Genetic Variant NM_018952.5:c.402G>T (chr17-48597749-C-A) – ACMG Classification: Likely_benign (-4 pts)

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 0P and 4B. BS2

The NM_018952.5(HOXB6):c.402G>T(p.Met134Ile) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000753 in 1,460,560 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another nucleotide change resulting in the same amino acid substitution has been previously reported as Uncertain significance in ClinVar.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000075 ( 0 hom. )

Consequence

HOXB6
NM_018952.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 7.48

Publications

0 publications found

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:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -4 ACMG points.

BS2

High AC in GnomAdExome4 at 11 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
HOXB6	NM_018952.5 link	c.402G>T	p.Met134Ile	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.402G>T	p.Met134Ile	missense_variant	Exon 3 of 4	1	NM_018952.5	ENSP00000225648.3		P17509-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

0.00000753

AC:

AN:

1460560

Hom.:

Cov.:

AF XY:

0.00000688

AC XY:

AN XY:

726482

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33430

American (AMR)

AF:

0.00

AC:

AN:

44604

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26072

East Asian (EAS)

AF:

0.00

AC:

AN:

39664

South Asian (SAS)

AF:

0.00

AC:

AN:

85926

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53266

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5764

European-Non Finnish (NFE)

AF:

0.00000990

AC:

AN:

1111492

Other (OTH)

AF:

0.00

AC:

AN:

60342

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.502

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

Alfa

AF:

0.00

Hom.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.80

BayesDel_addAF

Pathogenic

0.32

BayesDel_noAF

Pathogenic

0.23

CADD

Uncertain

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.40

T;T

Eigen

Uncertain

0.34

Eigen_PC

Uncertain

0.46

FATHMM_MKL

Pathogenic

0.99

LIST_S2

Uncertain

0.87

.;D

M_CAP

Uncertain

0.16

MetaRNN

Uncertain

0.65

D;D

MetaSVM

Uncertain

0.70

MutationAssessor

Uncertain

2.8

M;M

PhyloP100

7.5

PrimateAI

Pathogenic

0.89

PROVEAN

Benign

-2.3

N;N

REVEL

Uncertain

0.55

Sift

Uncertain

0.0040

D;D

Sift4G

Benign

0.18

T;T

Polyphen

0.29

B;B

Vest4

0.74

MutPred

0.30

Gain of catalytic residue at S136 (P = 0.0561);Gain of catalytic residue at S136 (P = 0.0561);

MVP

0.97

MPC

0.38

ClinPred

0.97

GERP RS

5.3

Varity_R

0.65

gMVP

0.71

Mutation Taster

=16/84

disease causing

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.010

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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NM_018952.5:c.402G>T

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over