11-83280143-T-A

Variant summary

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

The NM_001286116.2(CCDC90B):​c.-86A>T variant causes a 5 prime UTR premature start codon gain change. The variant allele was found at a frequency of 0.000041 in 1,609,742 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 33)
Exomes 𝑓: 0.000044 ( 0 hom. )

Consequence

CCDC90B
NM_001286116.2 5_prime_UTR_premature_start_codon_gain

Scores

1
4
13
Splicing: ADA: 0.9953
2

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.66
Variant links:
Genes affected
CCDC90B (HGNC:28108): (coiled-coil domain containing 90B) Located in mitochondrion. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

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 Protein UniProt
CCDC90BNM_021825.5 linkuse as main transcriptc.218A>T p.His73Leu missense_variant, splice_region_variant 2/9 ENST00000529689.6 NP_068597.2 Q9GZT6-1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
CCDC90BENST00000529689.6 linkuse as main transcriptc.218A>T p.His73Leu missense_variant, splice_region_variant 2/91 NM_021825.5 ENSP00000434724.1 Q9GZT6-1

Frequencies

GnomAD3 genomes
AF:
0.0000131
AC:
2
AN:
152224
Hom.:
0
Cov.:
33
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:
0.000384
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000161
AC:
4
AN:
248744
Hom.:
0
AF XY:
0.0000149
AC XY:
2
AN XY:
134502
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000219
Gnomad SAS 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:
0.0000439
AC:
64
AN:
1457518
Hom.:
0
Cov.:
30
AF XY:
0.0000414
AC XY:
30
AN XY:
725010
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00162
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000131
AC:
2
AN:
152224
Hom.:
0
Cov.:
33
AF XY:
0.0000269
AC XY:
2
AN XY:
74392
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.000384
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.00000756
ExAC
AF:
0.00000824
AC:
1
Asia WGS
AF:
0.000866
AC:
3
AN:
3478

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 GeneticsJul 05, 2024The c.218A>T (p.H73L) alteration is located in exon 2 (coding exon 2) of the CCDC90B gene. This alteration results from a A to T substitution at nucleotide position 218, causing the histidine (H) at amino acid position 73 to be replaced by a leucine (L). 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
0.16
BayesDel_addAF
Benign
-0.26
T
BayesDel_noAF
Benign
-0.31
CADD
Uncertain
25
DANN
Benign
0.97
DEOGEN2
Benign
0.059
T;.;.
Eigen
Benign
0.18
Eigen_PC
Uncertain
0.30
FATHMM_MKL
Uncertain
0.95
D
LIST_S2
Benign
0.53
T;T;T
M_CAP
Benign
0.0097
T
MetaRNN
Uncertain
0.49
T;T;T
MetaSVM
Benign
-1.0
T
PrimateAI
Uncertain
0.59
T
PROVEAN
Pathogenic
-4.9
D;D;D
REVEL
Benign
0.086
Sift
Benign
0.041
D;D;D
Sift4G
Benign
0.14
T;T;T
Polyphen
0.41
B;B;.
Vest4
0.56
MutPred
0.48
Loss of disorder (P = 0.0649);.;Loss of disorder (P = 0.0649);
MVP
0.58
MPC
0.11
ClinPred
0.68
D
GERP RS
5.6
Varity_R
0.69
gMVP
0.83

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Pathogenic
1.0
dbscSNV1_RF
Pathogenic
0.73
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: rs759235734; hg19: chr11-82991186; COSMIC: COSV52623925; COSMIC: COSV52623925; API