Table showing the number of alleles, proteins and nulls in the
IPD-IMGT/HLA Database named as of March 2025.
Numbers of HLA Alleles |
HLA class I alleles |
28683
|
HLA class II alleles |
12877
|
HLA alleles |
41560
|
Other non-HLA alleles |
1024
|
Number of confidential alleles |
0 |
HLA class I |
Gene |
A |
B |
C |
E |
F |
G |
Alleles |
8640 |
10446 |
8743 |
378 |
116 |
177 |
Proteins |
5053 |
6223 |
4823 |
142 |
22 |
52 |
Nulls |
457 |
377 |
396 |
10 |
3 |
6 |
HLA class I - Pseudogenes |
Gene |
H |
J |
K |
L |
N |
P |
R |
S |
T |
U |
V |
W |
Y |
Alleles |
82 |
33 |
7 |
6 |
5 |
5 |
2 |
7 |
9 |
7 |
4 |
13 |
3 |
Proteins |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
Nulls |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
HLA class II |
Gene |
DRA |
DRB |
DQA1 |
DQA2 |
DQB1 |
DQB2 |
DPA1 |
DPA2 |
DPB1 |
DPB2 |
DMA |
DMB |
DOA |
DOB |
Alleles |
80 |
4898 |
890 |
42 |
2858 |
41 |
779 |
6 |
2859 |
7 |
76 |
113 |
130 |
98 |
Proteins |
18 |
3209 |
453 |
11 |
1704 |
9 |
378 |
0 |
1638 |
0 |
9 |
9 |
16 |
19 |
Nulls |
0 |
221 |
21 |
0 |
124 |
1 |
33 |
0 |
148 |
0 |
0 |
0 |
1 |
1 |
HLA class II - DRB Alleles |
Gene |
DRB1 |
DRB2 |
DRB3 |
DRB4 |
DRB5 |
DRB6 |
DRB7 |
DRB8 |
DRB9 |
Alleles |
3825 |
1 |
546 |
292 |
221 |
4 |
2 |
1 |
6 |
Proteins |
2474 |
0 |
407 |
171 |
157 |
0 |
0 |
0 |
0 |
Nulls |
136 |
0 |
28 |
30 |
27 |
0 |
0 |
0 |
0 |
Other non-HLA Genes |
Gene |
HFE |
MICA |
MICB |
TAP1 |
TAP2 |
Alleles |
6 |
586 |
307 |
19 |
106 |
Proteins |
4 |
278 |
49 |
11 |
13 |
Nulls |
0 |
9 |
25 |
1 |
0 |
Last updated: 14-Apr-2025