NM_213595.4:c.17C>T

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_213595.4(ISCU):​c.17C>T​(p.Ala6Val) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★).

Frequency

Genomes: not found (cov: 35)

Consequence

ISCU
NM_213595.4 missense

Scores

1
4
13

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:2

Conservation

PhyloP100: 0.258

Publications

0 publications found
Variant links:
Genes affected
ISCU (HGNC:29882): (iron-sulfur cluster assembly enzyme) This gene encodes a component of the iron-sulfur (Fe-S) cluster scaffold. Fe-S clusters are cofactors that play a role in the function of a diverse set of enzymes, including those that regulate metabolism, iron homeostasis, and oxidative stress response. Alternative splicing results in transcript variants encoding different protein isoforms that localize either to the cytosol or to the mitochondrion. Mutations in this gene have been found in patients with hereditary myopathy with lactic acidosis. A disease-associated mutation in an intron may activate a cryptic splice site, resulting in the production of a splice variant encoding a putatively non-functional protein. A pseudogene of this gene is present on chromosome 1. [provided by RefSeq, Feb 2016]
ISCU Gene-Disease associations (from GenCC):
  • mitochondrial disease
    Inheritance: AR Classification: DEFINITIVE Submitted by: ClinGen
  • hereditary myopathy with lactic acidosis due to ISCU deficiency
    Inheritance: AR Classification: STRONG, SUPPORTIVE Submitted by: Labcorp Genetics (formerly Invitae), Orphanet

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.14534214).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_213595.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
ISCU
NM_213595.4
MANE Select
c.17C>Tp.Ala6Val
missense
Exon 1 of 5NP_998760.1Q9H1K1-1
ISCU
NM_001301141.1
c.17C>Tp.Ala6Val
missense
Exon 1 of 6NP_001288070.1B3KQ30
ISCU
NM_001301140.1
c.17C>Tp.Ala6Val
missense
Exon 1 of 6NP_001288069.1B3KQ30

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
ISCU
ENST00000311893.14
TSL:1 MANE Select
c.17C>Tp.Ala6Val
missense
Exon 1 of 5ENSP00000310623.9Q9H1K1-1
ISCU
ENST00000392807.8
TSL:1
c.-155C>T
5_prime_UTR
Exon 1 of 6ENSP00000376554.4Q9H1K1-2
ISCU
ENST00000539580.5
TSL:1
n.17C>T
non_coding_transcript_exon
Exon 1 of 7ENSP00000437854.1F5H672

Frequencies

GnomAD3 genomes
Cov.:
35
GnomAD4 exome
Cov.:
27
GnomAD4 genome
Cov.:
35
Alfa
AF:
0.00
Hom.:
0
Bravo
AF:
0.0000189

ClinVar

ClinVar submissions
Significance:Uncertain significance
Revision:criteria provided, multiple submitters, no conflicts
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
2
-
not provided (2)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.20
BayesDel_addAF
Uncertain
0.14
D
BayesDel_noAF
Uncertain
-0.030
CADD
Benign
12
DANN
Uncertain
0.99
DEOGEN2
Benign
0.070
T
Eigen
Benign
-0.087
Eigen_PC
Benign
-0.098
FATHMM_MKL
Benign
0.026
N
LIST_S2
Benign
0.74
T
M_CAP
Uncertain
0.22
D
MetaRNN
Benign
0.15
T
MetaSVM
Benign
-0.53
T
MutationAssessor
Benign
0.0
N
PhyloP100
0.26
PrimateAI
Pathogenic
0.80
T
PROVEAN
Benign
-0.59
N
REVEL
Benign
0.22
Sift
Benign
0.043
D
Sift4G
Benign
0.067
T
Polyphen
0.99
D
Vest4
0.33
MutPred
0.32
Gain of loop (P = 0.069)
MVP
0.69
MPC
0.35
ClinPred
0.39
T
GERP RS
5.0
PromoterAI
-0.069
Neutral
Varity_R
0.10
gMVP
0.62
Mutation Taster
=86/14
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: rs764795692; hg19: chr12-108956415; API