1EAO	Transcription Dna	date	Jul 14, 2001
title	The Runx1 Runt Domain At 1.4a Resolution: A Structural Switc Specifically Bound Chloride Ions Modulate Dna Binding
authors	S.Backstrom, M.Wolf-Watz, C.Grundstrom, T.H.Hard, T.Grundstrom, U
compound		source
Molecule: Runt-Related Transcription Factor 1 Chain: A, B Fragment: Runt Domain Residues 46-185 Synonym: Acute Myeloid Leukemia 1 Protein, Oncogene Aml-1, Binding Factor, Alpha B Subunit, Cbf-Alpha B, Polyomavirus Binding Protein 2 Alpha B Subunit, Pebp2-Alpha B, Pea2-Alph Enhancer Factor 1 Alpha B Subunit, Sl3akv Core-Binding Fac B Subunit; Engineered: Yes Mutation: Yes Other_details: Engineered Mutation Cys 72 Ser, Cys 81 Ser		Organism_scientific: Mus Musculus Organism_common: Mouse Organism_taxid: 10090 Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_plasmid: Pet11c Other_details: Refolded From Inclusion Bodies
symmetry	Space Group: C 1 2 1	R_factor 0.141 R_Free 0.173
crystal cell	length a length b length c angle alpha angle beta angle gamma 91.066 46.173 62.904 90.00 91.94 90.00
method	X-Ray Diffraction	resolution	1.40 Å
ligand	BR	enzyme
related structures	by homologous chain: 1EAN, 1EAQ
Gene Ontology	Chain Function Process Component A, B
Primary reference	The RUNX1 Runt domain at 1.25A resolution: a structural switch and specifically bound chloride ions modulate DNA binding., Backstrom S, Wolf-Watz M, Grundstrom C, Hard T, Grundstrom T, Sauer UH, J Mol Biol 2002 Sep 13;322(2):259-72. PMID:12217689

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (97 Kb) [Save to disk] Biological Unit Coordinates (1eao.pdb1.gz) 46 Kb Biological Unit Coordinates (1eao.pdb2.gz) 48 Kb LPC: Ligand-Protein Contacts for 1EAO CSU: Contacts of Structural Units for 1EAO Likely Quarternary Molecular Structure file(s) for 1EAO Structure Factors (1484 Kb) Retrieve 1EAO in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1EAO from S2C, [Save to disk] Re-refined 1eao structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1EAO 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 1EAO

Ramachandran plot from PDBSum

Structure-derived information

Conformational Epitope Prediction for 1EAO 1EAOA 1EAOB from the CEP Server. Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1EAO, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1eaoa_, region A [Jmol] [rasmolscript] [script source]     - Domain d1eaob_, 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: [1eao_B] [1eao] [1eao_A] SWISS-PROT database: [Q03347] Domain organization of [RUNX1_MOUSE] by SWISSPFAM

Other resources with information on 1EAO

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

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