2PQX	Hydrolase	date	May 03, 2007
title	E. Coli Rnase 1 (In Vivo Folded)
authors	J.Messens, R.Loris, L.Wyns
compound		source
Molecule: Ribonuclease I Chain: A Synonym: Enterobacter Ribonuclease, Rnase I Ec: 3.1.27.6 Engineered: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Gene: Rna, Rnsa Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl 21(De3) Plyss Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet-14b
symmetry	Space Group: P 1 21 1	R_factor 0.188 R_Free 0.202
crystal cell	length a length b length c angle alpha angle beta angle gamma 39.894 49.626 53.398 90.00 96.86 90.00
method	X-Ray Diffraction	resolution	1.42 Å
ligand	CA, MES	enzyme	Hydrolase E.C.3.1.27.6 BRENDA
Gene Ontology	Chain Function Process Component A nuclease activity endonuclease activity Enterobacter ribonuclease ac... ribonuclease T2 activity

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (47 Kb) [Save to disk] Biological Unit Coordinates (2pqx.pdb1.gz) 43 Kb LPC: Ligand-Protein Contacts for 2PQX CSU: Contacts of Structural Units for 2PQX Likely Quarternary Molecular Structure file(s) for 2PQX Structure Factors (554 Kb) Retrieve 2PQX in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2PQX from S2C, [Save to disk] Re-refined 2pqx structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2PQX 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 2PQX

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 2PQX, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2pqx_A] [2pqx] SWISS-PROT database: [P21338] Domain organization of [RNI_ECOLI] by SWISSPFAM

Other resources with information on 2PQX

Community annotation for 2PQX at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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