Structure of amylase-binding protein A of Streptococcus gordonii: A potential receptor for human salivary [alpha]-amylase enzyme

Structure of amylase-binding protein A of Streptococcus gordonii: A potential receptor for human salivary [alpha]-amylase enzyme

Amylase-binding protein A (AbpA) of a number of oral streptococci is essential for the colonization of the dental pellicle. We have determined the solution structure of residues 24-195 of AbpA of Streptococcus gordonii and show a well-defined core of five helices in the region of 45-115 and 135-145....

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Veröffentlicht in:Protein science 2015-06, Vol.24 (6), p.1013
Hauptverfasser: Sethi, Ashish, Mohanty, Biswaranjan, Ramasubbu, Narayanan, Gooley, Paul R
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Mohanty, Biswaranjan
Ramasubbu, Narayanan
Gooley, Paul R
description Amylase-binding protein A (AbpA) of a number of oral streptococci is essential for the colonization of the dental pellicle. We have determined the solution structure of residues 24-195 of AbpA of Streptococcus gordonii and show a well-defined core of five helices in the region of 45-115 and 135-145. 13C[alpha]/[beta] chemical shift and heteronuclear 15N-{1H} NOE data are consistent with this fold and that the remainder of the protein is unstructured. The structure will inform future molecular experiments in defining the mechanism of human salivary [alpha]-amylase binding and biofilm formation by streptococci.
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subjects Genes
Proteins
Rodents
title Structure of amylase-binding protein A of Streptococcus gordonii: A potential receptor for human salivary [alpha]-amylase enzyme
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