HEADER SIGNALING PROTEIN 29-MAY-19 6P58 TITLE DARK AND STEADY STATE-ILLUMINATED CRYSTAL STRUCTURE OF TITLE 2 CYANOBACTERIOCHROME RECEPTOR PIXJ AT 150K COMPND MOL_ID: 1; COMPND 2 MOLECULE: METHYL-ACCEPTING CHEMOTAXIS PROTEIN; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: GAF DOMAIN; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: THERMOSYNECHOCOCCUS ELONGATUS (STRAIN BP-1); SOURCE 3 ORGANISM_TAXID: 197221; SOURCE 4 STRAIN: BP-1; SOURCE 5 GENE: TLL0569; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS PHYTOCHROME, BILIN, LIGHT-SENSING, TEMPERATURE-SCAN, SIGNALING KEYWDS 2 PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR J.A.CLINGER,M.D.MILLER,E.S.BUIRGIE,R.D.VIERSTRA,G.N.PHILLIPS JR. REVDAT 4 11-OCT-23 6P58 1 HETSYN LINK REVDAT 3 22-JAN-20 6P58 1 JRNL REVDAT 2 01-JAN-20 6P58 1 JRNL REVDAT 1 18-DEC-19 6P58 0 JRNL AUTH E.S.BURGIE,J.A.CLINGER,M.D.MILLER,A.S.BREWSTER,P.ALLER, JRNL AUTH 2 A.BUTRYN,F.D.FULLER,S.GUL,I.D.YOUNG,C.C.PHAM,I.S.KIM, JRNL AUTH 3 A.BHOWMICK,L.J.O'RIORDAN,K.D.SUTHERLIN,J.V.HEINEMANN, JRNL AUTH 4 A.BATYUK,R.ALONSO-MORI,M.S.HUNTER,J.E.KOGLIN,J.YANO, JRNL AUTH 5 V.K.YACHANDRA,N.K.SAUTER,A.E.COHEN,J.KERN,A.M.ORVILLE, JRNL AUTH 6 G.N.PHILLIPS JR.,R.D.VIERSTRA JRNL TITL PHOTOREVERSIBLE INTERCONVERSION OF A PHYTOCHROME JRNL TITL 2 PHOTOSENSORY MODULE IN THE CRYSTALLINE STATE. JRNL REF PROC.NATL.ACAD.SCI.USA V. 117 300 2020 JRNL REFN ESSN 1091-6490 JRNL PMID 31852825 JRNL DOI 10.1073/PNAS.1912041116 REMARK 2 REMARK 2 RESOLUTION. 1.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 33.83 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.330 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 3 NUMBER OF REFLECTIONS : 48093 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.161 REMARK 3 R VALUE (WORKING SET) : 0.159 REMARK 3 FREE R VALUE : 0.196 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.060 REMARK 3 FREE R VALUE TEST SET COUNT : 2435 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 33.8368 - 3.8530 1.00 2918 135 0.1747 0.2137 REMARK 3 2 3.8530 - 3.0588 0.99 2759 141 0.1359 0.1725 REMARK 3 3 3.0588 - 2.6724 1.00 2726 156 0.1373 0.1696 REMARK 3 4 2.6724 - 2.4281 1.00 2716 138 0.1378 0.1736 REMARK 3 5 2.4281 - 2.2541 1.00 2704 147 0.1322 0.1569 REMARK 3 6 2.2541 - 2.1212 1.00 2689 149 0.1288 0.1831 REMARK 3 7 2.1212 - 2.0150 1.00 2686 148 0.1285 0.1752 REMARK 3 8 2.0150 - 1.9273 0.97 2615 139 0.1447 0.1737 REMARK 3 9 1.9273 - 1.8531 0.99 2658 149 0.1698 0.2020 REMARK 3 10 1.8531 - 1.7892 1.00 2660 140 0.1766 0.2147 REMARK 3 11 1.7892 - 1.7332 1.00 2675 156 0.1874 0.2061 REMARK 3 12 1.7332 - 1.6837 1.00 2659 135 0.1960 0.2292 REMARK 3 13 1.6837 - 1.6394 1.00 2652 141 0.2135 0.2589 REMARK 3 14 1.6394 - 1.5994 1.00 2655 142 0.2256 0.2789 REMARK 3 15 1.5994 - 1.5630 1.00 2658 141 0.2541 0.2775 REMARK 3 16 1.5630 - 1.5298 1.00 2658 142 0.2659 0.3102 REMARK 3 17 1.5298 - 1.4992 0.97 2570 136 0.2891 0.3330 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL 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) : 0.180 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 19.270 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 25.99 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 : NULL NULL REMARK 3 ANGLE : NULL NULL REMARK 3 CHIRALITY : NULL NULL REMARK 3 PLANARITY : NULL NULL REMARK 3 DIHEDRAL : NULL NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL 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 6P58 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 30-MAY-19. REMARK 100 THE DEPOSITION ID IS D_1000241898. