1KCG	Immune System	date	Nov 08, 2001
title	Nkg2d In Complex With Ulbp3
authors	S.Radaev, P.Sun
compound		source
Molecule: Nkg2-D Type II Integral Membrane Protein Chain: A, B Synonym: Activating Nk Receptor Nkg2d Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Ulbp3 Protein Chain: C Synonym: Class I Mhc-Like Molecule Ulbp3 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 43 21 2	R_factor 0.220 R_Free 0.268
crystal cell	length a length b length c angle alpha angle beta angle gamma 62.050 62.050 237.310 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.60 Å
ligand	GSH	enzyme
related structures	by homologous chain: 1HYR, 1MPU
Gene Ontology	Chain Function Process Component A, B
Primary reference	Conformational plasticity revealed by the cocrystal structure of NKG2D and its class I MHC-like ligand ULBP3., Radaev S, Rostro B, Brooks AG, Colonna M, Sun PD, Immunity 2001 Dec;15(6):1039-49. PMID:11754823

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (78 Kb) [Save to disk] Biological Unit Coordinates (1kcg.pdb1.gz) 73 Kb LPC: Ligand-Protein Contacts for 1KCG CSU: Contacts of Structural Units for 1KCG Likely Quarternary Molecular Structure file(s) for 1KCG Retrieve 1KCG in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1KCG from S2C, [Save to disk]

View 1KCG 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 1KCG

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1KCG, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1kcga_, region A [Jmol] [rasmolscript] [script source]     - Domain d1kcgb_, region B [Jmol] [rasmolscript] [script source]     - Domain d1kcgc_, 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: [1kcg_A] [1kcg] [1kcg_C] [1kcg_B] SWISS-PROT database: [Q9BZM4] [P26718] Domain organization of [N2DL3_HUMAN] [NKG2D_HUMAN] by SWISSPFAM Domain found in 1KCG: [CLECT ] by SMART

Other resources with information on 1KCG

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

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