dbSNP rs551450545: RMRP:n.244A>G (chr9-35657776-T-C) – ACMG Classification: Likely_pathogenic (7 pts)

Variant summary

Our verdict is Likely pathogenic. The variant received 7 ACMG points: 8P and 1B. PP5_Very_StrongBP4

The NR_003051.4(RMRP):n.244A>G variant causes a non coding transcript exon change. The variant allele was found at a frequency of 0.0000861 in 696,526 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 Likely pathogenic (★★).

Frequency

Genomes: 𝑓 0.000092 ( 0 hom., cov: 34)

Exomes 𝑓: 0.000085 ( 0 hom. )

Consequence

RMRP
NR_003051.4 non_coding_transcript_exon

Scores

Clinical Significance

Pathogenic/Likely pathogenic criteria provided, multiple submitters, no conflicts P:5

Conservation

PhyloP100: 7.16

Publications

1 publications found

Variant links:

Genes affected

RMRP (HGNC:10031): (RNA component of mitochondrial RNA processing endoribonuclease) This gene encodes the RNA component of mitochondrial RNA processing endoribonuclease, which cleaves mitochondrial RNA at a priming site of mitochondrial DNA replication. This RNA also interacts with the telomerase reverse transcriptase catalytic subunit to form a distinct ribonucleoprotein complex that has RNA-dependent RNA polymerase activity and produces double-stranded RNAs that can be processed into small interfering RNA. Mutations in this gene are associated with cartilage-hair hypoplasia.[provided by RefSeq, Mar 2010]

RMRP Gene-Disease associations (from GenCC):

cartilage-hair hypoplasia
Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: G2P, ClinGen, Myriad Women’s Health, Labcorp Genetics (formerly Invitae)

RMRP links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_pathogenic. The variant received 7 ACMG points.

PP5

Variant 9-35657776-T-C is Pathogenic according to our data. Variant chr9-35657776-T-C is described in ClinVar as Pathogenic/Likely_pathogenic. ClinVar VariationId is 487451.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.14). . Strength limited to SUPPORTING due to the PP5.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NR_003051.4. 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
	RMRP	NR_003051.4	MANE Select	n.244A>G		non_coding_transcript_exon	Exon 1 of 1

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	RMRP	ENST00000363046.2	TSL:6 MANE Select	n.244A>G		non_coding_transcript_exon	Exon 1 of 1

Frequencies

GnomAD3 genomes

AF:

0.0000920

AC:

AN:

152212

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000724

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.0000655

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:

0.000147

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.000116

AC:

AN:

128784

AF XY:

0.000128

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.000288

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.000248

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000845

AC:

AN:

544314

Hom.:

Cov.:

AF XY:

0.0000952

AC XY:

AN XY:

294072

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

15672

American (AMR)

AF:

0.00

AC:

AN:

34618

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

19962

East Asian (EAS)

AF:

0.0000625

AC:

AN:

32008

South Asian (SAS)

AF:

0.00

AC:

AN:

62618

European-Finnish (FIN)

AF:

0.00

AC:

AN:

33110

Middle Eastern (MID)

AF:

0.00

AC:

AN:

2428

European-Non Finnish (NFE)

AF:

0.000134

AC:

AN:

313640

Other (OTH)

AF:

0.0000661

AC:

AN:

30258

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.505

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:

0.0000920

AC:

AN:

152212

Hom.:

Cov.:

AF XY:

0.0000807

AC XY:

AN XY:

74366

show subpopulations

African (AFR)

AF:

0.0000724

AC:

AN:

41448

American (AMR)

AF:

0.0000655

AC:

AN:

15274

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5200

South Asian (SAS)

AF:

0.00

AC:

AN:

4834

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10628

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.000147

AC:

AN:

68036

Other (OTH)

AF:

0.00

AC:

AN:

2092

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.489

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:

0.000139

Hom.:

Bravo

AF:

0.0000642

ClinVar

ClinVar submissions

Significance:Pathogenic/Likely pathogenic

Revision:criteria provided, multiple submitters, no conflicts

View on ClinVar

Pathogenic

VUS

Benign

Condition

Metaphyseal chondrodysplasia, McKusick type (2)

Anauxetic dysplasia (1)

Metaphyseal chondrodysplasia, McKusick type;C1834821:Metaphyseal dysplasia without hypotrichosis;C4551965:Anauxetic dysplasia 1 (1)

RMRP-related disorder (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.14

CADD

Benign

(source)

DANN

Benign

0.91

PhyloP100

7.2

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

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over