Genetic Variant FAM98C:p.Ala103Ala (chr19-38403654-G-A) – ACMG Classification: Likely_benign (-3 pts)

Variant summary

Our verdict is Likely benign. The variant received -3 ACMG points: 2P and 5B. PM2BP4_StrongBP7

The NM_174905.4(FAM98C):c.309G>A(p.Ala103Ala) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000185 in 1,408,412 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Synonymous variant affecting the same amino acid position (i.e. A103A) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000020 ( 0 hom. )

Consequence

FAM98C
NM_174905.4 synonymous

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.393

Publications

0 publications found

Variant links:

Genes affected

FAM98C (HGNC:27119): (family with sequence similarity 98 member C) Predicted to be part of tRNA-splicing ligase complex. [provided by Alliance of Genome Resources, Apr 2022]

FAM98C links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -3 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.7).

BP7

Synonymous conserved (PhyloP=0.393 with no splicing effect.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_174905.4. 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
	FAM98C	NM_174905.4	MANE Select	c.309G>A	p.Ala103Ala	synonymous	Exon 3 of 8	NP_777565.3
	FAM98C	NM_001351675.1		c.309G>A	p.Ala103Ala	synonymous	Exon 3 of 6	NP_001338604.1	Q17RN3-2

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
FAM98C	ENST00000252530.10	TSL:1 MANE Select	c.309G>A	p.Ala103Ala	synonymous	Exon 3 of 8	ENSP00000252530.4	Q17RN3-1
FAM98C	ENST00000343358.11	TSL:1	c.309G>A	p.Ala103Ala	synonymous	Exon 3 of 6	ENSP00000340348.6	Q17RN3-2
FAM98C	ENST00000588262.5	TSL:1	c.309G>A	p.Ala103Ala	synonymous	Exon 3 of 5	ENSP00000467974.1	K7EQT7

Frequencies

GnomAD3 genomes

AF:

0.00000657

AC:

AN:

152230

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

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:

0.0000147

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.00

AC:

AN:

29438

AF XY:

0.00

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:

0.0000199

AC:

AN:

1256182

Hom.:

Cov.:

AF XY:

0.0000163

AC XY:

AN XY:

612448

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

24936

American (AMR)

AF:

0.00

AC:

AN:

14194

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

18716

East Asian (EAS)

AF:

0.00

AC:

AN:

28052

South Asian (SAS)

AF:

0.00

AC:

AN:

60702

European-Finnish (FIN)

AF:

0.00

AC:

AN:

31034

Middle Eastern (MID)

AF:

0.00

AC:

AN:

3950

European-Non Finnish (NFE)

AF:

0.0000244

AC:

AN:

1022714

Other (OTH)

AF:

0.00

AC:

AN:

51884

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.473

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:

0.00000657

AC:

AN:

152230

Hom.:

Cov.:

AF XY:

0.0000134

AC XY:

AN XY:

74368

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41466

American (AMR)

AF:

0.00

AC:

AN:

15288

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5184

South Asian (SAS)

AF:

0.00

AC:

AN:

4836

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10622

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.0000147

AC:

AN:

68044

Other (OTH)

AF:

0.00

AC:

AN:

2092

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

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.:

Bravo

AF:

0.00000378

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.70

CADD

Benign

6.4

(source)

DANN

Benign

0.89

PhyloP100

0.39

PromoterAI

0.036

Neutral

(source)

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.1

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

You must be logged in to view publications. This limit was set because tens of millions (!) of queries from AI bots are generated daily.

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