NM_014754.3:c.5C>A

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 2P and 1B. PM2BP4

The NM_014754.3(PTDSS1):​c.5C>A​(p.Ala2Glu) variant causes a missense change. The variant allele was found at a frequency of 0.00000137 in 1,459,350 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: 33)
Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

PTDSS1
NM_014754.3 missense

Scores

2
5
11

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.82

Publications

0 publications found
Variant links:
Genes affected
PTDSS1 (HGNC:9587): (phosphatidylserine synthase 1) The protein encoded by this gene catalyzes the formation of phosphatidylserine from either phosphatidylcholine or phosphatidylethanolamine. Phosphatidylserine localizes to the mitochondria-associated membrane of the endoplasmic reticulum, where it serves a structural role as well as a signaling role. Defects in this gene are a cause of Lenz-Majewski hyperostotic dwarfism. Two transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Mar 2014]
PTDSS1 Gene-Disease associations (from GenCC):
  • Lenz-Majewski hyperostotic dwarfism
    Inheritance: AD Classification: DEFINITIVE, STRONG, SUPPORTIVE, LIMITED Submitted by: Ambry Genetics, G2P, Labcorp Genetics (formerly Invitae), Orphanet

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 1 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.3211187).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_014754.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
PTDSS1
NM_014754.3
MANE Select
c.5C>Ap.Ala2Glu
missense
Exon 1 of 13NP_055569.1P48651-1
PTDSS1
NM_001290225.2
c.-264C>A
5_prime_UTR
Exon 1 of 11NP_001277154.1P48651-2

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
PTDSS1
ENST00000517309.6
TSL:1 MANE Select
c.5C>Ap.Ala2Glu
missense
Exon 1 of 13ENSP00000430548.1P48651-1
PTDSS1
ENST00000337004.8
TSL:1
n.5C>A
non_coding_transcript_exon
Exon 1 of 11ENSP00000337331.4J3KNR6
PTDSS1
ENST00000894612.1
c.5C>Ap.Ala2Glu
missense
Exon 1 of 14ENSP00000564671.1

Frequencies

GnomAD3 genomes
Cov.:
33
GnomAD2 exomes
AF:
0.0000122
AC:
3
AN:
246676
AF XY:
0.0000150
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000165
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000137
AC:
2
AN:
1459350
Hom.:
0
Cov.:
31
AF XY:
0.00000138
AC XY:
1
AN XY:
725940
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33394
American (AMR)
AF:
0.00
AC:
0
AN:
44516
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
25970
East Asian (EAS)
AF:
0.0000505
AC:
2
AN:
39580
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86028
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53190
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5672
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
1110762
Other (OTH)
AF:
0.00
AC:
0
AN:
60238
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.525
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
Cov.:
33
Alfa
AF:
0.0000508
Hom.:
0

ClinVar

ClinVar submissions
Significance:Uncertain significance
Revision:criteria provided, single submitter
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
1
-
Inborn genetic diseases (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.23
BayesDel_addAF
Benign
-0.27
T
BayesDel_noAF
Benign
-0.33
CADD
Benign
22
DANN
Uncertain
0.99
DEOGEN2
Benign
0.15
T
Eigen
Benign
-0.23
Eigen_PC
Benign
-0.14
FATHMM_MKL
Pathogenic
1.0
D
LIST_S2
Benign
0.77
T
M_CAP
Uncertain
0.12
D
MetaRNN
Benign
0.32
T
MetaSVM
Benign
-1.0
T
MutationAssessor
Uncertain
2.1
M
PhyloP100
3.8
PrimateAI
Pathogenic
0.87
D
PROVEAN
Benign
-0.49
N
REVEL
Benign
0.17
Sift
Uncertain
0.0050
D
Sift4G
Uncertain
0.014
D
Polyphen
0.0010
B
Vest4
0.53
MutPred
0.21
Gain of solvent accessibility (P = 0.08)
MVP
0.19
MPC
1.5
ClinPred
0.59
D
GERP RS
2.2
PromoterAI
-0.29
Neutral
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1
Varity_R
0.17
gMVP
0.77
Mutation Taster
=75/25
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: rs1373990657; hg19: chr8-97274273; API