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 24-MAR-19 REMARK 200 TEMPERATURE (KELVIN) : 150 REMARK 200 PH : 7.5 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) : 0.9919 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER X 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DIALS REMARK 200 DATA SCALING SOFTWARE : AIMLESS 0.7.4 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 48186 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.500 REMARK 200 RESOLUTION RANGE LOW (A) : 33.800 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : 6.600 REMARK 200 R MERGE (I) : 0.11300 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 8.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.50 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.54 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 6.80 REMARK 200 R MERGE FOR SHELL (I) : 1.54500 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 (%): 42.81 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.15 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 100MM HEPES PH 7.5, 18% W/V PEG 3350, REMARK 280 200MM MGCL2, LIQUID DIFFUSION, TEMPERATURE 298K 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 20.80900 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 58.07400 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 30.52600 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 58.07400 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 20.80900 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 30.52600 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 2500 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 14180 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -32.0 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 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 ARG A 486 CG CD NE CZ NH1 NH2 REMARK 470 GLN A 568 CD OE1 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 B 702 O HOH B 707 1.92 REMARK 500 O HOH B 701 O HOH B 753 2.00 REMARK 500 O HOH B 701 O HOH B 770 2.07 REMARK 500 O HOH B 810 O HOH B 823 2.08 REMARK 500 O HOH B 811 O HOH B 833 2.08 REMARK 500 O HOH A 783 O HOH A 839 2.09 REMARK 500 OE1 GLN B 509 O HOH B 701 2.10 REMARK 500 O HOH B 701 O HOH B 776 2.13 REMARK 500 O HOH A 794 O HOH B 787 2.15 REMARK 500 O HOH A 788 O HOH A 831 2.15 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 ASP A 466 -169.85 -102.08 REMARK 500 HIS A 498 -35.33 -134.00 REMARK 500 LYS A 531 96.01 74.08 REMARK 500 ASP B 487 -2.25 78.23 REMARK 500 HIS B 498 -34.47 -134.59 REMARK 500 GLU B 557 112.56 178.91 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 A 846 DISTANCE = 5.82 ANGSTROMS 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 MG A 602 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 581 O REMARK 620 2 HIS A 584 O 86.7 REMARK 620 3 HOH A 717 O 93.4 176.9 REMARK 620 4 HOH A 723 O 168.7 84.5 95.1 REMARK 620 5 HOH A 732 O 88.3 91.3 85.6 84.9 REMARK 620 6 HOH A 757 O 93.5 93.9 89.1 94.2 174.5 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 603 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 701 O REMARK 620 2 HOH A 707 O 75.9 REMARK 620 3 