chr1-3829920-T-C

Variant summary

Our verdict is Benign. The variant received -21 ACMG points: 0P and 21B. BP4_StrongBP6_Very_StrongBP7BA1

The NM_014704.4(CEP104):​c.1914A>G​(p.Arg638Arg) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00454 in 1,614,168 control chromosomes in the GnomAD database, including 401 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.0053 ( 38 hom., cov: 33)
Exomes 𝑓: 0.0045 ( 363 hom. )

Consequence

CEP104
NM_014704.4 synonymous

Scores

2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:3

Conservation

PhyloP100: -1.56

Publications

5 publications found
Variant links:
Genes affected
CEP104 (HGNC:24866): (centrosomal protein 104) This gene encodes a centrosomal protein required for ciliogenesis and for ciliary tip structural integrity. The mammalian protein contains three amino-terminal hydrophobic domains, two glycosylation sites, four cysteine-rich motifs, and two regions with homology to the glutamate receptor ionotropic, NMDA 1 protein. During ciliogenesis, the encoded protein translocates from the distal tips of the centrioles to the tip of the elongating cilium. Knockdown of the protein in human retinal pigment cells results in severe defects in ciliogenesis with structural deformities at the ciliary tips. Allelic variants of this gene are associated with the autosomal-recessive disorder Joubert syndrome, which is characterized by a distinctive mid-hindbrain and cerebellar malformation, oculomotor apraxia, irregular breathing, developmental delay, and ataxia. [provided by RefSeq, Feb 2016]
CEP104 Gene-Disease associations (from GenCC):
  • Joubert syndrome 25
    Inheritance: AR Classification: DEFINITIVE, STRONG, MODERATE Submitted by: G2P, Labcorp Genetics (formerly Invitae), Ambry Genetics
  • Joubert syndrome
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -21 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.82).
BP6
Variant 1-3829920-T-C is Benign according to our data. Variant chr1-3829920-T-C is described in ClinVar as Benign. ClinVar VariationId is 475460.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BP7
Synonymous conserved (PhyloP=-1.56 with no splicing effect.
BA1
GnomAd4 highest subpopulation (EAS) allele frequency at 95% confidence interval = 0.101 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
CEP104NM_014704.4 linkc.1914A>G p.Arg638Arg synonymous_variant Exon 14 of 22 ENST00000378230.8 NP_055519.1 O60308-1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
CEP104ENST00000378230.8 linkc.1914A>G p.Arg638Arg synonymous_variant Exon 14 of 22 5 NM_014704.4 ENSP00000367476.3 O60308-1

Frequencies

GnomAD3 genomes
AF:
0.00531
AC:
808
AN:
152176
Hom.:
38
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000724
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000589
Gnomad ASJ
AF:
0.000576
Gnomad EAS
AF:
0.108
Gnomad SAS
AF:
0.00394
Gnomad FIN
AF:
0.0159
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000617
Gnomad OTH
AF:
0.00240
GnomAD2 exomes
AF:
0.00897
AC:
2255
AN:
251494
AF XY:
0.00834
show subpopulations
Gnomad AFR exome
AF:
0.0000615
Gnomad AMR exome
AF:
0.0000867
Gnomad ASJ exome
AF:
0.00129
Gnomad EAS exome
AF:
0.0961
Gnomad FIN exome
AF:
0.0143
Gnomad NFE exome
AF:
0.000774
Gnomad OTH exome
AF:
0.00309
GnomAD4 exome
AF:
0.00446
AC:
6513
AN:
1461874
Hom.:
363
Cov.:
33
AF XY:
0.00431
AC XY:
3135
AN XY:
727240
show subpopulations
African (AFR)
AF:
0.0000299
AC:
1
AN:
33480
American (AMR)
AF:
0.0000894
AC:
4
AN:
44724
Ashkenazi Jewish (ASJ)
AF:
0.000880
AC:
23
AN:
26136
East Asian (EAS)
AF:
0.125
AC:
4946
AN:
39696
South Asian (SAS)
AF:
0.00182
AC:
157
AN:
86256
European-Finnish (FIN)
AF:
0.0152
AC:
814
AN:
53420
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5768
European-Non Finnish (NFE)
AF:
0.000302
AC:
336
AN:
1112000
Other (OTH)
AF:
0.00384
AC:
232
AN:
60394
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.488
Heterozygous variant carriers
0
364
729
1093
1458
1822
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
Variant carriers
0
76
152
228
304
380
<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:
0.00531
AC:
809
AN:
152294
Hom.:
38
Cov.:
33
AF XY:
0.00664
AC XY:
494
AN XY:
74452
show subpopulations
African (AFR)
AF:
0.0000722
AC:
3
AN:
41568
American (AMR)
AF:
0.000588
AC:
9
AN:
15302
Ashkenazi Jewish (ASJ)
AF:
0.000576
AC:
2
AN:
3470
East Asian (EAS)
AF:
0.108
AC:
559
AN:
5180
South Asian (SAS)
AF:
0.00415
AC:
20
AN:
4818
European-Finnish (FIN)
AF:
0.0159
AC:
169
AN:
10608
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
294
European-Non Finnish (NFE)
AF:
0.000617
AC:
42
AN:
68036
Other (OTH)
AF:
0.00237
AC:
5
AN:
2108
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.496
Heterozygous variant carriers
0
41
82
122
163
204
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Genome Hom
Variant carriers
0
20
40
60
80
100
<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:
0.000879
Hom.:
1
Bravo
AF:
0.00464
Asia WGS
AF:
0.0290
AC:
101
AN:
3478
EpiCase
AF:
0.000218
EpiControl
AF:
0.000119

ClinVar

Significance: Benign
Submissions summary: Benign:3
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:2
Jan 03, 2019
GeneDx
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

-
Breakthrough Genomics, Breakthrough Genomics
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:not provided

- -

Joubert syndrome 25 Benign:1
Jan 23, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.82
CADD
Benign
3.3
DANN
Benign
0.58
PhyloP100
-1.6
Mutation Taster
=100/0
polymorphism (auto)

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

Other links and lift over

dbSNP: rs2275829; hg19: chr1-3746484; COSMIC: COSV65517537; COSMIC: COSV65517537; API