chr2-209772143-C-G

Variant names:

• chr2-209772143-C-G
• NM_001371986.1:c.71C>G

Variant summary

Our verdict is Uncertain significance. Variant got 1 ACMG points: 2P and 1B. PM2 BP4

The NM_001371986.1(UNC80):​c.71C>G​(p.Thr24Ser) variant causes a missense change. The variant allele was found at a frequency of 0.000000717 in 1,395,394 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency:
  • Genomes: not found (cov: 31)
  • Exomes 𝑓: 7.2e-7 (0 hom.)
• Consequence: UNC80 NM_001371986.1 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 5.32

Genes affected

UNC80 (HGNC:26582): (unc-80 homolog, NALCN channel complex subunit) The protein encoded by this gene is a component of a voltage-independent 'leak' ion-channel complex, in which it performs essential functions, such as serving as a bridge between two other components (sodium leak channel non-selective and UNC79) and as a scaffold for Src kinases. Leak channels play an importnat role in establishment and maintenance of resting membrane potentials in neurons. Mutations in this gene are associated with congenital infantile encephalopathy, intellectual disability and growth issues. [provided by RefSeq, Aug 2016]

ACMG classification

Verdict is Uncertain_significance. Variant got 1 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.32986385).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
UNC80	NM_001371986.1	c.71C>G	p.Thr24Ser	missense_variant	Exon 1 of 65	ENST00000673920.1	NP_001358915.1
UNC80	NM_032504.2	c.71C>G	p.Thr24Ser	missense_variant	Exon 1 of 64		NP_115893.1
UNC80	NM_182587.4	c.71C>G	p.Thr24Ser	missense_variant	Exon 1 of 63		NP_872393.3

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
UNC80	ENST00000673920.1	c.71C>G	p.Thr24Ser	missense_variant	Exon 1 of 65		NM_001371986.1	ENSP00000501211.1

Frequencies

GnomAD3 genomes Cov.: 31

GnomAD4 exome AF: 7.17e-7 AC: 1 AN: 1395394 Hom.: 0 Cov.: 31 AF XY: 0.00000145 AC XY: 1 AN XY: 688324

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: 0.00

Gnomad4 FIN exome AF: 0.00

Gnomad4 NFE exome AF: 9.28e-7

Gnomad4 OTH exome AF: 0.00

GnomAD4 genome Cov.: 31

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Uncertain	0.48
BayesDel_addAF	Benign	-0.099	T
BayesDel_noAF	Benign	-0.38
CADD	Uncertain	23
DANN	Uncertain	0.98
DEOGEN2	Benign	0.087	T;.
Eigen	Benign	-0.020
Eigen_PC	Benign	0.095
FATHMM_MKL	Benign	0.29	N
LIST_S2	Uncertain	0.90	D;D
M_CAP	Pathogenic	0.34	D
MetaRNN	Benign	0.33	T;T
MetaSVM	Benign	-1.0	T
MutationAssessor	Benign	1.6	L;L
PrimateAI	Pathogenic	0.94	D
PROVEAN	Benign	-1.4	N;N
REVEL	Benign	0.11
Sift	Benign	0.16	T;T
Sift4G	Uncertain	0.042	D;D
Polyphen		0.40	B;.
Vest4		0.51
MutPred		0.35		Gain of helix (P = 0.0496);Gain of helix (P = 0.0496);
MVP		0.18
MPC		0.33
ClinPred		0.62	D
GERP RS		4.3
Varity_R		0.20
gMVP		0.80

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

No publications associated with this variant yet.

Other links and lift over

hg19: chr2-210636867;