12-63802265-C-T

Variant summary

Our verdict is Benign. Variant got -21 ACMG points: 0P and 21B. BP4_StrongBP6_Very_StrongBP7BA1

The NM_014254.3(RXYLT1):​c.603C>T​(p.Leu201=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.004 in 1,614,028 control chromosomes in the GnomAD database, including 165 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.0025 ( 11 hom., cov: 31)
Exomes 𝑓: 0.0042 ( 154 hom. )

Consequence

RXYLT1
NM_014254.3 synonymous

Scores

2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:5

Conservation

PhyloP100: 0.412
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]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -21 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.55).
BP6
Variant 12-63802265-C-T is Benign according to our data. Variant chr12-63802265-C-T is described in ClinVar as [Benign]. Clinvar id is 283541.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars. Variant chr12-63802265-C-T is described in Lovd as [Likely_benign].
BP7
Synonymous conserved (PhyloP=0.412 with no splicing effect.
BA1
GnomAd4 highest subpopulation (SAS) allele frequency at 95% confidence interval = 0.0509 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
RXYLT1NM_014254.3 linkuse as main transcriptc.603C>T p.Leu201= synonymous_variant 4/6 ENST00000261234.11 NP_055069.1
RXYLT1XM_047428078.1 linkuse as main transcriptc.294C>T p.Leu98= synonymous_variant 3/5 XP_047284034.1
RXYLT1NM_001278237.2 linkuse as main transcriptc.-178C>T 5_prime_UTR_variant 4/6 NP_001265166.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
RXYLT1ENST00000261234.11 linkuse as main transcriptc.603C>T p.Leu201= synonymous_variant 4/61 NM_014254.3 ENSP00000261234 P1

Frequencies

GnomAD3 genomes
AF:
0.00252
AC:
384
AN:
152140
Hom.:
11
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.000169
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000131
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000577
Gnomad SAS
AF:
0.0565
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00316
Gnomad NFE
AF:
0.00140
Gnomad OTH
AF:
0.00144
GnomAD3 exomes
AF:
0.00715
AC:
1796
AN:
251214
Hom.:
51
AF XY:
0.00904
AC XY:
1227
AN XY:
135754
show subpopulations
Gnomad AFR exome
AF:
0.000431
Gnomad AMR exome
AF:
0.000261
Gnomad ASJ exome
AF:
0.0000993
Gnomad EAS exome
AF:
0.000109
Gnomad SAS exome
AF:
0.0521
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00137
Gnomad OTH exome
AF:
0.00441
GnomAD4 exome
AF:
0.00415
AC:
6072
AN:
1461770
Hom.:
154
Cov.:
31
AF XY:
0.00554
AC XY:
4028
AN XY:
727168
show subpopulations
Gnomad4 AFR exome
AF:
0.000418
Gnomad4 AMR exome
AF:
0.000335
Gnomad4 ASJ exome
AF:
0.0000383
Gnomad4 EAS exome
AF:
0.0000504
Gnomad4 SAS exome
AF:
0.0500
Gnomad4 FIN exome
AF:
0.0000749
Gnomad4 NFE exome
AF:
0.00128
Gnomad4 OTH exome
AF:
0.00450
GnomAD4 genome
AF:
0.00252
AC:
383
AN:
152258
Hom.:
11
Cov.:
31
AF XY:
0.00318
AC XY:
237
AN XY:
74444
show subpopulations
Gnomad4 AFR
AF:
0.000168
Gnomad4 AMR
AF:
0.000131
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.000578
Gnomad4 SAS
AF:
0.0564
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00140
Gnomad4 OTH
AF:
0.00142
Alfa
AF:
0.00123
Hom.:
1
Bravo
AF:
0.00105
Asia WGS
AF:
0.0240
AC:
84
AN:
3478
EpiCase
AF:
0.00142
EpiControl
AF:
0.000948

ClinVar

Significance: Benign
Submissions summary: Benign:5
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not specified Benign:3
Benign, criteria provided, single submitterclinical testingGeneDxMay 18, 2016This variant is considered likely benign or benign based on one or more of the following criteria: it is a conservative change, it occurs at a poorly conserved position in the protein, it is predicted to be benign by multiple in silico algorithms, and/or has population frequency not consistent with disease. -
Benign, criteria provided, single submitterclinical testingAthena DiagnosticsDec 22, 2020- -
Benign, criteria provided, single submitterclinical testingEurofins Ntd Llc (ga)Sep 30, 2015- -
not provided Benign:2
Benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpJan 31, 2024- -
Benign, criteria provided, single submitternot providedBreakthrough Genomics, Breakthrough Genomics-- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.55
CADD
Benign
5.1
DANN
Benign
0.78

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs146732392; hg19: chr12-64196045; API