3IRW	Rna Binding Protein Rna	date	Aug 24, 2009
title	Structure Of A C-Di-Gmp Riboswitch From V. Cholerae
authors	K.D.Smith
compound		source
Molecule: U1 Small Nuclear Ribonucleoprotein A Chain: P Fragment: Rna Binding Domain Synonym: U1 Snrnp Protein A, U1a Protein, U1-A Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Snrpa Expression_system: Escherichia Coli Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet11
Molecule: C-Di-Gmp Riboswitch Chain: R Engineered: Yes		Synthetic: Yes Organism_scientific: Vibrio Cholerae Organism_taxid: 666 Other_details: In Vitro Synthesis From A Plasmid Dna Templa Natural Sequence From Vibrio Cholerae
symmetry	Space Group: P 1 21 1	R_factor 0.196 R_Free 0.251
crystal cell	length a length b length c angle alpha angle beta angle gamma 49.461 45.123 76.573 90.00 96.79 90.00
method	X-Ray Diffraction	resolution	2.70 Å
ligand	C2E, GTP, IRI, MG	enzyme
note	3IRW (Molecule of the Month:pdb130)
Gene Ontology	Chain Function Process Component P
Primary reference	Structural basis of ligand binding by a c-di-GMP riboswitch., Smith KD, Lipchock SV, Ames TD, Wang J, Breaker RR, Strobel SA, Nat Struct Mol Biol. 2009 Dec;16(12):1218-23. Epub 2009 Nov 8. PMID:19898477

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (64 Kb) [Save to disk] Biological Unit Coordinates (3irw.pdb1.gz) 58 Kb LPC: Ligand-Protein Contacts for 3IRW CSU: Contacts of Structural Units for 3IRW Structure Factors (134 Kb) Retrieve 3IRW in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3IRW from S2C, [Save to disk] Re-refined 3irw structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3IRW 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 3IRW

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 3IRW, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3irw] [3irw_P] [3irw_R] SWISS-PROT database: [P09012] Domain organization of [SNRPA_HUMAN] by SWISSPFAM Domain found in 3IRW: [RRM ] by SMART

Other resources with information on 3IRW

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

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