NM_032740.4:c.62C>T

Variant names:

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_032740.4(SFT2D3):c.62C>T(p.Ala21Val) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000254 in 1,180,898 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/22 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. A21E) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 34)

Exomes 𝑓: 0.0000025 ( 0 hom. )

Consequence

SFT2D3
NM_032740.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.364

Publications

0 publications found

Variant links:

Genes affected

SFT2D3 (HGNC:28767): (SFT2 domain containing 3) Predicted to be involved in protein transport and vesicle-mediated transport. Predicted to be integral component of membrane. [provided by Alliance of Genome Resources, Apr 2022]

SFT2D3 links:

WDR33 (HGNC:25651): (WD repeat domain 33) This gene encodes a member of the WD repeat protein family. WD repeats are minimally conserved regions of approximately 40 amino acids typically bracketed by gly-his and trp-asp (GH-WD), which may facilitate formation of heterotrimeric or multiprotein complexes. Members of this family are involved in a variety of cellular processes, including cell cycle progression, signal transduction, apoptosis, and gene regulation. This gene is highly expressed in testis and the protein is localized to the nucleus. This gene may play important roles in the mechanisms of cytodifferentiation and/or DNA recombination. Multiple alternatively spliced transcript variants encoding distinct isoforms have been found for this gene. [provided by RefSeq, Jul 2008]

WDR33 links:

ENSG00000293688 (HGNC:):

ENSG00000293688 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.124554515).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
SFT2D3	NM_032740.4 link	c.62C>T	p.Ala21Val	missense_variant	Exon 1 of 1	ENST00000310981.6	NP_116129.3	Q587I9
WDR33	NM_018383.5 link	c.*4733G>A		3_prime_UTR_variant	Exon 22 of 22	ENST00000322313.9	NP_060853.3	Q9C0J8-1
WDR33	XM_011511436.2 link	c.*4733G>A		3_prime_UTR_variant	Exon 22 of 22		XP_011509738.1	Q9C0J8-1
WDR33	XM_005263697.4 link	c.*4903G>A		3_prime_UTR_variant	Exon 21 of 21		XP_005263754.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
SFT2D3	ENST00000310981.6 link	c.62C>T	p.Ala21Val	missense_variant	Exon 1 of 1	6	NM_032740.4	ENSP00000310803.3	Q587I9
WDR33	ENST00000322313.9 link	c.*4733G>A		3_prime_UTR_variant	Exon 22 of 22	1	NM_018383.5	ENSP00000325377.3	Q9C0J8-1
ENSG00000293688	ENST00000718293.1 link	n.-130G>A		upstream_gene_variant

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

0.00000254

AC:

AN:

1180898

Hom.:

Cov.:

AF XY:

0.00000519

AC XY:

AN XY:

577936

show subpopulations

⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.

African (AFR)

AF:

0.00

AC:

AN:

24172

American (AMR)

AF:

0.00

AC:

AN:

13588

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

17016

East Asian (EAS)

AF:

0.00

AC:

AN:

27044

South Asian (SAS)

AF:

0.00

AC:

AN:

50672

European-Finnish (FIN)

AF:

0.00

AC:

AN:

31224

Middle Eastern (MID)

AF:

0.00

AC:

AN:

3110

European-Non Finnish (NFE)

AF:

0.00000310

AC:

AN:

966884

Other (OTH)

AF:

0.00

AC:

AN:

47188

⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0.000000), which strongly suggests a high chance of mosaicism in these individuals.

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.225

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

0.094

BayesDel_addAF

Benign

-0.20

BayesDel_noAF

Benign

-0.52

CADD

Benign

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.0060

Eigen

Benign

-0.91

Eigen_PC

Benign

-0.99

FATHMM_MKL

Benign

0.13

LIST_S2

Benign

0.46

M_CAP

Pathogenic

0.39

MetaRNN

Benign

0.12

MetaSVM

Benign

-1.0

MutationAssessor

Benign

1.7

PhyloP100

0.36

PrimateAI

Uncertain

0.78

PROVEAN

Benign

-0.92

REVEL

Benign

0.017

Sift

Benign

0.19

Sift4G

Benign

0.10

Polyphen

0.032

Vest4

0.088

MutPred

0.15

Gain of methylation at K16 (P = 0.0989);

MVP

0.50

ClinPred

0.20

GERP RS

0.90

PromoterAI

0.011

Neutral

(source)

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

2.0

Varity_R

0.061

gMVP

0.34

Mutation Taster

=89/11

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

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over