2BYC	Signaling Protein	date	Jul 29, 2005
title	Blrb - A Bluf Protein, Dark State Structure
authors	A.Jung, T.Domratcheva, M.Tarutina, Q.Wu, W.H.Ko, R.L.Shoeman, M.Go K.H.Gardner, I.Schlichting
compound		source
Molecule: Blue-Light Receptor Of The Bluf-Family Chain: A, B Synonym: Blrb, Blue Light Sensing Engineered: Yes		Organism_scientific: Rhodobacter Sphaeroides Organism_taxid: 1063 Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Phis-Gb1-Parallel1
symmetry	Space Group: P 21 21 21	R_factor 0.232 R_Free 0.288
crystal cell	length a length b length c angle alpha angle beta angle gamma 36.600 65.000 106.900 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.9 Å
ligand	FMN	enzyme
Gene Ontology	Chain Function Process Component A, B
Primary reference	Structure of a bacterial BLUF photoreceptor: insights into blue light-mediated signal transduction., Jung A, Domratcheva T, Tarutina M, Wu Q, Ko WH, Shoeman RL, Gomelsky M, Gardner KH, Schlichting I, Proc Natl Acad Sci U S A. 2005 Aug 30;102(35):12350-5. Epub 2005 Aug 17. PMID:16107542

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (53 Kb) [Save to disk] Biological Unit Coordinates (2byc.pdb1.gz) 25 Kb Biological Unit Coordinates (2byc.pdb2.gz) 24 Kb LPC: Ligand-Protein Contacts for 2BYC CSU: Contacts of Structural Units for 2BYC Likely Quarternary Molecular Structure file(s) for 2BYC Structure Factors (152 Kb) Retrieve 2BYC in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2BYC from S2C, [Save to disk] Re-refined 2byc structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2BYC in 3D

Proteopedia, because life has more than 2D. On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure. On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.

Visual 3D analysis of 2BYC

Ramachandran plot from PDBSum

Structure-derived information

Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 2BYC, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2byc_B] [2byc] [2byc_A] SWISS-PROT database: Domain organization of by SWISSPFAM Domain found in 2BYC: [BLUF ] by SMART

Other resources with information on 2BYC

Community annotation for 2BYC at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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