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GeneBe

12-8943507-C-T

Variant summary

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

The NM_002355.4(M6PR):c.482G>A(p.Arg161His) variant causes a missense change. The variant allele was found at a frequency of 0.0000167 in 1,614,188 control chromosomes in the GnomAD database, including 1 homozygotes. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000020 ( 1 hom., cov: 32)
Exomes 𝑓: 0.000016 ( 0 hom. )

Consequence

M6PR
NM_002355.4 missense

Scores

13
6

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 5.10
Variant links:
Genes affected
M6PR (HGNC:6752): (mannose-6-phosphate receptor, cation dependent) This gene encodes a member of the P-type lectin family. P-type lectins play a critical role in lysosome function through the specific transport of mannose-6-phosphate-containing acid hydrolases from the Golgi complex to lysosomes. The encoded protein functions as a homodimer and requires divalent cations for ligand binding. Alternatively spliced transcript variants encoding multiple isoforms have been observed for this gene. A pseudogene of this gene is located on the long arm of chromosome X. [provided by RefSeq, May 2011]

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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 UniProt
M6PRNM_002355.4 linkuse as main transcriptc.482G>A p.Arg161His missense_variant 5/7 ENST00000000412.8

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
M6PRENST00000000412.8 linkuse as main transcriptc.482G>A p.Arg161His missense_variant 5/71 NM_002355.4 P1

Frequencies

GnomAD3 genomes
AF:
0.0000197
AC:
3
AN:
152206
Hom.:
1
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000241
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:
0.00633
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.00000398
AC:
1
AN:
251456
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
135902
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 SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000879
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000164
AC:
24
AN:
1461864
Hom.:
0
Cov.:
31
AF XY:
0.0000179
AC XY:
13
AN XY:
727248
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000224
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000171
Gnomad4 OTH exome
AF:
0.0000497
GnomAD4 genome
AF:
0.0000197
AC:
3
AN:
152324
Hom.:
1
Cov.:
32
AF XY:
0.00
AC XY:
0
AN XY:
74478
show subpopulations
Gnomad4 AFR
AF:
0.0000241
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:
0.00
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000189

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 GeneticsOct 14, 2021The c.482G>A (p.R161H) alteration is located in exon 5 (coding exon 4) of the M6PR gene. This alteration results from a G to A substitution at nucleotide position 482, causing the arginine (R) at amino acid position 161 to be replaced by a histidine (H). 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
0.15
BayesDel_addAF
Uncertain
0.12
D
BayesDel_noAF
Uncertain
-0.060
Cadd
Pathogenic
28
Dann
Uncertain
1.0
DEOGEN2
Uncertain
0.56
D;T
Eigen
Uncertain
0.44
Eigen_PC
Uncertain
0.51
FATHMM_MKL
Uncertain
0.90
D
LIST_S2
Benign
0.75
T;T
M_CAP
Benign
0.070
D
MetaRNN
Uncertain
0.71
D;D
MetaSVM
Benign
-0.46
T
MutationAssessor
Uncertain
2.4
M;.
MutationTaster
Benign
1.0
D
PrimateAI
Uncertain
0.57
T
PROVEAN
Benign
-1.1
N;N
REVEL
Uncertain
0.39
Sift
Uncertain
0.0080
D;D
Sift4G
Uncertain
0.012
D;T
Polyphen
1.0
D;.
Vest4
0.36
MutPred
0.71
Loss of ubiquitination at K163 (P = 0.0896);.;
MVP
0.74
MPC
0.93
ClinPred
0.95
D
GERP RS
5.5
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.14
gMVP
0.76

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: rs987312358; hg19: chr12-9096103; COSMIC: COSV50002889; COSMIC: COSV50002889; API