2PTV	Immune System	date	May 08, 2007
title	Structure Of Nk Cell Receptor Ligand Cd48
authors	L.Deng, C.A.Velikovsky, R.A.Mariuzza
compound		source
Molecule: Cd48 Antigen Chain: A Fragment: Ig-Like C2-Type1, D1, 2b4-Binding Domain Synonym: Mrc Ox-45 Surface Antigen, Bcm1 Surface Antigen, B Hm48-1, Sgp-60; Engineered: Yes Mutation: Yes		Organism_scientific: Mus Musculus Organism_common: House Mouse Organism_taxid: 10090 Gene: Cd48, Bcm-1 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21 Codonplus-De3 Ril Expression_system_vector_type: Plasmid Expression_system_plasmid: Pt7
symmetry	Space Group: I 41	R_factor 0.202 R_Free 0.262
crystal cell	length a length b length c angle alpha angle beta angle gamma 78.870 78.870 31.258 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.66 Å
note	2PTV is a representative structure
Gene Ontology	Chain Function Process Component A
Primary reference	Structure of natural killer receptor 2B4 bound to CD48 reveals basis for heterophilic recognition in signaling lymphocyte activation molecule family., Velikovsky CA, Deng L, Chlewicki LK, Fernandez MM, Kumar V, Mariuzza RA, Immunity. 2007 Oct;27(4):572-84. Epub 2007 Oct 18. PMID:17950006

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (23 Kb) [Save to disk] Biological Unit Coordinates (2ptv.pdb1.gz) 18 Kb CSU: Contacts of Structural Units for 2PTV Likely Quarternary Molecular Structure file(s) for 2PTV Structure Factors (168 Kb) Retrieve 2PTV in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2PTV from S2C, [Save to disk] Re-refined 2ptv structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2PTV 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 2PTV

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 2PTV, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2ptv_A] [2ptv] SWISS-PROT database: [P18181] Domain organization of [CD48_MOUSE] by SWISSPFAM Domain found in 2PTV: [IG ] by SMART

Other resources with information on 2PTV

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

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