1QLF	Immune System Peptide	date	Aug 30, 1999
title	Mhc Class I H-2db Complexed With Glycopeptide K3g
authors	J.Tormo, E.Y.Jones
compound		source
Molecule: Mhc Class I H-2db Heavy Chain Chain: A Fragment: Extracellular Domains Synonym: Db, H-2 Class I Histocompatibility Antigen, D-B Al (H-2d(B)); Engineered: Yes Other_details: Forms Heterotrimer With Chain B (Beta-2-Micr And Chain C (Peptide Antigen);		Organism_scientific: Mus Musculus Organism_common: Mouse Organism_taxid: 10090 Cell: Most Nucleated Cells Cellular_location: Cell Surface Expression_system: Cricetulus Griseus Expression_system_taxid: 10029 Expression_system_cell: Cho K1 Cells
Molecule: Human Beta-2-Microglobulin Chain: B Fragment: Mhc Associated Light Chain Synonym: B2m Engineered: Yes Other_details: Forms Heterotrimer With Chain A And Chain C		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Cell: Most Nucleated Cells Cellular_location: Cell Surface Expression_system: Cricetulus Griseus Expression_system_taxid: 10029 Expression_system_cell: Cho K1 Cells
Molecule: Synthetic Glycopeptide Chain: C Fragment: H-2db-Bound Glycopeptide From Nucleocapsid Protei Engineered: Yes Other_details: Peptide Derived From Sendai Virus Nucleoprot Residues 324-332, Gly327 Has Been Replaced By An O-Glcnac S Serine		Synthetic: Yes Organism_scientific: Sendai Virus Organism_taxid: 11191
symmetry	Space Group: P 1 21 1	R_factor 0.204 R_Free 0.267
crystal cell	length a length b length c angle alpha angle beta angle gamma 61.073 58.272 77.146 90.00 108.57 90.00
method	X-Ray Diffraction	resolution	2.65 Å
ligand	GOL, NAG, SO4	enzyme
related structures	by homologous chain: 1AKJ, 1RK0
Gene Ontology	Chain Function Process Component B cellular response to iron io...
Primary reference	Crystal structures of two H-2Db/glycopeptide complexes suggest a molecular basis for CTL cross-reactivity., Glithero A, Tormo J, Haurum JS, Arsequell G, Valencia G, Edwards J, Springer S, Townsend A, Pao YL, Wormald M, Dwek RA, Jones EY, Elliott T, Immunity 1999 Jan;10(1):63-74. PMID:10023771

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (72 Kb) [Save to disk] Biological Unit Coordinates (1qlf.pdb1.gz) 68 Kb LPC: Ligand-Protein Contacts for 1QLF CSU: Contacts of Structural Units for 1QLF Likely Quarternary Molecular Structure file(s) for 1QLF Retrieve 1QLF in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1QLF from S2C, [Save to disk]

View 1QLF 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 1QLF

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1QLF, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1qlfa2, region A:1-181 [Jmol] [rasmolscript] [script source]     - Domain d1qlfa1, region A:182-276 [Jmol] [rasmolscript] [script source]     - Domain d1qlfb_, 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: [1qlf_A] [1qlf_C] [1qlf] [1qlf_B] SWISS-PROT database: [P61769] [P01899] [P04857] Domain organization of [B2MG_HUMAN] [HA11_MOUSE] [NCAP_SENDE] by SWISSPFAM Domain found in 1QLF: [IGc1 ] by SMART

Other resources with information on 1QLF

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

Movements, Movies and Images

Domain movements in 1QLF from the Database of Macromolecular Movements. Images from IMB Jena Image Library of Biological Macromolecules.

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