SE33

European Standard Set

SE33 is a tetranucleotide short tandem repeat (STR) locus on chromosome 6 (6q15), part of the European Standard Set.

Basic Information

Chromosome

Cytogenetic Location

6q15

STRNaming template (FSSG)

CTTT[n]CT[2]TTCT[3]CTTT[3]TTCT[2]_-4C>T

Type

Tetranucleotide

Alternative motifs (STRbase, historical notation)

[CTTT]n TT [CTTT]n, [CTTT]n CT [CTTT]n

Reference Allele

25.2

Explore internal sequence structure

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

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Genomic Coordinates

GRCh38/hg38

Repeat region

chr6:88,277,144-88,277,245 (102 bp)

GRCh37/hg19

Repeat region

chr6:88,986,863-88,986,964 (102 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)

CTTT[n]CT[2]TTCT[3]CTTT[3]TTCT[2]_-4C>T

CTTT[n]TTCT[n]TT[1]CT[2]TTCT[3]CTTT[3]TTCT[2]

CTTT[n]CT[2]TTCT[3]CTTT[3]TTCT[2]

CTTT[n]CT[2]TTCT[n]TT[1]CT[2]TTCT[3]CTTT[3]TTCT[2]

CTTC[2]CTTT[n]TTCT[n]TT[1]CT[2]TTCT[3]CTTT[3]TTCT[2]_-4CTTC>-

CTTC[1]CTTT[n]CT[2]TTCT[3]CTTT[3]TTCT[2]_-4C>T

Reference allele (GRCh38) named with STRNaming 1.2.1

CE25.2_CTTT[16]TTCT[9]TT[1]CT[2]TTCT[3]CTTT[3]TTCT[2]

Historical bracketing (2016-2023)

ct [cttt]2 cctt c [CTTT]16 TT [CTTT]9 ct [cttt]3 ct [cttt]2

ISFG minimum range (GRCh38)

chr6:88,277,125-88,277,281 (157 bp)

MPS kits covering this locus

ForenSeq MainstAY (Does not cover the whole ISFG minimum range.)
IDSeek OmniSTR Global

Kit range does not cover the whole ISFG minimum range of this locus (chr6:88,277,125-88,277,281), 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.

Notes from the FSSG

Originally characterized on the reverse strand. Minimum range based on historical literature, e.g. Table 1 of Rolf et al. Int J Legal Med (1997) 110 :69–72. Locus is reported in the UAS for ForenSeq MainstAY SE kit.

Related markers

Other STR markers on chromosome 6

Browse the full STR marker catalog