1T4O	Hydrolase	date	Apr 30, 2004
title	Crystal Structure Of Rnt1p Dsrbd
authors	N.Leulliot, S.Quevillon-Cheruel, M.Graille, H.Van Tilbeurgh, T.C K.S.Godin, T.E.Edwards, S.T.Sigurdsson, N.Rozenkrants, R.J.Nage Jr., G.Varani
compound		source
Molecule: Ribonuclease III Chain: A, B Fragment: Dsrbd Synonym: Rnase III, Rnt1p Ec: 3.1.26.3 Engineered: Yes		Organism_scientific: Saccharomyces Cerevisiae Organism_common: Baker'S Yeast Organism_taxid: 4932 Gene: Rnt1, Ymr239c, Ym9408.01c, Ym9959.21 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: C 1 2 1	R_factor 0.198 R_Free 0.276
crystal cell	length a length b length c angle alpha angle beta angle gamma 73.815 68.312 57.178 90.00 121.91 90.00
method	X-Ray Diffraction	resolution	2.50 Å
ligand		enzyme	Hydrolase E.C.3.1.26.3 BRENDA
note	1T4O is a representative structure
related structures	by homologous chain: 1T4L
Primary reference	A new alpha-helical extension promotes RNA binding by the dsRBD of Rnt1p RNAse III., Leulliot N, Quevillon-Cheruel S, Graille M, Van Tilbeurgh H, Leeper TC, Godin KS, Edwards TE, Sigurdsson ST, Rozenkrants N, Nagel RJ, Ares M, Varani G, EMBO J 2004 Jul 7;23(13):2468-2477. Epub 2004 Jun 10. PMID:15192703

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (34 Kb) [Save to disk] Biological Unit Coordinates (1t4o.pdb1.gz) 13 Kb Biological Unit Coordinates (1t4o.pdb2.gz) 15 Kb CSU: Contacts of Structural Units for 1T4O Likely Quarternary Molecular Structure file(s) for 1T4O Structure Factors (106 Kb) Retrieve 1T4O in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1T4O from S2C, [Save to disk] Re-refined 1t4o structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1T4O 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 1T4O

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 1T4O, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1t4oa_, region A [Jmol] [rasmolscript] [script source]     - Domain d1t4ob_, region B [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1t4o] [1t4o_A] [1t4o_B] SWISS-PROT database: [Q02555] Domain organization of [RNT1_YEAST] by SWISSPFAM Domain found in 1T4O: [DSRM ] by SMART

Other resources with information on 1T4O

Community annotation for 1T4O at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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