Variant 16-166026-T-C details in Genebe, Genetics Data Aggregator

Variant summary

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

The NM_001003938.4(HBM):c.29T>C(p.Ile10Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000795 in 1,597,108 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: 𝑓 0.000033 ( 0 hom., cov: 33)

Exomes 𝑓: 0.000084 ( 0 hom. )

Consequence

HBM
NM_001003938.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.107

Variant links:

Genes affected

HBM (HGNC:4826): (hemoglobin subunit mu) The human alpha globin gene cluster located on chromosome 16 spans about 30 kb and includes seven loci: 5'- zeta - pseudozeta - mu - pseudoalpha-1 - alpha-2 - alpha-1 - theta - 3'. This gene has an ORF encoding a 141 aa polypeptide which is similar to the delta globins found in reptiles and birds. This locus was originally described as a pseudogene; however, it is currently thought to be a protein-coding gene. [provided by RefSeq, Jul 2008]

HBM links:

HBM (HGNC:):

HBM links:

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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/exons	MANE	Protein	UniProt
HBM	NM_001003938.4 linkuse as main transcript	c.29T>C	p.Ile10Thr	missense_variant	1/3	ENST00000356815.4	NP_001003938.1	Q6B0K9A0A1K0FU50

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	UniProt
HBM	ENST00000356815.4 linkuse as main transcript	c.29T>C	p.Ile10Thr	missense_variant	1/3	1	NM_001003938.4	ENSP00000349270.3	Q6B0K9
HBM	ENST00000472539.5 linkuse as main transcript	n.206-242T>C		intron_variant		5
HBM	ENST00000496585.1 linkuse as main transcript	n.206-242T>C		intron_variant		2

Frequencies

GnomAD3 genomes

AF:

0.0000329

AC:

AN:

152102

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000735

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.0000274

AC:

AN:

219092

Hom.:

AF XY:

0.0000332

AC XY:

AN XY:

120634

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:

0.0000606

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000844

AC:

122

AN:

1445006

Hom.:

Cov.:

AF XY:

0.0000668

AC XY:

AN XY:

718356

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:

0.000107

Gnomad4 OTH exome

AF:

0.0000502

GnomAD4 genome

AF:

0.0000329

AC:

AN:

152102

Hom.:

Cov.:

AF XY:

0.0000135

AC XY:

AN XY:

74314

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.0000735

Gnomad4 OTH

AF:

0.00

Bravo

AF:

0.0000378

TwinsUK

AF:

0.00

AC:

ALSPAC

AF:

0.000259

AC:

ESP6500AA

AF:

0.00

AC:

ESP6500EA

AF:

0.000234

AC:

ExAC

AF:

0.0000581

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Nov 09, 2024

The c.29T>C (p.I10T) alteration is located in exon 1 (coding exon 1) of the HBM gene. This alteration results from a T to C substitution at nucleotide position 29, causing the isoleucine (I) at amino acid position 10 to be replaced by a threonine (T). 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

Uncertain

0.48

BayesDel_addAF

Benign

-0.026

BayesDel_noAF

Benign

-0.090

CADD

Benign

DANN

Uncertain

0.98

DEOGEN2

Benign

0.13

Eigen

Benign

-0.45

Eigen_PC

Benign

-0.72

FATHMM_MKL

Benign

0.090

LIST_S2

Benign

0.52

M_CAP

Uncertain

0.21

MetaRNN

Uncertain

0.43

MetaSVM

Uncertain

0.20

MutationAssessor

Pathogenic

3.0

PrimateAI

Uncertain

0.63

PROVEAN

Uncertain

-3.8

REVEL

Uncertain

0.35

Sift

Pathogenic

0.0

Sift4G

Pathogenic

0.0010

Polyphen

0.94

Vest4

0.40

MVP

0.91

MPC

0.79

ClinPred

0.40

GERP RS

0.27

Varity_R

0.36

gMVP

0.29

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over