rs185028612

Variant summary

Our verdict is Likely benign. The variant received -5 ACMG points: 0P and 5B. BP4_StrongBP6

The ENST00000546407.1(CFTR):​n.166+3826A>G variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00188 in 204,702 control chromosomes in the GnomAD database, including 2 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.0019 ( 1 hom., cov: 32)
Exomes 𝑓: 0.0019 ( 1 hom. )

Consequence

CFTR
ENST00000546407.1 intron

Scores

2

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:1B:7

Conservation

PhyloP100: -1.10

Publications

1 publications found
Variant links:
Genes affected
CFTR (HGNC:1884): (CF transmembrane conductance regulator) This gene encodes a member of the ATP-binding cassette (ABC) transporter superfamily. The encoded protein functions as a chloride channel, making it unique among members of this protein family, and controls ion and water secretion and absorption in epithelial tissues. Channel activation is mediated by cycles of regulatory domain phosphorylation, ATP-binding by the nucleotide-binding domains, and ATP hydrolysis. Mutations in this gene cause cystic fibrosis, the most common lethal genetic disorder in populations of Northern European descent. The most frequently occurring mutation in cystic fibrosis, DeltaF508, results in impaired folding and trafficking of the encoded protein. Multiple pseudogenes have been identified in the human genome. [provided by RefSeq, Aug 2017]
CFTR Gene-Disease associations (from GenCC):
  • cystic fibrosis
    Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Laboratory for Molecular Medicine, Labcorp Genetics (formerly Invitae), Myriad Women’s Health, Orphanet
  • congenital bilateral absence of vas deferens
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
  • hereditary chronic pancreatitis
    Inheritance: AD Classification: LIMITED Submitted by: Labcorp Genetics (formerly Invitae)

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -5 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.88).
BP6
Variant 7-117479634-A-G is Benign according to our data. Variant chr7-117479634-A-G is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 189027.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
CFTRENST00000546407.1 linkn.166+3826A>G intron_variant Intron 2 of 2 1
CFTRENST00000446805.2 linkc.-251A>G 5_prime_UTR_variant Exon 3 of 6 4 ENSP00000417012.1
CFTRENST00000673785.1 linkc.-406+13803A>G intron_variant Intron 3 of 12 ENSP00000501235.1

Frequencies

GnomAD3 genomes
AF:
0.00187
AC:
284
AN:
152046
Hom.:
1
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000290
Gnomad AMI
AF:
0.00110
Gnomad AMR
AF:
0.000458
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000195
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00962
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00229
Gnomad OTH
AF:
0.00239
GnomAD4 exome
AF:
0.00192
AC:
101
AN:
52538
Hom.:
1
Cov.:
0
AF XY:
0.00182
AC XY:
50
AN XY:
27450
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
1678
American (AMR)
AF:
0.00
AC:
0
AN:
3536
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
1276
East Asian (EAS)
AF:
0.00
AC:
0
AN:
3386
South Asian (SAS)
AF:
0.00
AC:
0
AN:
6608
European-Finnish (FIN)
AF:
0.00864
AC:
17
AN:
1968
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
210
European-Non Finnish (NFE)
AF:
0.00254
AC:
79
AN:
31066
Other (OTH)
AF:
0.00178
AC:
5
AN:
2810
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.486
Heterozygous variant carriers
0
4
8
11
15
19
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
2
4
6
8
10
<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:
0.00187
AC:
284
AN:
152164
Hom.:
1
Cov.:
32
AF XY:
0.00212
AC XY:
158
AN XY:
74390
show subpopulations
African (AFR)
AF:
0.000289
AC:
12
AN:
41526
American (AMR)
AF:
0.000458
AC:
7
AN:
15294
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.000195
AC:
1
AN:
5116
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4828
European-Finnish (FIN)
AF:
0.00962
AC:
102
AN:
10602
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
294
European-Non Finnish (NFE)
AF:
0.00229
AC:
156
AN:
68006
Other (OTH)
AF:
0.00236
AC:
5
AN:
2116
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.493
Heterozygous variant carriers
0
15
31
46
62
77
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Genome Hom
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
Alfa
AF:
0.00408
Hom.:
1
Bravo
AF:
0.00116

ClinVar

Significance: Conflicting classifications of pathogenicity
Submissions summary: Uncertain:1Benign:7
Revision: criteria provided, conflicting classifications
LINK: link

Submissions by phenotype

not provided Uncertain:1Benign:3
May 17, 2018
Eurofins Ntd Llc (ga)
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Jun 10, 2019
Quest Diagnostics Nichols Institute San Juan Capistrano
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

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

CFTR: BS2 -

Jun 19, 2024
ARUP Laboratories, Molecular Genetics and Genomics, ARUP Laboratories
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Cystic fibrosis Benign:2
Oct 24, 2014
Counsyl
Significance:Likely benign
Review Status:no assertion criteria provided
Collection Method:literature only

This submission and the accompanying classification are no longer maintained by the submitter. For more information on current observations and classification, please contact variantquestions@myriad.com. -

May 08, 2024
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

CFTR-related disorder Benign:1
Jun 04, 2019
PreventionGenetics, part of Exact Sciences
Significance:Likely benign
Review Status:no assertion criteria provided
Collection Method:clinical testing

This 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). -

Hereditary pancreatitis Benign:1
Jun 04, 2021
Sema4, Sema4
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:curation

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.88
CADD
Benign
1.7
DANN
Benign
0.47
PhyloP100
-1.1
PromoterAI
-0.020
Neutral

Splicing

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

Publications

Other links and lift over

dbSNP: rs185028612; hg19: chr7-117119688; API