HLA-B55




major histocompatibility complex (human), class I, B55
Alleles	B5501, B5502
Structure (See HLA-B)
Symbol(s)	HLA-B
EBI-HLA	B*5501
	B*5502
Locus	chr.6 6p21.31

HLA-B55 (B55) is an HLA-B serotype. B55 is a split antigen from the B22 broad antigen, sister serotypes are B54 and B56. The serotype identifies the more common HLA-B*55 gene products.^[1] (For terminology help see: HLA-serotype tutorial)

Serotype

**HLA B*5501 frequencies**
		freq
ref.	Population	(%)
^[3]	India New Delhi	3.8
^[3]	Singapore Chinese Han	3.5
^[3]	Spain Eastern Andalusia Gipsy	3.5
^[3]	Georgia Tibilisi Kurds	3.4
^[3]	India North Delhi	3.3
^[3]	France South East	3.1
^[3]	Israel Arab Druse	3.0
^[3]	India North Hindus	2.9
^[3]	Georgia Tibilisi Georgians	2.8
^[3]	Russia Tuva (2)	2.8
^[3]	Georgia Svaneti Svans	2.5
^[3]	Iran Baloch	2.5
^[3]	Singapore Thai	2.5
^[3]	Sudanese	2.5
^[3]	Mexico Mestizos	2.4
^[3]	Spain Eastern Andalusia	2.4
^[3]	Ireland South	2.0
^[3]	Azores Central Islands	1.8
^[3]	Bulgaria	1.8
^[3]	Israel Ashkenazi and Non Ashkenazi Jews	1.8
^[3]	Oman	1.7
^[3]	Tunisia Tunis	1.7
^[3]	India Andhra Pradesh Golla	1.4
^[3]	China Tibet	1.3
^[3]	Uganda Kampala	1.2
^[3]	Finland	1.1
^[3]	Portugal North	1.1
^[3]	Portugal Centre	1.0
^[3]	Singapore Riau Malay	1.0
^[3]	*B5502**
^[3]	Taiwan Taroko	14.5
^[3]	American Samoa	12.0
^[3]	China Guangxi Maonan	6.0
^[3]	Japan Ainu Hokkaido	5.0
^[3]	China Tibet Autonomous Region Tibetans	4.7
^[3]	Singapore Chinese	3.0
^[3]	China Beijing Shijiazhuang Tianjian Han	2.9
^[3]	China North Han	2.9
^[3]	South Korea (3)	2.7
^[3]	Hong Kong Chinese	2.2
^[3]	Japan (5)	2.2
^[3]	Taiwan Ami	2.0
^[3]	Thailand (3)	2.0
^[3]	New Caledonia	1.0
^[3]	Philippines Ivatan	1.0