 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 VAL A 899 SER A 900 148.69 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 6UV8 RELATED DB: PDB REMARK 900 PDB ENTRIES FOR THE SAME CITATION DBREF 6UVB A 840 1018 UNP K9ZI18 K9ZI18_ANACC 840 1018 SEQADV 6UVB MET A 839 UNP K9ZI18 INITIATING METHIONINE SEQADV 6UVB LEU A 1019 UNP K9ZI18 EXPRESSION TAG SEQADV 6UVB GLU A 1020 UNP K9ZI18 EXPRESSION TAG SEQADV 6UVB HIS A 1021 UNP K9ZI18 EXPRESSION TAG SEQADV 6UVB HIS A 1022 UNP K9ZI18 EXPRESSION TAG SEQADV 6UVB HIS A 1023 UNP K9ZI18 EXPRESSION TAG SEQADV 6UVB HIS A 1024 UNP K9ZI18 EXPRESSION TAG SEQADV 6UVB HIS A 1025 UNP K9ZI18 EXPRESSION TAG SEQADV 6UVB HIS A 1026 UNP K9ZI18 EXPRESSION TAG SEQRES 1 A 188 MET LEU GLN LEU GLN ARG GLN LYS ILE ILE GLN ASP ILE SEQRES 2 A 188 THR GLN GLN ILE ARG SER THR LEU ASN VAL ASN HIS ILE SEQRES 3 A 188 LEU ALA THR VAL THR GLN GLN VAL LYS GLU LEU MET GLN SEQRES 4 A 188 VAL GLU ARG VAL ILE ILE PHE ARG LEU PHE PRO ASN GLY SEQRES 5 A 188 ARG SER GLN ILE VAL GLU GLU VAL VAL SER SER GLU TYR SEQRES 6 A 188 ALA ALA LEU LYS ASN TYR HIS TRP GLU ASP GLU LYS TRP SEQRES 7 A 188 SER GLN GLU ILE LEU ASP CYS TYR TRP GLN GLY LYS PRO SEQRES 8 A 188 ARG ILE VAL PRO ASP VAL ILE ASN ASP ILE TRP THR SER SEQRES 9 A 188 CYS LEU VAL GLU TYR THR THR GLN GLY ASN ILE GLN SER SEQRES 10 A 188 LYS ILE VAL ALA PRO ILE LEU GLN GLU LEU GLY GLU ASN SEQRES 11 A 188 GLU THR GLY ARG TRP VAL SER SER GLU HIS LYS GLN LYS SEQRES 12 A 188 LEU TRP GLY VAL LEU VAL VAL HIS ALA CYS SER THR LYS SEQRES 13 A 188 ARG VAL TRP GLU GLU ASP GLU ALA GLN LEU LEU GLN GLN SEQRES 14 A 188 ILE ALA ASN GLN LEU ALA ILE ALA ILE GLN GLN LEU GLU SEQRES 15 A 188 HIS HIS HIS HIS HIS HIS HET CYC A1900 43 HETNAM CYC PHYCOCYANOBILIN FORMUL 2 CYC C33 H40 N4 O6 FORMUL 3 HOH *4(H2 O) HELIX 1 AA1 MET A 839 GLN A 843 5 5 HELIX 2 AA2 ARG A 844 ASN A 860 1 17 HELIX 3 AA3 ASN A 860 GLN A 877 1 18 HELIX 4 AA4 SER A 917 GLN A 926 1 10 HELIX 5 AA5 ASP A 934 ASP A 938 5 5 HELIX 6 AA6 LEU A 944 ASN A 952 1 9 HELIX 7 AA7 GLU A 998 LEU A 1019 1 22 SHEET 1 AA1 6 HIS A 910 TRP A 911 0 SHEET 2 AA1 6 SER A 892 VAL A 899 -1 N SER A 892 O TRP A 911 SHEET 3 AA1 6 ARG A 880 LEU A 886 -1 N ARG A 885 O GLN A 893 SHEET 4 AA1 6 GLN A 980 ALA A 990 -1 O VAL A 985 N PHE A 884 SHEET 5 AA1 6 SER A 955 GLN A 963 -1 N SER A 955 O ALA A 990 SHEET 6 AA1 6 ARG A 930 VAL A 932 -1 N VAL A 932 O LYS A 956 SHEET 1 AA2 5 HIS A 910 TRP A 911 0 SHEET 2 AA2 5 SER A 892 VAL A 899 -1 N SER A 892 O TRP A 911 SHEET 3 AA2 5 ARG A 880 LEU A 886 -1 N ARG A 885 O GLN A 893 SHEET 4 AA2 5 GLN A 980 ALA A 990 -1 O VAL A 985 N PHE A 884 SHEET 5 AA2 5 VAL A 974 SER A 975 -1 N SER A 975 O GLN A 980 LINK SG CYS A 943 CAC CYC A1900 1555 1555 1.67 CRYST1 108.788 108.788 68.697 90.00 90.00 90.00 P 42 2 2 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 0.009192 0.000000 0.000000 0.00000 SCALE2 0.000000 0.009192 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014557 0.00000