4-173529006-G-C

Variant summary

Our verdict is Uncertain significance. Variant got 1 ACMG points: 2P and 1B. PM2BP4

The NM_021973.3(HAND2):ā€‹c.284C>Gā€‹(p.Pro95Arg) variant causes a missense change. The variant allele was found at a frequency of 0.00000139 in 1,440,020 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: 32)
Exomes š‘“: 0.0000014 ( 0 hom. )

Consequence

HAND2
NM_021973.3 missense

Scores

2
7
10

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 3.67
Variant links:
Genes affected
HAND2 (HGNC:4808): (heart and neural crest derivatives expressed 2) The protein encoded by this gene belongs to the basic helix-loop-helix family of transcription factors. This gene product is one of two closely related family members, the HAND proteins, which are asymmetrically expressed in the developing ventricular chambers and play an essential role in cardiac morphogenesis. Working in a complementary fashion, they function in the formation of the right ventricle and aortic arch arteries, implicating them as mediators of congenital heart disease. In addition, this transcription factor plays an important role in limb and branchial arch development. [provided by RefSeq, Jul 2008]
HAND2-AS1 (HGNC:48872): (HAND2 antisense RNA 1) Predicted to be involved in positive regulation of gene expression. Predicted to act upstream of or within with a positive effect on cardiac right ventricle morphogenesis. Predicted to act upstream of or within transcription elongation from RNA polymerase II promoter. Predicted to be located in chromatin; cytoplasm; and nucleoplasm. [provided by Alliance of Genome Resources, Apr 2022]

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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;
BP4
Computational evidence support a benign effect (MetaRNN=0.31336862).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
HAND2NM_021973.3 linkc.284C>G p.Pro95Arg missense_variant Exon 1 of 2 ENST00000359562.4 NP_068808.1 P61296-1
HAND2-AS1NR_136197.1 linkn.240+167G>C intron_variant Intron 1 of 3

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
HAND2ENST00000359562.4 linkc.284C>G p.Pro95Arg missense_variant Exon 1 of 2 1 NM_021973.3 ENSP00000352565.4 P61296-1

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD3 exomes
AF:
0.00000457
AC:
1
AN:
218882
Hom.:
0
AF XY:
0.00000830
AC XY:
1
AN XY:
120440
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.0000594
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:
0.00000139
AC:
2
AN:
1440020
Hom.:
0
Cov.:
31
AF XY:
0.00000280
AC XY:
2
AN XY:
715466
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000512
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
Cov.:
32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.33
BayesDel_addAF
Uncertain
0.14
D
BayesDel_noAF
Uncertain
-0.040
CADD
Uncertain
25
DANN
Benign
0.81
DEOGEN2
Uncertain
0.43
T
Eigen
Benign
-0.30
Eigen_PC
Benign
-0.18
FATHMM_MKL
Uncertain
0.84
D
LIST_S2
Benign
0.56
T
M_CAP
Pathogenic
0.66
D
MetaRNN
Benign
0.31
T
MetaSVM
Uncertain
0.19
D
MutationAssessor
Benign
1.6
L
PrimateAI
Pathogenic
0.90
D
PROVEAN
Benign
-1.8
N
REVEL
Uncertain
0.48
Sift
Benign
0.16
T
Sift4G
Uncertain
0.045
D
Polyphen
0.47
P
Vest4
0.13
MutPred
0.26
Gain of MoRF binding (P = 0.0172);
MVP
1.0
MPC
1.0
ClinPred
0.20
T
GERP RS
4.0
Varity_R
0.12
gMVP
0.62

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: rs970062302; hg19: chr4-174450157; API