3CTR	Hydrolase	date	Apr 14, 2008
title	Crystal Structure Of The Rrm-Domain Of The Poly(A)-Specific Ribonuclease Parn Bound To M7gtp
authors	T.Monecke, S.Schell, A.Dickmanns, R.Ficner
compound		source
Molecule: Poly(A)-Specific Ribonuclease Parn Chain: A Fragment: Rna-Recognition-Motif Of Parn (Residues 445-540) Synonym: Polyadenylate-Specific Ribonuclease, Deadenylating Deadenylation Nuclease; Ec: 3.1.13.4 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Parn, Dan Expression_system: Escherichia Coli Expression_system_strain: Bl 21 (De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pgex-6p-Parn3
symmetry	Space Group: I 41 2 2	R_factor 0.210 R_Free 0.243
crystal cell	length a length b length c angle alpha angle beta angle gamma 81.107 81.107 78.058 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.10 Å
ligand	MGP	enzyme	Hydrolase E.C.3.1.13.4 BRENDA
Gene Ontology	Chain Function Process Component A
Primary reference	Crystal structure of the RRM domain of poly(A)-specific ribonuclease reveals a novel m(7)G-cap-binding mode., Monecke T, Schell S, Dickmanns A, Ficner R, J Mol Biol. 2008 Oct 17;382(4):827-34. Epub 2008 Jul 31. PMID:18694759

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (20 Kb) [Save to disk] Biological Unit Coordinates (3ctr.pdb1.gz) 15 Kb Biological Unit Coordinates (3ctr.pdb2.gz) 56 Kb LPC: Ligand-Protein Contacts for 3CTR CSU: Contacts of Structural Units for 3CTR Likely Quarternary Molecular Structure file(s) for 3CTR Structure Factors (115 Kb) Retrieve 3CTR in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3CTR from S2C, [Save to disk] Re-refined 3ctr structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3CTR 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 3CTR

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 3CTR, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3ctr_A] [3ctr] SWISS-PROT database: [O95453] Domain organization of [PARN_HUMAN] by SWISSPFAM

Other resources with information on 3CTR

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

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