Variant 1-117966611-G-C details in Genebe, Genetics Data Aggregator

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_206996.4(SPAG17):c.6530C>G(p.Ala2177Gly) variant causes a missense, splice region change. The variant allele was found at a frequency of 0.00000138 in 1,450,352 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 Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

SPAG17
NM_206996.4 missense, splice_region

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 6.17

Variant links:

Genes affected

SPAG17 (HGNC:26620): (sperm associated antigen 17) This gene encodes a central pair protein present in the axonemes of cells with a "9 + 2" organization of microtubules. The encoded protein is required for the proper function of the axoneme. Mutations in the orthologous gene in mice lead to primary ciliary dyskinesia characterized by immotile nasal and tracheal cilia, reduced clearance of nasal mucus, profound respiratory distress, hydrocephalus, and neonatal lethality within twelve hours of birth due to impaired airway mucociliary clearance. Single-nucleotide polymorphisms in this gene are associated with human height and targeted mutations lead to skeletal malformations affecting the limbs in mice, suggesting a role for this gene in skeletal development. [provided by RefSeq, Feb 2017]

SPAG17 links:

SPAG17 (HGNC:):

SPAG17 links:

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
SPAG17	NM_206996.4 linkuse as main transcript	c.6530C>G	p.Ala2177Gly	missense_variant, splice_region_variant	47/49	ENST00000336338.10	NP_996879.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	UniProt
SPAG17	ENST00000336338.10 linkuse as main transcript	c.6530C>G	p.Ala2177Gly	missense_variant, splice_region_variant	47/49	1	NM_206996.4	ENSP00000337804.5	Q6Q759
SPAG17	ENST00000437255.1 linkuse as main transcript	c.1970C>G	p.Ala657Gly	missense_variant	17/17	2		ENSP00000402749.1	Q5TDG6
SPAG17	ENST00000478697.5 linkuse as main transcript	n.142C>G		splice_region_variant, non_coding_transcript_exon_variant	1/4	3
SPAG17	ENST00000469128.1 linkuse as main transcript	n.183+23C>G		intron_variant		3

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

0.00000138

AC:

AN:

1450352

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

721210

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

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:

0.00000180

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

Cov.:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Apr 11, 2023

The c.6530C>G (p.A2177G) alteration is located in exon 47 (coding exon 47) of the SPAG17 gene. This alteration results from a C to G substitution at nucleotide position 6530, causing the alanine (A) at amino acid position 2177 to be replaced by a glycine (G). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.24

BayesDel_addAF

Uncertain

0.095

BayesDel_noAF

Benign

-0.10

CADD

Uncertain

DANN

Uncertain

1.0

DEOGEN2

Benign

0.013

T;.

Eigen

Pathogenic

0.70

Eigen_PC

Pathogenic

0.71

FATHMM_MKL

Uncertain

0.95

LIST_S2

Benign

0.50

T;T

M_CAP

Benign

0.014

MetaRNN

Benign

0.35

T;T

MetaSVM

Benign

-1.0

MutationAssessor

Benign

1.7

L;.

PrimateAI

Uncertain

0.49

PROVEAN

Benign

-1.7

N;N

REVEL

Benign

0.14

Sift

Pathogenic

0.0

D;D

Sift4G

Benign

0.16

T;D

Polyphen

1.0

D;.

Vest4

0.64

MutPred

0.21

Loss of stability (P = 0.0814);.;

MVP

0.74

MPC

0.072

ClinPred

0.98

GERP RS

5.5

Varity_R

0.66

gMVP

0.59

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.24

Details are displayed if max score is > 0.2

DS_DL_spliceai

0.24

Position offset: -2

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

Publications

No publications associated with this variant yet.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over