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rs34313675

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_000519.4(HBD):c.39T>A(p.Asn13Lys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000508 in 1,613,932 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as other (no stars). Another nucleotide change resulting in same amino acid change has been previously reported as Likely benignin UniProt.

Frequency

Genomes: 𝑓 0.000066 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000049 ( 0 hom. )

Consequence

HBD
NM_000519.4 missense

Scores

3
15

Clinical Significance

other no assertion criteria provided O:2

Conservation

PhyloP100: -1.89
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]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.030159026).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
HBDNM_000519.4 linkuse as main transcriptc.39T>A p.Asn13Lys missense_variant 1/3 ENST00000650601.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
HBDENST00000650601.1 linkuse as main transcriptc.39T>A p.Asn13Lys missense_variant 1/3 NM_000519.4 P1

Frequencies

GnomAD3 genomes
AF:
0.0000657
AC:
10
AN:
152212
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00173
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000588
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000876
AC:
22
AN:
251232
Hom.:
0
AF XY:
0.0000737
AC XY:
10
AN XY:
135764
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00159
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000352
Gnomad OTH exome
AF:
0.000326
GnomAD4 exome
AF:
0.0000493
AC:
72
AN:
1461720
Hom.:
0
Cov.:
30
AF XY:
0.0000536
AC XY:
39
AN XY:
727174
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00176
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000180
Gnomad4 OTH exome
AF:
0.0000662
GnomAD4 genome
AF:
0.0000657
AC:
10
AN:
152212
Hom.:
0
Cov.:
32
AF XY:
0.000108
AC XY:
8
AN XY:
74366
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00173
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000588
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000182
Hom.:
0
Bravo
AF:
0.0000604
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000233
AC:
2
ExAC
AF:
0.000107
AC:
13
EpiCase
AF:
0.0000545
EpiControl
AF:
0.000119

ClinVar

Significance: other
Submissions summary: Other:2
Revision: no assertion criteria provided
LINK: link

Submissions by phenotype

HEMOGLOBIN NYU Other:1
other, no assertion criteria providedliterature onlyOMIMDec 12, 2017- -
HEMOGLOBIN A(2) NYU Other:1
other, no assertion criteria providedliterature onlyOMIMDec 12, 2017- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.14
BayesDel_addAF
Benign
-0.061
T
BayesDel_noAF
Benign
-0.22
Cadd
Benign
0.0020
Dann
Benign
0.87
DEOGEN2
Benign
0.0044
T;T;T;T;.;T
Eigen
Benign
-1.8
Eigen_PC
Benign
-1.9
FATHMM_MKL
Benign
0.15
N
LIST_S2
Benign
0.071
T;.;.;T;T;T
M_CAP
Uncertain
0.092
D
MetaRNN
Benign
0.030
T;T;T;T;T;T
MetaSVM
Benign
-0.36
T
MutationTaster
Benign
1.0
N;N
PrimateAI
Benign
0.38
T
PROVEAN
Benign
-0.91
N;.;N;.;N;N
REVEL
Uncertain
0.42
Sift
Uncertain
0.0020
D;.;D;.;D;D
Sift4G
Benign
0.86
T;.;T;.;T;.
Polyphen
0.039
.;B;B;B;.;.
Vest4
0.68
MutPred
0.47
Loss of catalytic residue at N13 (P = 0.0125);Loss of catalytic residue at N13 (P = 0.0125);Loss of catalytic residue at N13 (P = 0.0125);Loss of catalytic residue at N13 (P = 0.0125);Loss of catalytic residue at N13 (P = 0.0125);Loss of catalytic residue at N13 (P = 0.0125);
MVP
0.65
MPC
0.013
ClinPred
0.090
T
GERP RS
-9.2
Varity_R
0.37
gMVP
0.38

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: rs34313675; hg19: chr11-5255625; API