1B9X	Signaling Protein	date	Feb 16, 1999
title	Structural Analysis Of Phosducin And Its Phosphorylation-Reg Interaction With Transducin
authors	R.Gaudet, P.B.Sigler
compound		source
Molecule: Protein (Transducin) Chain: A Fragment: Lys-C Resistant Fragment, The Beta Subunit Synonym: Gt Beta		Organism_scientific: Bos Taurus Organism_common: Cattle Organism_taxid: 9913 Organ: Eye Tissue: Retina Cellular_location: Rod Outer Segments Other_details: Purified From Bovine Rod Outer Segments
Molecule: Protein (Transducin) Chain: B Fragment: Lys-C Resistant Fragment, The Gamma Subunit Cleav Residue 68; Synonym: Gt Gamma		Organism_scientific: Bos Taurus Organism_common: Cattle Organism_taxid: 9913 Organ: Eye Tissue: Retina Cellular_location: Rod Outer Segments Other_details: Purified From Bovine Rod Outer Segments
Molecule: Protein (Phosducin) Chain: C Synonym: Meka, Pp33 Engineered: Yes Mutation: Yes		Organism_scientific: Rattus Norvegicus Organism_common: Norway Rat Organism_taxid: 10116 Collection: 63147 Organ: Pineal Gland, Retina Cellular_location: Cytosolic Gene: Rat Pdc Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_vector: Pet15b Expression_system_plasmid: Pet15bs73e Expression_system_gene: Rat Pdc Other_details: N-Terminal Extension Of The Sequence Mgsshhhhhhssglvprgsh.
symmetry	Space Group: P 21 21 21	R_factor 0.217 R_Free 0.261
crystal cell	length a length b length c angle alpha angle beta angle gamma 76.040 89.330 100.150 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	3.00 Å
ligand	GD	enzyme
related structures	by homologous chain: 1B9Y
Gene Ontology	Chain Function Process Component A B C
Primary reference	A molecular mechanism for the phosphorylation-dependent regulation of heterotrimeric G proteins by phosducin., Gaudet R, Savage JR, McLaughlin JN, Willardson BM, Sigler PB, Mol Cell 1999 May;3(5):649-60. PMID:10360181

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (91 Kb) [Save to disk] Biological Unit Coordinates (1b9x.pdb1.gz) 85 Kb LPC: Ligand-Protein Contacts for 1B9X CSU: Contacts of Structural Units for 1B9X Likely Quarternary Molecular Structure file(s) for 1B9X Structure Factors (106 Kb) Retrieve 1B9X in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1B9X from S2C, [Save to disk] Re-refined 1b9x structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1B9X 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 1B9X

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 1B9X, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1b9xa_, region A [Jmol] [rasmolscript] [script source]     - Domain d1b9xb_, region B [Jmol] [rasmolscript] [script source]     - Domain d1b9xc_, region C [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1b9x_C] [1b9x_A] [1b9x_B] [1b9x] SWISS-PROT database: [P62871] [P02698] [P20942] Domain organization of [GBB1_BOVIN] [GBG1_BOVIN] [PHOS_RAT] by SWISSPFAM Domains found in 1B9X: [GGL] [G_gamma] [WD40 ] by SMART

Other resources with information on 1B9X

Community annotation for 1B9X at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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