Table 1. The numbers of individuals with four-digit HLA types and the observed number of HLA alleles for each locus.

	HLA type
	A	B	C	DRB1	DQA1	DQB1	DPB1
Individuals genotyped
HapMap
CEU	90	68	90	90	90	90	90
YRI	90	88	88	89	90	88	12
CHB+JPT	89	89	89	88	89	87	58
WTCCC
European	884	1532	840	1129	0	1004	0
HLARES
European	1857	2572	1866	2436	1740	1924	1624
Asian	517	624	522	608	495	525	469
Hispanic	298	430	300	420	269	312	263
African	80	112	80	102	74	78	69
Unique HLA alleles
European	48	88	37	55	17	21	26
Asian	43	72	34	49	17	19	29
Hispanic	41	85	31	44	14	17	26
African	36	45	24	30	13	17	23
Total	85	144	49	80	19	27	49

Abbreviations: HLA, human leukocyte antigen; WTCCC, Wellcome Trust Case Control Consortium.