Genetic Variant FAM131C:p.Pro260Pro (chr1-16058500-C-T) – ACMG Classification: Benign (-7 pts)

Variant summary

Our verdict is Benign. The variant received -7 ACMG points: 0P and 7B. BP4_StrongBP6_ModerateBP7

The NM_182623.3(FAM131C):c.780G>A(p.Pro260Pro) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000169 in 1,509,530 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 benign (★).

Frequency

Genomes: 𝑓 0.00017 ( 0 hom., cov: 47)

Exomes 𝑓: 0.00017 ( 0 hom. )

Consequence

FAM131C
NM_182623.3 synonymous

Scores

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 0.0720

Publications

0 publications found

Variant links:

Genes affected

FAM131C (HGNC:26717): (family with sequence similarity 131 member C)

FAM131C links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -7 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.82).

BP6

Variant 1-16058500-C-T is Benign according to our data. Variant chr1-16058500-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 2638357.Status of the report is criteria_provided_single_submitter, 1 stars.

BP7

Synonymous conserved (PhyloP=0.072 with no splicing effect.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
FAM131C	NM_182623.3 link	c.780G>A	p.Pro260Pro	synonymous_variant	Exon 7 of 7	ENST00000375662.5	NP_872429.2	Q96AQ9

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
FAM131C	ENST00000375662.5 link	c.780G>A	p.Pro260Pro	synonymous_variant	Exon 7 of 7	1	NM_182623.3	ENSP00000364814.4		Q96AQ9
FAM131C	ENST00000494078.1 link	n.854G>A		non_coding_transcript_exon_variant	Exon 6 of 6	3

Frequencies

GnomAD3 genomes

AF:

0.000171

AC:

AN:

152234

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000964

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00327

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000735

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.000365

AC:

AN:

106814

AF XY:

0.000323

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.000120

Gnomad ASJ exome

AF:

0.000236

Gnomad EAS exome

AF:

0.00340

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000497

Gnomad OTH exome

AF:

0.000334

GnomAD4 exome

AF:

0.000169

AC:

229

AN:

1357178

Hom.:

Cov.:

AF XY:

0.000183

AC XY:

122

AN XY:

666570

show subpopulations

⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.

African (AFR)

AF:

0.0000653

AC:

AN:

30630

American (AMR)

AF:

0.0000707

AC:

AN:

28280

Ashkenazi Jewish (ASJ)

AF:

0.0000460

AC:

AN:

21754

East Asian (EAS)

AF:

0.00281

AC:

100

AN:

35586

South Asian (SAS)

AF:

0.0000557

AC:

AN:

71806

European-Finnish (FIN)

AF:

0.00

AC:

AN:

46492

Middle Eastern (MID)

AF:

0.00

AC:

AN:

3868

European-Non Finnish (NFE)

AF:

0.000106

AC:

113

AN:

1062642

Other (OTH)

AF:

0.000125

AC:

AN:

56120

⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0.000000), which strongly suggests a high chance of mosaicism in these individuals.

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.298

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.000171

AC:

AN:

152352

Hom.:

Cov.:

AF XY:

0.000188

AC XY:

AN XY:

74488

show subpopulations

⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5.

African (AFR)

AF:

0.0000962

AC:

AN:

41596

American (AMR)

AF:

0.00

AC:

AN:

15312

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00328

AC:

AN:

5182

South Asian (SAS)

AF:

0.00

AC:

AN:

4832

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10626

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.0000735

AC:

AN:

68014

Other (OTH)

AF:

0.00

AC:

AN:

2114

⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5. (p-value = 0.000000), which strongly suggests a high chance of mosaicism in these individuals.

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.298

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.000119

Hom.:

ClinVar

Significance: Likely benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not provided

Benign:1

Dec 01, 2022

CeGaT Center for Human Genetics Tuebingen

Significance:Likely benign

Review Status:criteria provided, single submitter

Collection Method:clinical testing

FAM131C: BP4, BP7 -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.82

CADD

Benign

6.5

(source)

DANN

Benign

0.75

PhyloP100

0.072

Mutation Taster

=100/0

polymorphism

(source)

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

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chr1-16058500-C-T

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over