2X4T	Immune System	date	Feb 02, 2010
title	Crystal Structure Of Mhc Class I Hla-A2.1 Bound To A Peiodat Cleavable Peptide
authors	B.Rodenko, M.Toebes, P.H.N.Celie, A.Perrakis, T.N.M.Schumacher, H
compound		source
Molecule: Hla Class I Histocompatibility Antigen, A-2.1 Chain: A, D Fragment: Residues 25-299 Synonym: Hla Class I Histocompatibility Antigen, A-2 Alpha Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid
Molecule: Beta-2-Microglobulin Chain: B, E Synonym: Beta-2-Microglobulin Form Pi 5.3 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Xli Blue Expression_system_vector_type: Plasmid
Molecule: 65 Kda Phosphoprotein Chain: C, F Fragment: Epitope, Residues 495-503 Synonym: Lower Matrix Protein Pp65,64 Kda Matrix Phosphopro Engineered: Yes		Synthetic: Yes Organism_scientific: Human Herpesvirus 5 Organism_taxid: 10359
symmetry	Space Group: P 1 21 1	R_factor 0.184 R_Free 0.236
crystal cell	length a length b length c angle alpha angle beta angle gamma 62.391 85.516 80.394 90.00 90.33 90.00
method	X-Ray Diffraction	resolution	2.30 Å
ligand	GOL, MES, MSE, PRW	enzyme
Gene Ontology	Chain Function Process Component E, B cellular response to iron io...
Primary reference	Class I major histocompatibility complexes loaded by a periodate trigger., Rodenko B, Toebes M, Celie PH, Perrakis A, Schumacher TN, Ovaa H, J Am Chem Soc. 2009 Sep 2;131(34):12305-13. PMID:19655751

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (275 Kb) [Save to disk] Biological Unit Coordinates (2x4t.pdb1.gz) 133 Kb Biological Unit Coordinates (2x4t.pdb2.gz) 134 Kb LPC: Ligand-Protein Contacts for 2X4T CSU: Contacts of Structural Units for 2X4T Structure Factors (544 Kb) Retrieve 2X4T in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2X4T from S2C, [Save to disk] Re-refined 2x4t structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2X4T 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 2X4T

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 2X4T, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2x4t_D] [2x4t] [2x4t_A] [2x4t_E] [2x4t_C] [2x4t_F] [2x4t_B] SWISS-PROT database: Domain organization of by SWISSPFAM Domain found in 2X4T: [IGc1 ] by SMART

Other resources with information on 2X4T

Community annotation for 2X4T at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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