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HLA-A31




major histocompatibility complex (human), class I, A31
Alleles	A3101 A3102 A*3103
Structure (See HLA-A)
Identifiers	3101 3102 3103
Symbol(s)	HLA-A
EBI-HLA	A*3101
EBI-HLA	A*3102
EBI-HLA	A*3103
Shared data
Locus	chr.6 6p21.31

HLA-A31 (A31) is an HLA-A serotype. The serotype identifies the more common HLA-A*31 gene products. A31 is a split antigen of the A19 broad antigen serotype group. It is similar to the antigens A29, A30, A32,A33, and A74. A31 is more common in Japan, Siberia and Indigenous Americans. It is also more frequent in NE Europe than SW Europe.

Additional recommended knowledge

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Serotype

A31 serotype recognition of Some HLA A*31 allele-group gene products^[1]
A*31	A31	A19	Sample
allele	%	%	size (N)
3101	90	1	3517
3102	100		11

There is substantive cross reaction of A30 with A*3101, otherwise serological identification is good.

A*31 alleles

A*310102

HLA A*3101 frequencies
		freq
ref.	Population	(%)
^[2]	Toba Rosario (Argentina )	36.0
^[2]	Navajo, Canoncito (USA)	26.8
^[2]	Chiriguanos (Argentina)	26.4
^[2]	Nadar (Tamil Nadu, India)	18.9
^[2]	Tarasco (Michoacan, Mexico)	18.4
^[2]	Terena (indig. Brazil)	18.3
^[2]	Lakota Sioux (USA)	18.1
^[2]	Seri (Sonora, Mexico)	15.2
^[2]	Hyogo (Japan)	14.1
^[2]	Mestizos (Colombia)	13.3
^[2]	Golla (Andhra Pradesh, India)	13.1
^[2]	Teenek Huasteca Reg. (Mexico)	12.1
^[2]	Ainu (Hokkaido, Japan)	12.0
^[2]	Mayans (Guatemala)	10.9
^[2]	Hyogo-Osaka-Nagano (Japan)	10.3
^[2]	Lama (Lamas, Peru)	10.2
^[2]	Tarahumara (Chihuahua, Mexico)	10.2
^[2]	Tuva (Russia)	9.8
^[2]	Japan(5)	9.3
^[2]	Tibetan	9.2
^[2]	Khalkha (Mongolia)	8.5
^[2]	Naxi (Yunnan, China)	8.3
^[2]	Mestizos (Guadalajara, Mexico)	8.3
^[2]	Okinawa (Ryukyu, Japan)	8.1
^[2]	Indig American (USA)	7.8
^[2]	Japan Aichi	7.6
^[2]	Pima (Indig American)	7.6
^[2]	Buriat (Mongolia)	7.5
^[2]	Central Japan	7.1
^[2]	North Han (China)	7.1
^[2]	Mixtec (Oaxaca, Mexico)	6.9
^[2]	Zaptotec (Oaxaca, Mexico)	6.7
^[2]	North Delhi (India )	6.0
^[2]	Pawra (Khandesh, India)	6.0
^[2]	Yucpa (Perija Mtns, Venezuela)	5.8
^[2]	South Korea (3)	5.4
^[2]	Inner Mongolia (China)	5.4
^[2]	Madang (PNG)	5.1
^[2]	Finland	5.0
^[2]	Nivkhi (Sakhalin, Russia)	4.7
^[2]	South East France	4.7
^[2]	Sindhi (Pakistan)	4.4
^[2]	Marathas (Mumbai, India)	4.3
^[2]	Belgium	4.2
^[2]	Kalash (Pakistan)	4.2
^[2]	central Portugal	4.0
^[2]	Uppsala (Sweden)	3.8
^[2]	Toto (Jalpaiguri, India)	3.8
^[2]	China(Beijing)	3.7
^[2]	Essen (W. German)	3.6
^[2]	Lusaka Zambia	3.5
^[2]	Girona (Catalonia Spain )	3.4
^[2]	Wales (Gr. Britain)	3.0
^[2]	Croatia	3.0
^[2]	Karimui (PNG)	3.0
^[2]	New Delhi India	3.0
^[2]	Basque (Gipuzkoa, Spain )	3.0
^[2]	Sudanese	3.0
^[2]	Yuendumu (indig. Austr.)	2.9
^[2]	Czech Republic	2.8
^[2]	Thailand	2.8
^[2]	China South Han	2.8
^[2]	Northern Ireland	2.6
^[2]	Oman	2.5
^[2]	Kampala (Uganda)	2.5
^[2]	Yunnan Nu (China)	2.5
^[2]	Mestizos (Mexico)	2.4
^[2]	New Caledonia	2.4
^[2]	Romanian	2.3
^[2]	Burusho (Pakistan )	2.2
^[2]	Baloch (Iran)	2.2
^[2]	Berbers (Morocco)	2.1
^[2]	Wanigela (PNG)	2.1
^[2]	Siraya (Indig. Taiwan)	2.0
^[2]	W. Coast Parsis (India)	2.0
^[2]	North Hindus (India )	1.9
^[2]	Svans (Georgia)	1.9
^[2]	Bulgaria	1.8
^[2]	Kurds (Georgia)	1.7
^[2]	Amman Jordan	1.7
^[2]	Pathan (Pakistan)	1.5
^[2]	Tunisia	1.5
^[2]	Northeast Thailand	1.4
^[2]	Yup'ik (Inuit Alaska)	1.2
^[2]	Yaounde (Cameroon )	1.1
^[2]	Saomi (Murmansk Russia)	1.0
^[2]	Tibilisi Georgia	1.0
^[2]	Eastern Andalusia (Spain )	1.0
^[2]	Baloch (Pakistan)	0.8
^[2]	Groote Eylandt (Indig. Austr.)	0.7
^[2]	Druse (Arab, Israel)	0.5
^[2]	Kenya	0.3

