Arginine codon 200 (AGA) in exon 5 was changed to serine (TCA) (p.R200S) using two sgRNAs (targeting CACCTTTGCCACTCTCAAAGGGGA and AAACTCCCCTTTGAGAGTGGCAAA) and an ssODN template with CRISPR/Cas9 technology. The mutation disrupts Lgals3 glycan-binding. (J:329549)