NM_033126.3:c.661A>G

Variant names:

• chr8-86064156-T-C
• rs143750269
• NM_033126.3:c.661A>G

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_033126.3(PSKH2):​c.661A>G​(p.Thr221Ala) variant causes a missense change. The variant allele was found at a frequency of 0.00000274 in 1,461,876 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency:
  • Genomes: not found (cov: 32)
  • Exomes 𝑓: 0.0000027 (0 hom.)
• Consequence: PSKH2 NM_033126.3 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 5.46
• Publications: 0 publications found

Genes affected

PSKH2 (HGNC:18997): (protein serine kinase H2) Predicted to enable ATP binding activity; protein serine kinase activity; and protein serine/threonine kinase activity. Predicted to be involved in protein phosphorylation. [provided by Alliance of Genome Resources, Apr 2022]

ATP6V0D2 (HGNC:18266): (ATPase H+ transporting V0 subunit d2) Predicted to enable proton transmembrane transporter activity. Predicted to be involved in vacuolar acidification and vacuolar transport. Located in apical plasma membrane. Part of vacuolar proton-transporting V-type ATPase complex. [provided by Alliance of Genome Resources, Apr 2022]

ATP6V0D2 Gene-Disease associations (from GenCC):

• Ehlers-Danlos syndrome

  Inheritance: AR Classification: LIMITED Submitted by: Ambry Genetics

ACMG classification

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_033126.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	PSKH2	NM_033126.3	MANE Select	c.661A>G	p.Thr221Ala	missense	Exon 2 of 3	NP_149117.1	Q96QS6

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	PSKH2	ENST00000276616.3	TSL:1 MANE Select	c.661A>G	p.Thr221Ala	missense	Exon 2 of 3	ENSP00000276616.2	Q96QS6
	ATP6V0D2	ENST00000521564.1	TSL:3	c.-262-2232T>C		intron	N/A	ENSP00000429731.1	E5RHJ7
	PSKH2	ENST00000517981.5	TSL:3	n.644A>G		non_coding_transcript_exon	Exon 3 of 3

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome AF: 0.00000274 AC: 4 AN: 1461876 Hom.: 0 Cov.: 33 AF XY: 0.00 AC XY: 0 AN XY: 727240

⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.

African (AFR) AF: 0.00 AC: 0 AN: 33480

American (AMR) AF: 0.00 AC: 0 AN: 44722

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26136

East Asian (EAS) AF: 0.00 AC: 0 AN: 39700

South Asian (SAS) AF: 0.00 AC: 0 AN: 86256

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53416

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5768

European-Non Finnish (NFE) AF: 0.00000360 AC: 4 AN: 1112004

Other (OTH) AF: 0.00 AC: 0 AN: 60394

⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0.00383038), which strongly suggests a high chance of mosaicism in these individuals.

GnomAD4 genome Cov.: 32

Alfa AF: 0.00 Hom.: 0

Bravo AF: 0.00000378

ESP6500AA AF: 0.00 AC: 0

ESP6500EA AF: 0.000116 AC: 1

ClinVar

ClinVar submissions

Significance: Uncertain significance

Revision: criteria provided, single submitter

Pathogenic	VUS	Benign	Condition
-	1	-	not specified (1)

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.11
BayesDel_addAF	Uncertain	0.093	D
BayesDel_noAF	Benign	-0.10
CADD	Benign	22
DANN	Uncertain	1.0
DEOGEN2	Benign	0.025	T
Eigen	Uncertain	0.36
Eigen_PC	Uncertain	0.29
FATHMM_MKL	Uncertain	0.92	D
LIST_S2	Uncertain	0.92	D
M_CAP	Benign	0.046	D
MetaRNN	Uncertain	0.70	D
MetaSVM	Benign	-0.56	T
MutationAssessor	Benign	1.6	L
PhyloP100		5.5
PrimateAI	Benign	0.36	T
PROVEAN	Pathogenic	-4.5	D
REVEL	Uncertain	0.41
Sift	Uncertain	0.0010	D
Sift4G	Uncertain	0.0030	D
Polyphen		0.93	P
Vest4		0.58
MVP		0.79
MPC		0.34
ClinPred		0.99	D
GERP RS		3.9
Varity_R		0.71
gMVP		0.16
Mutation Taster		=98/2	polymorphism

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

Other links and lift over

dbSNP: rs143750269; hg19: chr8-87076385;