chr4-184117790-G-A

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_153343.4(ENPP6):​c.644C>T​(p.Thr215Ile) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000244 in 1,614,270 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00015 ( 0 hom., cov: 33)
Exomes 𝑓: 0.00025 ( 0 hom. )

Consequence

ENPP6
NM_153343.4 missense

Scores

2
17

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.05
Variant links:
Genes affected
ENPP6 (HGNC:23409): (ectonucleotide pyrophosphatase/phosphodiesterase 6) Enables glycerophosphocholine cholinephosphodiesterase activity. Involved in choline metabolic process and lipid metabolic process. Located in extracellular region and plasma membrane. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.120856166).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
ENPP6NM_153343.4 linkuse as main transcriptc.644C>T p.Thr215Ile missense_variant 4/8 ENST00000296741.7

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
ENPP6ENST00000296741.7 linkuse as main transcriptc.644C>T p.Thr215Ile missense_variant 4/81 NM_153343.4 P1
ENPP6ENST00000512353.1 linkuse as main transcriptc.380C>T p.Thr127Ile missense_variant 5/63
ENPP6ENST00000510054.1 linkuse as main transcriptn.32C>T non_coding_transcript_exon_variant 1/33

Frequencies

GnomAD3 genomes
AF:
0.000151
AC:
23
AN:
152264
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000654
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:
0.000309
Gnomad OTH
AF:
0.000478
GnomAD3 exomes
AF:
0.000123
AC:
31
AN:
251468
Hom.:
0
AF XY:
0.000110
AC XY:
15
AN XY:
135900
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.000231
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000185
Gnomad OTH exome
AF:
0.000326
GnomAD4 exome
AF:
0.000254
AC:
371
AN:
1461888
Hom.:
0
Cov.:
31
AF XY:
0.000228
AC XY:
166
AN XY:
727246
show subpopulations
Gnomad4 AFR exome
AF:
0.0000299
Gnomad4 AMR exome
AF:
0.000224
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.000309
Gnomad4 OTH exome
AF:
0.000248
GnomAD4 genome
AF:
0.000151
AC:
23
AN:
152382
Hom.:
0
Cov.:
33
AF XY:
0.000148
AC XY:
11
AN XY:
74504
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.0000653
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000309
Gnomad4 OTH
AF:
0.000473
Alfa
AF:
0.000228
Hom.:
0
Bravo
AF:
0.000185
TwinsUK
AF:
0.000539
AC:
2
ALSPAC
AF:
0.00
AC:
0
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000349
AC:
3
ExAC
AF:
0.0000824
AC:
10
EpiCase
AF:
0.000109
EpiControl
AF:
0.000119

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsSep 17, 2021The c.644C>T (p.T215I) alteration is located in exon 4 (coding exon 4) of the ENPP6 gene. This alteration results from a C to T substitution at nucleotide position 644, causing the threonine (T) at amino acid position 215 to be replaced by an isoleucine (I). 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
0.16
BayesDel_addAF
Benign
-0.26
T
BayesDel_noAF
Benign
-0.30
CADD
Benign
17
DANN
Uncertain
0.98
DEOGEN2
Benign
0.18
T;T
Eigen
Benign
-0.30
Eigen_PC
Benign
-0.24
FATHMM_MKL
Benign
0.60
D
LIST_S2
Benign
0.68
T;T
M_CAP
Benign
0.030
D
MetaRNN
Benign
0.12
T;T
MetaSVM
Benign
-0.85
T
MutationAssessor
Benign
1.3
L;.
MutationTaster
Benign
1.0
N
PrimateAI
Uncertain
0.49
T
PROVEAN
Benign
-2.2
N;N
REVEL
Benign
0.12
Sift
Benign
0.083
T;T
Sift4G
Benign
0.17
T;.
Polyphen
0.25
B;.
Vest4
0.30
MVP
0.82
MPC
0.27
ClinPred
0.038
T
GERP RS
3.1
Varity_R
0.069
gMVP
0.59

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs151030639; hg19: chr4-185038943; API