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Ukr Biokhim Zh (1999). 2002 Mar-Apr;74(2):37-44.

[Mechanisms of interaction of polyreactive immunoglobulins and protein antigens].

[Article in Russian]

Author information

1
Palladin Institute of Biochemistry of NAS of Ukraine, Kyiv. sab@biochem.kiev.ua

Abstract

New features of interaction between polyreactive immunoglobulins (PRIG) and protein antigens were considered. It was shown that unlike specific antibodies, recognizing mainly hydrophilic epitops of proteins and interacting against them with high affinity according to the mechanisms "lock-and-key" and/or "induced fit", PRIG recognized and nonspecifically bound to hydrophobic patches of protein antigens. On this reason it is possible to prevent or markedly diminish PRIG-antigen interaction using the reagents that have high affinity to hydrophobic regions of proteins and therefore are capable to block these regions. The obtained data are in a good agreement with the former data concerning the kinetic and thermodynamics characteristics of PRIG-antigen interaction described by us earlier.

PMID:
12152311
[Indexed for MEDLINE]

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