Evolution under strong balancing selection: how many codons determine specificity at the female self-incompatibility gene SRK in Brassicaceae?

Table 2 Characteristics of the A. halleri alleles.

Allele	Demonstrated presence of a kinase domain (length of intron 1)	Existence of a closely related A. lyrata allele	Evidence for linkage to incompatibility phenotype (P)	Group (according to Prigoda, Nassuth, and Mable 2005)
AhSRK01		AlSRK01	Yes	A1
AhSRK02		AlSRK17		A3
AhSRK03	Yes (504 bp)	AlSRK03		B
AhSRK04	Yes (255 bp)	AlSRK37	Yes	A3
AhSRK05		AlSRK34		-
AhSRK06	Yes (588 bp)			A3
AhSRK07	Yes (678 bp)			-
AhSRK08				B
AhSRK09		AlSRK14		B
AhSRK10	Yes (411 bp)	AlSRK16		A3
AhSRK11		AlSRK11		A2
AhSRK12			Yes	A2
AhSRK13				-
AhSRK14				A3
AhSRK15			Yes	-
AhSRK16		AlSRK31		-
AhSRK17				A3
AhSRK18	Yes (788 bp)	AlSRK39		-
AhSRK19		AlSRK08		B
AhSRK20				A2
AhSRK21		AlSRK15	Yes	A2
AhSRK22				A2

ISSN: 2730-7182