5EI1	Transcription	date	Oct 29, 2015
title	Crystal Structure Of The Er-Alpha Ligand-Binding Domain (Y53 Complex With The Imidazopyridine Derivative 2-(4-Hydroxyphe Iodanyl-Imidazo[1,2-A]Pyridin-6-Ol
authors	J.C.Nwachukwu, S.Srinivasan, Y.Zheng, S.Wang, J.Min, C.Dong, Z.Lia V.Cavett, J.Nowak, R.Houtman, K.E.Carlson, J.S.Josan, O.Elemento J.A.Katzenellenbogen, H.B.Zhou, K.W.Nettles
compound		source
Molecule: Estrogen Receptor Chain: A, B Fragment: Ligand-Binding Domain Synonym: Er,Er-Alpha,Estradiol Receptor,Nuclear Receptor Su Group A Member 1; Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Esr1, Esr, Nr3a1 Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid
Molecule: Ncoa2 Chain: C, D Fragment: Nuclear Receptor-Interacting Peptide Engineered: Yes		Synthetic: Yes Organism_scientific: Homo Sapiens Organism_taxid: 9606
symmetry	Space Group: P 1 21 1	R_factor 0.178 R_Free 0.228
crystal cell	length a length b length c angle alpha angle beta angle gamma 54.737 82.484 58.308 90.00 110.80 90.00
method	X-Ray Diffraction	resolution	2.40 Å
ligand	5OR	enzyme
Primary reference	Predictive features of ligand-specific signaling through the estrogen receptor., Nwachukwu JC, Srinivasan S, Zheng Y, Wang S, Min J, Dong C, Liao Z, Nowak J, Wright NJ, Houtman R, Carlson KE, Josan JS, Elemento O, Katzenellenbogen JA, Zhou HB, Nettles KW, Mol Syst Biol. 2016 Apr 22;12(4):864. doi: 10.15252/msb.20156701. PMID:27107013

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (167 Kb) [Save to disk] Biological Unit Coordinates (5ei1.pdb1.gz) 160 Kb LPC: Ligand-Protein Contacts for 5EI1 CSU: Contacts of Structural Units for 5EI1 Structure Factors (227 Kb) Retrieve 5EI1 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 5EI1 from S2C, [Save to disk] Re-refined 5ei1 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 5EI1 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 5EI1

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 Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1w5ei1, region I:23-231 [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [5ei1_B] [5ei1_D] [5ei1] [5ei1_C] [5ei1_A] SWISS-PROT database: Domain organization of by SWISSPFAM Domain found in 5EI1: [HOLI ] by SMART

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