3-49256315-C-T

Variant summary

Our verdict is Uncertain significance. Variant got 3 ACMG points: 3P and 0B. PM2PP3

The NM_001135197.2(IHO1):​c.818C>T​(p.Thr273Met) variant causes a missense change. The variant allele was found at a frequency of 0.00000342 in 1,461,876 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 Uncertain significance (★).

Frequency

Genomes: not found (cov: 31)
Exomes 𝑓: 0.0000034 ( 0 hom. )

Consequence

IHO1
NM_001135197.2 missense

Scores

4
4
10

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 4.01
Variant links:
Genes affected
IHO1 (HGNC:27945): (interactor of HORMAD1 1) Predicted to be involved in gamete generation; meiosis I cell cycle process; and regulation of homologous chromosome segregation. Predicted to be active in condensed nuclear chromosome. [provided by Alliance of Genome Resources, Apr 2022]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 3 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.8

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
IHO1NM_001135197.2 linkuse as main transcriptc.818C>T p.Thr273Met missense_variant 8/8 ENST00000452691.7 NP_001128669.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
IHO1ENST00000452691.7 linkuse as main transcriptc.818C>T p.Thr273Met missense_variant 8/82 NM_001135197.2 ENSP00000407837.2 Q8IYA8-1
IHO1ENST00000296449.9 linkuse as main transcriptc.818C>T p.Thr273Met missense_variant 10/101 ENSP00000296449.5 Q8IYA8-1
IHO1ENST00000438782.5 linkuse as main transcriptc.818C>T p.Thr273Met missense_variant 8/85 ENSP00000391788.1 Q8IYA8-1

Frequencies

GnomAD3 genomes
Cov.:
31
GnomAD3 exomes
AF:
0.00000797
AC:
2
AN:
251090
Hom.:
0
AF XY:
0.00000737
AC XY:
1
AN XY:
135694
show subpopulations
Gnomad AFR exome
AF:
0.0000615
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000882
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000342
AC:
5
AN:
1461876
Hom.:
0
Cov.:
31
AF XY:
0.00000275
AC XY:
2
AN XY:
727232
show subpopulations
Gnomad4 AFR exome
AF:
0.0000299
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000360
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
31
ExAC
AF:
0.00000824
AC:
1

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 GeneticsDec 21, 2023The c.818C>T (p.T273M) alteration is located in exon 10 (coding exon 7) of the CCDC36 gene. This alteration results from a C to T substitution at nucleotide position 818, causing the threonine (T) at amino acid position 273 to be replaced by a methionine (M). 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
0.25
BayesDel_addAF
Benign
-0.092
T
BayesDel_noAF
Benign
-0.19
CADD
Uncertain
24
DANN
Uncertain
1.0
DEOGEN2
Benign
0.25
T;T;T
Eigen
Uncertain
0.49
Eigen_PC
Uncertain
0.45
FATHMM_MKL
Uncertain
0.86
D
LIST_S2
Benign
0.81
.;T;.
M_CAP
Benign
0.016
T
MetaRNN
Pathogenic
0.80
D;D;D
MetaSVM
Benign
-1.1
T
PrimateAI
Benign
0.43
T
PROVEAN
Pathogenic
-5.9
D;D;D
REVEL
Benign
0.21
Sift
Pathogenic
0.0
D;D;D
Sift4G
Pathogenic
0.0
D;D;D
Polyphen
1.0
D;D;D
Vest4
0.73
MutPred
0.13
Loss of glycosylation at P276 (P = 0.0079);Loss of glycosylation at P276 (P = 0.0079);Loss of glycosylation at P276 (P = 0.0079);
MVP
0.73
MPC
0.86
ClinPred
0.99
D
GERP RS
5.3
Varity_R
0.63
gMVP
0.38

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs757884204; hg19: chr3-49293748; API