2GUO	Immune System	date	May 01, 2006
title	Human Class I Mhc Hla-A2 In Complex With The Native Nonameri Amart-1(27-35) Peptide
authors	O.Y.Borbulevych, B.M.Baker
compound		source
Molecule: Hla Class I Histocompatibility Antigen, A-2 Alpha Chain: A, D Fragment: Human Class I Major Histocompatibility Complex, H (Residues 25-299); Synonym: Mhc Class I Antigen A2 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Hla-A Expression_system: Escherichia Coli Bl21 Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_vector_type: Plasmid Expression_system_plasmid: Phn1
Molecule: Beta-2-Microglobulin Chain: B, E Fragment: Beta-2-Microglobulin (Residues 21-119) Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: B2m Expression_system: Escherichia Coli Bl21 Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_vector_type: Plasmid Expression_system_plasmid: Phn1
Molecule: Peptide Chain: C, F Synonym: Mart-1, Melan-A Protein, Antigen Sk29-Aa, Antigen Engineered: Yes		Synthetic: Yes Other_details: Chemically Synthesized. Occurs Naturally In Sapiens (Humans)
symmetry	Space Group: P 1 21 1	R_factor 0.187 R_Free 0.244
crystal cell	length a length b length c angle alpha angle beta angle gamma 83.957 58.369 89.425 90.00 109.66 90.00
method	X-Ray Diffraction	resolution	1.90 Å
ligand	GOL, NA	enzyme
Gene Ontology	Chain Function Process Component E, B cellular response to iron io...
Primary reference	Structures of MART-1(26/27-35) Peptide/HLA-A2 Complexes Reveal a Remarkable Disconnect between Antigen Structural Homology and T Cell Recognition., Borbulevych OY, Insaidoo FK, Baxter TK, Powell DJ Jr, Johnson LA, Restifo NP, Baker BM, J Mol Biol. 2007 Oct 5;372(5):1123-36. Epub 2007 Jul 26. PMID:17719062

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (142 Kb) [Save to disk] Biological Unit Coordinates (2guo.pdb1.gz) 69 Kb Biological Unit Coordinates (2guo.pdb2.gz) 70 Kb LPC: Ligand-Protein Contacts for 2GUO CSU: Contacts of Structural Units for 2GUO Likely Quarternary Molecular Structure file(s) for 2GUO Structure Factors (880 Kb) Retrieve 2GUO in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2GUO from S2C, [Save to disk] Re-refined 2guo structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2GUO 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 2GUO

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 2GUO, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2guo_B] [2guo_F] [2guo_E] [2guo_A] [2guo_D] [2guo] [2guo_C] SWISS-PROT database: [P01892] [P61769] [Q16655] Domain organization of [1A02_HUMAN] [B2MG_HUMAN] [MAR1_HUMAN] by SWISSPFAM Domain found in 2GUO: [IGc1 ] by SMART

Other resources with information on 2GUO

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

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