rs201787275

Variant summary

Our verdict is Likely benign. The variant received -3 ACMG points: 0P and 3B. BP4_ModerateBS2_Supporting

The NM_183065.4(TMEM107):​c.*759C>T variant causes a 3 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00199 in 761,870 control chromosomes in the GnomAD database, including 3 homozygotes. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.0017 ( 0 hom., cov: 33)
Exomes 𝑓: 0.0021 ( 3 hom. )

Consequence

TMEM107
NM_183065.4 3_prime_UTR

Scores

2

Clinical Significance

Pathogenic/Likely pathogenic criteria provided, multiple submitters, no conflicts P:9

Conservation

PhyloP100: 2.65

Publications

2 publications found
Variant links:
Genes affected
TMEM107 (HGNC:28128): (transmembrane protein 107) This gene encodes a transmembrane protein and component of the primary cilia transition zone. The encoded protein regulates ciliogenesis and ciliary protein composition. Human fibroblasts expressing a mutant allele of this gene exhibit reduced numbers of cilia, altered cilia length, and impaired sonic hedgehog signaling. In human patients, different mutations in this gene cause different ciliopathies, including Meckel-Gruber syndrome and orofaciodigital syndrome. [provided by RefSeq, May 2017]
SNORD118 (HGNC:32952): (small nucleolar RNA, C/D box 118)
SNORD118 Gene-Disease associations (from GenCC):
  • leukoencephalopathy with calcifications and cysts
    Inheritance: AR Classification: STRONG, MODERATE Submitted by: G2P, PanelApp Australia, Laboratory for Molecular Medicine, Labcorp Genetics (formerly Invitae)

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -3 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.29).
BS2
High Homozygotes in GnomAdExome4 at 3 AR,Unknown geneVariant has number of homozygotes lower than other variant known as pathogenic in the gene, so the strength is limited to Supporting.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
TMEM107NM_183065.4 linkc.*759C>T 3_prime_UTR_variant Exon 5 of 5 ENST00000437139.7 NP_898888.1 Q6UX40-1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
TMEM107ENST00000437139.7 linkc.*759C>T 3_prime_UTR_variant Exon 5 of 5 1 NM_183065.4 ENSP00000402732.2 Q6UX40-1
TMEM107ENST00000449985.6 linkc.*808C>T 3_prime_UTR_variant Exon 2 of 2 1 ENSP00000404753.2 B2RDT5
SNORD118ENST00000363593.2 linkn.*8C>T downstream_gene_variant 6

Frequencies

GnomAD3 genomes
AF:
0.00172
AC:
261
AN:
152160
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.00111
Gnomad AMI
AF:
0.00548
Gnomad AMR
AF:
0.000721
Gnomad ASJ
AF:
0.000288
Gnomad EAS
AF:
0.000192
Gnomad SAS
AF:
0.00103
Gnomad FIN
AF:
0.0000943
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00276
Gnomad OTH
AF:
0.00144
GnomAD2 exomes
AF:
0.00196
AC:
454
AN:
231218
AF XY:
0.00201
show subpopulations
Gnomad AFR exome
AF:
0.000790
Gnomad AMR exome
AF:
0.000822
Gnomad ASJ exome
AF:
0.000102
Gnomad EAS exome
AF:
0.000285
Gnomad FIN exome
AF:
0.000172
Gnomad NFE exome
AF:
0.00320
Gnomad OTH exome
AF:
0.00171
GnomAD4 exome
AF:
0.00206
AC:
1254
AN:
609592
Hom.:
3
Cov.:
0
AF XY:
0.00204
AC XY:
680
AN XY:
333104
show subpopulations
African (AFR)
AF:
0.000851
AC:
15
AN:
17620
American (AMR)
AF:
0.000827
AC:
36
AN:
43520
Ashkenazi Jewish (ASJ)
AF:
0.0000955
AC:
2
AN:
20948
East Asian (EAS)
AF:
0.000167
AC:
6
AN:
35994
South Asian (SAS)
AF:
0.00164
AC:
114
AN:
69516
European-Finnish (FIN)
AF:
0.000239
AC:
9
AN:
37724
Middle Eastern (MID)
AF:
0.000653
AC:
2
AN:
3062
European-Non Finnish (NFE)
AF:
0.00293
AC:
1020
AN:
348428
Other (OTH)
AF:
0.00153
AC:
50
AN:
32780
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.502
Heterozygous variant carriers
0
61
123
184
246
307
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
10
20
30
40
50
<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:
0.00171
AC:
260
AN:
152278
Hom.:
0
Cov.:
33
AF XY:
0.00150
AC XY:
112
AN XY:
74466
show subpopulations
African (AFR)
AF:
0.00111
AC:
46
AN:
41568
American (AMR)
AF:
0.000720
AC:
11
AN:
15286
Ashkenazi Jewish (ASJ)
AF:
0.000288
AC:
1
AN:
3472
East Asian (EAS)
AF:
0.000193
AC:
1
AN:
5184
South Asian (SAS)
AF:
0.00103
AC:
5
AN:
4832
European-Finnish (FIN)
AF:
0.0000943
AC:
1
AN:
10604
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
294
European-Non Finnish (NFE)
AF:
0.00275
AC:
187
AN:
68020
Other (OTH)
AF:
0.00142
AC:
3
AN:
2106
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.501
Heterozygous variant carriers
0
15
29
44
58
73
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
4
8
12
16
20
<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:
0.000468
Hom.:
0
Bravo
AF:
0.00193
Asia WGS
AF:
0.00144
AC:
5
AN:
3478

