17-76311564-C-T

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_002766.3(PRPSAP1):​c.1136G>A​(p.Arg379Gln) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000821 in 1,461,520 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 0.0000082 ( 0 hom. )

Consequence

PRPSAP1
NM_002766.3 missense

Scores

5
7
4

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.91
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]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
PRPSAP1NM_002766.3 linkuse as main transcriptc.1136G>A p.Arg379Gln missense_variant 10/10 ENST00000446526.8 NP_002757.2 Q14558-2
PRPSAP1NM_001330503.2 linkuse as main transcriptc.827G>A p.Arg276Gln missense_variant 9/9 NP_001317432.1 B4DP31
PRPSAP1NM_001366236.2 linkuse as main transcriptc.827G>A p.Arg276Gln missense_variant 10/10 NP_001353165.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
PRPSAP1ENST00000446526.8 linkuse as main transcriptc.1136G>A p.Arg379Gln missense_variant 10/101 NM_002766.3 ENSP00000414624.2 Q14558-2
PRPSAP1ENST00000324684.8 linkuse as main transcriptc.827G>A p.Arg276Gln missense_variant 10/102 ENSP00000314973.4 B4DP31
PRPSAP1ENST00000588364.1 linkuse as main transcriptn.826G>A non_coding_transcript_exon_variant 3/35

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD3 exomes
AF:
0.0000159
AC:
4
AN:
250928
Hom.:
0
AF XY:
0.0000147
AC XY:
2
AN XY:
135616
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000290
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.0000545
Gnomad SAS exome
AF:
0.0000327
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000881
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000821
AC:
12
AN:
1461520
Hom.:
0
Cov.:
30
AF XY:
0.00000825
AC XY:
6
AN XY:
727042
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000224
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000252
Gnomad4 SAS exome
AF:
0.0000116
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000809
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
32
Bravo
AF:
0.00000378
ExAC
AF:
0.00000824
AC:
1

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 GeneticsSep 27, 2022The c.1136G>A (p.R379Q) alteration is located in exon 10 (coding exon 10) of the PRPSAP1 gene. This alteration results from a G to A substitution at nucleotide position 1136, causing the arginine (R) at amino acid position 379 to be replaced by a glutamine (Q). 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
Uncertain
0.11
D
BayesDel_noAF
Uncertain
0.080
CADD
Pathogenic
33
DANN
Pathogenic
1.0
Eigen
Pathogenic
0.76
Eigen_PC
Pathogenic
0.78
FATHMM_MKL
Pathogenic
0.99
D
LIST_S2
Pathogenic
0.99
D;D
M_CAP
Benign
0.059
D
MetaRNN
Uncertain
0.64
D;D
MetaSVM
Uncertain
0.18
D
PrimateAI
Uncertain
0.78
T
PROVEAN
Uncertain
-2.5
D;D
REVEL
Uncertain
0.55
Sift
Benign
0.064
T;T
Sift4G
Benign
0.092
T;T
Polyphen
1.0
D;.
Vest4
0.67
MVP
0.81
MPC
0.79
ClinPred
0.79
D
GERP RS
5.6
gMVP
0.62

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: rs775714352; hg19: chr17-74307645; COSMIC: COSV53152917; COSMIC: COSV53152917; API