rs1205587876

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_006620.4(HBS1L):​c.1736C>T​(p.Thr579Ile) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000206 in 1,457,930 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 0.0000021 ( 0 hom. )

Consequence

HBS1L
NM_006620.4 missense

Scores

5
10
4

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 8.14
Variant links:
Genes affected
HBS1L (HGNC:4834): (HBS1 like translational GTPase) This gene encodes a member of the GTP-binding elongation factor family. It is expressed in multiple tissues with the highest expression in heart and skeletal muscle. The intergenic region of this gene and the MYB gene has been identified to be a quantitative trait locus (QTL) controlling fetal hemoglobin level, and this region influnces erythrocyte, platelet, and monocyte counts as well as erythrocyte volume and hemoglobin content. DNA polymorphisms at this region associate with fetal hemoglobin levels and pain crises in sickle cell disease. A single nucleotide polymorphism in exon 1 of this gene is significantly associated with severity in beta-thalassemia/Hemoglobin E. Multiple alternatively spliced transcript variants encoding different protein isoforms have been found for this gene. [provided by RefSeq, May 2009]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 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
HBS1LNM_006620.4 linkc.1736C>T p.Thr579Ile missense_variant Exon 15 of 18 ENST00000367837.10 NP_006611.1 Q9Y450-1D9YZV0
HBS1LNM_001145158.2 linkc.1610C>T p.Thr537Ile missense_variant Exon 14 of 17 NP_001138630.1 Q9Y450-4
HBS1LNM_001363686.2 linkc.1244C>T p.Thr415Ile missense_variant Exon 16 of 19 NP_001350615.1
HBS1LXM_047418093.1 linkc.1736C>T p.Thr579Ile missense_variant Exon 15 of 16 XP_047274049.1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
HBS1LENST00000367837.10 linkc.1736C>T p.Thr579Ile missense_variant Exon 15 of 18 1 NM_006620.4 ENSP00000356811.5 Q9Y450-1

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD3 exomes
AF:
0.00000400
AC:
1
AN:
249736
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
135148
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 SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000883
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000206
AC:
3
AN:
1457930
Hom.:
0
Cov.:
29
AF XY:
0.00
AC XY:
0
AN XY:
725338
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000270
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
32
Bravo
AF:
0.00000378

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Nov 15, 2024
Ambry Genetics
Significance: Uncertain significance
Review Status: criteria provided, single submitter
Collection Method: clinical testing

The c.1736C>T (p.T579I) alteration is located in exon 15 (coding exon 15) of the HBS1L gene. This alteration results from a C to T substitution at nucleotide position 1736, causing the threonine (T) at amino acid position 579 to be replaced by an isoleucine (I). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.31
BayesDel_addAF
Pathogenic
0.23
D
BayesDel_noAF
Uncertain
0.090
CADD
Pathogenic
27
DANN
Pathogenic
1.0
DEOGEN2
Benign
0.24
T;T;T;.;T
Eigen
Pathogenic
0.78
Eigen_PC
Pathogenic
0.74
FATHMM_MKL
Pathogenic
0.99
D
LIST_S2
Uncertain
0.96
D;D;D;D;D
M_CAP
Benign
0.055
D
MetaRNN
Uncertain
0.71
D;D;D;D;D
MetaSVM
Uncertain
-0.075
T
MutationAssessor
Uncertain
2.7
M;.;.;.;.
PrimateAI
Uncertain
0.71
T
PROVEAN
Uncertain
-4.0
D;D;D;D;D
REVEL
Uncertain
0.47
Sift
Uncertain
0.0030
D;D;D;D;D
Sift4G
Uncertain
0.012
D;D;D;D;D
Polyphen
0.99
D;.;.;D;.
Vest4
0.78
MutPred
0.46
Loss of methylation at R580 (P = 0.0525);.;.;.;.;
MVP
0.65
MPC
0.70
ClinPred
0.98
D
GERP RS
5.0
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.78
gMVP
0.59

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.040
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: rs1205587876; hg19: chr6-135299878; API