Table 1.

Characterization of 253 distinct full-length HLA alleles.

Locus	Distinct sequences	Total sequences	Detected novel allele number			Novel alleles/all alleles	Detected extended allele number	Novel + extended alleles/all alleles
			Coding region	Intronic region	5′/3′Non-coding region
A	20	92	0	1	0	1.1%	2	3.3%
B	46	92	2	5	7	15.2%	8	23.9%
C	26	92	0	2	9	12.0%	29	43.5%
DRB1	41	92	0	45	0	48.9%	37	89.1%
DQA1	36	92	0	28	1	31.5%	21	54.3%
DQB1	28	92	0	32	5	40.2%	5	45.7%
DPA1	16	92	3	10	1	15.2%	69	90.2%
DPB1	40	92	0	30	0	32.6%	22	56.5%
Total	253	736	5	153	23	24.6%	193	50.8%