chr1-213996680-G-A

Variant summary

Our verdict is Likely benign. The variant received -6 ACMG points: 0P and 6B. BP4_ModerateBS2

The NM_001270616.2(PROX1):​c.145G>A​(p.Gly49Ser) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000164 in 1,461,892 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. 13/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.0 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000016 ( 1 hom. )
Failed GnomAD Quality Control

Consequence

PROX1
NM_001270616.2 missense

Scores

1
4
14

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.46

Publications

0 publications found
Variant links:
Genes affected
PROX1 (HGNC:9459): (prospero homeobox 1) The protein encoded by this gene is a member of the homeobox transcription factor family. Members of this family contain a homeobox domain that consists of a 60-amino acid helix-turn-helix structure that binds DNA and RNA. The protein encoded by this gene is conserved across vertebrates and may play an essential role during development. Altered levels of this protein have been reported in cancers of different organs, such as colon, brain, blood, breast, pancreas, liver and esophagus. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jul 2012]

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -6 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.21773204).
BS2
High AC in GnomAdExome4 at 24 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
PROX1NM_001270616.2 linkc.145G>A p.Gly49Ser missense_variant Exon 2 of 5 ENST00000366958.9 NP_001257545.1 Q92786

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
PROX1ENST00000366958.9 linkc.145G>A p.Gly49Ser missense_variant Exon 2 of 5 1 NM_001270616.2 ENSP00000355925.4 Q92786
PROX1ENST00000435016.2 linkc.145G>A p.Gly49Ser missense_variant Exon 2 of 5 1 ENSP00000400694.1 Q92786
PROX1ENST00000471129.1 linkc.145G>A p.Gly49Ser missense_variant Exon 2 of 2 3 ENSP00000419517.1 C9JU29
PROX1ENST00000607425.1 linkc.145G>A p.Gly49Ser missense_variant Exon 2 of 2 3 ENSP00000475357.1 U3KPY6

Frequencies

GnomAD3 genomes
AF:
0.00
AC:
0
AN:
152206
Hom.:
0
Cov.:
32
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:
0.00
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.0000358
AC:
9
AN:
251492
AF XY:
0.0000589
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000164
AC:
24
AN:
1461892
Hom.:
1
Cov.:
31
AF XY:
0.0000303
AC XY:
22
AN XY:
727246
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33480
American (AMR)
AF:
0.00
AC:
0
AN:
44724
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26136
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39700
South Asian (SAS)
AF:
0.000267
AC:
23
AN:
86256
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53420
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5768
European-Non Finnish (NFE)
AF:
8.99e-7
AC:
1
AN:
1112012
Other (OTH)
AF:
0.00
AC:
0
AN:
60396
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.445
Heterozygous variant carriers
0
2
3
5
6
8
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
Data not reliable, filtered out with message: AC0
AF:
0.00
AC:
0
AN:
152206
Hom.:
0
Cov.:
32
AF XY:
0.00
AC XY:
0
AN XY:
74364
African (AFR)
AF:
0.00
AC:
0
AN:
41446
American (AMR)
AF:
0.00
AC:
0
AN:
15284
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5194
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4830
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10622
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
68036
Other (OTH)
AF:
0.00
AC:
0
AN:
2094
ExAC
AF:
0.0000330
AC:
4

ClinVar

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

Submissions by phenotype

not specified Uncertain:1
Apr 30, 2025
Ambry Genetics
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

The c.145G>A (p.G49S) alteration is located in exon 2 (coding exon 1) of the PROX1 gene. This alteration results from a G to A substitution at nucleotide position 145, causing the glycine (G) at amino acid position 49 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
0.077
BayesDel_addAF
Benign
-0.29
T
BayesDel_noAF
Benign
-0.35
CADD
Benign
23
DANN
Uncertain
0.98
DEOGEN2
Benign
0.11
.;T;T;T;T;.
Eigen
Benign
0.18
Eigen_PC
Uncertain
0.32
FATHMM_MKL
Pathogenic
0.98
D
LIST_S2
Uncertain
0.89
D;.;.;D;.;D
M_CAP
Benign
0.011
T
MetaRNN
Benign
0.22
T;T;T;T;T;T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
0.34
.;N;N;N;N;.
PhyloP100
7.5
PrimateAI
Uncertain
0.71
T
PROVEAN
Benign
-1.1
N;N;N;N;N;.
REVEL
Benign
0.15
Sift
Benign
0.21
T;T;T;T;T;.
Sift4G
Benign
0.099
T;T;T;T;T;T
Polyphen
0.32
.;B;B;B;B;.
Vest4
0.53, 0.53, 0.53, 0.53
MutPred
0.42
Gain of disorder (P = 0.0546);Gain of disorder (P = 0.0546);Gain of disorder (P = 0.0546);Gain of disorder (P = 0.0546);Gain of disorder (P = 0.0546);Gain of disorder (P = 0.0546);
MVP
0.55
MPC
0.66
ClinPred
0.16
T
GERP RS
4.9
RBP_binding_hub_radar
0.92
RBP_regulation_power_radar
2.6
Varity_R
0.20
gMVP
0.34
Mutation Taster
=65/35
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: rs778243658; hg19: chr1-214170023; API