4AH2	Immune System	date	Feb 03, 2012
title	Hla-Dr1 With Covalently Linked Clip106-120 In Canonical Orie
authors	A.Schlundt, S.Guenther, J.Sticht, M.Wieczorek, Y.Roske, U.Heinema C.Freund
compound		source
Molecule: Hla Class II Histocompatibility Antigen, Dr Alpha Chain: A Fragment: Extracellular Domain, Residues 26-217 Synonym: Mhc Class II Antigen Dra 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 Expression_system_vector: Pet11a
Molecule: Hla Class II Histocompatibility Antigen Gamma Cha Class II Histocompatibility Antigen\,Drb1-1 Beta Chain; Chain: B Fragment: Extracellular Domain, Residues 106-120,30-227 Synonym: Hla-Dr Antigens-Associated Invariant Chain, Ia Ant Associated Invariant Chain\,II, P33, Cd74, Mhc Class II Ant Drb11, Dr-1, Dr; 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 Expression_system_vector: Pet24d
symmetry	Space Group: P 21 21 21	R_factor 0.191 R_Free 0.240
crystal cell	length a length b length c angle alpha angle beta angle gamma 57.644 65.616 131.331 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.36 Å
ligand	GOL	enzyme
Gene Ontology	Chain Function Process Component A B
Primary reference	Peptide Linkage to the alpha-Subunit of MHCII Creates a Stably Inverted Antigen Presentation Complex., Schlundt A, Gunther S, Sticht J, Wieczorek M, Roske Y, Heinemann U, Freund C, J Mol Biol. 2012 Jul 20. PMID:22820093

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (72 Kb) [Save to disk] Biological Unit Coordinates (4ah2.pdb1.gz) 66 Kb LPC: Ligand-Protein Contacts for 4AH2 CSU: Contacts of Structural Units for 4AH2 Structure Factors (164 Kb) Retrieve 4AH2 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 4AH2 from S2C, [Save to disk] Re-refined 4ah2 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 4AH2 in 3D

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Visual 3D analysis of 4AH2

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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 4AH2, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [4ah2_B] [4ah2] [4ah2_A] SWISS-PROT database: Domain organization of by SWISSPFAM Domains found in 4AH2: [IGc1] [MHC_II_alpha] [MHC_II_beta ] by SMART

Other resources with information on 4AH2

Community annotation for 4AH2 at PDBWiki (http://pdbwiki.org)

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