1UN6	Rna-Binding Protein Rna	date	Sep 04, 2003
title	The Crystal Structure Of A Zinc Finger - Rna Complex Reveals Two Modes Of Molecular Recognition
authors	D.Lu, M.A.Searles, A.Klug
compound		source
Molecule: Transcription Factor Iiia Chain: B, C, D Fragment: Fingers 4,5 And 6, Residues 127 - 212 Under Swissprot Numbering For Somatic Tfiiia; Synonym: Tfiiia, Factor A, S-Tfiiiao-Tfiiia Engineered: Yes		Organism_scientific: Xenopus Laevis Organism_common: African Clawed Frog Organism_taxid: 8355 Organ: Ovary Cell: Oocyte Expression_system: Escherichia Coli Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_plasmid: Pet13a3f
Molecule: 5s Ribosomal Rna Chain: E, F Fragment: Central Region, Nucleotides 4 - 15,64 -82,94-115, Plus Two Tetraloops Joining 15 - 64 And 82 - 94 Respectively; Other_details: Uacg Tetraloop Linking Nucleotides 15 And 64, Gaaa Tetraloop Linking Nucleotides 82 And 94		Organism_scientific: Xenopus Laevis Organism_common: African Clawed Frog Organism_taxid: 8355 Organ: Ovary Cell: Oocyte Other_details: In Vitro Transcription To Produce The Rna
symmetry	Space Group: C 1 2 1	R_factor 0.216 R_Free 0.259
crystal cell	length a length b length c angle alpha angle beta angle gamma 58.598 191.593 79.770 90.00 101.51 90.00
method	X-Ray Diffraction	resolution	3.10 Å
ligand	MG, ZN	enzyme
note	1UN6 (Molecule of the Month:pdb87)
Primary reference	Crystal structure of a zinc-finger-RNA complex reveals two modes of molecular recognition., Lu D, Searles MA, Klug A, Nature 2003 Nov 6;426(6962):96-100. PMID:14603324

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (99 Kb) [Save to disk] Biological Unit Coordinates (1un6.pdb1.gz) 42 Kb Biological Unit Coordinates (1un6.pdb2.gz) 53 Kb LPC: Ligand-Protein Contacts for 1UN6 CSU: Contacts of Structural Units for 1UN6 Likely Quarternary Molecular Structure file(s) for 1UN6 Structure Factors (132 Kb) Retrieve 1UN6 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1UN6 from S2C, [Save to disk] Re-refined 1un6 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1UN6 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 1UN6

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 1UN6, from MSDmotif at EBI Structure summary from SCOR (Structural Classification of RNA) Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1un6b1, region B:104-131 [Jmol] [rasmolscript] [script source]     - Domain d1un6b2, region B:132-160 [Jmol] [rasmolscript] [script source]     - Domain d1un6b3, region B:161-190 [Jmol] [rasmolscript] [script source]     - Domain d1un6c1, region C:104-131 [Jmol] [rasmolscript] [script source]     - Domain d1un6c2, region C:132-160 [Jmol] [rasmolscript] [script source]     - Domain d1un6c3, region C:161-190 [Jmol] [rasmolscript] [script source]     - Domain d1un6d1, region D:133-160 [Jmol] [rasmolscript] [script source]     - Domain d1un6d2, region D:161-190 [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1un6_C] [1un6_E] [1un6] [1un6_B] [1un6_F] [1un6_D] SWISS-PROT database: [P03001] Domain organization of [TF3A_XENLA] by SWISSPFAM Domain found in 1UN6: [ZnF_C2H2 ] by SMART

Other resources with information on 1UN6

Community annotation for 1UN6 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

Movements, Movies and Images

Images from IMB Jena Image Library of Biological Macromolecules.

You may enter another PDB ID code

Go [Back], to the [PDB Lite page], to the [OCA Search page] or to the [PDB Home page]

---

OCA© by Jaime Prilusky, 1996-2014,2022 Bioinformatics Unit Weizmann Institute of Science

---