NM_012228.4:c.342C>A

Variant names:

• chr10-23119349-C-A
• rs7427
• NM_012228.4:c.342C>A

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_012228.4(MSRB2):​c.342C>A​(p.Ser114Ser) 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 1,461,864 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as (no stars).

• Frequency:
  • Genomes: not found (cov: 31)
  • Exomes 𝑓: 6.8e-7 (0 hom.)
• Consequence: MSRB2 NM_012228.4 synonymous
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -3.05
• Publications: 26 publications found

Genes affected

MSRB2 (HGNC:17061): (methionine sulfoxide reductase B2) Predicted to enable actin binding activity; peptide-methionine (R)-S-oxide reductase activity; and zinc ion binding activity. Predicted to be involved in actin filament polymerization and protein repair. Predicted to be located in mitochondrion. Predicted to be active in cytoplasm. [provided by Alliance of Genome Resources, Apr 2022]

ENSG00000286924 (HGNC:):

ACMG classification

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_012228.4. 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
	MSRB2	NM_012228.4	MANE Select	c.342C>A	p.Ser114Ser	synonymous	Exon 4 of 5	NP_036360.3

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	MSRB2	ENST00000376510.8	TSL:1 MANE Select	c.342C>A	p.Ser114Ser	synonymous	Exon 4 of 5	ENSP00000365693.3	Q9Y3D2
	MSRB2	ENST00000900184.1		c.369C>A	p.Ser123Ser	synonymous	Exon 4 of 5	ENSP00000570243.1
	MSRB2	ENST00000900183.1		c.363C>A	p.Ser121Ser	synonymous	Exon 4 of 5	ENSP00000570242.1

Frequencies

GnomAD3 genomes Cov.: 31

GnomAD4 exome AF: 6.84e-7 AC: 1 AN: 1461864 Hom.: 0 Cov.: 38 AF XY: 0.00000138 AC XY: 1 AN XY: 727228

African (AFR) AF: 0.00 AC: 0 AN: 33478

American (AMR) AF: 0.00 AC: 0 AN: 44724

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26134

East Asian (EAS) AF: 0.00 AC: 0 AN: 39700

South Asian (SAS) AF: 0.00 AC: 0 AN: 86254

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53420

Middle Eastern (MID) AF: 0.000173 AC: 1 AN: 5766

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 1111994

Other (OTH) AF: 0.00 AC: 0 AN: 60394

GnomAD4 genome Cov.: 31

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.52
CADD	Benign	3.9
DANN	Benign	0.92
PhyloP100		-3.0

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.24		Details are displayed if max score is > 0.2
DS_AG_spliceai		0.24		Position offset: 2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Other links and lift over

dbSNP: rs7427; hg19: chr10-23408278;