HLA-A43

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HLA-A43 (A43) is a human leukocyte antigen serotype within HLA-A serotype group. The serotype is determined by the antibody recognition of α43 subset of HLA-A α-chains. For A43, the alpha "A" chain are encoded by the HLA-A<templatestyles src="Template:Color/styles.css" />*43 allele group and the β-chain are encoded by B2M locus.[1] This group currently is dominated by A*4301. A43 and A<templatestyles src="Template:Color/styles.css" />*43 are almost synonymous in meaning. A43 is a split antigen of the broad antigen serotype A10. A43 is a sister serotype of A25A26A34, and A66. Script error: No such module "labelled list hatnote". A43 is more common in Africa and SouthWest Asia. A43 is believed to have been formed by a single gene conversion between another HLA-A and the A*2601 allele.[2].

Serotype

A43 recognition of some HLA A*43 gene products[3]
A*43 A43 A<templatestyles src="Template:Color/styles.css" />26 Sample
allele % % size (N)
*4301 0 <templatestyles src="Template:Color/styles.css" />35 9

A43 serotyping is poor.

Distribution

HLA A*4301 frequencies
freq
ref. Population (%)
[4] South Africa Tswana 4.9
[4] South African Natal Zulu 3.0
[4] China Yunnan Han 1.2
[4] Zambia Lusaka 1.2
[4] Pakistan Karachi Parsi 0.6
[4] India North Delhi 0.5
[4] Zimbabwe Harare Shona 0.4
[4] Italy 0.01
[4] China Shanghai 0.002

References

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  3. Allele Query Form IMGT/HLA - European Bioinformatics Institute
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