DBCO-PEG4-Desthiobiotin contains a desthiobiotin probe and DBCO end group. Desthiobiotin, a single-ring and sulfur-free analog of biotin, binds to streptavidin nearly equal specificcally withless affinity than biotin. This probe can easily conjugate with azide-tagged biomolecules and is an target oriented molecular probe.
Axispharm offers 3000+ PEG Linkers with high purity. Different kinds of PEG Reagents may be available by custom synthesis.