Genetic Variant SLC28A1:p.Ala45Pro (chr15-84888808-G-C) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_004213.5(SLC28A1):c.133G>C(p.Ala45Pro) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000214 in 1,402,610 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/22 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. A45T) has been classified as Likely benign.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000021 ( 0 hom. )

Consequence

SLC28A1
NM_004213.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -1.29

Publications

0 publications found

Variant links:

Genes affected

SLC28A1 (HGNC:11001): (solute carrier family 28 member 1) Enables azole transmembrane transporter activity; cytidine transmembrane transporter activity; and uridine transmembrane transporter activity. Involved in azole transmembrane transport; nucleoside transport; and pyrimidine-containing compound transmembrane transport. Located in cytosol; nuclear speck; and plasma membrane. [provided by Alliance of Genome Resources, Apr 2022]

SLC28A1 links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.056922883).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
SLC28A1	NM_004213.5 link	c.133G>C	p.Ala45Pro	missense_variant	Exon 4 of 19	ENST00000394573.6	NP_004204.3	O00337-1B7Z3L5

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
SLC28A1	ENST00000394573.6 link	c.133G>C	p.Ala45Pro	missense_variant	Exon 4 of 19	1	NM_004213.5	ENSP00000378074.1	O00337-1
SLC28A1	ENST00000286749.3 link	c.133G>C	p.Ala45Pro	missense_variant	Exon 3 of 18	1		ENSP00000286749.3	O00337-1
SLC28A1	ENST00000338602.6 link	c.133G>C	p.Ala45Pro	missense_variant	Exon 4 of 7	1		ENSP00000341629.2	O00337-2
SLC28A1	ENST00000538177.5 link	c.133G>C	p.Ala45Pro	missense_variant	Exon 3 of 15	2		ENSP00000443752.1	B7Z3L6

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

0.00000214

AC:

AN:

1402610

Hom.:

Cov.:

AF XY:

0.00000289

AC XY:

AN XY:

692252

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

31760

American (AMR)

AF:

0.00

AC:

AN:

36166

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25202

East Asian (EAS)

AF:

0.00

AC:

AN:

36006

South Asian (SAS)

AF:

0.00

AC:

AN:

79384

European-Finnish (FIN)

AF:

0.00

AC:

AN:

49392

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5644

European-Non Finnish (NFE)

AF:

0.00000185

AC:

AN:

1080906

Other (OTH)

AF:

0.0000172

AC:

AN:

58150

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.508

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 v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.076

BayesDel_addAF

Benign

-0.35

BayesDel_noAF

Benign

-0.74

CADD

Benign

0.17

(source)

DANN

Benign

0.70

DEOGEN2

Benign

0.016

.;T;T;T

Eigen

Benign

-1.4

Eigen_PC

Benign

-1.4

FATHMM_MKL

Benign

0.0080

LIST_S2

Benign

0.29

T;T;T;.

M_CAP

Benign

0.0032

MetaRNN

Benign

0.057

T;T;T;T

MetaSVM

Benign

-1.0

MutationAssessor

Benign

1.3

L;.;L;L

PhyloP100

-1.3

PrimateAI

Benign

0.26

PROVEAN

Benign

-0.71

N;N;N;N

REVEL

Benign

0.010

Sift

Benign

0.25

T;T;T;T

Sift4G

Benign

0.33

T;T;T;T

Polyphen

0.0

B;B;B;B

Vest4

0.083

MutPred

0.099

Gain of catalytic residue at P44 (P = 0.0107);Gain of catalytic residue at P44 (P = 0.0107);Gain of catalytic residue at P44 (P = 0.0107);Gain of catalytic residue at P44 (P = 0.0107);

MVP

0.11

MPC

0.099

ClinPred

0.23

GERP RS

-1.9

Varity_R

0.074

gMVP

0.32

Mutation Taster

=94/6

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.070

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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chr15-84888808-G-C

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over