3L6F	Immune System Peptide Binding Protein	date	Dec 23, 2009
title	Structure Of Mhc Class II Molecule Hla-Dr1 Complexed With Phosphopeptide Mart-1
authors	Y.Li, R.A.Mariuzza
compound		source
Molecule: Hla Class II Histocompatibility Antigen, Dr Alpha Chain: A Fragment: Unp Residues 26-207 Synonym: Mhc Class II Antigen Dra Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Hla-Dra, Hla-Dra1 Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Pet-26b
Molecule: Hla Class II Histocompatibility Antigen, Drb1-1 B Chain: B Fragment: Unp Residues 30-221 Synonym: Mhc Class I Antigen Drb11, Dr-1, Dr1 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Hla-Drb1 Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Melanoma Antigen Recognized By T-Cells 1 Chain: C Fragment: Unp Residues 100-114 Synonym: Mart-1, Melan-A Protein, Antigen Sk29-Aa, Antigen Engineered: Yes		Synthetic: Yes Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606
symmetry	Space Group: P 21 21 2	R_factor 0.212 R_Free 0.249
crystal cell	length a length b length c angle alpha angle beta angle gamma 91.210 135.450 40.850 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.10 Å
ligand	SEP	enzyme
Gene Ontology	Chain Function Process Component A B
Primary reference	Structural Basis for the Presentation of Tumor-Associated MHC Class II-Restricted Phosphopeptides to CD4(+) T Cells., Li Y, Depontieu FR, Sidney J, Salay TM, Engelhard VH, Hunt DF, Sette A, Topalian SL, Mariuzza RA, J Mol Biol. 2010 Apr 24. PMID:20417641

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (71 Kb) [Save to disk] Biological Unit Coordinates (3l6f.pdb1.gz) 67 Kb LPC: Ligand-Protein Contacts for 3L6F CSU: Contacts of Structural Units for 3L6F Structure Factors (241 Kb) Retrieve 3L6F in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3L6F from S2C, [Save to disk] Re-refined 3l6f structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3L6F in 3D

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Visual 3D analysis of 3L6F

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 3L6F, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3l6f_C] [3l6f_A] [3l6f] [3l6f_B] SWISS-PROT database: Domain organization of by SWISSPFAM Domains found in 3L6F: [IGc1] [MHC_II_alpha] [MHC_II_beta ] by SMART

Other resources with information on 3L6F

Community annotation for 3L6F at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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