ClinVar

Significance: Pathogenic/Likely pathogenic
Submissions summary: Pathogenic:9
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

Leukoencephalopathy with calcifications and cysts Pathogenic:5
Apr 06, 2020
Laboratory of Neurogenetics and Neuroinflammation, Institut Imagine
Significance:Pathogenic
Review Status:no assertion criteria provided
Collection Method:clinical testing

- -

Oct 10, 2016
OMIM
Significance:Pathogenic
Review Status:no assertion criteria provided
Collection Method:literature only

- -

Aug 25, 2023
HudsonAlpha Institute for Biotechnology, HudsonAlpha Institute for Biotechnology
Significance:Pathogenic
Review Status:criteria provided, single submitter
Collection Method:research

- -

Aug 07, 2023
3billion
Significance:Likely pathogenic
Review Status:criteria provided, single submitter
Collection Method:clinical testing

The variant is observed at an extremely low frequency in the gnomAD v2.1.1 dataset (total allele frequency: 0.192%). Predicted Consequence: Non-coding transcript non-coding variant. The variant has been reported to be in trans with a pathogenic variant as either compound heterozygous or homozygous in at least 2 similarly affected unrelated individuals (PMID: 27571260 / 3billion dataset). Functional studies provide moderate evidence of the variant having a damaging effect on the gene or gene product (PMID: 27571260). The variant has been reported to be associated with SNORD118-related disorder (ClinVar ID: VCV000929273). Therefore, the variant is classified as likely pathogenic according to the recommendation of ACMG/AMP guideline. -

Jan 03, 2024
Institute of Medical Genetics and Applied Genomics, University Hospital Tübingen
Significance:Pathogenic
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

not provided Pathogenic:3
Apr 03, 2024
GeneDx
Significance:Likely pathogenic
Review Status:criteria provided, single submitter
Collection Method:clinical testing

Functional studies provide conflicting evidence, with one study suggesting this variant alters processing of the precursor U8 snoRNAs while another study suggests this variant is functional (PMID: 27571260, 32359472); Variant in a snoRNA that alters a C:G Watson-Crick base pair to a U:G wobble base pair in the 3' extension (PMID: 32359472); This variant is associated with the following publications: (PMID: 32359472, 33029936, 27571260, 34426522, 37761957, 36697224, 34937159, 34986804, 34220662, 32400930, 34380746, 31521395, 32358219, 31912665) -

Jun 15, 2022
Revvity Omics, Revvity
Significance:Pathogenic
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

May 01, 2025
CeGaT Center for Human Genetics Tuebingen
Significance:Pathogenic
Review Status:criteria provided, single submitter
Collection Method:clinical testing

SNORD118: PM3:Very Strong, PM2:Supporting, PS3:Supporting -

Meckel-Gruber syndrome Pathogenic:1
Sep 27, 2023
Department of Pathology and Laboratory Medicine, Sinai Health System
Significance:Likely pathogenic
Review Status:criteria provided, single submitter
Collection Method:research

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.29
CADD
Benign
12
DANN
Benign
0.78
PhyloP100
2.7
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.0
Mutation Taster
=93/7
disease causing (ClinVar)

Splicing

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

Other links and lift over

dbSNP: rs201787275; hg19: chr17-8076762; API