1B6U	Killer Cell Inhibitory Receptor	date	Jan 18, 1999
title	Crystal Structure Of The Human Killer Cell Inhibitory Recept (Kir2dl3) Specific For Hla-Cw3 Related Alleles
authors	K.Maenaka, T.Juji, D.I.Stuart, E.Y.Jones
compound		source
Molecule: P58 Killer Cell Inhibitory Receptor Chain: A Fragment: Extracellular Region Synonym: Kir2dl3 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Cell_line: Bl21 Cell: Natural Killer Cell Cellular_location: Cell Surface Gene: Nkat2 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21 Plyss Expression_system_cellular_location: Media And Periplasmic Expression_system_vector_type: Plasmid Expression_system_vector: Escherichia Coli Expression_system_plasmid: Pkmathnk2 Expression_system_gene: Nkat2 Other_details: Cloning By Pcr
symmetry	Space Group: P 65 2 2	R_factor 0.248 R_Free 0.320
crystal cell	length a length b length c angle alpha angle beta angle gamma 95.400 95.400 130.800 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	3.00 Å
related structures	by homologous chain: 1EFX
Primary reference	Crystal structure of the human p58 killer cell inhibitory receptor (KIR2DL3) specific for HLA-Cw3-related MHC class I., Maenaka K, Juji T, Stuart DI, Jones EY, Structure Fold Des 1999 Apr 15;7(4):391-8. PMID:10196125

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (36 Kb) [Save to disk] Biological Unit Coordinates (1b6u.pdb1.gz) 63 Kb CSU: Contacts of Structural Units for 1B6U Likely Quarternary Molecular Structure file(s) for 1B6U Structure Factors (58 Kb) Retrieve 1B6U in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1B6U from S2C, [Save to disk] Re-refined 1b6u structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1B6U 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 1B6U

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 1B6U, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1b6u_2, region 104-203 [Jmol] [rasmolscript] [script source]     - Domain d1b6u_1, region 5-103 [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: [1b6u_A] [1b6u] SWISS-PROT database: [P43628] Domain organization of [KI2L3_HUMAN] by SWISSPFAM Domains found in 1B6U: [IG] [IG_like ] by SMART

Other resources with information on 1B6U

Community annotation for 1B6U at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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