dbSNP rs1186697673: RPS28:c.40-7C>T (chr19-8321649-C-T) – ACMG Classification: Likely_benign (-4 pts)

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 2P and 6B. PM2BP4_StrongBP6_Moderate

The NM_001031.5(RPS28):c.40-7C>T variant causes a splice region, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000142 in 1,404,052 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

RPS28
NM_001031.5 splice_region, intron

Scores

Splicing: ADA: 0.00003331

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: -0.0920

Publications

0 publications found

Variant links:

Genes affected

RPS28 (HGNC:10418): (ribosomal protein S28) Ribosomes, the organelles that catalyze protein synthesis, consist of a small 40S subunit and a large 60S subunit. Together these subunits are composed of 4 RNA species and approximately 80 structurally distinct proteins. This gene encodes a ribosomal protein that is a component of the 40S subunit. The protein belongs to the S28E family of ribosomal proteins. It is located in the cytoplasm. As is typical for genes encoding ribosomal proteins, there are multiple processed pseudogenes of this gene dispersed through the genome. [provided by RefSeq, Jul 2008]

RPS28 Gene-Disease associations (from GenCC):

Diamond-Blackfan anemia 15 with mandibulofacial dysostosis
Inheritance: AD Classification: MODERATE, LIMITED Submitted by: PanelApp Australia, Labcorp Genetics (formerly Invitae), Ambry Genetics
Diamond-Blackfan anemia
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

RPS28 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -4 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.67).

BP6

Variant 19-8321649-C-T is Benign according to our data. Variant chr19-8321649-C-T is described in ClinVar as Likely_benign. ClinVar VariationId is 2155844.Status of the report is criteria_provided_single_submitter, 1 stars.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001031.5. 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
	RPS28	NM_001031.5	MANE Select	c.40-7C>T		splice_region intron	N/A	NP_001022.1	P62857

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	Effect	Exon Rank	Protein	UniProt
RPS28	ENST00000600659.3	TSL:1 MANE Select	c.40-7C>T	splice_region intron	N/A	ENSP00000472469.1	P62857
RPS28	ENST00000602140.1	TSL:1	n.76-7C>T	splice_region intron	N/A
RPS28	ENST00000930317.1		c.40-7C>T	splice_region intron	N/A	ENSP00000600376.1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000510

AC:

AN:

196104

AF XY:

0.00000939

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 FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000142

AC:

AN:

1404052

Hom.:

Cov.:

AF XY:

0.00000289

AC XY:

AN XY:

692216

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:

31884

American (AMR)

AF:

0.00

AC:

AN:

36616

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

22466

East Asian (EAS)

AF:

0.00

AC:

AN:

39010

South Asian (SAS)

AF:

0.0000257

AC:

AN:

77828

European-Finnish (FIN)

AF:

0.00

AC:

AN:

50648

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5366

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1082580

Other (OTH)

AF:

0.00

AC:

AN:

57654

⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0.00233887), which strongly suggests a high chance of mosaicism in these individuals.

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.350

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

ClinVar submissions

Significance:Likely benign

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

not provided (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.67

CADD

Benign

5.6

(source)

DANN

Benign

0.79

PhyloP100

-0.092

PromoterAI

-0.011

Neutral

(source)

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

2.1

Splicing

Name

Calibrated prediction

Score

Prediction

dbscSNV1_ADA

Benign

0.000033

dbscSNV1_RF

Benign

0.0

SpliceAI score (max)

0.020

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