3K81	Immune System, Rna Binding Protein	date	Oct 13, 2009
title	Structure Of The Central Interaction Protein From The Trypan Brucei Editosome In Complex With Single Domain Antibodies
authors	Y.J.Park, W.Hol
compound		source
Molecule: Mp18 Rna Editing Complex Protein Chain: C, D Fragment: Krepa6 Engineered: Yes		Organism_scientific: Trypanosoma Brucei Organism_taxid: 5691 Gene: Krepa6, Tb10.70.2090 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21de3 Expression_system_vector_type: Plasmid Expression_system_plasmid: Prsf
Molecule: Single Strand Antibody Vhh Domain Chain: A, B Fragment: Single Domain Antibody Vhh Engineered: Yes		Organism_scientific: Lama Glama Organism_taxid: 9844 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21de3 Expression_system_vector_type: Plasmid Expression_system_plasmid: Prsf
symmetry	Space Group: C 1 2 1	R_factor 0.267 R_Free 0.320
crystal cell	length a length b length c angle alpha angle beta angle gamma 80.030 68.605 93.335 90.00 102.23 90.00
method	X-Ray Diffraction	resolution	3.40 Å
Gene Ontology	Chain Function Process Component D, C endonuclease activity
Primary reference	Structures of a key interaction protein from the Trypanosoma brucei editosome in complex with single domain antibodies., Wu M, Park YJ, Pardon E, Turley S, Hayhurst A, Deng J, Steyaert J, Hol WG, J Struct Biol. 2010 Oct 20. PMID:20969962

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (143 Kb) [Save to disk] Biological Unit Coordinates (3k81.pdb1.gz) 137 Kb CSU: Contacts of Structural Units for 3K81 Structure Factors (105 Kb) Retrieve 3K81 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3K81 from S2C, [Save to disk] Re-refined 3k81 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

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Visual 3D analysis of 3K81

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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 3K81, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3k81_A] [3k81_B] [3k81_D] [3k81_C] [3k81] SWISS-PROT database: Domain organization of by SWISSPFAM Domain found in 3K81: [IGv ] by SMART

Other resources with information on 3K81

Community annotation for 3K81 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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