17-48597902-C-G

Variant names:

Variant summary

Our verdict is Likely benign. The variant received -6 ACMG points: 0P and 6B. BP4_ModerateBS2

The NM_018952.5(HOXB6):c.249G>C(p.Glu83Asp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000297 in 1,583,372 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000059 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000027 ( 0 hom. )

Consequence

HOXB6
NM_018952.5 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.300

Variant links:

Genes affected

HOXB6 (HGNC:5117): (homeobox B6) This gene is a member of the Antp homeobox family and encodes a protein with a homeobox DNA-binding domain. It is included in a cluster of homeobox B genes located on chromosome 17. The encoded protein functions as a sequence-specific transcription factor that is involved in development, including that of lung and skin, and has been localized to both the nucleus and cytoplasm. Altered expression of this gene or a change in the subcellular localization of its protein is associated with some cases of acute myeloid leukemia and colorectal cancer. [provided by RefSeq, Jul 2008]

HOXB6 links:

HOXB-AS3 (HGNC:40283): (HOXB cluster antisense RNA 3)

HOXB-AS3 links:

HOXB3 (HGNC:5114): (homeobox B3) This gene is a member of the Antp homeobox family and encodes a nuclear protein with a homeobox DNA-binding domain. It is included in a cluster of homeobox B genes located on chromosome 17. The encoded protein functions as a sequence-specific transcription factor that is involved in development. Increased expression of this gene is associated with a distinct biologic subset of acute myeloid leukemia (AML). [provided by RefSeq, Jul 2008]

HOXB3 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -6 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.105865985).

BS2

High AC in GnomAd4 at 9 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
HOXB6	NM_018952.5 link	c.249G>C	p.Glu83Asp	missense_variant	Exon 3 of 4	ENST00000225648.4	NP_061825.2	P17509-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
HOXB6	ENST00000225648.4 link	c.249G>C	p.Glu83Asp	missense_variant	Exon 3 of 4	1	NM_018952.5	ENSP00000225648.3		P17509-1

Frequencies

GnomAD3 genomes

AF:

0.0000591

AC:

AN:

152216

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:

0.000132

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000209

AC:

AN:

191320

AF XY:

0.00000953

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:

0.0000501

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000266

AC:

AN:

1431156

Hom.:

Cov.:

AF XY:

0.0000324

AC XY:

AN XY:

709152

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

32626

American (AMR)

AF:

0.00

AC:

AN:

41028

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25578

East Asian (EAS)

AF:

0.00

AC:

AN:

37696

South Asian (SAS)

AF:

0.00

AC:

AN:

82782

European-Finnish (FIN)

AF:

0.00

AC:

AN:

50288

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5728

European-Non Finnish (NFE)

AF:

0.0000347

AC:

AN:

1096350

Other (OTH)

AF:

0.00

AC:

AN:

59080

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.492

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.0000591

AC:

AN:

152216

Hom.:

Cov.:

AF XY:

0.0000403

AC XY:

AN XY:

74358

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41462

American (AMR)

AF:

0.00

AC:

AN:

15288

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5174

South Asian (SAS)

AF:

0.00

AC:

AN:

4832

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10628

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.000132

AC:

AN:

68040

Other (OTH)

AF:

0.00

AC:

AN:

2094

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.531

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.0000340

ExAC

AF:

0.0000168

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Apr 26, 2023

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.249G>C (p.E83D) alteration is located in exon 3 (coding exon 1) of the HOXB6 gene. This alteration results from a G to C substitution at nucleotide position 249, causing the glutamic acid (E) at amino acid position 83 to be replaced by an aspartic acid (D). 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

0.067

BayesDel_addAF

Benign

-0.16

BayesDel_noAF

Benign

-0.35

CADD

Benign

(source)

DANN

Benign

0.89

DEOGEN2

Benign

0.12

T;T

Eigen

Benign

-0.26

Eigen_PC

Benign

-0.035

FATHMM_MKL

Uncertain

0.78

LIST_S2

Benign

0.79

.;T

M_CAP

Uncertain

0.089

MetaRNN

Benign

0.11

T;T

MetaSVM

Benign

-0.37

MutationAssessor

Benign

0.68

N;N

PhyloP100

0.30

PrimateAI

Pathogenic

0.85

PROVEAN

Benign

0.46

N;N

REVEL

Benign

0.29

Sift

Benign

0.81

T;T

Sift4G

Benign

0.83

T;T

Polyphen

0.0070

B;B

Vest4

0.13

MutPred

0.23

Loss of glycosylation at S86 (P = 0.1486);Loss of glycosylation at S86 (P = 0.1486);

MVP

0.93

MPC

0.31

ClinPred

0.088

GERP RS

5.4

Varity_R

0.14

gMVP

0.38

Mutation Taster

=72/28

polymorphism

(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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17-48597902-C-G

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over