2G83	Signaling Protein	date	Mar 01, 2006
title	Structure Of Activated G-Alpha-I1 Bound To A Nucleotide-Stat Selective Peptide: Minimal Determinants For Recognizing The Form Of A G Protein Alpha Subunit
authors	C.A.Johnston, J.K.Ramer, R.Blaesius, B.Kuhlman, V.Y.Arshavsky, D.P.Siderovski
compound		source
Molecule: Guanine Nucleotide-Binding Protein G(I), Alpha-1 Chain: A, B Synonym: Adenylate Cyclase-Inhibiting G Alpha Protein Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Gnai1 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Ppro-Exhtb1
Molecule: Kb-1753 Phage Display Peptide Chain: C, D Engineered: Yes		Synthetic: Yes Other_details: Phage-Derived Peptide
symmetry	Space Group: P 32 2 1	R_factor 0.269 R_Free 0.300
crystal cell	length a length b length c angle alpha angle beta angle gamma 103.130 103.130 206.990 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.80 Å
ligand	ALF, GDP, MG	enzyme
Gene Ontology	Chain Function Process Component A, B
Primary reference	Minimal Determinants for Binding Activated Galpha from the Structure of a Galpha(i1)-Peptide Dimer(,)., Johnston CA, Lobanova ES, Shavkunov AS, Low J, Ramer JK, Blaesius R, Fredericks Z, Willard FS, Kuhlman B, Arshavsky VY, Siderovski DP, Biochemistry. 2006 Sep 26;45(38):11390-11400. PMID:16981699

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (113 Kb) [Save to disk] Biological Unit Coordinates (2g83.pdb1.gz) 53 Kb Biological Unit Coordinates (2g83.pdb2.gz) 54 Kb LPC: Ligand-Protein Contacts for 2G83 CSU: Contacts of Structural Units for 2G83 Likely Quarternary Molecular Structure file(s) for 2G83 Structure Factors (383 Kb) Retrieve 2G83 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2G83 from S2C, [Save to disk] Re-refined 2g83 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2G83 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 2G83

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 2G83, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2g83_B] [2g83_D] [2g83] [2g83_C] [2g83_A] SWISS-PROT database: [P63096] Domain organization of [GNAI1_HUMAN] by SWISSPFAM Domain found in 2G83: [G_alpha ] by SMART

Other resources with information on 2G83

Community annotation for 2G83 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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