1HOC	Histocompatibility Antigen	date	Jan 02, 1994
title	The Three-Dimensional Structure Of H-2db At 2.4 Angstroms Re Implications For Antigen-Determinant Selection
authors	A.C.M.Young, W.Zhang, J.C.Sacchettini
compound		source
Molecule: Class I Histocompatibility Antigen (H2-Db) (Alpha Chain: A Engineered: Yes		Organism_scientific: Mus Musculus Organism_common: House Mouse Organism_taxid: 10090 Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Beta 2-Microglobulin Chain: B Engineered: Yes		Organism_scientific: Mus Musculus Organism_common: House Mouse Organism_taxid: 10090 Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: 9-Residue Peptide Chain: C Engineered: Yes		Organism_scientific: Influenza A Virus (Aswinehong Kong12682(H3n2)); Organism_taxid: 11498 Strain: Aswinehong Kong12682 H3n2
symmetry	Space Group: I 2 2 2	R_factor 0.198 R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 92.920 94.540 133.380 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.40 Å
related structures	by homologous chain: 1LD9, 1S7W
Gene Ontology	Chain Function Process Component B
Primary reference	The three-dimensional structure of H-2Db at 2.4 A resolution: implications for antigen-determinant selection., Young AC, Zhang W, Sacchettini JC, Nathenson SG, Cell 1994 Jan 14;76(1):39-50. PMID:7506996

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (69 Kb) [Save to disk] Biological Unit Coordinates (1hoc.pdb1.gz) 64 Kb CSU: Contacts of Structural Units for 1HOC Likely Quarternary Molecular Structure file(s) for 1HOC Retrieve 1HOC in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1HOC from S2C, [Save to disk]

View 1HOC 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 1HOC

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1HOC, from MSDmotif at EBI Genome occurence of 1HOC's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1hoca2, region A:1-181 [Jmol] [rasmolscript] [script source]     - Domain d1hoca1, region A:182-272 [Jmol] [rasmolscript] [script source]     - Domain d1hocb_, 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: [1hoc_B] [1hoc_A] [1hoc] [1hoc_C] SWISS-PROT database: [P01887] [P01899] [P26091] Domain organization of [B2MG_MOUSE] [HA11_MOUSE] [NCAP_I82A4] by SWISSPFAM Domain found in 1HOC: [IGc1 ] by SMART

Other resources with information on 1HOC

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

Movements, Movies and Images

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

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