3H73	Hydrolase	date	Apr 24, 2009
title	Crystal Structure Of Streptococcus Pneumoniae D39 Neuraminid Precursor (Nana) In Complex With Dana
authors	Y.S.Hsiao, L.Tong
compound		source
Molecule: Sialidase A Chain: A, B Fragment: Unp Residues 317-793 Synonym: Neuraminidase A Ec: 3.2.1.18 Engineered: Yes		Organism_scientific: Streptococcus Pneumoniae Organism_taxid: 171101 Strain: R6 Gene: Nana, Spr1536 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3)Star Expression_system_vector_type: Pet28a
symmetry	Space Group: C 1 2 1	R_factor 0.178 R_Free 0.209
crystal cell	length a length b length c angle alpha angle beta angle gamma 158.340 47.400 137.320 90.00 116.45 90.00
method	X-Ray Diffraction	resolution	1.70 Å
ligand	DAN	enzyme	Hydrolase E.C.3.2.1.18 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	Crystal structures of respiratory pathogen neuraminidases., Hsiao YS, Parker D, Ratner AJ, Prince A, Tong L, Biochem Biophys Res Commun. 2009 Mar 13;380(3):467-71. Epub 2009 Jan 23. PMID:19284989

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (183 Kb) [Save to disk] Biological Unit Coordinates (3h73.pdb1.gz) 91 Kb Biological Unit Coordinates (3h73.pdb2.gz) 91 Kb LPC: Ligand-Protein Contacts for 3H73 CSU: Contacts of Structural Units for 3H73 Likely Quarternary Molecular Structure file(s) for 3H73 Structure Factors (1460 Kb) Retrieve 3H73 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3H73 from S2C, [Save to disk] Re-refined 3h73 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3H73 in 3D

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Visual 3D analysis of 3H73

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 3H73, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3h73_B] [3h73_A] [3h73] SWISS-PROT database: [P62576] Domain organization of [NANA_STRR6] by SWISSPFAM

Other resources with information on 3H73

Community annotation for 3H73 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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