2OIH	Structural Protein Rna	date	Jan 11, 2007
title	Hepatitis Delta Virus Gemonic Ribozyme Precursor With C75u Mutation And Bound To Monovalent Cation Tl+
authors	A.Ke, F.Ding, J.D.Batchelor, J.A.Doudna
compound		source
Molecule: Hdv Ribozyme Chain: B Engineered: Yes		Synthetic: Yes Other_details: Rna Was Prepared By In Vitro Transcription By T7 Rna Polymerase;
Molecule: U1 Small Nuclear Ribonucleoprotein A Chain: A Synonym: U1 Snrnp Protein A, U1a Protein, U1-A Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Snrpa Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3)
symmetry	Space Group: H 3 2	R_factor 0.266 R_Free 0.288
crystal cell	length a length b length c angle alpha angle beta angle gamma 107.962 107.962 189.119 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.40 Å
ligand	TL	enzyme
Gene Ontology	Chain Function Process Component A nucleotide binding nucleic acid binding RNA binding protein binding snRNA binding mRNA splicing, via spliceoso... mRNA processing RNA splicing gene expression nucleus nucleoplasm spliceosomal complex ribonucleoprotein complex
Primary reference	Structural roles of monovalent cations in the HDV ribozyme., Ke A, Ding F, Batchelor JD, Doudna JA, Structure. 2007 Mar;15(3):281-7. PMID:17355864

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (54 Kb) [Save to disk] Biological Unit Coordinates (2oih.pdb1.gz) 49 Kb LPC: Ligand-Protein Contacts for 2OIH CSU: Contacts of Structural Units for 2OIH Likely Quarternary Molecular Structure file(s) for 2OIH Structure Factors (226 Kb) Retrieve 2OIH in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2OIH from S2C, [Save to disk] Re-refined 2oih structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2OIH 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 2OIH

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 2OIH, from MSDmotif at EBI Fold representative 2oih from FSSP and Dali (Families of Structurally Similar Proteins)

Sequence-derived information

SWISS-PROT database: [P09012] Domain organization of [SNRPA_HUMAN] by SWISSPFAM Domain found in 2OIH: [RRM ] by SMART Alignments of the sequence of 2OIH with the sequences similar proteins can be viewed for 2OIH's classification [SNRPA_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 [SNRPA_HUMAN] at ProtoMap. Click on the Cluster number.

Other resources with information on 2OIH

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

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