A compound comprising three components A, B, and C, which components are covalently bound forming the compound having the structure A-B-C wherein component A has a specific binding affinity for antigens, component B is covalently linked to component A component C is a compound having an alkylated purin or pyrimidin moiety such as guanin, cytosin or a Coenzyme A moiety and linked thereto a moiety having a physiological effect with the proviso that component B has an catalytical or acceptor activity to couple component C with covalently coupled components A-B.
Labelling of Fusion Proteins With Synthetic Probes
申请人:Gautier Arnaud
公开号:US20110207157A1
公开(公告)日:2011-08-25
The invention relates to new proteins called alkylcytosine transferases (ACTs) derived from O
6
-alkylguanine-DNA alkyltransferase, and to substrates for ACTs specifically transferring a label to these ACTs and to fusion proteins comprising these. The substrates according of the invention are substituted cytosines of formula (I) wherein R
1
is an aromatic or a heteroaromatic group, or an optionally substituted unsaturated alkyl, cycloalkyl or heterocyclyl group with the double bond connected to OCH
2
—; R
2
is a linker; and L is a label or a plurality of same or different labels. The invention further relates to methods of transferring label L from these substrates of formula (I) to ACTs and ACT fusion proteins. The system of ACT-compound of formula (I) is particularly suitable for double labelling studies together with the known system O
6
-alkylguanine-DNA alkyltransferase (AGT)-benzylguanines.
NOVEL SUBSTRATES OF O6-ALKYLGUANINE-DNA ALKYLTRANSFERASE AND MUTANTS THEREOF
申请人:Bourrier Emmanuel
公开号:US20110236952A1
公开(公告)日:2011-09-29
The invention relates to compounds of formula (I′):
in which A, L
2
, M and B are as defined in the description.
These compounds are substrates of O
6
-alkylguanine-DNA alkyltransferase and mutants
Labelling of Fusion Proteins with Synthetic Probes
申请人:Gautier Arnaud
公开号:US20120237961A1
公开(公告)日:2012-09-20
The invention relates to new proteins called alkylcytosine transferases (ACTs) derived from O
6
-alkylguanine-DNA alkyltransferase, and to substrates for ACTs specifically transferring a label to these ACTs and to fusion proteins comprising these. The substrates according of the invention are substituted cytosines of formula (I)
wherein R
1
is an aromatic or a heteroaromatic group, or an optionally substituted unsaturated alkyl, cycloalkyl or heterocyclyl group with the double bond connected to OCH
2
—; R
2
is a linker; and L is a label or a plurality of same or different labels. The invention further relates to methods of transferring label L from these substrates of formula (I) to ACTs and ACT fusion proteins. The system of ACT-compound of formula (I) is particularly suitable for double labelling studies together with the known system O
6
-alkylguanine-DNA alkyltransferase (AGT)-benzylguanines.