1MGW	Hydrolase	date	Aug 16, 2002
title	Crystal Structure Of Rnase Sa3, Cytotoxic Microbial Ribonucl
authors	J.Sevcik, L.Urbanikova, P.A.Leland, R.T.Raines
compound		source
Molecule: Guanyl-Specific Ribonuclease Sa3 Chain: A Synonym: Rnase Sa3 Ec: 3.1.27.3 Engineered: Yes		Organism_scientific: Streptomyces Aureofaciens Organism_taxid: 1894 Strain: Ccm3239 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid
symmetry	Space Group: P 31 2 1	R_factor 0.154 R_Free 0.212
crystal cell	length a length b length c angle alpha angle beta angle gamma 64.720 64.720 69.570 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	LI	enzyme	Hydrolase E.C.3.1.27.3 BRENDA
related structures	by homologous chain: 1C54, 1RSN
Gene Ontology	Chain Function Process Component A nuclease activity endonuclease activity endoribonuclease activity ribonuclease activity
Primary reference	X-ray structure of two crystalline forms of a streptomycete ribonuclease with cytotoxic activity., Sevcik J, Urbanikova L, Leland PA, Raines RT, J Biol Chem 2002 Dec 6;277(49):47325-30. Epub 2002 Sep 11. PMID:12228255

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (42 Kb) [Save to disk] Biological Unit Coordinates (1mgw.pdb1.gz) 38 Kb LPC: Ligand-Protein Contacts for 1MGW CSU: Contacts of Structural Units for 1MGW Likely Quarternary Molecular Structure file(s) for 1MGW Structure Factors (88 Kb) Retrieve 1MGW in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1MGW from S2C, [Save to disk] Re-refined 1mgw structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1MGW 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 1MGW

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 1MGW, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1mgwa_, region A [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1mgw_A] [1mgw] SWISS-PROT database: [P30289] Domain organization of [RNS3_STRAU] by SWISSPFAM

Other resources with information on 1MGW

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

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