> For the complete documentation index, see [llms.txt](https://docs.finngen.fi/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.finngen.fi/finngen-data-specifics/red-library-data-individual-level-data/genotype-data/types-of-genotype-files-available/imputed-hla-alleles.md).

# Imputed HLA alleles

This page has been last updated for R11.

### Sandbox directory

HLA alleles (short tandem repeat) genotypes are available in the following sandbox directory:

`/finngen/library-red/finngen_R[RELEASE]/hla_1.0/`

### Data files

* `R[RELEASE]_HLA.bgen`: HLA allele genotype data in bgen format
* `R[RELEASE]_HLA.bgen.bgi`: HLA allele genotype index in bgen format
* `R[RELEASE]_HLA.bgen.sample`: HLA allele genotype sample file
* `R[RELEASE]_HLA.bgen.snpstats`: HLA allele snpstats file
* `dosage/[GENE].dosage`: Dosage dta for a single gene
* `dosage/[GENE].dosage.map:` Dosage mapping file

Data is available for the following HLA genes: A, B, C, DPB1, DQA1, DQB1, DRB1, DRB3, DRB4, and DRB5.

Please refer to the readme file in the sandbox directory for full details of the available data.

### Further information

Read more about the [HLA imputation method](/finngen-data-specifics/green-library-data-aggregate-data/other-analyses-available/hla.md).