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Importance of a hydrophobic pocket for peptide binding in lactococcal OppA.


ABSTRACT: Lactococcal oligopeptide-binding protein A (OppA) binds peptides with widely varied lengths and sequences. We previously hypothesized that a hydrophobic pocket in OppA preferentially binds a hydrophobic peptide side chain and thus determines its binding register. Two crystal structures of OppA with different nonapeptides now indeed show binding in different registers.

SUBMITTER: Berntsson RP 

PROVIDER: S-EPMC3147668 | biostudies-literature | 2011 Aug

REPOSITORIES: biostudies-literature

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Importance of a hydrophobic pocket for peptide binding in lactococcal OppA.

Berntsson Ronnie P-A RP   Thunnissen Andy-Mark W H AM   Poolman Bert B   Slotboom Dirk-Jan DJ  

Journal of bacteriology 20110610 16


Lactococcal oligopeptide-binding protein A (OppA) binds peptides with widely varied lengths and sequences. We previously hypothesized that a hydrophobic pocket in OppA preferentially binds a hydrophobic peptide side chain and thus determines its binding register. Two crystal structures of OppA with different nonapeptides now indeed show binding in different registers. ...[more]

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