17-76353634-G-C

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The ENST00000446526.8(PRPSAP1):ā€‹c.70C>Gā€‹(p.Pro24Ala) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000208 in 1,542,052 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 12/18 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (ā˜…).

Frequency

Genomes: š‘“ 0.000092 ( 0 hom., cov: 32)
Exomes š‘“: 0.000013 ( 0 hom. )

Consequence

PRPSAP1
ENST00000446526.8 missense

Scores

1
1
14

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.58
Variant links:
Genes affected
PRPSAP1 (HGNC:9466): (phosphoribosyl pyrophosphate synthetase associated protein 1) Enables identical protein binding activity. Predicted to be involved in 5-phosphoribose 1-diphosphate biosynthetic process and purine nucleotide biosynthetic process. Predicted to be part of ribose phosphate diphosphokinase complex. Predicted to be active in cytoplasm. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.10877243).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
PRPSAP1NM_002766.3 linkuse as main transcriptc.70C>G p.Pro24Ala missense_variant 1/10 ENST00000446526.8 NP_002757.2
PRPSAP1NM_001330503.2 linkuse as main transcriptc.-173C>G 5_prime_UTR_variant 1/9 NP_001317432.1
PRPSAP1NM_001366236.2 linkuse as main transcriptc.-140+483C>G intron_variant NP_001353165.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
PRPSAP1ENST00000446526.8 linkuse as main transcriptc.70C>G p.Pro24Ala missense_variant 1/101 NM_002766.3 ENSP00000414624 P1Q14558-2

Frequencies

GnomAD3 genomes
AF:
0.0000920
AC:
14
AN:
152200
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000314
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:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000291
AC:
4
AN:
137686
Hom.:
0
AF XY:
0.0000260
AC XY:
2
AN XY:
76932
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.000159
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:
0.0000130
AC:
18
AN:
1389852
Hom.:
0
Cov.:
31
AF XY:
0.00000873
AC XY:
6
AN XY:
687384
show subpopulations
Gnomad4 AFR exome
AF:
0.000346
Gnomad4 AMR exome
AF:
0.000110
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000126
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000277
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000920
AC:
14
AN:
152200
Hom.:
0
Cov.:
32
AF XY:
0.000108
AC XY:
8
AN XY:
74362
show subpopulations
Gnomad4 AFR
AF:
0.000314
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000147
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000712
Hom.:
0
Bravo
AF:
0.0000945
ExAC
AF:
0.0000275
AC:
3

ClinVar

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

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsMar 16, 2022The c.70C>G (p.P24A) alteration is located in exon 1 (coding exon 1) of the PRPSAP1 gene. This alteration results from a C to G substitution at nucleotide position 70, causing the proline (P) at amino acid position 24 to be replaced by an alanine (A). 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
BayesDel_addAF
Benign
-0.16
T
BayesDel_noAF
Benign
-0.20
CADD
Benign
15
DANN
Benign
0.56
Eigen
Benign
-0.66
Eigen_PC
Benign
-0.59
FATHMM_MKL
Benign
0.19
N
LIST_S2
Benign
0.53
T
M_CAP
Pathogenic
0.69
D
MetaRNN
Benign
0.11
T
MetaSVM
Benign
-0.45
T
MutationTaster
Benign
1.0
D;N
PrimateAI
Uncertain
0.78
T
PROVEAN
Benign
-0.49
N
REVEL
Benign
0.22
Sift
Benign
0.19
T
Sift4G
Benign
0.81
T
Polyphen
0.029
B
Vest4
0.20
MutPred
0.22
Gain of MoRF binding (P = 0.0379);
MVP
0.43
MPC
0.37
ClinPred
0.030
T
GERP RS
2.4
gMVP
0.12

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs752382509; hg19: chr17-74349715; API