Table 1. SUMO-modified lysine residues in U2 snRNP proteins upregulated by hinokiflavone.

Gene name	Modified sequence	Position	Upregulation
PRPF40A	_SNLHAM(ox)IK(gl)AEESSK_	241	145.8
	_DVLFFLSK(gl)K_	517	47.5
	_TVADFTPK(gl)K_	375	45.5
	_DFVAIISSTK(gl)RSTTLD_	707	7.8
SF3B2	_TGK(gl)PLYGDVFGTNAAE_	680	94.4
	_M(ox)GK(gl)IDIDYQK_	563	56.5
SF3A2	_(ac)M(ox)DFQHRPGGK(gl)TGSGGVASSSE_	10	22.6
SNRPD2	_PK(gl)SEM(ox)TPEELQK_	8	16.2
U2SURP	_HHLYSNPIK(gl)EE_	822	10.0
SF3B1	_GYK(gl)VLPPPAGYVPIRTPARK_	413	5.0