chr11-5232986-G-C

Variant summary

Our verdict is Uncertain significance. Variant got 4 ACMG points: 4P and 0B. PM2PP3_Moderate

The NM_000519.4(HBD):ā€‹c.422C>Gā€‹(p.Ala141Gly) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,738 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. A141V) has been classified as Likely benign.

Frequency

Genomes: not found (cov: 32)
Exomes š‘“: 6.8e-7 ( 0 hom. )

Consequence

HBD
NM_000519.4 missense

Scores

6
6
7

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 3.37
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]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 4 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.9

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
HBDNM_000519.4 linkuse as main transcriptc.422C>G p.Ala141Gly missense_variant 3/3 ENST00000650601.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
HBDENST00000650601.1 linkuse as main transcriptc.422C>G p.Ala141Gly missense_variant 3/3 NM_000519.4 P1
HBDENST00000643122.1 linkuse as main transcriptc.422C>G p.Ala141Gly missense_variant 4/4 P1
HBDENST00000417377.1 linkuse as main transcriptc.199C>G p.Pro67Ala missense_variant 2/23
HBDENST00000292901.7 linkuse as main transcriptc.316-188C>G intron_variant 3

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD3 exomes
AF:
0.00000398
AC:
1
AN:
251322
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
135822
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.0000544
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:
6.84e-7
AC:
1
AN:
1461738
Hom.:
0
Cov.:
32
AF XY:
0.00
AC XY:
0
AN XY:
727186
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000252
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
Pathogenic
0.28
D
BayesDel_noAF
Pathogenic
0.16
CADD
Benign
21
DANN
Uncertain
1.0
DEOGEN2
Benign
0.086
T;T;T
Eigen
Benign
0.14
Eigen_PC
Benign
0.019
FATHMM_MKL
Benign
0.48
N
LIST_S2
Uncertain
0.92
.;.;D
M_CAP
Pathogenic
0.36
D
MetaRNN
Pathogenic
0.90
D;D;D
MetaSVM
Uncertain
0.32
D
MutationAssessor
Pathogenic
3.5
M;M;M
MutationTaster
Benign
1.0
D;N
PrimateAI
Benign
0.37
T
PROVEAN
Uncertain
-2.9
.;D;.
REVEL
Pathogenic
0.69
Sift
Uncertain
0.0010
.;D;.
Sift4G
Uncertain
0.029
.;D;.
Polyphen
0.92
P;P;P
Vest4
0.29
MutPred
0.79
Loss of stability (P = 0.0926);Loss of stability (P = 0.0926);Loss of stability (P = 0.0926);
MVP
0.99
MPC
0.085
ClinPred
0.99
D
GERP RS
4.8
Varity_R
0.59
gMVP
0.51

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: rs63750461; hg19: chr11-5254216; API