dbSNP rs1555478342: IFT140:p.Val898Val (chr16-1525961-C-T) – ACMG Classification: Likely_benign (-5 pts)

Variant summary

Our verdict is Likely benign. The variant received -5 ACMG points: 2P and 7B. PM2BP4_StrongBP6_ModerateBP7

The NM_014714.4(IFT140):c.2694G>A(p.Val898Val) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000021 in 1,431,378 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 Likely benign (★).

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 0.0000021 ( 0 hom. )

Consequence

IFT140
NM_014714.4 synonymous

Scores

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 0.134

Publications

0 publications found

Variant links:

Genes affected

IFT140 (HGNC:29077): (intraflagellar transport 140) This gene encodes one of the subunits of the intraflagellar transport (IFT) complex A. Intraflagellar transport is involved in the genesis, resorption and signaling of primary cilia. The primary cilium is a microtubule-based sensory organelle at the surface of most quiescent mammalian cells, that receives signals from its environment, such as the flow of fluid, light or odors, and transduces those signals to the nucleus. Loss of the corresponding protein in mouse results in renal cystic disease. [provided by RefSeq, Jun 2012]

IFT140 Gene-Disease associations (from GenCC):

autosomal dominant polycystic kidney disease
Inheritance: AD Classification: DEFINITIVE Submitted by: Ambry Genetics, ClinGen
IFT140-related recessive ciliopathy
Inheritance: AR Classification: DEFINITIVE Submitted by: ClinGen, Illumina
short-rib thoracic dysplasia 9 with or without polydactyly
Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Labcorp Genetics (formerly Invitae), G2P, Orphanet
retinitis pigmentosa 80
Inheritance: AR Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae)
Leber congenital amaurosis
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
retinitis pigmentosa
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
Jeune syndrome
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

IFT140 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

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

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.68).

BP6

Variant 16-1525961-C-T is Benign according to our data. Variant chr16-1525961-C-T is described in ClinVar as Likely_benign. ClinVar VariationId is 465316.Status of the report is criteria_provided_single_submitter, 1 stars.

BP7

Synonymous conserved (PhyloP=0.134 with no splicing effect.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
IFT140	NM_014714.4 link	c.2694G>A	p.Val898Val	synonymous_variant	Exon 21 of 31	ENST00000426508.7	NP_055529.2	Q96RY7-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
IFT140	ENST00000426508.7 link	c.2694G>A	p.Val898Val	synonymous_variant	Exon 21 of 31	5	NM_014714.4	ENSP00000406012.2		Q96RY7-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

0.00000210

AC:

AN:

1431378

Hom.:

Cov.:

AF XY:

0.00000282

AC XY:

AN XY:

709378

show subpopulations

African (AFR)

AF:

0.0000305

AC:

AN:

32802

American (AMR)

AF:

0.00

AC:

AN:

40460

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25582

East Asian (EAS)

AF:

0.00

AC:

AN:

37906

South Asian (SAS)

AF:

0.00

AC:

AN:

81878

European-Finnish (FIN)

AF:

0.00

AC:

AN:

49986

Middle Eastern (MID)

AF:

0.000374

AC:

AN:

5348

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1098240

Other (OTH)

AF:

0.00

AC:

AN:

59176

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.492

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<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

Cov.:

ClinVar

Significance: Likely benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

Saldino-Mainzer syndrome

Benign:1

May 26, 2017

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Likely 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

-0.68

CADD

Benign

0.61

(source)

DANN

Benign

0.83

PhyloP100

0.13

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.040

Details are displayed if max score is > 0.2

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

Publications

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over