11-82732754-C-T

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_175885.4(FAM181B):​c.976G>A​(p.Val326Ile) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000239 in 1,463,180 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000025 ( 0 hom. )

Consequence

FAM181B
NM_175885.4 missense

Scores

1
18

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.862
Variant links:
Genes affected
FAM181B (HGNC:28512): (family with sequence similarity 181 member B)

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.05879563).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
FAM181BNM_175885.4 linkuse as main transcriptc.976G>A p.Val326Ile missense_variant 1/1 ENST00000329203.5

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
FAM181BENST00000329203.5 linkuse as main transcriptc.976G>A p.Val326Ile missense_variant 1/1 NM_175885.4 P1

Frequencies

GnomAD3 genomes
AF:
0.0000132
AC:
2
AN:
151948
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000131
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:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000148
AC:
1
AN:
67368
Hom.:
0
AF XY:
0.0000292
AC XY:
1
AN XY:
34218
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000457
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000252
AC:
33
AN:
1311232
Hom.:
0
Cov.:
38
AF XY:
0.0000267
AC XY:
17
AN XY:
637816
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000308
Gnomad4 OTH exome
AF:
0.0000185
GnomAD4 genome
AF:
0.0000132
AC:
2
AN:
151948
Hom.:
0
Cov.:
32
AF XY:
0.0000135
AC XY:
1
AN XY:
74198
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.000131
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000113

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsDec 05, 2022The c.976G>A (p.V326I) alteration is located in exon 1 (coding exon 1) of the FAM181B gene. This alteration results from a G to A substitution at nucleotide position 976, causing the valine (V) at amino acid position 326 to be replaced by an isoleucine (I). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.091
BayesDel_addAF
Benign
-0.35
T
BayesDel_noAF
Benign
-0.74
CADD
Benign
15
DANN
Benign
0.97
DEOGEN2
Benign
0.0025
T
Eigen
Benign
-0.41
Eigen_PC
Benign
-0.30
FATHMM_MKL
Benign
0.45
N
LIST_S2
Benign
0.49
T
M_CAP
Benign
0.0094
T
MetaRNN
Benign
0.059
T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
0.69
N
MutationTaster
Benign
1.0
N
PrimateAI
Uncertain
0.55
T
PROVEAN
Benign
-0.39
N
REVEL
Benign
0.063
Sift
Benign
0.19
T
Sift4G
Benign
0.49
T
Polyphen
0.50
P
Vest4
0.066
MutPred
0.13
Gain of glycosylation at S325 (P = 0.1316);
MVP
0.040
MPC
0.65
ClinPred
0.088
T
GERP RS
1.1
Varity_R
0.034
gMVP
0.088

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs1050725611; hg19: chr11-82443796; API