1NNS	Hydrolase	date	Jan 14, 2003
title	L-Asparaginase Of E. Coli In C2 Space Group And 1.95 A Resol
authors	M.Sanches, J.A.R.G.Barbosa, R.T.De Oliveira, J.A.A.Neto, I.Polik
compound		source
Molecule: L-Asparaginase II Chain: A, B Synonym: L-Asparagine Amidohydrolase II Ec: 3.5.1.1		Organism_scientific: Escherichia Coli Organism_taxid: 562
symmetry	Space Group: C 1 2 1	R_factor 0.130 R_Free 0.171
crystal cell	length a length b length c angle alpha angle beta angle gamma 76.296 134.617 64.867 90.00 110.51 90.00
method	X-Ray Diffraction	resolution	1.95 Å
ligand	ASP	enzyme	Hydrolase E.C.3.5.1.1 BRENDA
related structures	by homologous chain: 4ECA
Gene Ontology	Chain Function Process Component A, B
Primary reference	Structural comparison of Escherichia coli L-asparaginase in two monoclinic space groups., Sanches M, Barbosa J JA, De Oliveira RT, Abrahao Neto J, Polikarpov I, Acta Crystallogr D Biol Crystallogr 2003 Mar;59(Pt 3):416-22. PMID:12595697

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (108 Kb) [Save to disk] Biological Unit Coordinates (1nns.pdb1.gz) 202 Kb LPC: Ligand-Protein Contacts for 1NNS CSU: Contacts of Structural Units for 1NNS Likely Quarternary Molecular Structure file(s) for 1NNS Structure Factors (564 Kb) Retrieve 1NNS in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1NNS from S2C, [Save to disk] Re-refined 1nns structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1NNS 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 1NNS

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 1NNS, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1nnsa_, region A [Jmol] [rasmolscript] [script source]     - Domain d1nnsb_, region B [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: [1nns] [1nns_B] [1nns_A] SWISS-PROT database: [P00805] Domain organization of [ASPG2_ECOLI] by SWISSPFAM Domain found in 1NNS: [Asparaginase ] by SMART

Other resources with information on 1NNS

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

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