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chr9-86266174-C-T

Variant summary

Our verdict is Uncertain significance. Variant got 5 ACMG points: 5P and 0B. PM2PP3_ModeratePP5

The NM_030940.4(ISCA1):​c.259G>A​(p.Glu87Lys) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000995 in 1,607,686 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 Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000010 ( 0 hom. )

Consequence

ISCA1
NM_030940.4 missense

Scores

5
8
6

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications P:3U:1O:1

Conservation

PhyloP100: 7.57
Variant links:
Genes affected
ISCA1 (HGNC:28660): (iron-sulfur cluster assembly 1) ISCA1 is a mitochondrial protein involved in the biogenesis and assembly of iron-sulfur clusters, which play a role in electron-transfer reactions (Cozar-Castellano et al., 2004 [PubMed 15262227]).[supplied by OMIM, Mar 2008]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 5 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.844
PP5
Variant 9-86266174-C-T is Pathogenic according to our data. Variant chr9-86266174-C-T is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 375415.We mark this variant Likely_pathogenic, oryginal submissions are: {not_provided=1, Likely_pathogenic=1, Uncertain_significance=1}. Variant chr9-86266174-C-T is described in Lovd as [Pathogenic].

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
ISCA1NM_030940.4 linkuse as main transcriptc.259G>A p.Glu87Lys missense_variant 4/4 ENST00000375991.9

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
ISCA1ENST00000375991.9 linkuse as main transcriptc.259G>A p.Glu87Lys missense_variant 4/41 NM_030940.4 P1Q9BUE6-1
ISCA1ENST00000637705.1 linkuse as main transcriptc.196G>A p.Glu66Lys missense_variant 4/45
ISCA1ENST00000311534.6 linkuse as main transcriptc.-36G>A 5_prime_UTR_variant 4/42

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152170
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000207
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.00000416
AC:
1
AN:
240416
Hom.:
0
AF XY:
0.00000770
AC XY:
1
AN XY:
129832
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:
0.0000360
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000103
AC:
15
AN:
1455516
Hom.:
0
Cov.:
31
AF XY:
0.0000152
AC XY:
11
AN XY:
723626
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000236
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000108
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
AF:
0.00000657
AC:
1
AN:
152170
Hom.:
0
Cov.:
32
AF XY:
0.0000135
AC XY:
1
AN XY:
74344
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000207
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
ExAC
AF:
0.00000824
AC:
1

ClinVar

Significance: Conflicting classifications of pathogenicity
Submissions summary: Pathogenic:3Uncertain:1Other:1
Revision: criteria provided, conflicting classifications
LINK: link

Submissions by phenotype

Multiple mitochondrial dysfunctions syndrome 5 Pathogenic:2Uncertain:1Other:1
Pathogenic, no assertion criteria providedliterature onlyOMIMJul 08, 2020- -
not provided, no classification providedliterature onlyGeneReviews-Apparent founder variant in southwestern India -
Likely pathogenic, criteria provided, single submitterclinical testingKasturba Medical College, Manipal, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal, India-- -
Uncertain significance, criteria provided, single submitterclinical testingRevvity Omics, RevvityMar 14, 2023- -
Fatal multiple mitochondrial dysfunctions syndrome Pathogenic:1
Pathogenic, no assertion criteria providedresearchKasturba Medical College, Manipal, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Manipal, IndiaJan 30, 2017- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.93
BayesDel_addAF
Pathogenic
0.17
D
BayesDel_noAF
Uncertain
0.12
CADD
Benign
22
DANN
Uncertain
1.0
DEOGEN2
Uncertain
0.57
D;.
Eigen
Uncertain
0.44
Eigen_PC
Uncertain
0.56
FATHMM_MKL
Pathogenic
1.0
D
LIST_S2
Uncertain
0.90
D;T
M_CAP
Benign
0.0089
T
MetaRNN
Pathogenic
0.84
D;D
MetaSVM
Benign
-0.74
T
MutationAssessor
Benign
1.5
L;.
MutationTaster
Benign
1.0
D;D;D
PrimateAI
Pathogenic
0.87
D
PROVEAN
Uncertain
-3.0
D;.
REVEL
Uncertain
0.34
Sift
Benign
0.033
D;.
Sift4G
Benign
0.080
T;.
Polyphen
0.62
P;.
Vest4
0.61
MutPred
0.76
Gain of MoRF binding (P = 0.0235);.;
MVP
0.30
MPC
0.92
ClinPred
0.92
D
GERP RS
5.7
Varity_R
0.56
gMVP
0.87

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.17
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: rs776679653; hg19: chr9-88881089; API