chr12-63805315-G-A

Variant names:

Variant summary

Our verdict is Benign. The variant received -17 ACMG points: 0P and 17B. BP4_StrongBP6_Very_StrongBP7BS1

The NM_014254.3(RXYLT1):c.825G>A(p.Thr275Thr) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000442 in 1,613,318 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.0025 ( 1 hom., cov: 32)

Exomes 𝑓: 0.00023 ( 0 hom. )

Consequence

RXYLT1
NM_014254.3 synonymous

Scores

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:4

Conservation

PhyloP100: -3.00

Publications

0 publications found

Variant links:

Genes affected

RXYLT1 (HGNC:13530): (ribitol xylosyltransferase 1) This gene encodes a type II transmembrane protein that is thought to have glycosyltransferase function. Mutations in this gene result in cobblestone lissencephaly. Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq, May 2013]

RXYLT1 links:

RXYLT1-AS1 (HGNC:48910): (RXYLT1 antisense RNA 1)

RXYLT1-AS1 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -17 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.79).

BP6

Variant 12-63805315-G-A is Benign according to our data. Variant chr12-63805315-G-A is described in ClinVar as Benign/Likely_benign. ClinVar VariationId is 386581.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BP7

Synonymous conserved (PhyloP=-3 with no splicing effect.

BS1

Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.00248 (378/152276) while in subpopulation AFR AF = 0.00883 (367/41570). AF 95% confidence interval is 0.00808. There are 1 homozygotes in GnomAd4. There are 164 alleles in the male GnomAd4 subpopulation. Median coverage is 32. This position passed quality control check.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
RXYLT1	NM_014254.3 link	c.825G>A	p.Thr275Thr	synonymous_variant	Exon 5 of 6	ENST00000261234.11	NP_055069.1	Q9Y2B1
RXYLT1	NM_001278237.2 link	c.45G>A	p.Thr15Thr	synonymous_variant	Exon 5 of 6		NP_001265166.1	Q9Y2B1
RXYLT1	XM_047428078.1 link	c.516G>A	p.Thr172Thr	synonymous_variant	Exon 4 of 5		XP_047284034.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
RXYLT1	ENST00000261234.11 link	c.825G>A	p.Thr275Thr	synonymous_variant	Exon 5 of 6	1	NM_014254.3	ENSP00000261234.6		Q9Y2B1

Frequencies

GnomAD3 genomes

AF:

0.00247

AC:

376

AN:

152160

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00881

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000524

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:

0.0000147

Gnomad OTH

AF:

0.000958

GnomAD2 exomes

AF:

0.000591

AC:

148

AN:

250428

AF XY:

0.000451

show subpopulations

Gnomad AFR exome

AF:

0.00870

Gnomad AMR exome

AF:

0.000146

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.000164

GnomAD4 exome

AF:

0.000229

AC:

335

AN:

1461042

Hom.:

Cov.:

AF XY:

0.000201

AC XY:

146

AN XY:

726814

show subpopulations

African (AFR)

AF:

0.00856

AC:

286

AN:

33428

American (AMR)

AF:

0.000247

AC:

AN:

44582

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26110

East Asian (EAS)

AF:

0.00

AC:

AN:

39636

South Asian (SAS)

AF:

0.0000116

AC:

AN:

86106

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53406

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5754

European-Non Finnish (NFE)

AF:

0.0000135

AC:

AN:

1111664

Other (OTH)

AF:

0.000365

AC:

AN:

60356

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.465

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:

0.00248

AC:

378

AN:

152276

Hom.:

Cov.:

AF XY:

0.00220

AC XY:

164

AN XY:

74468

show subpopulations

African (AFR)

AF:

0.00883

AC:

367

AN:

41570

American (AMR)

AF:

0.000523

AC:

AN:

15288

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5184

South Asian (SAS)

AF:

0.00

AC:

AN:

4822

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10612

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.0000147

AC:

AN:

68014

Other (OTH)

AF:

0.000948

AC:

AN:

2110

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.516

Heterozygous variant carriers

105

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome 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

Alfa

AF:

0.00109

Hom.:

Bravo

AF:

0.00286

Asia WGS

AF:

0.000578

AC:

AN:

3476

ClinVar

Significance: Benign/Likely benign

Submissions summary: Benign:4

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not provided

Benign:3

Jan 20, 2025

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Jan 01, 2023

CeGaT Center for Human Genetics Tuebingen

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

RXYLT1: BP4, BP7 -

Apr 25, 2021

GeneDx

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

not specified

Benign:1

Jan 13, 2020

Athena Diagnostics

Significance:Benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.79

CADD

Benign

0.13

(source)

DANN

Benign

0.79

PhyloP100

-3.0

Mutation Taster

=99/1

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.0

Details are displayed if max score is > 0.2

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

Publications

You must be logged in to view publications. This limit was set because tens of millions (!) of queries from AI bots are generated daily.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over