2H26	Immune System	date	May 18, 2006
title	Human Cd1b In Complex With Endogenous Phosphatidylcholine An
authors	L.F.Garcia-Alles, L.Maveyraud, A.T.Vallina, V.Guillet, L.Mourey
compound		source
Molecule: T-Cell Surface Glycoprotein Cd1b Chain: A Fragment: Extracellular Domain Of Cd1b Antigen Synonym: Cd1b Antigen Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Cd1b Expression_system: Mus Musculus Expression_system_common: House Mouse Expression_system_taxid: 10090 Expression_system_strain: J558 Cell Expression_system_vector_type: Plasmid Expression_system_plasmid: Bcmgsneo
Molecule: Beta-2-Microglobulin Chain: B Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: B2m Expression_system: Mus Musculus Expression_system_common: House Mouse Expression_system_taxid: 10090 Expression_system_strain: J558 Cell
symmetry	Space Group: P 21 21 21	R_factor 0.205 R_Free 0.241
crystal cell	length a length b length c angle alpha angle beta angle gamma 39.828 103.898 114.829 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.80 Å
ligand	6PL, 6UL, FUC, GOL, NAG, SO4	enzyme
Gene Ontology	Chain Function Process Component B cellular response to iron io...
Primary reference	Endogenous phosphatidylcholine and a long spacer ligand stabilize the lipid-binding groove of CD1b., Garcia-Alles LF, Versluis K, Maveyraud L, Vallina AT, Sansano S, Bello NF, Gober HJ, Guillet V, de la Salle H, Puzo G, Mori L, Heck AJ, De Libero G, Mourey L, EMBO J. 2006 Aug 9;25(15):3684-92. Epub 2006 Jul 27. PMID:16874306

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (76 Kb) [Save to disk] Biological Unit Coordinates (2h26.pdb1.gz) 69 Kb LPC: Ligand-Protein Contacts for 2H26 CSU: Contacts of Structural Units for 2H26 Likely Quarternary Molecular Structure file(s) for 2H26 Structure Factors (1318 Kb) Retrieve 2H26 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2H26 from S2C, [Save to disk] Re-refined 2h26 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2H26 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 2H26

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 2H26, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2h26] [2h26_A] [2h26_B] SWISS-PROT database: [P61769] [P29016] Domain organization of [B2MG_HUMAN] [CD1B_HUMAN] by SWISSPFAM Domain found in 2H26: [IGc1 ] by SMART

Other resources with information on 2H26

Community annotation for 2H26 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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