1IEA	Histocompatibility Antigen	date	Apr 05, 1996
title	Histocompatibility Antigen
authors	D.H.Fremont, W.A.Hendrickson, P.Marrack, J.Kappler
compound		source
Molecule: Mhc Class II I-Ek Chain: A, C Engineered: Yes Other_details: With Covalently Bound Hb Peptide		Organism_scientific: Mus Musculus Organism_common: House Mouse Organism_taxid: 10090 Expression_system: Spodoptera Frugiperda Expression_system_common: Fall Armyworm Expression_system_taxid: 7108
Molecule: Mhc Class II I-Ek Chain: B, D Engineered: Yes Other_details: With Covalently Bound Hb Peptide		Organism_scientific: Mus Musculus Organism_common: House Mouse Organism_taxid: 10090 Expression_system: Spodoptera Frugiperda Expression_system_common: Fall Armyworm Expression_system_taxid: 7108
symmetry	Space Group: C 1 2 1	R_factor 0.202 R_Free 0.274
crystal cell	length a length b length c angle alpha angle beta angle gamma 147.020 57.090 117.010 90.00 91.52 90.00
method	X-Ray Diffraction	resolution	2.30 Å
ligand	NAG	enzyme
related structures	by homologous chain: 1JWU, 1KLG
Gene Ontology	Chain Function Process Component A, C D, B
Primary reference	Structures of an MHC class II molecule with covalently bound single peptides., Fremont DH, Hendrickson WA, Marrack P, Kappler J, Science 1996 May 17;272(5264):1001-4. PMID:8638119

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (140 Kb) [Save to disk] Biological Unit Coordinates (1iea.pdb1.gz) 69 Kb Biological Unit Coordinates (1iea.pdb2.gz) 69 Kb LPC: Ligand-Protein Contacts for 1IEA CSU: Contacts of Structural Units for 1IEA Likely Quarternary Molecular Structure file(s) for 1IEA Retrieve 1IEA in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1IEA from S2C, [Save to disk]

View 1IEA 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 1IEA

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1IEA, from MSDmotif at EBI Genome occurence of 1IEA's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1ieaa2, region A:1-81 [Jmol] [rasmolscript] [script source]     - Domain d1ieaa1, region A:82-182 [Jmol] [rasmolscript] [script source]     - Domain d1ieab2, region B:4-92 [Jmol] [rasmolscript] [script source]     - Domain d1ieab1, region B:93-188 [Jmol] [rasmolscript] [script source]     - Domain d1ieac2, region C:1-81 [Jmol] [rasmolscript] [script source]     - Domain d1ieac1, region C:82-182 [Jmol] [rasmolscript] [script source]     - Domain d1iead2, region D:4-92 [Jmol] [rasmolscript] [script source]     - Domain d1iead1, region D:93-188 [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: [1iea_B] [1iea] [1iea_C] [1iea_A] [1iea_D] SWISS-PROT database: [P01904] Domain organization of [HA21_MOUSE] by SWISSPFAM Domains found in 1IEA: [IGc1] [MHC_II_alpha] [MHC_II_beta ] by SMART

Other resources with information on 1IEA

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

Movements, Movies and Images

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

You may enter another PDB ID code

Go [Back], to the [PDB Lite page], to the [OCA Search page] or to the [PDB Home page]

---

OCA© by Jaime Prilusky, 1996-2014,2022 Bioinformatics Unit Weizmann Institute of Science

---