1E27	Immune System	date	May 18, 2000
title	Nonstandard Peptide Binding Of Hla-B5101 Complexed With Hiv Immunodominant Epitope Km1(Lppvvakei)
authors	K.Maenaka, T.Maenaka, H.Tomiyama, M.Takiguchi, D.I.Stuart, E.Y.Jo
compound		source
Molecule: Hla Class I Histocompatibility Antigen Heavy Chai Chain: A Fragment: Extracellular Residues 25-300 Synonym: B51 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Cellular_location: Cell Surface Expression_system: Escherichia Coli Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_plasmid: Pgmt7
Molecule: Beta-2 Microglobulin Light Chain Chain: B Fragment: Extracellular Residues 21-119 Synonym: B2m Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 532 Expression_system_strain: Xa90 Expression_system_plasmid: Phn1
Molecule: Hiv-1 Peptide (Lppvvakei) Chain: C Fragment: Extracellular Residues 742-750 Engineered: Yes		Synthetic: Yes Organism_scientific: Human Immunodeficiency Virus Type 1 Organism_common: Hiv-1 Organism_taxid: 11676
symmetry	Space Group: P 21 21 21	R_factor 0.199 R_Free 0.255
crystal cell	length a length b length c angle alpha angle beta angle gamma 50.800 82.300 111.000 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.20 Å
related structures	by homologous chain: 1AGB, 1QEW
Gene Ontology	Chain Function Process Component B cellular response to iron io...
Primary reference	Nonstandard peptide binding revealed by crystal structures of HLA-B*5101 complexed with HIV immunodominant epitopes., Maenaka K, Maenaka T, Tomiyama H, Takiguchi M, Stuart DI, Jones EY, J Immunol 2000 Sep 15;165(6):3260-7. PMID:10975842

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (76 Kb) [Save to disk] Biological Unit Coordinates (1e27.pdb1.gz) 72 Kb CSU: Contacts of Structural Units for 1E27 Likely Quarternary Molecular Structure file(s) for 1E27 Retrieve 1E27 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1E27 from S2C, [Save to disk]

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Visual 3D analysis of 1E27

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1E27, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1e27a2, region A:1-181 [Jmol] [rasmolscript] [script source]     - Domain d1e27a1, region A:182-276 [Jmol] [rasmolscript] [script source]     - Domain d1e27b_, region B [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1e27_A] [1e27_C] [1e27_B] [1e27] SWISS-PROT database: [P18464] [P61769] [P24740] Domain organization of [1B51_HUMAN] [B2MG_HUMAN] [POL_HV1U4] by SWISSPFAM Domain found in 1E27: [IGc1 ] by SMART

Other resources with information on 1E27

Community annotation for 1E27 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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