2XZK	Hydrolase	date	Nov 26, 2010
title	The Aspergillus Fumigatus Sialidase Is A Kdnase: Structural Mechanistic Insights
authors	J.C.Telford, J.H.F.Yeung, M.J.Kiefel, A.G.Watts, S.Hader, J.Chan, A.J.Bennet, M.M.Moore, G.L.Taylor
compound		source
Molecule: Extracellular Sialidaseneuraminidase, Putative Chain: A, B Fragment: Mature Protein, Residues 21-406 Synonym: Kdnase Ec: 3.2.1.18 Engineered: Yes		Organism_scientific: Aspergillus Fumigatus Organism_taxid: 330879 Strain: Af293 Expression_system: Escherichia Coli Expression_system_taxid: 511693 Expression_system_strain: Bl21
symmetry	Space Group: P 1 21 1	R_factor 0.179 R_Free 0.214
crystal cell	length a length b length c angle alpha angle beta angle gamma 75.680 58.080 94.450 90.00 100.05 90.00
method	X-Ray Diffraction	resolution	1.50 Å
ligand	CL, FKD, GOL, K99, NA, NO3	enzyme	Hydrolase E.C.3.2.1.18 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	The Aspergillus fumigatus sialidase is a KDNase: structural and mechanistic insights., Telford JC, Yeung JH, Xu G, Kiefel MJ, Watts AG, Hader S, Chan J, Bennet AJ, Moore MM, Taylor GL, J Biol Chem. 2011 Jan 19. PMID:21247893

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (149 Kb) [Save to disk] Biological Unit Coordinates (2xzk.pdb1.gz) 73 Kb Biological Unit Coordinates (2xzk.pdb2.gz) 73 Kb LPC: Ligand-Protein Contacts for 2XZK CSU: Contacts of Structural Units for 2XZK Structure Factors (807 Kb) Retrieve 2XZK in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2XZK from S2C, [Save to disk] Re-refined 2xzk structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

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Visual 3D analysis of 2XZK

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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 2XZK, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2xzk_A] [2xzk] [2xzk_B] SWISS-PROT database: Domain organization of by SWISSPFAM

Other resources with information on 2XZK

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

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