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GeneBe

2-201491189-T-C

Variant summary

Our verdict is Uncertain significance. Variant got 1 ACMG points: 3P and 2B. PM2PP2BP4_Moderate

The NM_001168221.2(C2CD6):ā€‹c.5152A>Gā€‹(p.Thr1718Ala) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000326 in 1,532,230 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 12/18 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (ā˜…).

Frequency

Genomes: š‘“ 0.0000066 ( 0 hom., cov: 32)
Exomes š‘“: 0.0000029 ( 0 hom. )

Consequence

C2CD6
NM_001168221.2 missense

Scores

3
13

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.544
Variant links:
Genes affected
C2CD6 (HGNC:14438): (C2 calcium dependent domain containing 6) An autosomal recessive form of juvenile amyotrophic lateral sclerosis was originally mapped to a region of chromosome 2 that includes this gene. The encoded protein contains a calcium-dependent membrane targeting C2 domain. This domain is often found in proteins that are involved in membrane trafficking and signal transduction. [provided by RefSeq, Jun 2016]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 1 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP2
Missense variant where missense usually causes diseases, C2CD6
BP4
Computational evidence support a benign effect (MetaRNN=0.24803415).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
C2CD6NM_001168221.2 linkuse as main transcriptc.5152A>G p.Thr1718Ala missense_variant 15/16 ENST00000439140.6

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
C2CD6ENST00000439140.6 linkuse as main transcriptc.5152A>G p.Thr1718Ala missense_variant 15/161 NM_001168221.2 A2Q53TS8-4
C2CD6ENST00000286195.7 linkuse as main transcriptc.1582-3287A>G intron_variant 1 P2Q53TS8-1
C2CD6ENST00000439802.5 linkuse as main transcriptc.*50-3287A>G intron_variant 2 Q53TS8-2
C2CD6ENST00000482942.1 linkuse as main transcriptn.101-3287A>G intron_variant, non_coding_transcript_variant 3

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152230
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:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD4 exome
AF:
0.00000290
AC:
4
AN:
1380000
Hom.:
0
Cov.:
32
AF XY:
0.00000147
AC XY:
1
AN XY:
680996
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000295
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:
0.00000278
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.00000657
AC:
1
AN:
152230
Hom.:
0
Cov.:
32
AF XY:
0.00
AC XY:
0
AN XY:
74366
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:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000147
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.00000756

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 GeneticsNov 10, 2021The c.5152A>G (p.T1718A) alteration is located in exon 15 (coding exon 15) of the ALS2CR11 gene. This alteration results from a A to G substitution at nucleotide position 5152, causing the threonine (T) at amino acid position 1718 to be replaced by an alanine (A). 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
BayesDel_addAF
Benign
-0.17
T
BayesDel_noAF
Benign
-0.48
CADD
Benign
23
DANN
Uncertain
1.0
Eigen
Benign
0.13
Eigen_PC
Benign
0.17
FATHMM_MKL
Benign
0.54
D
LIST_S2
Benign
0.47
T
M_CAP
Benign
0.020
T
MetaRNN
Benign
0.25
T
MetaSVM
Benign
-1.0
T
MutationTaster
Benign
1.0
D;D;N
PrimateAI
Benign
0.36
T
PROVEAN
Uncertain
-2.4
N
REVEL
Benign
0.049
Sift
Uncertain
0.012
D
Sift4G
Benign
0.58
T
Vest4
0.31
MutPred
0.28
Gain of catalytic residue at T1718 (P = 0.0287);
MVP
0.60
MPC
0.50
ClinPred
0.81
D
GERP RS
2.5
gMVP
0.021

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: rs1029290753; hg19: chr2-202355912; API