chr7-103311832-T-C

Variant summary

Our verdict is Uncertain significance. The variant received 5 ACMG points: 5P and 0B. PM2PP3_ModeratePP5

The NM_004279.3(PMPCB):​c.1265T>C​(p.Ile422Thr) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000198 in 1,613,124 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Pathogenic (no stars).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000021 ( 0 hom. )

Consequence

PMPCB
NM_004279.3 missense

Scores

10
7
1

Clinical Significance

Pathogenic no assertion criteria provided P:1

Conservation

PhyloP100: 7.67

Publications

5 publications found
Variant links:
Genes affected
PMPCB (HGNC:9119): (peptidase, mitochondrial processing subunit beta) This gene is a member of the peptidase M16 family and encodes a protein with a zinc-binding motif. This protein is located in the mitochondrial matrix and catalyzes the cleavage of the leader peptides of precursor proteins newly imported into the mitochondria, though it only functions as part of a heterodimeric complex. [provided by RefSeq, Jul 2008]
PMPCB Gene-Disease associations (from GenCC):
  • multiple mitochondrial dysfunctions syndrome 6
    Inheritance: AR Classification: STRONG, MODERATE Submitted by: Labcorp Genetics (formerly Invitae), Illumina, Ambry Genetics

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 5 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.894
PP5
Variant 7-103311832-T-C is Pathogenic according to our data. Variant chr7-103311832-T-C is described in ClinVar as Pathogenic. ClinVar VariationId is 523142.Status of the report is no_assertion_criteria_provided, 0 stars.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_004279.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
PMPCB
NM_004279.3
MANE Select
c.1265T>Cp.Ile422Thr
missense
Exon 11 of 13NP_004270.2O75439
PMPCB
NM_001438231.1
c.1265T>Cp.Ile422Thr
missense
Exon 11 of 12NP_001425160.1

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
PMPCB
ENST00000249269.9
TSL:1 MANE Select
c.1265T>Cp.Ile422Thr
missense
Exon 11 of 13ENSP00000249269.4O75439
PMPCB
ENST00000428154.5
TSL:1
c.1265T>Cp.Ile422Thr
missense
Exon 11 of 12ENSP00000390035.1G3V0E4
PMPCB
ENST00000706454.1
c.1265T>Cp.Ile422Thr
missense
Exon 11 of 13ENSP00000516392.1A0A9L9PXI7

Frequencies

GnomAD3 genomes
AF:
0.0000131
AC:
2
AN:
152218
Hom.:
0
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:
0.00
Gnomad NFE
AF:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.00000399
AC:
1
AN:
250784
AF XY:
0.00000738
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.0000544
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000205
AC:
30
AN:
1460906
Hom.:
0
Cov.:
30
AF XY:
0.0000179
AC XY:
13
AN XY:
726792
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33456
American (AMR)
AF:
0.00
AC:
0
AN:
44660
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26116
East Asian (EAS)
AF:
0.0000252
AC:
1
AN:
39674
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86126
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53392
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5764
European-Non Finnish (NFE)
AF:
0.0000261
AC:
29
AN:
1111354
Other (OTH)
AF:
0.00
AC:
0
AN:
60364
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.475
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
AF:
0.0000131
AC:
2
AN:
152218
Hom.:
0
Cov.:
32
AF XY:
0.0000134
AC XY:
1
AN XY:
74364
show subpopulations
African (AFR)
AF:
0.0000241
AC:
1
AN:
41456
American (AMR)
AF:
0.00
AC:
0
AN:
15280
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3468
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5202
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4830
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10626
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.0000147
AC:
1
AN:
68038
Other (OTH)
AF:
0.00
AC:
0
AN:
2092
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.475
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance
Alfa
AF:
0.0000282
Hom.:
0
Bravo
AF:
0.0000113

ClinVar

ClinVar submissions
Significance:Pathogenic
Revision:no assertion criteria provided
View on ClinVar
Pathogenic
VUS
Benign
Condition
1
-
-
Multiple mitochondrial dysfunctions syndrome 6 (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.68
BayesDel_addAF
Uncertain
0.16
D
BayesDel_noAF
Pathogenic
0.16
CADD
Uncertain
26
DANN
Uncertain
1.0
DEOGEN2
Uncertain
0.61
D
Eigen
Pathogenic
1.0
Eigen_PC
Pathogenic
0.95
FATHMM_MKL
Pathogenic
0.99
D
LIST_S2
Pathogenic
0.99
D
M_CAP
Benign
0.065
D
MetaRNN
Pathogenic
0.89
D
MetaSVM
Uncertain
-0.021
T
MutationAssessor
Pathogenic
3.4
M
PhyloP100
7.7
PrimateAI
Pathogenic
0.81
D
PROVEAN
Pathogenic
-4.7
D
REVEL
Uncertain
0.57
Sift
Uncertain
0.0080
D
Sift4G
Uncertain
0.0060
D
Polyphen
0.99
D
Vest4
0.86
MutPred
0.78
Loss of catalytic residue at L427 (P = 0.0252)
MVP
0.77
MPC
0.64
ClinPred
0.97
D
GERP RS
6.1
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1
Varity_R
0.44
gMVP
0.89
Mutation Taster
=1/99
disease causing (ClinVar)

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: rs1461200360; hg19: chr7-102952279; COSMIC: COSV50785639; COSMIC: COSV50785639; API