2CLR	Histocompatibility Antigen	date	Aug 01, 1994
title	Three Dimensional Structure Of A Peptide Extending Out One End Of A Class I Mhc Binding Site
authors	E.J.Collins, D.N.Garboczi, D.C.Wiley
compound		source
Molecule: Class I Histocompatibility Antigen (Hla-A 0201) (Alpha Chain); Chain: A, D Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Beta-2-Microglobulin Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Beta 2-Microglobulin Chain: B, E Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Beta-2-Microglobulin Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Decameric Peptide From Calreticulin Chain: C, F Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606
symmetry	Space Group: P 1	R_factor 0.236 R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 50.410 62.909 74.810 81.99 76.43 78.06
method	X-Ray Diffraction	resolution	2.00 Å
related structures	by homologous chain: 1AGD, 1T0M
Gene Ontology	Chain Function Process Component E, B cellular response to iron io...
Primary reference	Three-dimensional structure of a peptide extending from one end of a class I MHC binding site., Collins EJ, Garboczi DN, Wiley DC, Nature 1994 Oct 13;371(6498):626-9. PMID:7935798

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (131 Kb) [Save to disk] Biological Unit Coordinates (2clr.pdb1.gz) 66 Kb Biological Unit Coordinates (2clr.pdb2.gz) 66 Kb CSU: Contacts of Structural Units for 2CLR Likely Quarternary Molecular Structure file(s) for 2CLR Retrieve 2CLR in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2CLR from S2C, [Save to disk]

View 2CLR 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 2CLR

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 2CLR, from MSDmotif at EBI Genome occurence of 2CLR's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d2clra2, region A:1-181 [Jmol] [rasmolscript] [script source]     - Domain d2clra1, region A:182-275 [Jmol] [rasmolscript] [script source]     - Domain d2clrb_, region B [Jmol] [rasmolscript] [script source]     - Domain d2clrd2, region D:1-181 [Jmol] [rasmolscript] [script source]     - Domain d2clrd1, region D:182-275 [Jmol] [rasmolscript] [script source]     - Domain d2clre_, region E [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: [2clr_D] [2clr_A] [2clr_B] [2clr] [2clr_E] [2clr_F] [2clr_C] SWISS-PROT database: [P01892] [P61769] [P27797] Domain organization of [1A02_HUMAN] [B2MG_HUMAN] [CALR_HUMAN] by SWISSPFAM Domain found in 2CLR: [IGc1 ] by SMART

Other resources with information on 2CLR

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

Movements, Movies and Images

Domain movements in 2CLR from the Database of Macromolecular Movements. Images from IMB Jena Image Library of Biological Macromolecules.

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