Glycan Recognition and Application of P-Type Lectins.

Kei Kiriyama, Kohji Itoh

Methods in molecular biology (Clifton, N.J.) 2020

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Cation-dependent mannose 6-phosphate receptor (CD-MPR) and cation-independent MPR (CI-MPR) belong to the P-type lectin family. Both intracellular and cell surface MPRs can recognize and bind with the terminal mannose 6-phospahte (M6P) residues of N-glycans attached to the mammalian lysosomal enzymes and the related co-factors. Domain9 (Dom9), which is one of the extracytoplasmic region of the CI-MPR, has relatively higher affinity for M6P residues. Here we describe the production of recombinant Dom9-His protein by Pichia pastris, purification, and application as a probe for lectin blotting.