1SNT	Hydrolase	date	Mar 12, 2004
title	Structure Of The Human Cytosolic Sialidase Neu2
authors	L.M.G.Chavas, P.Fusi, C.Tringali, B.Venerando, G.Tettamanti, R.Ka E.Monti, S.Wakatsuki
compound		source
Molecule: Sialidase 2 Chain: A Synonym: Neu2, Cytosolic Sialidase, N-Acetyl-Alpha- Neurami Ec: 3.2.1.18 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Bl21 Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pgex-2t
symmetry	Space Group: H 3	R_factor 0.201 R_Free 0.236
crystal cell	length a length b length c angle alpha angle beta angle gamma 145.940 145.940 64.350 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	1.75 Å
ligand		enzyme	Hydrolase E.C.3.2.1.18 BRENDA
related structures	by homologous chain: 1SO7, 1VCU
Gene Ontology	Chain Function Process Component A
Primary reference	Crystal structure of the human cytosolic sialidase Neu2. Evidence for the dynamic nature of substrate recognition., Chavas LM, Tringali C, Fusi P, Venerando B, Tettamanti G, Kato R, Monti E, Wakatsuki S, J Biol Chem 2005 Jan 7;280(1):469-75. Epub 2004 Oct 22. PMID:15501818

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (68 Kb) [Save to disk] Biological Unit Coordinates (1snt.pdb1.gz) 63 Kb CSU: Contacts of Structural Units for 1SNT Likely Quarternary Molecular Structure file(s) for 1SNT Structure Factors (431 Kb) Retrieve 1SNT in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1SNT from S2C, [Save to disk] Re-refined 1snt structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1SNT 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 1SNT

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 1SNT, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1snta_, region A [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1snt_A] [1snt] SWISS-PROT database: [Q9Y3R4] Domain organization of [NEUR2_HUMAN] by SWISSPFAM

Other resources with information on 1SNT

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

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