A ubiquitin promoter drives expression of spd-2 in which 20 consensus Cdk1 phosphorylation sites are mutated (S49A; T112A; S311A; T337A; S484A; T516A; S531A, S536A; T561A; S606A; S614A; S618A; S625A; S944A; S1021A; T1023A; S1065A;S1095A; S1102A; S1117A). Tagged with mNeonGreen.