HOH A 735 O 83.1 84.0 REMARK 620 4 HOH A 821 O 171.6 95.8 96.6 REMARK 620 5 HOH B 706 O 93.2 153.2 70.3 94.6 REMARK 620 6 HOH B 729 O 89.7 108.0 164.1 92.6 96.1 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 603 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 713 O REMARK 620 2 HOH A 728 O 85.6 REMARK 620 3 HOH A 832 O 90.9 87.7 REMARK 620 4 HOH B 739 O 85.7 88.9 175.3 REMARK 620 5 HOH B 766 O 83.4 166.6 100.1 82.7 REMARK 620 6 HOH B 797 O 166.3 107.3 94.1 89.9 83.1 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 604 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU B 581 O REMARK 620 2 HIS B 584 O 82.1 REMARK 620 3 HOH B 709 O 91.2 86.4 REMARK 620 4 HOH B 749 O 97.0 177.2 90.9 REMARK 620 5 HOH B 759 O 168.0 88.4 95.5 92.8 REMARK 620 6 HOH B 783 O 85.4 95.8 175.6 86.8 88.3 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 MG A 602 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue MG A 603 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue EDO B 602 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue MG B 603 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue MG B 604 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue EDO B 605 DBREF 6P58 A 435 584 UNP Q8DLC7 Q8DLC7_THEEB 435 584 DBREF 6P58 B 435 584 UNP Q8DLC7 Q8DLC7_THEEB 435 584 SEQADV 6P58 ALA A 555 UNP Q8DLC7 CYS 555 ENGINEERED MUTATION SEQADV 6P58 ALA B 555 UNP Q8DLC7 CYS 555 ENGINEERED MUTATION SEQRES 1 A 150 SER GLU LEU ARG ASP ARG GLN ALA ILE PHE GLU THR LEU SEQRES 2 A 150 VAL ALA LYS GLY ARG GLU LEU LEU ALA CYS ASP ARG VAL SEQRES 3 A 150 ILE VAL TYR ALA PHE ASP ASP ASN TYR VAL GLY THR VAL SEQRES 4 A 150 VAL ALA GLU SER VAL ALA GLU GLY TRP PRO GLN ALA ARG SEQRES 5 A 150 ASP GLN VAL ILE GLU ASP PRO CYS PHE ARG GLU HIS TRP SEQRES 6 A 150 VAL GLU ALA TYR ARG GLN GLY ARG ILE GLN ALA THR THR SEQRES 7 A 150 ASP ILE PHE LYS ALA GLY LEU THR GLU CYS HIS LEU ASN SEQRES 8 A 150 GLN LEU ARG PRO LEU LYS VAL ARG ALA ASN LEU VAL VAL SEQRES 9 A 150 PRO MET VAL ILE ASP ASP GLN LEU PHE GLY LEU LEU ILE SEQRES 10 A 150 ALA HIS GLN ALA SER GLU PRO ARG GLN TRP GLN GLU ILE SEQRES 11 A 150 GLU ILE ASP GLN PHE SER GLU LEU ALA SER THR GLY SER SEQRES 12 A 150 LEU VAL LEU GLU ARG LEU HIS SEQRES 1 B 150 SER GLU LEU ARG ASP ARG GLN ALA ILE PHE GLU THR LEU SEQRES 2 B 150 VAL ALA LYS GLY ARG GLU LEU LEU ALA CYS ASP ARG VAL SEQRES 3 B 150 ILE VAL TYR ALA PHE ASP ASP ASN TYR VAL GLY THR VAL SEQRES 4 B 150 VAL ALA GLU SER VAL ALA GLU GLY TRP PRO GLN ALA ARG SEQRES 5 B 150 ASP GLN VAL ILE GLU ASP PRO CYS PHE ARG GLU HIS TRP SEQRES 6 B 150 VAL GLU ALA TYR ARG GLN GLY ARG ILE GLN ALA THR THR SEQRES 7 B 150 ASP ILE PHE LYS ALA GLY LEU THR GLU CYS HIS LEU ASN SEQRES 8 B 150 GLN LEU ARG PRO LEU LYS VAL ARG ALA ASN LEU VAL VAL SEQRES 9 B 150 PRO MET VAL ILE ASP ASP GLN LEU PHE GLY LEU LEU ILE SEQRES 10 B 150 ALA HIS GLN ALA SER GLU PRO ARG GLN TRP GLN GLU ILE SEQRES 11 B 150 GLU ILE ASP GLN PHE SER GLU LEU ALA SER THR GLY SER SEQRES 12 B 150 LEU VAL LEU GLU ARG LEU HIS HET VRB A 601 81 HET MG A 602 1 HET MG A 603 1 HET VRB B 601 81 HET EDO B 602 10 HET MG B 603 1 HET MG B 604 1 HET EDO B 605 10 HETNAM VRB PHYCOVIOLOBILIN, BLUE LIGHT-ABSORBING FORM HETNAM MG MAGNESIUM ION HETNAM EDO 1,2-ETHANEDIOL HETSYN VRB 3-[5-[(3-ETHYL-4-METHYL-5-OXIDANYLIDENE-1,2- HETSYN 2 VRB DIHYDROPYRROL-2-YL)METHYL]-2-[[5-[(Z)-(4-ETHYL-3- HETSYN 