NM_004870.4:c.43C>T

Variant summary

Our verdict is Benign. The variant received -9 ACMG points: 0P and 9B. BP4_StrongBP6BS1

The NM_004870.4(MPDU1):​c.43C>T​(p.Pro15Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000208 in 1,614,196 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.0011 ( 0 hom., cov: 33)
Exomes 𝑓: 0.00012 ( 0 hom. )

Consequence

MPDU1
NM_004870.4 missense

Scores

1
5
12

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:3B:2

Conservation

PhyloP100: 2.22

Publications

2 publications found
Variant links:
Genes affected
MPDU1 (HGNC:7207): (mannose-P-dolichol utilization defect 1) This gene encodes an endoplasmic reticulum membrane protein that is required for utilization of the mannose donor mannose-P-dolichol in the synthesis of lipid-linked oligosaccharides and glycosylphosphatidylinositols. Mutations in this gene result in congenital disorder of glycosylation type If. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Dec 2008]
MPDU1-AS1 (HGNC:40379): (MPDU1 antisense RNA 1)

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -9 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.010525405).
BP6
Variant 17-7583905-C-T is Benign according to our data. Variant chr17-7583905-C-T is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 325513.
BS1
Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.00106 (162/152366) while in subpopulation AFR AF = 0.00387 (161/41572). AF 95% confidence interval is 0.00338. There are 0 homozygotes in GnomAd4. There are 72 alleles in the male GnomAd4 subpopulation. Median coverage is 33. This position passed quality control check.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_004870.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
MPDU1
NM_004870.4
MANE Select
c.43C>Tp.Pro15Ser
missense
Exon 1 of 7NP_004861.2A0A0S2Z4W8
MPDU1
NM_001330073.1
c.43C>Tp.Pro15Ser
missense
Exon 1 of 6NP_001317002.1J3QW43
MPDU1
NR_024603.1
n.259C>T
non_coding_transcript_exon
Exon 1 of 7

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
MPDU1
ENST00000250124.11
TSL:1 MANE Select
c.43C>Tp.Pro15Ser
missense
Exon 1 of 7ENSP00000250124.6O75352-1
MPDU1
ENST00000853390.1
c.43C>Tp.Pro15Ser
missense
Exon 1 of 7ENSP00000523449.1
MPDU1
ENST00000853388.1
c.43C>Tp.Pro15Ser
missense
Exon 1 of 7ENSP00000523447.1

Frequencies

GnomAD3 genomes
AF:
0.00107
AC:
163
AN:
152248
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.00391
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:
0.000478
GnomAD2 exomes
AF:
0.000314
AC:
79
AN:
251320
AF XY:
0.000184
show subpopulations
Gnomad AFR exome
AF:
0.00468
Gnomad AMR exome
AF:
0.0000867
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:
0.000119
AC:
174
AN:
1461830
Hom.:
0
Cov.:
31
AF XY:
0.000100
AC XY:
73
AN XY:
727214
show subpopulations
African (AFR)
AF:
0.00463
AC:
155
AN:
33480
American (AMR)
AF:
0.0000894
AC:
4
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:
0.00
AC:
0
AN:
86258
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53360
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5768
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
1112008
Other (OTH)
AF:
0.000248
AC:
15
AN:
60396
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.483
Heterozygous variant carriers
0
11
22
34
45
56
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
10
20
30
40
50
<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
AF:
0.00106
AC:
162
AN:
152366
Hom.:
0
Cov.:
33
AF XY:
0.000966
AC XY:
72
AN XY:
74516
show subpopulations
African (AFR)
AF:
0.00387
AC:
161
AN:
41572
American (AMR)
AF:
0.00
AC:
0
AN:
15310
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5186
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4834
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10628
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
294
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
68042
Other (OTH)
AF:
0.000473
AC:
1
AN:
2116
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.499
Heterozygous variant carriers
0
7
14
22
29
36
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome 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
Alfa
AF:
0.000563
Hom.:
1
Bravo
AF:
0.00133
ESP6500AA
AF:
0.00431
AC:
19
ESP6500EA
AF:
0.00
AC:
0
ExAC
AF:
0.000371
AC:
45

ClinVar

ClinVar submissions
Significance:Conflicting classifications of pathogenicity
Revision:criteria provided, conflicting classifications
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
1
1
MPDU1-congenital disorder of glycosylation (2)
-
1
1
not provided (2)
-
1
-
not specified (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.26
BayesDel_addAF
Benign
-0.22
T
BayesDel_noAF
Benign
-0.090
CADD
Benign
22
DANN
Benign
0.97
DEOGEN2
Benign
0.0043
T
Eigen
Benign
0.10
Eigen_PC
Uncertain
0.24
FATHMM_MKL
Benign
0.56
D
LIST_S2
Uncertain
0.93
D
M_CAP
Benign
0.038
D
MetaRNN
Benign
0.011
T
MetaSVM
Uncertain
-0.042
T
MutationAssessor
Benign
1.7
L
PhyloP100
2.2
PrimateAI
Uncertain
0.52
T
PROVEAN
Benign
-0.98
N
REVEL
Uncertain
0.38
Sift
Benign
0.40
T
Sift4G
Pathogenic
0.0
D
Polyphen
0.012
B
Vest4
0.16
MVP
0.90
MPC
0.36
ClinPred
0.075
T
GERP RS
5.3
PromoterAI
0.0022
Neutral
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.6
Varity_R
0.11
gMVP
0.49
Mutation Taster
=90/10
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: rs148935720; hg19: chr17-7487223; COSMIC: COSV51469257; COSMIC: COSV51469257; API