1A52	Receptor	date	Feb 19, 1998
title	Estrogen Receptor Alpha Ligand-Binding Domain Complexed To E
authors	D.M.Tanenbaum, Y.Wang, P.B.Sigler
compound		source
Molecule: Estrogen Receptor Chain: A, B Fragment: Ligand-Binding Domain Synonym: Erlbd Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Cell_line: Bl21 Gene: Esr Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21 (De3) Plss Expression_system_vector_type: T7 Expression_system_plasmid: Pet223d Expression_system_gene: Erg
symmetry	Space Group: H 3 2	R_factor 0.223 R_Free 0.274
crystal cell	length a length b length c angle alpha angle beta angle gamma 147.000 147.000 168.900 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.80 Å
ligand	AU, EST BindingDB	enzyme
note	1A52 (Molecule of the Month:pdb45)
related structures	by homologous chain: 1G50, 1X7E
Primary reference	Crystallographic comparison of the estrogen and progesterone receptor's ligand binding domains., Tanenbaum DM, Wang Y, Williams SP, Sigler PB, Proc Natl Acad Sci U S A 1998 May 26;95(11):5998-6003. PMID:9600906

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (84 Kb) [Save to disk] Biological Unit Coordinates (1a52.pdb1.gz) 78 Kb Biological Unit Coordinates (1a52.pdb2.gz) 154 Kb Biological Unit Coordinates (1a52.pdb3.gz) 154 Kb Biological Unit Coordinates (1a52.pdb4.gz) 78 Kb LPC: Ligand-Protein Contacts for 1A52 CSU: Contacts of Structural Units for 1A52 Likely Quarternary Molecular Structure file(s) for 1A52 Structure Factors (131 Kb) Retrieve 1A52 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1A52 from S2C, [Save to disk] Re-refined 1a52 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1A52 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 1A52

Ramachandran plot from PDBSum

Structure-derived information

Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1A52, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1a52a_, region A [Jmol] [rasmolscript] [script source]     - Domain d1a52b_, 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: [1a52_B] [1a52] [1a52_A] SWISS-PROT database: [P03372] Domain organization of [ESR1_HUMAN] by SWISSPFAM Domain found in 1A52: [HOLI ] by SMART

Other resources with information on 1A52

Community annotation for 1A52 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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