rs943663200

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The ENST00000546407.1(CFTR):​n.166+3839A>G variant causes a intron, non coding transcript change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000247 in 238,482 control chromosomes in the GnomAD database, with no homozygous occurrence. 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 0.00037 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000035 ( 0 hom. )

Consequence

CFTR
ENST00000546407.1 intron, non_coding_transcript

Scores

2

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:4B:1

Conservation

PhyloP100: 0.0230
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]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.81).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
CFTRENST00000546407.1 linkuse as main transcriptn.166+3839A>G intron_variant, non_coding_transcript_variant 1
CFTRENST00000446805.2 linkuse as main transcriptc.-238A>G 5_prime_UTR_variant 3/64
CFTRENST00000673785.1 linkuse as main transcriptc.-406+13816A>G intron_variant

Frequencies

GnomAD3 genomes
AF:
0.000368
AC:
56
AN:
151976
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00135
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
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
GnomAD4 exome
AF:
0.0000347
AC:
3
AN:
86506
Hom.:
0
Cov.:
0
AF XY:
0.0000221
AC XY:
1
AN XY:
45296
show subpopulations
Gnomad4 AFR exome
AF:
0.000343
Gnomad4 AMR exome
AF:
0.000451
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.000368
AC:
56
AN:
151976
Hom.:
0
Cov.:
32
AF XY:
0.000391
AC XY:
29
AN XY:
74218
show subpopulations
Gnomad4 AFR
AF:
0.00135
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000214
Hom.:
0
Bravo
AF:
0.000461

ClinVar

Significance: Conflicting classifications of pathogenicity
Submissions summary: Uncertain:4Benign:1
Revision: criteria provided, conflicting classifications
LINK: link

Submissions by phenotype

Cystic fibrosis Uncertain:2Benign:1
Uncertain significance, criteria provided, single submitterclinical testingCounsylOct 04, 2017- -
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsDec 21, 2017The c.-448A>G alteration is located in the 5' untranslated region (5'UTR) of the CFTR gene. This alteration consists of a A to G substitution nucleotides upstream from the first translated codon. Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -
Likely benign, criteria provided, single submitterclinical testingInvitaeOct 29, 2022- -
not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingQuest Diagnostics Nichols Institute San Juan CapistranoSep 20, 2016- -
not provided Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingEurofins Ntd Llc (ga)Aug 22, 2018- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.81
CADD
Benign
3.0
DANN
Benign
0.40

Splicing

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: rs943663200; hg19: chr7-117119701; API