. Author manuscript; available in PMC: 2023 Nov 27.

Published in final edited form as: Vox Sang. 2022 Sep 19;117(11):1332–1344. doi: 10.1111/vox.13361

TABLE 1.

New blood group systems registered by the Working Party at business meetings conducted in Basel in June 2019 and over the first virtual meeting in September 2020 and the second virtual meeting in December 2020

Business meeting	ISBT number	Blood group system	Gene name and alternative name	Reference sequence	Antigens	Reference
Basel	037	KANNO	PRNP CD230	NG_009087.1	KANNO1	[4]
Basel	038	SID	B4GALNT2 GALGT2	AJ517770 and AJ517771	Sd^a	[5]
Basel and first virtual	039	CTL2	CTL2 SLC44A2	NC_000019.10 (KM024996)	VER and RIF	[12]
First virtual	040	PEL	ABCC4 MOAT-B	NG_050651 (LRG 1183)	PEL	[13]
First virtual	041	MAM	EMP3 YMP	(NC_000019.10)	MAM	[15]
Second virtual	042	EMM	PIGG GPI7	NG_051621.1	Emm	[16, 17]
Second virtual	043	ABCC1	ABC29	NG_028268.2	WLF	[20]

Note: B4GALNT2 has a short and a long form; hence there are two reference sequences. AJ51770 is 60 amino acids longer than AJ517771 due to the differential use of two alternative exons 1. GALGT2 has been used as an alternative name for B4GALNT2.