D22S1045

CODIS Core

D22S1045 is a trinucleotide short tandem repeat (STR) locus on chromosome 22 (22q12.3), one of the 20 CODIS core loci.

Basic Information

Chromosome

Cytogenetic Location

22q12.3

STRNaming template (FSSG)

ATT[n]ACT[1]ATT[2]

Type

Trinucleotide

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.

Genomic Coordinates

Repeat region

chr22:37,140,287-37,140,337 (51 bp)

Repeat region

chr22:37,536,327-37,536,377 (51 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)

ATT[n]ACT[1]ATT[2]

Reference allele (GRCh38) named with STRNaming 1.2.1

CE17_ATT[14]ACT[1]ATT[2]

Historical bracketing (2016-2023)

[ATT]14 ACT [ATT]2

ISFG minimum range (GRCh38)

chr22:37,140,283-37,140,341 (59 bp)

MPS kits covering this locus

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 17 (0.275, n = 102)
Native American: Allele 15 (0.349, n = 546)
East Asia: Allele 11 (0.268, n = 226)
Central and South Asia: Allele 15 (0.380, n = 200)
Europe: Allele 15 (0.334, n = 1,820)
Middle East: Allele 15 (0.411, n = 151)
Oceania: Allele 15 (0.479, n = 24)

Allele frequencies by population group (pop.STR, CE). Alleles absent from every group are omitted.
Allele	AFR	NAM	EAS	CSA	EUR	MES	OCE
8	0	0.001	0	0	0.001	0	0
9	0	0	0	0.005	0.001	0	0
10	0.088	0.038	0.002	0.005	0.012	0.010	0
11	0.157	0.103	0.268	0.233	0.129	0.129	0.021
12	0.029	0.030	0.002	0.003	0.020	0.043	0
13	0.020	0.003	0.004	0.003	0.005	0.003	0.063
14	0.064	0.063	0.027	0.083	0.048	0.046	0
15	0.186	0.349	0.252	0.380	0.334	0.411	0.479
16	0.167	0.266	0.246	0.223	0.310	0.291	0.313
17	0.275	0.134	0.179	0.060	0.129	0.050	0.104
18	0.010	0.012	0.015	0.007	0.009	0.017	0.021
19	0.005	0.001	0.004	0	0.002	0	0

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

Variant Alleles

STRbase reports 27 sequence variants across 13 allele designations.

15.1

Related markers

Other CODIS core loci