Table 1. Number of binding peptides in MHCPEP benchmark dataset.

Allele	UPDS	SRDS1	SRDS2	SRDS3
HLA-DQ2	113	67	32	39
HLA-DQ4	97	84	79	82
HLA-DQ7	135	73	65	75
HLA-DR1	703	336	242	278
HLA-DR2	315	148	104	134
HLA-DR3	192	81	69	73
HLA-DR4	1085	439	298	353
HLA-DR5	189	92	61	75
HLA-DR7	341	137	87	101
HLA-DR8	125	47	46	54
HLA-DR9	94	41	34	37
HLA-DR11	473	160	100	103
HLA-DR13	121	68	34	36
HLA-DR15	121	48	36	49
HLA-DR17	158	82	40	45
HLA-DR51	115	45	39	55
I-Ab	136	62	51	61
I-Ad	415	168	101	135
I-Ag7	157	62	53	81
I-Ak	254	96	67	85
I-Ed	294	188	68	76
I-Ek	334	204	64	78

UPDS refers to datasets of non-redundant peptides. The last three columns refer to similarity-reduced datasets (see text for details).