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GeneBe

16-68290419-G-A

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_003983.6(SLC7A6):​c.673G>A​(p.Ala225Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000483 in 1,613,926 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000059 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000047 ( 0 hom. )

Consequence

SLC7A6
NM_003983.6 missense

Scores

2
16

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.27
Variant links:
Genes affected
SLC7A6 (HGNC:11064): (solute carrier family 7 member 6) Enables basic amino acid transmembrane transporter activity. Involved in basic amino acid transmembrane transport and ornithine transport. Located in intracellular membrane-bounded organelle and plasma membrane. [provided by Alliance of Genome Resources, Apr 2022]
SLC7A6OS (HGNC:25807): (solute carrier family 7 member 6 opposite strand) Predicted to be involved in developmental process. Predicted to act upstream of or within hematopoietic progenitor cell differentiation. Predicted to be located in cytoplasm and nucleus. Implicated in progressive myoclonus epilepsy. [provided by Alliance of Genome Resources, Apr 2022]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.12779832).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
SLC7A6NM_003983.6 linkuse as main transcriptc.673G>A p.Ala225Thr missense_variant 5/11 ENST00000219343.11
SLC7A6NM_001076785.3 linkuse as main transcriptc.673G>A p.Ala225Thr missense_variant 6/12

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
SLC7A6ENST00000219343.11 linkuse as main transcriptc.673G>A p.Ala225Thr missense_variant 5/111 NM_003983.6 P1
ENST00000623181.1 linkuse as main transcriptn.2372C>T non_coding_transcript_exon_variant 1/1

Frequencies

GnomAD3 genomes
AF:
0.0000592
AC:
9
AN:
152048
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000242
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000192
Gnomad SAS
AF:
0.000207
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000882
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000159
AC:
4
AN:
251478
Hom.:
0
AF XY:
0.00000736
AC XY:
1
AN XY:
135912
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000352
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000472
AC:
69
AN:
1461878
Hom.:
0
Cov.:
31
AF XY:
0.0000495
AC XY:
36
AN XY:
727236
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000224
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000756
Gnomad4 SAS exome
AF:
0.0000232
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000558
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
AF:
0.0000592
AC:
9
AN:
152048
Hom.:
0
Cov.:
32
AF XY:
0.0000943
AC XY:
7
AN XY:
74262
show subpopulations
Gnomad4 AFR
AF:
0.0000242
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.000192
Gnomad4 SAS
AF:
0.000207
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000882
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000818
Hom.:
0
Bravo
AF:
0.0000227
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000116
AC:
1
ExAC
AF:
0.0000165
AC:
2
EpiCase
AF:
0.0000545
EpiControl
AF:
0.0000593

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsSep 16, 2021The c.673G>A (p.A225T) alteration is located in exon 6 (coding exon 3) of the SLC7A6 gene. This alteration results from a G to A substitution at nucleotide position 673, causing the alanine (A) at amino acid position 225 to be replaced by a threonine (T). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.11
BayesDel_addAF
Benign
-0.11
T
BayesDel_noAF
Benign
-0.26
CADD
Benign
20
DANN
Benign
0.95
DEOGEN2
Benign
0.19
T;T
Eigen
Benign
-0.074
Eigen_PC
Benign
0.060
FATHMM_MKL
Uncertain
0.87
D
M_CAP
Benign
0.066
D
MetaRNN
Benign
0.13
T;T
MetaSVM
Uncertain
-0.18
T
MutationAssessor
Benign
2.0
M;M
MutationTaster
Benign
0.61
D;D
PrimateAI
Benign
0.36
T
PROVEAN
Benign
-0.060
N;N
REVEL
Benign
0.28
Sift
Benign
0.15
T;T
Sift4G
Benign
0.39
T;T
Polyphen
0.026
B;B
Vest4
0.098
MVP
0.86
MPC
0.54
ClinPred
0.16
T
GERP RS
3.8
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.083
gMVP
0.49

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.060
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: rs368252496; hg19: chr16-68324322; COSMIC: COSV54719237; COSMIC: COSV54719237; API