Genetic Variant HKDC1:p.Gly284Ser (chr10-69243340-G-A) – ACMG Classification: Likely_benign (-4 pts)

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 0P and 4B. BP4_Strong

The NM_025130.4(HKDC1):c.850G>A(p.Gly284Ser) variant causes a missense change. The variant allele was found at a frequency of 0.0000881 in 1,599,932 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00022 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000075 ( 1 hom. )

Consequence

HKDC1
NM_025130.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:2

Conservation

PhyloP100: 6.90

Publications

2 publications found

Variant links:

Genes affected

HKDC1 (HGNC:23302): (hexokinase domain containing 1) This gene encodes a member of the hexokinase protein family. The encoded protein is involved in glucose metabolism, and reduced expression may be associated with gestational diabetes mellitus. High expression of this gene may also be associated with poor prognosis in hepatocarcinoma. [provided by RefSeq, Sep 2016]

HKDC1 Gene-Disease associations (from GenCC):

retinitis pigmentosa
Inheritance: AR Classification: LIMITED Submitted by: G2P

HKDC1 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

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

BP4

Computational evidence support a benign effect (MetaRNN=0.04363337).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_025130.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	HKDC1	NM_025130.4	MANE Select	c.850G>A	p.Gly284Ser	missense	Exon 7 of 18	NP_079406.4

Ensembl Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	HKDC1	ENST00000354624.6	TSL:1 MANE Select	c.850G>A	p.Gly284Ser	missense	Exon 7 of 18	ENSP00000346643.5

Frequencies

GnomAD3 genomes

AF:

0.000217

AC:

AN:

152156

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000193

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00144

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:

0.0000441

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000847

AC:

AN:

236222

AF XY:

0.0000943

show subpopulations

Gnomad AFR exome

AF:

0.000125

Gnomad AMR exome

AF:

0.000364

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.000111

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000188

Gnomad OTH exome

AF:

0.000349

GnomAD4 exome

AF:

0.0000746

AC:

108

AN:

1447658

Hom.:

Cov.:

AF XY:

0.0000640

AC XY:

AN XY:

719118

show subpopulations

African (AFR)

AF:

0.000151

AC:

AN:

33170

American (AMR)

AF:

0.000992

AC:

AN:

43332

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25048

East Asian (EAS)

AF:

0.000127

AC:

AN:

39442

South Asian (SAS)

AF:

0.00

AC:

AN:

83902

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52852

Middle Eastern (MID)

AF:

0.000176

AC:

AN:

5686

European-Non Finnish (NFE)

AF:

0.0000244

AC:

AN:

1104430

Other (OTH)

AF:

0.000452

AC:

AN:

59796

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.473

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.000217

AC:

AN:

152274

Hom.:

Cov.:

AF XY:

0.000201

AC XY:

AN XY:

74446

show subpopulations

African (AFR)

AF:

0.000193

AC:

AN:

41556

American (AMR)

AF:

0.00144

AC:

AN:

15298

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5184

South Asian (SAS)

AF:

0.00

AC:

AN:

4820

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10616

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.0000441

AC:

AN:

68014

Other (OTH)

AF:

0.00

AC:

AN:

2110

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.478

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.000227

Hom.:

Bravo

AF:

0.000366

ExAC

AF:

0.0000577

AC:

Asia WGS

AF:

0.00346

AC:

AN:

3478

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:2

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not provided

Uncertain:1

Breakthrough Genomics, Breakthrough Genomics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:not provided

Keratoconus 1

Uncertain:1

Apr 21, 2016

Lupski Lab, Baylor-Hopkins CMG, Baylor College of Medicine

Significance:Uncertain significance

Review Status:no assertion criteria provided

Collection Method:research

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.20

BayesDel_addAF

Benign

-0.040

BayesDel_noAF

Uncertain

0.010

CADD

Uncertain

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.35

Eigen

Benign

0.10

Eigen_PC

Uncertain

0.27

FATHMM_MKL

Uncertain

0.93

LIST_S2

Uncertain

0.86

M_CAP

Benign

0.060

MetaRNN

Benign

0.044

MetaSVM

Uncertain

0.39

MutationAssessor

Benign

1.6

PhyloP100

6.9

PrimateAI

Uncertain

0.67

PROVEAN

Benign

-1.5

REVEL

Uncertain

0.51

Sift

Benign

0.35

Sift4G

Benign

0.18

Polyphen

0.12

Vest4

0.57

MVP

0.91

MPC

0.29

ClinPred

0.042

GERP RS

5.2

Varity_R

0.29

gMVP

0.67

Mutation Taster

=57/43

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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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over