2A3I	Transferase	date	Jun 24, 2005
title	Structural And Biochemical Mechanisms For The Specificity Of Hormone Binding And Coactivator Assembly By Mineralocorticoid Receptor
authors	Y.Li, K.Suino, J.Daugherty, H.E.Xu
compound		source
Molecule: Mineralocorticoid Receptor Chain: A Fragment: Mineralocoricoid Receptor Synonym: Mr Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Nr3c2, Mcr, Mlr Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_vector: Pet24a
Molecule: Nuclear Receptor Coactivator 1, Residues 1430- 1441; Chain: B Synonym: Ncoa-1, Steroid Receptor Coactivator-1, Src-1, Rip160, Hin-2 Protein; Ec: 2.3.1.48 Engineered: Yes		Synthetic: Yes Other_details: This Sequence Occurs Naturally In Homo Sapiens (Humans).
symmetry	Space Group: P 21 21 21	R_factor 0.222 R_Free 0.253
crystal cell	length a length b length c angle alpha angle beta angle gamma 44.647 72.259 81.226 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.95 Å
ligand	C0R	enzyme	Transferase E.C.2.3.1.48 BRENDA
Primary reference	Structural and biochemical mechanisms for the specificity of hormone binding and coactivator assembly by mineralocorticoid receptor., Li Y, Suino K, Daugherty J, Xu HE, Mol Cell 2005 Aug 5;19(3):367-80. PMID:16061183

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (53 Kb) [Save to disk] Biological Unit Coordinates (2a3i.pdb1.gz) 48 Kb LPC: Ligand-Protein Contacts for 2A3I CSU: Contacts of Structural Units for 2A3I Likely Quarternary Molecular Structure file(s) for 2A3I Structure Factors (159 Kb) Retrieve 2A3I in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2A3I from S2C, [Save to disk] Re-refined 2a3i structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2A3I 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. On AstexViewer, from MSD-EBI (viewer documentation). On RasMol (Install RasMol freeware) Here's help on how to use RasMol.

Visual 3D analysis of 2A3I

Cartoon representation from PDB Cartoon 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 Crystal Contacts, from CryCo at Weizmann Institute 3D motif for 2A3I, from MSDmotif at EBI Fold representative 2a3i from FSSP and Dali (Families of Structurally Similar Proteins)

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2a3i_A] [2a3i_B] SWISS-PROT database: [P08235] [Q15788] Domain organization of [MCR_HUMAN] [NCOA1_HUMAN] by SWISSPFAM Domain found in 2A3I: [HOLI ] by SMART Alignments of the sequence of 2A3I with the sequences similar proteins can be viewed for 2A3I's classification [MCR_HUMAN] [NCOA1_HUMAN] at ProtoMap. Click on "Neighbors List", then on the "See Alignments" button below the list. A sequence distance tree ("phylogenetic tree") can be viewed for 1ACL's classification [MCR_HUMAN] [NCOA1_HUMAN] at ProtoMap. Click on the Cluster number.

Other resources with information on 2A3I

Community annotation for 2A3I at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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