16-89531965-C-T

Variant summary

Our verdict is Likely pathogenic. Variant got 6 ACMG points: 6P and 0B. PM2PP3_Strong

The NM_003119.4(SPG7):​c.1049C>T​(p.Pro350Leu) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000205 in 1,461,604 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. 12/21 in silico tools predict a damaging outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 0.0000021 ( 0 hom. )

Consequence

SPG7
NM_003119.4 missense

Scores

17
1
1

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 7.58
Variant links:
Genes affected
SPG7 (HGNC:11237): (SPG7 matrix AAA peptidase subunit, paraplegin) This gene encodes a mitochondrial metalloprotease protein that is a member of the AAA family. Members of this protein family share an ATPase domain and have roles in diverse cellular processes including membrane trafficking, intracellular motility, organelle biogenesis, protein folding, and proteolysis. Mutations in this gene cause autosomal recessive spastic paraplegia 7. Two transcript variants encoding distinct isoforms have been identified. [provided by RefSeq, Mar 2014]

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ACMG classification

Classification made for transcript

Verdict is Likely_pathogenic. Variant got 6 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.965

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
SPG7NM_003119.4 linkuse as main transcriptc.1049C>T p.Pro350Leu missense_variant 8/17 ENST00000645818.2 NP_003110.1 Q9UQ90-1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
SPG7ENST00000645818.2 linkuse as main transcriptc.1049C>T p.Pro350Leu missense_variant 8/17 NM_003119.4 ENSP00000495795.2 Q9UQ90-1

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD3 exomes
AF:
0.00000399
AC:
1
AN:
250622
Hom.:
0
AF XY:
0.00000737
AC XY:
1
AN XY:
135670
show subpopulations
Gnomad AFR exome
AF:
0.0000618
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS 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:
0.00000205
AC:
3
AN:
1461604
Hom.:
0
Cov.:
31
AF XY:
0.00000413
AC XY:
3
AN XY:
727120
show subpopulations
Gnomad4 AFR exome
AF:
0.0000299
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.:
32
Bravo
AF:
0.00000378

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.66
BayesDel_addAF
Pathogenic
0.41
D
BayesDel_noAF
Pathogenic
0.53
CADD
Uncertain
26
DANN
Pathogenic
1.0
DEOGEN2
Pathogenic
0.92
.;.;D;.;.;.;.;.;.
Eigen
Pathogenic
0.89
Eigen_PC
Pathogenic
0.77
FATHMM_MKL
Uncertain
0.96
D
LIST_S2
Pathogenic
0.99
D;D;D;D;D;D;D;D;D
M_CAP
Pathogenic
0.65
D
MetaRNN
Pathogenic
0.96
D;D;D;D;D;D;D;D;D
MetaSVM
Pathogenic
1.1
D
MutationAssessor
Pathogenic
3.7
.;.;H;.;.;.;.;.;H
PrimateAI
Pathogenic
0.84
D
PROVEAN
Pathogenic
-9.3
.;.;.;.;.;.;.;.;D
REVEL
Pathogenic
0.85
Sift
Pathogenic
0.0
.;.;.;.;.;.;.;.;D
Sift4G
Pathogenic
0.0010
.;.;.;.;.;.;.;.;D
Polyphen
1.0
.;.;D;.;.;.;.;.;D
Vest4
0.93
MutPred
0.70
.;.;Loss of glycosylation at P350 (P = 0.0323);Loss of glycosylation at P350 (P = 0.0323);Loss of glycosylation at P350 (P = 0.0323);Loss of glycosylation at P350 (P = 0.0323);Loss of glycosylation at P350 (P = 0.0323);.;Loss of glycosylation at P350 (P = 0.0323);
MVP
0.97
MPC
0.80
ClinPred
1.0
D
GERP RS
5.8
RBP_binding_hub_radar
0.92
RBP_regulation_power_radar
2.0
Varity_R
0.96
gMVP
0.90

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.010
Details are displayed if max score is > 0.2

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: rs376254211; hg19: chr16-89598373; API