Genetic Variant NM_000519.4:c.212C>G (chr11-5234094-G-C) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_000519.4(HBD):c.212C>G(p.Ala71Gly) variant causes a missense change. The variant allele was found at a frequency of 0.00000479 in 1,461,850 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000048 ( 0 hom. )

Consequence

HBD
NM_000519.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 4.73

Publications

1 publications found

Variant links:

Genes affected

HBD (HGNC:4829): (hemoglobin subunit delta) The delta (HBD) and beta (HBB) genes are normally expressed in the adult: two alpha chains plus two beta chains constitute HbA, which in normal adult life comprises about 97% of the total hemoglobin. Two alpha chains plus two delta chains constitute HbA-2, which with HbF comprises the remaining 3% of adult hemoglobin. Five beta-like globin genes are found within a 45 kb cluster on chromosome 11 in the following order: 5'-epsilon--Ggamma--Agamma--delta--beta-3'. Mutations in the delta-globin gene are associated with beta-thalassemia. [provided by RefSeq, Jul 2008]

HBD Gene-Disease associations (from GenCC):

delta-beta-thalassemia
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

HBD links:

ENSG00000298932 (HGNC:):

ENSG00000298932 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
HBD	NM_000519.4 link	c.212C>G	p.Ala71Gly	missense_variant	Exon 2 of 3	ENST00000650601.1	NP_000510.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
HBD	ENST00000650601.1 link	c.212C>G	p.Ala71Gly	missense_variant	Exon 2 of 3		NM_000519.4	ENSP00000497529.1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.0000159

AC:

AN:

251394

AF XY:

0.0000147

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000352

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000479

AC:

AN:

1461850

Hom.:

Cov.:

AF XY:

0.00000275

AC XY:

AN XY:

727232

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44720

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53420

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00000540

AC:

AN:

1111976

Other (OTH)

AF:

0.0000166

AC:

AN:

60392

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.461

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

Cov.:

Alfa

AF:

0.0000434

Hom.:

ExAC

AF:

0.00000824

AC:

EpiCase

AF:

0.0000545

EpiControl

AF:

0.0000593

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.23

BayesDel_addAF

Uncertain

0.16

BayesDel_noAF

Uncertain

0.090

CADD

Benign

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.020

T;T;T;T;T

Eigen

Benign

-0.29

Eigen_PC

Benign

-0.32

FATHMM_MKL

Benign

0.70

LIST_S2

Uncertain

0.89

D;.;.;D;D

M_CAP

Uncertain

0.087

MetaRNN

Uncertain

0.55

D;D;D;D;D

MetaSVM

Uncertain

0.054

MutationAssessor

Benign

0.0

.;L;L;L;.

PhyloP100

4.7

PrimateAI

Benign

0.33

PROVEAN

Benign

-1.7

N;.;N;.;N

REVEL

Uncertain

0.63

Sift

Uncertain

0.0030

D;.;D;.;D

Sift4G

Benign

0.72

T;.;T;.;.

Vest4

0.72

ClinPred

0.37

GERP RS

3.4

PromoterAI

-0.0038

Neutral

(source)

Varity_R

0.46

gMVP

0.58

Mutation Taster

=3/97

disease causing

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over