Genetic Variant SLC5A6:p.Ile629Ile (chr2-27200457-G-T) – ACMG Classification: Likely_benign (-3 pts)

Variant summary

Our verdict is Likely benign. The variant received -3 ACMG points: 2P and 5B. PM2BP4_StrongBP7

The NM_021095.4(SLC5A6):c.1887C>A(p.Ile629Ile) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,460,990 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

SLC5A6
NM_021095.4 synonymous

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -0.0110

Publications

1 publications found

Variant links:

Genes affected

SLC5A6 (HGNC:11041): (solute carrier family 5 member 6) Enables biotin transmembrane transporter activity and pantothenate transmembrane transporter activity. Involved in anion transmembrane transport and transport across blood-brain barrier. Located in plasma membrane. [provided by Alliance of Genome Resources, Apr 2022]

SLC5A6 Gene-Disease associations (from GenCC):

neurodegeneration, infantile-onset, biotin-responsive
Inheritance: AR Classification: STRONG, MODERATE Submitted by: Labcorp Genetics (formerly Invitae), G2P, Ambry Genetics, PanelApp Australia
peripheral motor neuropathy, childhood-onset, biotin-responsive
Inheritance: AR Classification: STRONG Submitted by: PanelApp Australia
inherited neurodegenerative disorder
Inheritance: AR Classification: MODERATE Submitted by: Illumina

SLC5A6 links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -3 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.62).

BP7

Synonymous conserved (PhyloP=-0.011 with no splicing effect.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_021095.4. 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
	SLC5A6	NM_021095.4	MANE Select	c.1887C>A	p.Ile629Ile	synonymous	Exon 17 of 17	NP_066918.2	Q9Y289
	SLC5A6	NR_028323.2		n.2695C>A		non_coding_transcript_exon	Exon 16 of 17

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
SLC5A6	ENST00000310574.8	TSL:1 MANE Select	c.1887C>A	p.Ile629Ile	synonymous	Exon 17 of 17	ENSP00000310208.3	Q9Y289
SLC5A6	ENST00000408041.5	TSL:1	c.1887C>A	p.Ile629Ile	synonymous	Exon 18 of 18	ENSP00000384853.1	Q9Y289
SLC5A6	ENST00000892752.1		c.1920C>A	p.Ile640Ile	synonymous	Exon 17 of 17	ENSP00000562811.1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000401

AC:

AN:

249536

AF XY:

0.00000742

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.0000290

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:

0.00

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1460990

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

726808

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33466

American (AMR)

AF:

0.0000224

AC:

AN:

44622

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26032

East Asian (EAS)

AF:

0.00

AC:

AN:

39698

South Asian (SAS)

AF:

0.00

AC:

AN:

86166

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53400

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5766

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1111472

Other (OTH)

AF:

0.00

AC:

AN:

60368

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.575

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.62

CADD

Benign

5.1

(source)

DANN

Benign

0.71

PhyloP100

-0.011

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Mutation Taster

=100/0

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over