dbSNP rs786200942: B3GALT6:p.Met139_Ala141del (chr1-1232684-GTGCTGGCCA-G) – ACMG Classification: Uncertain_significance (4 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 4 ACMG points: 4P and 0B. PM2PM4

The NM_080605.4(B3GALT6):c.415_423delATGCTGGCC(p.Met139_Ala141del) variant causes a conservative inframe deletion change. The variant allele was found at a frequency of 0.00000215 in 1,394,302 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 33)

Exomes 𝑓: 0.0000016 ( 0 hom. )

Consequence

B3GALT6
NM_080605.4 conservative_inframe_deletion

Scores

Not classified

Clinical Significance

Uncertain significance criteria provided, single submitter P:1U:1

Conservation

PhyloP100: 5.84

Publications

0 publications found

Variant links:

Genes affected

B3GALT6 (HGNC:17978): (beta-1,3-galactosyltransferase 6) The enzyme encoded by this intronless gene is a beta-1,3-galactosyltransferase found in the medial Golgi apparatus, where it catalyzes the transfer of galactose from UDP-galactose to substrates containing a terminal beta-linked galactose moiety. The encoded enzyme has a particular affinity for galactose-beta-1,4-xylose found in the linker region of glycosamines. This enzyme is required for glycosaminoglycan synthesis. [provided by RefSeq, Jun 2013]

B3GALT6 links:

SDF4 (HGNC:24188): (stromal cell derived factor 4) This gene encodes a stromal cell derived factor that is a member of the CREC protein family. The encoded protein contains six EF-hand motifs and calcium-binding motifs. This protein localizes to the Golgi lumen and may be involved in regulating calcium dependent cellular activities. [provided by RefSeq, Sep 2011]

SDF4 links:

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new If you want to explore the variant's impact on the transcript NM_080605.4, check out the Mutation Effect Viewer. This is especially useful for frameshift variants or if you want to visualize the effect of exon loss / intron retention.

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 4 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PM4

Nonframeshift variant in NON repetitive region in NM_080605.4.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_080605.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	B3GALT6	NM_080605.4	MANE Select	c.415_423delATGCTGGCC	p.Met139_Ala141del	conservative_inframe_deletion	Exon 1 of 1	NP_542172.2	Q96L58

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	B3GALT6	ENST00000379198.5	TSL:6 MANE Select	c.415_423delATGCTGGCC	p.Met139_Ala141del	conservative_inframe_deletion	Exon 1 of 1	ENSP00000368496.2	Q96L58
	SDF4	ENST00000900948.1		c.-174-3747_-174-3739delTGGCCAGCA		intron	N/A	ENSP00000571007.1

Frequencies

GnomAD3 genomes

AF:

0.00000663

AC:

AN:

150724

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000148

Gnomad OTH

AF:

0.00

GnomAD4 exome

AF:

0.00000161

AC:

AN:

1243578

Hom.:

AF XY:

0.00000326

AC XY:

AN XY:

612714

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

24968

American (AMR)

AF:

0.00

AC:

AN:

20160

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

18836

East Asian (EAS)

AF:

0.00

AC:

AN:

29254

South Asian (SAS)

AF:

0.00

AC:

AN:

59130

European-Finnish (FIN)

AF:

0.00

AC:

AN:

32012

Middle Eastern (MID)

AF:

0.00

AC:

AN:

4892

European-Non Finnish (NFE)

AF:

0.00000199

AC:

AN:

1004830

Other (OTH)

AF:

0.00

AC:

AN:

49496

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.425

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.00000663

AC:

AN:

150724

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

73562

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41292

American (AMR)

AF:

0.00

AC:

AN:

15114

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3448

East Asian (EAS)

AF:

0.00

AC:

AN:

5178

South Asian (SAS)

AF:

0.00

AC:

AN:

4834

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10040

Middle Eastern (MID)

AF:

0.00

AC:

AN:

314

European-Non Finnish (NFE)

AF:

0.0000148

AC:

AN:

67520

Other (OTH)

AF:

0.00

AC:

AN:

2072

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000378

ClinVar

ClinVar submissions

Significance:Uncertain significance

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

Ehlers-Danlos syndrome, spondylodysplastic type, 2 (1)

not provided (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

PhyloP100

5.8

Mutation Taster

=3/197

disease causing (ClinVar)

(source)

Splicing

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

MaxEntScan Visualizer can be used to analyze the impact of this mutation on the neighboring sequence.

Publications

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over