3BO3	Nuclear Protein Rna	date	Dec 17, 2007
title	A Relaxed Active Site Following Exon Ligation By A Group I I
authors	S.V.Lipchock, S.A.Strobel
compound		source
Molecule: Group I Intron P9 Chain: B Engineered: Yes		Synthetic: Yes Organism_scientific: Synthetic Construct Organism_taxid: 32630
Molecule: Rna (5'-R(Apapgpcpcpapcpapcpapapapcp 3'); Chain: C Engineered: Yes Other_details: 3' Exon		Synthetic: Yes Organism_scientific: Synthetic Construct Organism_taxid: 32630
Molecule: Rna (5'-R(Cpapupapcpgpgpcpc)-3') Chain: D Engineered: Yes Other_details: U1 Small Nuclear Ribonucleoprotein A Rna Bin Domain, 5' Exon;		Synthetic: Yes Organism_scientific: Synthetic Construct Organism_taxid: 32630
Molecule: U1 Small Nuclear Ribonucleoprotein A Chain: A Fragment: Rrm 1 Domain Synonym: U1 Snrnp Protein A, U1a Protein, U1-A Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid
symmetry	Space Group: P 41 2 2	R_factor 0.282 R_Free 0.325
crystal cell	length a length b length c angle alpha angle beta angle gamma 109.608 109.608 242.138 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	3.40 Å
ligand	A23, GTP, K, MG	enzyme
Gene Ontology	Chain Function Process Component A
Primary reference	A relaxed active site after exon ligation by the group I intron., Lipchock SV, Strobel SA, Proc Natl Acad Sci U S A. 2008 Apr 15;105(15):5699-704. Epub 2008 Apr 11. PMID:18408159

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (115 Kb) [Save to disk] Biological Unit Coordinates (3bo3.pdb1.gz) 109 Kb LPC: Ligand-Protein Contacts for 3BO3 CSU: Contacts of Structural Units for 3BO3 Likely Quarternary Molecular Structure file(s) for 3BO3 Structure Factors (264 Kb) Retrieve 3BO3 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3BO3 from S2C, [Save to disk] Re-refined 3bo3 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3BO3 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 3BO3

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 3BO3, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3bo3] [3bo3_C] [3bo3_A] [3bo3_B] [3bo3_D] SWISS-PROT database: [P09012] Domain organization of [SNRPA_HUMAN] by SWISSPFAM Domain found in 3BO3: [RRM ] by SMART

Other resources with information on 3BO3

Community annotation for 3BO3 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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