2jkb

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2jkb, resolution 1.54Å ()
Ligands: ,
Activity: Anhydrosialidase, with EC number 4.2.2.15
Related: 2vw0, 2vw1, 2vw2
Resources: FirstGlance, OCA, PDBsum, RCSB
Coordinates: save as pdb, mmCIF, xml



Contents

CRYSTAL STRUCTURE OF STREPTOCOCCUS PNEUMONIAE NANB IN COMPLEX WITH 2,7-ANHYDRO-NEU5AC

Publication Abstract from PubMed

The human pathogen Streptococcus pneumoniae expresses neuraminidase proteins that cleave sialic acids from complex carbohydrates. The pneumococcus genome encodes up to three neuraminidase proteins that have been shown to be important virulence factors. Here, we report the first structure of a neuraminidase from S. pneumoniae: the crystal structure of NanB in complex with its reaction product 2,7-anhydro-Neu5Ac. Our structural data, together with biochemical analysis, establish NanB as an intramolecular trans-sialidase with strict specificity towards alpha2-3 linked sialic acid substrates. In addition, we show that NanB differs in its substrate specificity from the other pneumococcal neuraminidase NanA.

Structural and functional studies of Streptococcus pneumoniae neuraminidase B: An intramolecular trans-sialidase., Gut H, King SJ, Walsh MA, FEBS Lett. 2008 Oct 15;582(23-24):3348-52. Epub 2008 Sep 5. PMID:18775704

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

About this Structure

2jkb is a 1 chain structure with sequence from Streptococcus pneumoniae. Full crystallographic information is available from OCA.

See Also

Reference

  • Gut H, King SJ, Walsh MA. Structural and functional studies of Streptococcus pneumoniae neuraminidase B: An intramolecular trans-sialidase. FEBS Lett. 2008 Oct 15;582(23-24):3348-52. Epub 2008 Sep 5. PMID:18775704 doi:10.1016/j.febslet.2008.08.026

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