3IIN Rna Binding Protein Dna Rna date Aug 02, 2009
title Plasticity Of The Kink Turn Structural Motif
authors S.V.Lipchock, S.A.Strobel, A.H.Antonioli, J.C.Cochrane
compound source
Molecule: U1 Small Nuclear Ribonucleoprotein A
Chain: A
Fragment: Unp Residues 4-98, Rrm 1, U1 Small Nuclear Ribonucleoprotein A 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: 562
Expression_system_strain: Bl21(De3)
Expression_system_vector_type: Plasmid

Molecule: Group I Intron
Chain: B
Engineered: Yes

Synthetic: Yes

Molecule: Dnarna (5'-R(Apapgpcpcpapcpapcpapgpa D(Papgpa)-R(Pcpgpgpcpc)-3');
Chain: C
Engineered: Yes
Mutation: Yes
Other_details: Group I Intron P9-3' Exon

Synthetic: Yes

Molecule: Dnarna (5'-R(Cpa)-D(Pt)-3')
Chain: D
Engineered: Yes
Other_details: 5' Exon

Synthetic: Yes
symmetry Space Group: P 41 2 2
R_factor 0.290 R_Free 0.323
length a length b length c angle alpha angle beta angle gamma
109.826 109.826 250.218 90.00 90.00 90.00
method X-Ray Diffractionresolution 4.18 Å
ligand A23, GTP, K, MG enzyme

Primary referencePlasticity of the RNA kink turn structural motif., Antonioli AH, Cochrane JC, Lipchock SV, Strobel SA, RNA. 2010 Feb 9. PMID:20145044
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (116 Kb) [Save to disk]
  • Biological Unit Coordinates (3iin.pdb1.gz) 110 Kb
  • LPC: Ligand-Protein Contacts for 3IIN
  • CSU: Contacts of Structural Units for 3IIN
  • Structure Factors (88 Kb)
  • Retrieve 3IIN in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3IIN from S2C, [Save to disk]
  • Re-refined 3iin structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 3IIN 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 3IIN
  • 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 3IIN, from MSDmotif at EBI
  • Fold representative 3iin from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3iin_D] [3iin_C] [3iin_A] [3iin] [3iin_B]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Domain found in 3IIN: [RRM ] by SMART
  • Other resources with information on 3IIN
  • Community annotation for 3IIN at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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