3KQG	Immune System	date	Nov 17, 2009
title	Trimeric Structure Of Langerin
authors	H.Feinberg, A.S.Powlesland, M.E.Taylor, W.I.Weis
compound		source
Molecule: C-Type Lectin Domain Family 4 Member K Chain: A, B, C, D, E, F Fragment: Unp Residues 147-328 Synonym: Langerin Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Cd207, Clec4k Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21de3 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pt5t Expression Vector
symmetry	Space Group: P 1 21 1	R_factor 0.182 R_Free 0.239
crystal cell	length a length b length c angle alpha angle beta angle gamma 80.780 77.460 85.920 90.00 94.42 90.00
method	X-Ray Diffraction	resolution	2.30 Å
ligand	CA	enzyme
Primary reference	Trimeric structure of langerin., Feinberg H, Powlesland AS, Taylor ME, Weis WI, J Biol Chem. 2010 Apr 23;285(17):13285-93. Epub 2010 Feb 24. PMID:20181944

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (334 Kb) [Save to disk] Biological Unit Coordinates (3kqg.pdb1.gz) 166 Kb Biological Unit Coordinates (3kqg.pdb2.gz) 165 Kb LPC: Ligand-Protein Contacts for 3KQG CSU: Contacts of Structural Units for 3KQG Structure Factors (350 Kb) Retrieve 3KQG in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3KQG from S2C, [Save to disk] Re-refined 3kqg structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3KQG 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 3KQG

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 3KQG, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3kqg_E] [3kqg_A] [3kqg_C] [3kqg_F] [3kqg] [3kqg_D] [3kqg_B] SWISS-PROT database: Domain organization of by SWISSPFAM Domain found in 3KQG: [CLECT ] by SMART

Other resources with information on 3KQG

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

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