D20S482

Other Autosomal STRs

D20S482 is a tetranucleotide short tandem repeat (STR) locus on chromosome 20 (20p13), an autosomal STR outside the CODIS core set.

Basic Information

Chromosome

Cytogenetic Location

20p13

STRNaming template (FSSG)

AGAT[n]

Type

Tetranucleotide

Alternative motifs (STRbase, historical notation)

[AGAT]n rs77560248

Reference Allele

Explore internal sequence structure

See how the STRNaming name of the reference allele maps onto its sequence: repeat blocks, flanking regions and flanking variants.

Open STR Motif Explorer

Genomic Coordinates

GRCh38/hg38

Repeat region

chr20:4,525,692-4,525,747 (56 bp)

Motif and sequences are shown on the forward (+) strand of GRCh38.

Sequence structure (FSSG)

ISFG minimum range, bracketing and kit coverage from the Forensic Sequence Structure Guide, FSSG v6.1 (STRidER; distributed as FSSG_v6-1_beta.xlsx).

STRNaming Formatted ISFG Minimum Range for Common Alleles (FSSG)

AGAT[n]

Reference allele (GRCh38) named with STRNaming 1.2.1

CE14_AGAT[14]

Historical bracketing (2016-2023)

[AGAT]14

ISFG minimum range (GRCh38)

chr20:4,525,688-4,525,754 (67 bp)

MPS kits covering this locus

ForenSeq Signature Prep/Plus and MainstAY
IDSeek OmniSTR Global (Does not cover the whole ISFG minimum range.)

Kit range does not cover the whole ISFG minimum range of this locus (chr20:4,525,688-4,525,754), according to the kit ranges in the FSSG. Bases of the minimum range outside a kit's range are not sequenced by that kit; bases filled in from the reference should be identified as such.

Allele frequencies at a glance

Most common allele per population group, with its frequency and the sample size, in the capillary electrophoresis data of pop.STR / SP-SMART.

Africa: Allele 14 (0.505, n = 100)
Native American: Allele 14 (0.461, n = 64)
East Asia: Allele 14 (0.389, n = 220)
Central and South Asia: Allele 14 (0.430, n = 192)
Europe: Allele 14 (0.466, n = 149)
Middle East: Allele 14 (0.513, n = 156)
Oceania: Allele 14 (0.333, n = 27)

Allele frequencies by population group (pop.STR, CE). Alleles absent from every group are omitted.
Allele	AFR	NAM	EAS	CSA	EUR	MES	OCE
9	0.005	0	0.002	0.005	0.017	0.006	0
10	0.020	0	0.034	0	0.003	0	0
11	0.030	0	0.020	0.016	0.013	0.006	0
12	0.055	0.031	0.057	0.016	0.017	0.029	0.093
13	0.195	0.250	0.282	0.240	0.208	0.208	0.259
14	0.505	0.461	0.389	0.430	0.466	0.513	0.333
15	0.145	0.227	0.141	0.237	0.211	0.189	0.259
16	0.045	0.031	0.073	0.057	0.064	0.045	0.037
17	0	0	0.002	0	0	0.003	0.019

Allele frequencies by population group (pop.STR, CE). Alleles absent from every group are omitted.

Variant Alleles

STRbase reports 25 sequence variants across 11 allele designations.

Related markers

Other autosomal STRs

Browse the full STR marker catalog