3 VRB METHYL-5-OXIDANYLIDENE-PYR ROL-2-YLIDENE)METHYL]-3-(3- HETSYN 4 VRB HYDROXY-3-OXOPROPYL)-4-METHYL-1H-PYRROL-2-YL]METHYL]- HETSYN 5 VRB 4-METHYL-1H-PYRROL-3-YL]PROPANOIC ACID HETSYN EDO ETHYLENE GLYCOL FORMUL 3 VRB 2(C33 H42 N4 O6) FORMUL 4 MG 4(MG 2+) FORMUL 7 EDO 2(C2 H6 O2) FORMUL 11 HOH *293(H2 O) HELIX 1 AA1 SER A 435 ALA A 456 1 22 HELIX 2 AA2 PRO A 493 TRP A 499 1 7 HELIX 3 AA3 TRP A 499 GLN A 505 1 7 HELIX 4 AA4 ASP A 513 ALA A 517 5 5 HELIX 5 AA5 THR A 520 ARG A 528 1 9 HELIX 6 AA6 GLN A 562 HIS A 584 1 23 HELIX 7 AA7 GLU B 436 ALA B 456 1 21 HELIX 8 AA8 PRO B 493 HIS B 498 1 6 HELIX 9 AA9 TRP B 499 GLN B 505 1 7 HELIX 10 AB1 ASP B 513 ALA B 517 5 5 HELIX 11 AB2 THR B 520 ARG B 528 1 9 HELIX 12 AB3 GLN B 562 HIS B 584 1 23 SHEET 1 AA1 6 VAL A 489 ILE A 490 0 SHEET 2 AA1 6 GLY A 471 VAL A 478 -1 N GLY A 471 O ILE A 490 SHEET 3 AA1 6 ARG A 459 PHE A 465 -1 N ALA A 464 O THR A 472 SHEET 4 AA1 6 GLN A 545 GLN A 554 -1 O LEU A 549 N TYR A 463 SHEET 5 AA1 6 ALA A 534 ILE A 542 -1 N VAL A 538 O LEU A 550 SHEET 6 AA1 6 GLN A 509 THR A 511 -1 N GLN A 509 O VAL A 537 SHEET 1 AA2 6 VAL B 489 ILE B 490 0 SHEET 2 AA2 6 GLY B 471 VAL B 478 -1 N GLY B 471 O ILE B 490 SHEET 3 AA2 6 ARG B 459 PHE B 465 -1 N ALA B 464 O THR B 472 SHEET 4 AA2 6 GLN B 545 ALA B 555 -1 O HIS B 553 N ARG B 459 SHEET 5 AA2 6 VAL B 532 ILE B 542 -1 N VAL B 538 O LEU B 550 SHEET 6 AA2 6 GLN B 509 THR B 511 -1 N GLN B 509 O VAL B 537 LINK SG CYS A 494 C16 VRB A 601 1555 1555 1.81 LINK SG CYS A 522 C02 VRB A 601 1555 1555 1.74 LINK SG CYS B 494 C16 VRB B 601 1555 1555 1.82 LINK SG CYS B 522 C02 VRB B 601 1555 1555 1.80 LINK O GLU A 581 MG MG A 602 1555 1555 2.04 LINK O HIS A 584 MG MG A 602 1555 1555 1.98 LINK MG MG A 602 O HOH A 717 1555 1555 2.00 LINK MG MG A 602 O HOH A 723 1555 1555 2.17 LINK MG MG A 602 O HOH A 732 1555 1655 2.15 LINK MG MG A 602 O AHOH A 757 1555 1555 2.05 LINK MG MG A 603 O HOH A 701 1555 1555 2.23 LINK MG MG A 603 O HOH A 707 1555 1555 2.04 LINK MG MG A 603 O HOH A 735 1555 1555 2.24 LINK MG MG A 603 O HOH A 821 1555 1555 2.07 LINK MG MG A 603 O HOH B 706 1555 3555 2.11 LINK MG MG A 603 O HOH B 729 1555 1555 2.03 LINK O HOH A 713 MG MG B 603 1655 1555 2.06 LINK O HOH A 728 MG MG B 603 1655 1555 1.97 LINK O HOH A 832 MG MG B 603 1555 1555 2.02 LINK O GLU B 581 MG MG B 604 1555 1555 2.05 LINK O HIS B 584 MG MG B 604 1555 1555 2.05 LINK MG MG B 603 O HOH B 739 1555 1555 2.09 LINK MG MG B 603 O HOH B 766 1555 1555 2.15 LINK MG MG B 603 O HOH B 797 1555 1555 2.00 LINK MG MG B 604 O HOH B 709 1555 1555 2.16 LINK MG MG B 604 O HOH B 749 1555 1555 2.00 LINK MG MG B 604 O HOH B 759 1555 1555 2.00 LINK MG MG B 604 O HOH B 783 1555 1555 2.32 SITE 1 AC1 6 GLU A 581 HIS A 584 HOH A 717 HOH A 723 SITE 2 AC1 6 HOH A 732 HOH A 757 SITE 1 AC2 7 HOH A 701 HOH A 707 HOH A 735 HOH A 821 SITE 2 AC2 7 GLN B 505 HOH B 706 HOH B 729 SITE 1 AC3 3 THR B 511 HIS B 523 ASN B 535 SITE 1 AC4 6 HOH A 713 HOH A 728 HOH A 832 HOH B 739 SITE 2 AC4 6 HOH B 766 HOH B 797 SITE 1 AC5 6 GLU B 581 HIS B 584 HOH B 709 HOH B 749 SITE 2 AC5 6 HOH B 759 HOH B 783 SITE 1 AC6 2 THR B 512 TRP B 561 CRYST1 41.618 61.052 116.148 90.00 90.00 90.00 P 21 21 21 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 0.024028 0.000000 0.000000 0.00000 SCALE2 0.000000 0.016380 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008610 0.00000