7-35904271-A-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.1292A>G​(p.Lys431Arg) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000383 in 1,564,918 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/19 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000035 ( 0 hom. )

Consequence

SEPTIN7
NM_001788.6 missense

Scores

1
4
13

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.88

Publications

1 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]

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=0.15820757).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
SEPTIN7NM_001788.6 linkc.1292A>G p.Lys431Arg missense_variant Exon 14 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.1292A>G p.Lys431Arg missense_variant Exon 14 of 14 5 NM_001788.6 ENSP00000344868.8 Q16181-1E7EPK1
SEPTIN7ENST00000635175.1 linkn.*1209A>G non_coding_transcript_exon_variant Exon 14 of 14 2 ENSP00000489192.1 A0A0U1RQW0
SEPTIN7ENST00000635175.1 linkn.*1209A>G 3_prime_UTR_variant Exon 14 of 14 2 ENSP00000489192.1 A0A0U1RQW0

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152164
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000241
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
GnomAD2 exomes
AF:
0.0000159
AC:
3
AN:
188138
AF XY:
0.0000199
show subpopulations
Gnomad AFR exome
AF:
0.0000870
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000354
AC:
5
AN:
1412754
Hom.:
0
Cov.:
29
AF XY:
0.00000286
AC XY:
2
AN XY:
698750
show subpopulations
African (AFR)
AF:
0.0000309
AC:
1
AN:
32360
American (AMR)
AF:
0.00
AC:
0
AN:
37558
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
25300
East Asian (EAS)
AF:
0.00
AC:
0
AN:
38186
South Asian (SAS)
AF:
0.0000381
AC:
3
AN:
78714
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
50896
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5044
European-Non Finnish (NFE)
AF:
9.21e-7
AC:
1
AN:
1086296
Other (OTH)
AF:
0.00
AC:
0
AN:
58400
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.415
Heterozygous variant carriers
0
1
1
2
2
3
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:
0.00000657
AC:
1
AN:
152164
Hom.:
0
Cov.:
32
AF XY:
0.00
AC XY:
0
AN XY:
74334
show subpopulations
African (AFR)
AF:
0.0000241
AC:
1
AN:
41452
American (AMR)
AF:
0.00
AC:
0
AN:
15270
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5198
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4826
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10616
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
68010
Other (OTH)
AF:
0.00
AC:
0
AN:
2092
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.725
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:
0.00
Hom.:
0
ExAC
AF:
0.0000167
AC:
2

ClinVar

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

Submissions by phenotype

not specified Uncertain:1
Aug 15, 2023
Ambry Genetics
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

The c.1292A>G (p.K431R) alteration is located in exon 14 (coding exon 14) of the SEPT7 gene. This alteration results from a A to G substitution at nucleotide position 1292, causing the lysine (K) at amino acid position 431 to be replaced by an arginine (R). 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
0.12
BayesDel_addAF
Benign
0.011
T
BayesDel_noAF
Benign
-0.22
CADD
Benign
23
DANN
Uncertain
0.99
DEOGEN2
Benign
0.036
.;T;T;T;T
Eigen
Benign
-0.030
Eigen_PC
Benign
0.11
FATHMM_MKL
Pathogenic
0.99
D
LIST_S2
Uncertain
0.94
D;D;D;D;D
M_CAP
Benign
0.0093
T
MetaRNN
Benign
0.16
T;T;T;T;T
MetaSVM
Benign
-0.95
T
PhyloP100
7.9
PrimateAI
Uncertain
0.72
T
PROVEAN
Benign
-1.7
.;N;.;.;N
REVEL
Benign
0.22
Sift
Uncertain
0.0080
.;D;.;.;T
Sift4G
Benign
0.15
T;T;T;T;D
Vest4
0.37
MutPred
0.16
.;Loss of methylation at K431 (P = 0.0188);.;.;.;
MVP
0.90
MPC
1.6
ClinPred
0.65
D
GERP RS
3.6
gMVP
0.50
Mutation Taster
=72/28
polymorphism

Splicing

Name
Calibrated prediction
Score
Prediction
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: rs760435092; hg19: chr7-35943881; API