Genetic Variant FAM161A:n.*2255G>C (chr2-61825698-C-G) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_001201543.2(FAM161A):c.*757G>C variant causes a 3 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000012 in 416,540 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.

Frequency

Genomes: 𝑓 0.0000067 ( 0 hom., cov: 31)

Exomes 𝑓: 0.000015 ( 0 hom. )

Consequence

FAM161A
NM_001201543.2 3_prime_UTR

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -0.724

Publications

0 publications found

Variant links:

Genes affected

FAM161A (HGNC:25808): (FAM161 centrosomal protein A) This gene belongs to the FAM161 family. It is expressed mainly in the retina. Mouse studies suggested that this gene is involved in development of retinal progenitors during embryogenesis, and that its activity is restricted to mature photoreceptors after birth. Mutations in this gene cause autosomal recessive retinitis pigmentosa-28. Alternatively spliced transcript variants have been identified.[provided by RefSeq, Jan 2011]

FAM161A Gene-Disease associations (from GenCC):

retinitis pigmentosa 28
Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: Labcorp Genetics (formerly Invitae), G2P
retinitis pigmentosa
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

FAM161A links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.91).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
FAM161A	NM_001201543.2 link	c.*757G>C		3_prime_UTR_variant	Exon 7 of 7	ENST00000404929.6	NP_001188472.1	Q3B820-3

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
FAM161A	ENST00000404929.6 link	c.*757G>C		3_prime_UTR_variant	Exon 7 of 7	1	NM_001201543.2	ENSP00000385158.1		Q3B820-3

Frequencies

GnomAD3 genomes

AF:

0.00000666

AC:

AN:

150058

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:

0.0000148

Gnomad OTH

AF:

0.00

GnomAD4 exome

AF:

0.0000150

AC:

AN:

266482

Hom.:

Cov.:

AF XY:

0.0000131

AC XY:

AN XY:

153240

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

6280

American (AMR)

AF:

0.00

AC:

AN:

18170

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

9194

East Asian (EAS)

AF:

0.00

AC:

AN:

9080

South Asian (SAS)

AF:

0.00

AC:

AN:

51738

European-Finnish (FIN)

AF:

0.00

AC:

AN:

11168

Middle Eastern (MID)

AF:

0.00

AC:

AN:

934

European-Non Finnish (NFE)

AF:

0.0000203

AC:

AN:

147490

Other (OTH)

AF:

0.0000805

AC:

AN:

12428

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.513

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.00000666

AC:

AN:

150058

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

73028

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

40714

American (AMR)

AF:

0.00

AC:

AN:

14962

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3464

East Asian (EAS)

AF:

0.00

AC:

AN:

5116

South Asian (SAS)

AF:

0.00

AC:

AN:

4756

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10014

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.0000148

AC:

AN:

67746

Other (OTH)

AF:

0.00

AC:

AN:

2058

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.575

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.0000113

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.91

CADD

Benign

1.7

(source)

DANN

Benign

0.30

PhyloP100

-0.72

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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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over