18-54362334-T-C

Variant summary

Our verdict is Benign. Variant got -9 ACMG points: 0P and 9B. BP4_ModerateBP6_ModerateBP7BS2

The NM_001288980.2(C18orf54):ā€‹c.975T>Cā€‹(p.Asp325Asp) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00289 in 1,535,992 control chromosomes in the GnomAD database, including 14 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (ā˜…).

Frequency

Genomes: š‘“ 0.0017 ( 1 hom., cov: 33)
Exomes š‘“: 0.0030 ( 13 hom. )

Consequence

C18orf54
NM_001288980.2 synonymous

Scores

2

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: -0.109
Variant links:
Genes affected
C18orf54 (HGNC:13796): (chromosome 18 open reading frame 54) Predicted to act upstream of or within negative regulation of cell population proliferation. Predicted to be located in extracellular region. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -9 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.34).
BP6
Variant 18-54362334-T-C is Benign according to our data. Variant chr18-54362334-T-C is described in ClinVar as [Likely_benign]. Clinvar id is 2648732.Status of the report is criteria_provided_single_submitter, 1 stars.
BP7
Synonymous conserved (PhyloP=-0.109 with no splicing effect.
BS2
High Homozygotes in GnomAdExome4 at 13 gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
C18orf54NM_001288980.2 linkuse as main transcriptc.975T>C p.Asp325Asp synonymous_variant 4/9 ENST00000620105.5 NP_001275909.1 Q8IYD9-2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
C18orf54ENST00000620105.5 linkuse as main transcriptc.975T>C p.Asp325Asp synonymous_variant 4/91 NM_001288980.2 ENSP00000477654.1 Q8IYD9-2

Frequencies

GnomAD3 genomes
AF:
0.00175
AC:
266
AN:
152248
Hom.:
1
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.000627
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000327
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.000753
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00332
Gnomad OTH
AF:
0.000478
GnomAD3 exomes
AF:
0.00164
AC:
225
AN:
137362
Hom.:
0
AF XY:
0.00158
AC XY:
118
AN XY:
74536
show subpopulations
Gnomad AFR exome
AF:
0.000460
Gnomad AMR exome
AF:
0.000327
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00129
Gnomad NFE exome
AF:
0.00369
Gnomad OTH exome
AF:
0.00143
GnomAD4 exome
AF:
0.00301
AC:
4168
AN:
1383626
Hom.:
13
Cov.:
32
AF XY:
0.00303
AC XY:
2071
AN XY:
682762
show subpopulations
Gnomad4 AFR exome
AF:
0.000285
Gnomad4 AMR exome
AF:
0.000364
Gnomad4 ASJ exome
AF:
0.0000397
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000126
Gnomad4 FIN exome
AF:
0.00144
Gnomad4 NFE exome
AF:
0.00370
Gnomad4 OTH exome
AF:
0.00185
GnomAD4 genome
AF:
0.00175
AC:
266
AN:
152366
Hom.:
1
Cov.:
33
AF XY:
0.00126
AC XY:
94
AN XY:
74508
show subpopulations
Gnomad4 AFR
AF:
0.000625
Gnomad4 AMR
AF:
0.000327
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.000753
Gnomad4 NFE
AF:
0.00332
Gnomad4 OTH
AF:
0.000473
Alfa
AF:
0.00179
Hom.:
0
Bravo
AF:
0.00163

ClinVar

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

Submissions by phenotype

not provided Benign:1
Likely benign, criteria provided, single submitterclinical testingCeGaT Center for Human Genetics TuebingenJan 01, 2023C18orf54: BP4, BP7 -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.34
CADD
Benign
6.1
DANN
Benign
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

LitVar

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

Other links and lift over

dbSNP: rs142068230; hg19: chr18-51888704; API