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GeneBe

12-13055744-C-T

Variant summary

Our verdict is Likely benign. Variant got -4 ACMG points: 2P and 6B. PM2BP4_StrongBP6_Moderate

The NM_020853.2(FAM234B):c.231C>T(p.Val77=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000186 in 1,614,222 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.00021 ( 0 hom., cov: 32)
Exomes 𝑓: 0.00018 ( 1 hom. )

Consequence

FAM234B
NM_020853.2 synonymous

Scores

2

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: -0.149
Variant links:
Genes affected
FAM234B (HGNC:29288): (family with sequence similarity 234 member B) Predicted to be located in Golgi apparatus and cytoskeleton. Predicted to be integral component of membrane. [provided by Alliance of Genome Resources, Apr 2022]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -4 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.84).
BP6
Variant 12-13055744-C-T is Benign according to our data. Variant chr12-13055744-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 3053369.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
FAM234BNM_020853.2 linkuse as main transcriptc.231C>T p.Val77= synonymous_variant 2/13 ENST00000197268.13

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
FAM234BENST00000197268.13 linkuse as main transcriptc.231C>T p.Val77= synonymous_variant 2/131 NM_020853.2 P1
FAM234BENST00000416494.6 linkuse as main transcriptc.231C>T p.Val77= synonymous_variant, NMD_transcript_variant 2/142

Frequencies

GnomAD3 genomes
AF:
0.000210
AC:
32
AN:
152246
Hom.:
0
Cov.:
32
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:
0.00616
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:
0.000506
AC:
127
AN:
251190
Hom.:
0
AF XY:
0.000486
AC XY:
66
AN XY:
135784
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00680
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.000327
GnomAD4 exome
AF:
0.000184
AC:
269
AN:
1461858
Hom.:
1
Cov.:
32
AF XY:
0.000172
AC XY:
125
AN XY:
727222
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00635
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000630
Gnomad4 OTH exome
AF:
0.000166
GnomAD4 genome
AF:
0.000210
AC:
32
AN:
152364
Hom.:
0
Cov.:
32
AF XY:
0.000188
AC XY:
14
AN XY:
74516
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00617
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.000246
Asia WGS
AF:
0.00173
AC:
6
AN:
3478

ClinVar

Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

FAM234B-related disorder Benign:1
Likely benign, criteria provided, single submitterclinical testingPreventionGenetics, part of Exact SciencesMar 20, 2019This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.84
Cadd
Benign
1.9
Dann
Benign
0.36

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.010
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: rs199998591; hg19: chr12-13208678; API