Genetic Variant ANKH:c.97-22650G>C (chr5-14791841-C-G) – ACMG Classification: Benign (-12 pts)

Variant summary

Our verdict is Benign. The variant received -12 ACMG points: 0P and 12B. BP4_StrongBA1

The NM_054027.6(ANKH):c.97-22650G>C variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.763 in 152,120 control chromosomes in the GnomAD database, including 44,390 homozygotes. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.76 ( 44390 hom., cov: 32)

Consequence

ANKH
NM_054027.6 intron

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.629

Publications

1 publications found

Variant links:

Genes affected

ANKH (HGNC:15492): (ANKH inorganic pyrophosphate transport regulator) This gene encodes a multipass transmembrane protein that is expressed in joints and other tissues and controls pyrophosphate levels in cultured cells. Progressive ankylosis-mediated control of pyrophosphate levels has been suggested as a possible mechanism regulating tissue calcification and susceptibility to arthritis in higher animals. Mutations in this gene have been associated with autosomal dominant craniometaphyseal dysplasia. [provided by RefSeq, Jul 2008]

ANKH Gene-Disease associations (from GenCC):

chondrocalcinosis 2
Inheritance: AD Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: G2P, Labcorp Genetics (formerly Invitae), Orphanet, Genomics England PanelApp
craniometaphyseal dysplasia, autosomal dominant
Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: Genomics England PanelApp, G2P, Labcorp Genetics (formerly Invitae)
skeletal dysplasia
Inheritance: AD Classification: MODERATE Submitted by: Ambry Genetics
craniometaphyseal dysplasia
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

ANKH links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -12 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.98).

BA1

GnomAd4 highest subpopulation (SAS) allele frequency at 95% confidence interval = 0.834 is higher than 0.05.

Transcripts

RefSeq

Gene	Transcript	HGVSc	Effect	Exon rank	MANE	Protein	UniProt
ANKH	NM_054027.6 link	c.97-22650G>C	intron_variant	Intron 1 of 11	ENST00000284268.8	NP_473368.1	Q9HCJ1-1
ANKH	XM_017009644.3 link	c.12+4377G>C	intron_variant	Intron 1 of 11		XP_016865133.1
ANKH	XM_011514067.2 link	c.97-22650G>C	intron_variant	Intron 1 of 8		XP_011512369.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
ANKH	ENST00000284268.8 link	c.97-22650G>C		intron_variant	Intron 1 of 11	1	NM_054027.6	ENSP00000284268.6		Q9HCJ1-1
ANKH	ENST00000513115.1 link	n.122-22650G>C		intron_variant	Intron 1 of 1	2

Frequencies

GnomAD3 genomes

AF:

0.763

AC:

115934

AN:

152002

Hom.:

44330

Cov.:

show subpopulations

Gnomad AFR

AF:

0.729

Gnomad AMI

AF:

0.695

Gnomad AMR

AF:

0.805

Gnomad ASJ

AF:

0.690

Gnomad EAS

AF:

0.840

Gnomad SAS

AF:

0.855

Gnomad FIN

AF:

0.799

Gnomad MID

AF:

0.722

Gnomad NFE

AF:

0.761

Gnomad OTH

AF:

0.753

We have no GnomAD4 exomes data on this position. Probably position not covered by the project.

GnomAD4 genome

AF:

0.763

AC:

116056

AN:

152120

Hom.:

44390

Cov.:

AF XY:

0.768

AC XY:

57074

AN XY:

74358

show subpopulations

African (AFR)

AF:

0.729

AC:

30262

AN:

41490

American (AMR)

AF:

0.806

AC:

12323

AN:

15292

Ashkenazi Jewish (ASJ)

AF:

0.690

AC:

2396

AN:

3470

East Asian (EAS)

AF:

0.840

AC:

4347

AN:

5176

South Asian (SAS)

AF:

0.856

AC:

4124

AN:

4818

European-Finnish (FIN)

AF:

0.799

AC:

8460

AN:

10582

Middle Eastern (MID)

AF:

0.711

AC:

209

AN:

294

European-Non Finnish (NFE)

AF:

0.761

AC:

51717

AN:

67990

Other (OTH)

AF:

0.756

AC:

1590

AN:

2104

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.503

Heterozygous variant carriers

1389

2778

4167

5556

6945

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Genome Hom

Variant carriers

862

1724

2586

3448

4310

<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:

0.774

Hom.:

5669

Bravo

AF:

0.757

Asia WGS

AF:

0.840

AC:

2920

AN:

3478

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.98

CADD

Benign

2.9

(source)

DANN

Benign

0.34

PhyloP100

0.63

Mutation Taster

=100/0

polymorphism (auto)

(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

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over