A31-B Haplotypes

HLA A31 haplotype frequencies
		freq
ref.	Population	(%)
A31-B35 ^{(A310102:Cw0401:B*3501)}
	Lakota Souix (USA)	4.1
	Indig American (USA)	3.7
	Mestizo (Guad. Mexico)	1.5^[3]
	Tibetan	1.1
	Jews (England)	1.3
	Tibetan	1.1
	Italian	0.6
	Japanese	0.5
	French	0.5
	Choushan (China)	0.4
	German	0.3
A31-B39 ^{(A310102:Cw0701:B*3901)}
	Mixtec (Oax. Mexico)	10.0
	Lakota Souix (USA)	1.6
	Japanese	0.3
	German	0.1
A31-B48 ^{(A310102:B4801)}
	Orochon (Russia)	6.0
	Maya (Guatemala)	3.5
	Buriat	3.4
	Japanese	0.3
A31-B51 ^{(A310102:B5101)}
	Ainu (Hokkaido Japan)	8.9
	Indig. Brazil	5.8
	Orochon (Russia)	5.3
	Indig American (USA)	4.3
	Tibetan	3.3
	Inner Mongolian	3.0
	Japanese	3.0
	Portuguese	1.6
	Korean	1.2
	Italian	0.9
	French	0.5
	German	0.3
	Choushan (China)	0.2
^{(A310102:B5102)}
	Tarahumura (Mexico)	5.7
	Vietnamese	1.0
A31-B60 ^{(A310102:Cw0304:B*4001)}
	Lusaka (Zambia)	2.3
	Yakuts (Russia)	2.0
	Irish	0.7
	Choushan (China)	0.7
	Japan	0.6
	Dutch	0.6
	German	0.4
A31-B62 ^{(A310102:B1501)}
	Nivkhi (Sakalin, Russia)	12.5
	Yakut(Russia)	5.5
	Indig. Brazil	4.1
	Manchu	1.1
	Japan	0.4
	German	0.2
	Choushan (China)	0.2

Examination of A31 haplotypes reveal a probably connection across northern Eurasia during the prehistoric period. Frequencies of the more 'tale-tell' haplotypes (A31-B60, B61, and B62) fall from NE to SW Europe. Other haplotypes appears to have spread from the Middle East (A31-B51 and A31-B35).

References

^ derived from IMGT/HLA
^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l ^m ⁿ ^o ^p ^q ^r ^s ^t ^u ^v ^w ^x ^y ^z ^aa ^ab ^ac ^ad ^ae ^af ^ag ^ah ^ai ^aj ^ak ^al ^am ^an ^ao ^ap ^aq ^ar ^as ^at ^au ^av ^aw ^ax ^ay ^az ^ba ^bb ^bc ^bd ^be ^bf ^bg ^bh ^bi ^bj ^bk ^bl ^bm ^bn ^bo ^bp ^bq ^br ^bs ^bt ^bu ^bv ^bw ^bx ^by ^bz ^ca ^cb ^cc ^cd ^ce ^cf ^cg ^ch ^ci ^cj ^ck ^cl ^cm ^cn Middleton D, Menchaca L, Rood H, Komerofsky R (2003). "New allele frequency database: http://www.allelefrequencies.net". Tissue Antigens 61 (5): 403-7. PMID 12753660.
^ B*3512

v • d • e HLA-A Serotypes
HLA-A - A1 - A2 - A3 - A9 (A23 - A24) - A10 (A25 - A26 - A34 - A43 - A66) - A11 - A19 (A29 - A30 - A31 - A32 - A33 - A74) - A28 (A68 - A69) - A36 - A80

Category: HLA-A alleles

This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "HLA-A31". A list of authors is available in Wikipedia.