Genetic Variant MROH2B:c.2241+8_2241+9insAATAAGATAGATAGATA (chr5-41033829-C-CTATCTATCTATCTTATT) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

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

The NM_173489.5(MROH2B):c.2241+8_2241+9insAATAAGATAGATAGATA variant causes a splice region, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000981 in 1,324,896 control chromosomes in the GnomAD database, with no homozygous occurrence. It is difficult to determine the true allele frequency of this variant because it is of type INS_BIG, and the frequency of such variant types in population databases may be underestimated and unreliable. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.000027 ( 0 hom., cov: 0)

Exomes 𝑓: 0.0000076 ( 0 hom. )

Consequence

MROH2B
NM_173489.5 splice_region, intron

Scores

Not classified

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -0.238

Publications

3 publications found

Variant links:

Genes affected

MROH2B (HGNC:26857): (maestro heat like repeat family member 2B) Predicted to be involved in protein kinase A signaling. Predicted to be located in acrosomal vesicle and sperm midpiece. [provided by Alliance of Genome Resources, Apr 2022]

MROH2B links:

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ACMG classification

Classification was made for transcript

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

Transcripts

RefSeq

Gene	Transcript	HGVSc	Effect	Exon rank	MANE	Protein
MROH2B	NM_173489.5 link	c.2241+8_2241+9insAATAAGATAGATAGATA	splice_region_variant, intron_variant	Intron 22 of 41	ENST00000399564.5	NP_775760.3
MROH2B	XM_011513952.2 link	c.2241+8_2241+9insAATAAGATAGATAGATA	splice_region_variant, intron_variant	Intron 22 of 42		XP_011512254.1
MROH2B	XM_011513953.2 link	c.2055+8_2055+9insAATAAGATAGATAGATA	splice_region_variant, intron_variant	Intron 21 of 40		XP_011512255.1

Ensembl

Gene	Transcript	HGVSc	Effect	Exon rank	TSL	MANE	Protein	UniProt
MROH2B	ENST00000399564.5 link	c.2241+8_2241+9insAATAAGATAGATAGATA	splice_region_variant, intron_variant	Intron 22 of 41	1	NM_173489.5	ENSP00000382476.4	Q7Z745-1
MROH2B	ENST00000506092.6 link	c.906+8_906+9insAATAAGATAGATAGATA	splice_region_variant, intron_variant	Intron 12 of 31	2		ENSP00000441504.1	F5GZ06
MROH2B	ENST00000503890.5 link	n.1203+8_1203+9insAATAAGATAGATAGATA	splice_region_variant, intron_variant	Intron 10 of 30	2
MROH2B	ENST00000515297.5 link	n.1629+8_1629+9insAATAAGATAGATAGATA	splice_region_variant, intron_variant	Intron 16 of 35	5

Frequencies

GnomAD3 genomes

AF:

0.0000274

AC:

AN:

146062

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000136

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000301

Gnomad OTH

AF:

0.00

GnomAD4 exome

AF:

0.00000763

AC:

AN:

1178834

Hom.:

Cov.:

AF XY:

0.00000852

AC XY:

AN XY:

586890

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

27640

American (AMR)

AF:

0.0000915

AC:

AN:

32796

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

22206

East Asian (EAS)

AF:

0.00

AC:

AN:

34806

South Asian (SAS)

AF:

0.00

AC:

AN:

70752

European-Finnish (FIN)

AF:

0.00

AC:

AN:

47382

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5122

European-Non Finnish (NFE)

AF:

0.00000676

AC:

AN:

887732

Other (OTH)

AF:

0.00

AC:

AN:

50398

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.519

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.0000274

AC:

AN:

146062

Hom.:

Cov.:

AF XY:

0.0000421

AC XY:

AN XY:

71180

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

38830

American (AMR)

AF:

0.000136

AC:

AN:

14658

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3336

East Asian (EAS)

AF:

0.00

AC:

AN:

5058

South Asian (SAS)

AF:

0.00

AC:

AN:

4578

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10074

Middle Eastern (MID)

AF:

0.00

AC:

AN:

304

European-Non Finnish (NFE)

AF:

0.0000301

AC:

AN:

66360

Other (OTH)

AF:

0.00

AC:

AN:

1988

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.550

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.00

Hom.:

640

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

PhyloP100

-0.24

Splicing

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

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over