1K8W	Lyase Rna	date	Oct 25, 2001
title	Crystal Structure Of The E. Coli Pseudouridine Synthase Trub A T Stem-Loop Rna
authors	C.Hoang, A.R.Ferre-D'Amare
compound		source
Molecule: 5'-R(Gpgpcpapapcpgpgpup(Fhu) Pcpgpapupcpcpcpgpupupgpc)-3'; Chain: B Engineered: Yes Other_details: T Stem-Loop Rna		Synthetic: Yes
Molecule: Trna Pseudouridine Synthase B Chain: A Fragment: Residues 10-314 Synonym: Trub Pseudouridine Synthase, Trna Pseudouridine 55 Pseudouridylate Synthase; Ec: 4.2.1.70 Engineered: Yes Mutation: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: C 1 2 1	R_factor 0.184 R_Free 0.211
crystal cell	length a length b length c angle alpha angle beta angle gamma 145.054 40.361 77.987 90.00 110.60 90.00
method	X-Ray Diffraction	resolution	1.85 Å
ligand	FHU, SO4	enzyme	Lyase E.C.4.2.1.70 BRENDA
related structures	by homologous chain: 1R3F
Gene Ontology	Chain Function Process Component A
Primary reference	Cocrystal structure of a tRNA Psi55 pseudouridine synthase: nucleotide flipping by an RNA-modifying enzyme., Hoang C, Ferre-D'Amare AR, Cell 2001 Dec 28;107(7):929-39. PMID:11779468

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (69 Kb) [Save to disk] Biological Unit Coordinates (1k8w.pdb1.gz) 63 Kb LPC: Ligand-Protein Contacts for 1K8W CSU: Contacts of Structural Units for 1K8W Likely Quarternary Molecular Structure file(s) for 1K8W Structure Factors (362 Kb) Retrieve 1K8W in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1K8W from S2C, [Save to disk] Re-refined 1k8w structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1K8W 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 1K8W

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 1K8W, from MSDmotif at EBI Structure summary from SCOR (Structural Classification of RNA) Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1k8wa3, region A:251-312 [Jmol] [rasmolscript] [script source]     - Domain d1k8wa5, region A:9-250 [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1k8w_A] [1k8w] [1k8w_B] SWISS-PROT database: [P60340] Domain organization of [TRUB_ECOLI] by SWISSPFAM

Other resources with information on 1K8W

Community annotation for 1K8W at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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