2-230877499-C-T

Variant summary

Our verdict is Benign. Variant got -19 ACMG points: 0P and 19B. BP4_ModerateBP6_Very_StrongBP7BA1

The NM_030926.6(ITM2C):​c.661C>T​(p.Leu221=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00413 in 1,614,048 control chromosomes in the GnomAD database, including 159 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.019 ( 78 hom., cov: 32)
Exomes 𝑓: 0.0026 ( 81 hom. )

Consequence

ITM2C
NM_030926.6 synonymous

Scores

2

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: 2.29
Variant links:
Genes affected
ITM2C (HGNC:6175): (integral membrane protein 2C) Enables amyloid-beta binding activity. Involved in negative regulation of neuron projection development and neuron differentiation. Located in several cellular components, including Golgi apparatus; lysosome; and perinuclear region of cytoplasm. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -19 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.39).
BP6
Variant 2-230877499-C-T is Benign according to our data. Variant chr2-230877499-C-T is described in ClinVar as [Benign]. Clinvar id is 791896.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BP7
Synonymous conserved (PhyloP=2.29 with no splicing effect.
BA1
GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.0597 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
ITM2CNM_030926.6 linkuse as main transcriptc.661C>T p.Leu221= synonymous_variant 5/6 ENST00000326427.11

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
ITM2CENST00000326427.11 linkuse as main transcriptc.661C>T p.Leu221= synonymous_variant 5/61 NM_030926.6 P1Q9NQX7-1
ITM2CENST00000326407.10 linkuse as main transcriptc.550C>T p.Leu184= synonymous_variant 4/51 Q9NQX7-3
ITM2CENST00000335005.10 linkuse as main transcriptc.520C>T p.Leu174= synonymous_variant 4/51 Q9NQX7-2
ITM2CENST00000409704.6 linkuse as main transcriptc.475C>T p.Leu159= synonymous_variant 5/65

Frequencies

GnomAD3 genomes
AF:
0.0185
AC:
2818
AN:
152204
Hom.:
77
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0614
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00791
Gnomad ASJ
AF:
0.0213
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00289
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00316
Gnomad NFE
AF:
0.000514
Gnomad OTH
AF:
0.0139
GnomAD3 exomes
AF:
0.00596
AC:
1497
AN:
251350
Hom.:
31
AF XY:
0.00499
AC XY:
678
AN XY:
135888
show subpopulations
Gnomad AFR exome
AF:
0.0616
Gnomad AMR exome
AF:
0.00327
Gnomad ASJ exome
AF:
0.0199
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00333
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000501
Gnomad OTH exome
AF:
0.00391
GnomAD4 exome
AF:
0.00262
AC:
3832
AN:
1461726
Hom.:
81
Cov.:
33
AF XY:
0.00249
AC XY:
1809
AN XY:
727186
show subpopulations
Gnomad4 AFR exome
AF:
0.0631
Gnomad4 AMR exome
AF:
0.00344
Gnomad4 ASJ exome
AF:
0.0194
Gnomad4 EAS exome
AF:
0.0000252
Gnomad4 SAS exome
AF:
0.00335
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.000329
Gnomad4 OTH exome
AF:
0.00618
GnomAD4 genome
AF:
0.0186
AC:
2838
AN:
152322
Hom.:
78
Cov.:
32
AF XY:
0.0180
AC XY:
1339
AN XY:
74492
show subpopulations
Gnomad4 AFR
AF:
0.0617
Gnomad4 AMR
AF:
0.00790
Gnomad4 ASJ
AF:
0.0213
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00269
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000515
Gnomad4 OTH
AF:
0.0137
Alfa
AF:
0.00649
Hom.:
13
Bravo
AF:
0.0211
Asia WGS
AF:
0.00953
AC:
33
AN:
3478
EpiCase
AF:
0.000927
EpiControl
AF:
0.000652

ClinVar

Significance: Benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not provided Benign:1
Benign, criteria provided, single submitterclinical testingInvitaeApr 17, 2018- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.39
CADD
Benign
10
DANN
Benign
0.77

Splicing

Name
Calibrated prediction
Score
Prediction
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: rs35084476; hg19: chr2-231742214; API