7-35801265-C-G

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_001788.6(SEPTIN7):​c.56C>G​(p.Thr19Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000268 in 1,493,276 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000017 ( 0 hom., cov: 33)
Exomes 𝑓: 0.0000015 ( 0 hom. )

Consequence

SEPTIN7
NM_001788.6 missense

Scores

2
16
Splicing: ADA: 0.002960
2

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.01

Publications

0 publications found
Variant links:
Genes affected
SEPTIN7 (HGNC:1717): (septin 7) This gene encodes a protein that is highly similar to the CDC10 protein of Saccharomyces cerevisiae. The protein also shares similarity with Diff 6 of Drosophila and with H5 of mouse. Each of these similar proteins, including the yeast CDC10, contains a GTP-binding motif. The yeast CDC10 protein is a structural component of the 10 nm filament which lies inside the cytoplasmic membrane and is essential for cytokinesis. This human protein functions in gliomagenesis and in the suppression of glioma cell growth, and it is required for the association of centromere-associated protein E with the kinetochore. Alternative splicing results in multiple transcript variants. Several related pseudogenes have been identified on chromosomes 5, 7, 9, 10, 11, 14, 17 and 19. [provided by RefSeq, Jul 2011]
SEPTIN7-DT (HGNC:51153): (SEPTIN7 divergent transcript)

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.11907917).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
SEPTIN7NM_001788.6 linkc.56C>G p.Thr19Ser missense_variant Exon 1 of 14 ENST00000350320.11 NP_001779.3 Q16181-1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
SEPTIN7ENST00000350320.11 linkc.56C>G p.Thr19Ser missense_variant Exon 1 of 14 5 NM_001788.6 ENSP00000344868.8 Q16181-1E7EPK1
SEPTIN7ENST00000635175.1 linkn.47C>G non_coding_transcript_exon_variant Exon 1 of 14 2 ENSP00000489192.1 A0A0U1RQW0
SEPTIN7ENST00000635047.1 linkc.-243C>G 5_prime_UTR_variant Exon 1 of 7 4 ENSP00000489480.1 A0A0U1RRE1

Frequencies

GnomAD3 genomes
AF:
0.0000174
AC:
2
AN:
115068
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.00
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:
0.0000362
Gnomad OTH
AF:
0.00
GnomAD4 exome
AF:
0.00000145
AC:
2
AN:
1378208
Hom.:
0
Cov.:
29
AF XY:
0.00000147
AC XY:
1
AN XY:
680196
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
29292
American (AMR)
AF:
0.0000307
AC:
1
AN:
32566
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
24464
East Asian (EAS)
AF:
0.00
AC:
0
AN:
32304
South Asian (SAS)
AF:
0.00
AC:
0
AN:
76652
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
48916
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
4754
European-Non Finnish (NFE)
AF:
9.33e-7
AC:
1
AN:
1072062
Other (OTH)
AF:
0.00
AC:
0
AN:
57198
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.500
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance
GnomAD4 genome
AF:
0.0000174
AC:
2
AN:
115068
Hom.:
0
Cov.:
33
AF XY:
0.00
AC XY:
0
AN XY:
55252
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
28914
American (AMR)
AF:
0.00
AC:
0
AN:
11162
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
2882
East Asian (EAS)
AF:
0.00
AC:
0
AN:
3778
South Asian (SAS)
AF:
0.00
AC:
0
AN:
3070
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
7552
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
266
European-Non Finnish (NFE)
AF:
0.0000362
AC:
2
AN:
55300
Other (OTH)
AF:
0.00
AC:
0
AN:
1480
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.475
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance
Alfa
AF:
0.0000282
Hom.:
0
Bravo
AF:
0.00000756

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Sep 27, 2024
Ambry Genetics
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

The c.56C>G (p.T19S) alteration is located in exon 1 (coding exon 1) of the SEPT7 gene. This alteration results from a C to G substitution at nucleotide position 56, causing the threonine (T) at amino acid position 19 to be replaced by a serine (S). 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
0.061
BayesDel_addAF
Benign
-0.17
T
BayesDel_noAF
Benign
-0.48
CADD
Benign
21
DANN
Benign
0.93
DEOGEN2
Benign
0.017
T;T;T
Eigen
Benign
-0.32
Eigen_PC
Benign
-0.18
FATHMM_MKL
Benign
0.037
N
LIST_S2
Benign
0.36
T;T;T
M_CAP
Uncertain
0.12
D
MetaRNN
Benign
0.12
T;T;T
MetaSVM
Benign
-1.1
T
PhyloP100
2.0
PrimateAI
Uncertain
0.76
T
PROVEAN
Benign
-0.19
.;N;.
REVEL
Benign
0.075
Sift
Benign
0.63
.;T;.
Sift4G
Benign
0.81
T;T;D
Polyphen
0.46
.;P;.
Vest4
0.24, 0.39
MutPred
0.37
Loss of glycosylation at T19 (P = 0.0271);Loss of glycosylation at T19 (P = 0.0271);Loss of glycosylation at T19 (P = 0.0271);
MVP
0.64
ClinPred
0.35
T
GERP RS
3.2
PromoterAI
-0.14
Neutral
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
gMVP
0.21
Mutation Taster
=274/26
polymorphism

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.0030
dbscSNV1_RF
Benign
0.036
SpliceAI score (max)
0.0
Details are displayed if max score is > 0.2

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

Publications

Other links and lift over

dbSNP: rs1218286205; hg19: chr7-35840875; API