Genetic Variant FAM178B:p.Gly193Cys (chr2-96970765-C-A) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 0P and 2B. BP4_Moderate

The NM_001122646.3(FAM178B):c.577G>T(p.Gly193Cys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00002 in 1,550,810 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/19 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000099 ( 0 hom., cov: 31)

Exomes 𝑓: 0.000011 ( 0 hom. )

Consequence

FAM178B
NM_001122646.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.933

Publications

0 publications found

Variant links:

Genes affected

FAM178B (HGNC:28036): (family with sequence similarity 178 member B)

FAM178B links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

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

BP4

Computational evidence support a benign effect (MetaRNN=0.085553735).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001122646.3. 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
	FAM178B	NM_001122646.3	MANE Select	c.577G>T	p.Gly193Cys	missense	Exon 4 of 17	NP_001116118.2	Q8IXR5-3

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	FAM178B	ENST00000490605.3	TSL:5 MANE Select	c.577G>T	p.Gly193Cys	missense	Exon 4 of 17	ENSP00000429896.1	Q8IXR5-3

Frequencies

GnomAD3 genomes

AF:

0.0000987

AC:

AN:

151932

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000218

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000417

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000588

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000130

AC:

AN:

153986

AF XY:

0.0000122

show subpopulations

Gnomad AFR exome

AF:

0.000126

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:

0.0000168

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000114

AC:

AN:

1398878

Hom.:

Cov.:

AF XY:

0.0000188

AC XY:

AN XY:

689996

show subpopulations

African (AFR)

AF:

0.000127

AC:

AN:

31588

American (AMR)

AF:

0.00

AC:

AN:

35686

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25178

East Asian (EAS)

AF:

0.0000280

AC:

AN:

35734

South Asian (SAS)

AF:

0.0000379

AC:

AN:

79222

European-Finnish (FIN)

AF:

0.00

AC:

AN:

49274

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5694

European-Non Finnish (NFE)

AF:

0.00000649

AC:

AN:

1078532

Other (OTH)

AF:

0.0000173

AC:

AN:

57970

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.447

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:

0.0000987

AC:

AN:

151932

Hom.:

Cov.:

AF XY:

0.000108

AC XY:

AN XY:

74160

show subpopulations

African (AFR)

AF:

0.000218

AC:

AN:

41334

American (AMR)

AF:

0.00

AC:

AN:

15268

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3468

East Asian (EAS)

AF:

0.00

AC:

AN:

5190

South Asian (SAS)

AF:

0.000417

AC:

AN:

4800

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10566

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.0000588

AC:

AN:

67992

Other (OTH)

AF:

0.00

AC:

AN:

2086

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.538

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:

0.0000453

ClinVar

ClinVar submissions

Significance:Uncertain significance

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

not specified (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.099

BayesDel_addAF

Benign

-0.35

BayesDel_noAF

Benign

-0.50

CADD

Benign

(source)

DANN

Uncertain

0.99

Eigen

Benign

-0.71

Eigen_PC

Benign

-0.92

FATHMM_MKL

Benign

0.029

LIST_S2

Benign

0.31

M_CAP

Benign

0.032

MetaRNN

Benign

0.086

MetaSVM

Benign

-0.96

PhyloP100

-0.93

PrimateAI

Benign

0.24

PROVEAN

Benign

-1.8

REVEL

Benign

0.032

Sift

Benign

0.039

Sift4G

Uncertain

0.046

Vest4

0.17

MVP

0.30

MPC

0.27

ClinPred

0.16

GERP RS

-2.6

gMVP

0.054

Mutation Taster

=98/2

polymorphism

(source)

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