Genetic Variant THNSL1:p.His138Pro (chr10-25023636-A-C) – ACMG Classification: Likely_pathogenic (6 pts)

Variant summary

Our verdict is Likely pathogenic. The variant received 6 ACMG points: 6P and 0B. PM2PP3_Strong

The NM_024838.5(THNSL1):c.413A>C(p.His138Pro) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000205 in 1,461,858 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. H138R) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 0.0000021 ( 0 hom. )

Consequence

THNSL1
NM_024838.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 8.95

Publications

0 publications found

Variant links:

Genes affected

THNSL1 (HGNC:26160): (threonine synthase like 1)

THNSL1 links:

ENKUR (HGNC:28388): (enkurin, TRPC channel interacting protein) This gene encodes a protein that interacts with calmodulin and several transient receptor potential canonical cation channel proteins. The encoded protein may function as an adaptor to localize signal transduction machinery to calcium channels. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jun 2012]

ENKUR links:

ENSG00000285859 (HGNC:):

ENSG00000285859 links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_pathogenic. The variant received 6 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.952

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
THNSL1	NM_024838.5 link	c.413A>C	p.His138Pro	missense_variant	Exon 3 of 3	ENST00000376356.5	NP_079114.3	Q8IYQ7Q9H6P9

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
THNSL1	ENST00000376356.5 link	c.413A>C	p.His138Pro	missense_variant	Exon 3 of 3	1	NM_024838.5	ENSP00000365534.4	Q8IYQ7
ENKUR	ENST00000615958.4 link	c.38-27767T>G		intron_variant	Intron 2 of 5	1		ENSP00000478989.1	A0A087WUX1
THNSL1	ENST00000524413.5 link	c.413A>C	p.His138Pro	missense_variant	Exon 3 of 3	3		ENSP00000434887.1	Q8IYQ7
ENSG00000285859	ENST00000648191.1 link	n.336+1728A>C		intron_variant	Intron 3 of 4

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

0.00000205

AC:

AN:

1461858

Hom.:

Cov.:

AF XY:

0.00000275

AC XY:

AN XY:

727230

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26134

East Asian (EAS)

AF:

0.00

AC:

AN:

39692

South Asian (SAS)

AF:

0.00

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53410

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00000270

AC:

AN:

1111998

Other (OTH)

AF:

0.00

AC:

AN:

60394

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Uncertain

0.42

BayesDel_addAF

Pathogenic

0.24

BayesDel_noAF

Uncertain

0.10

CADD

Uncertain

(source)

DANN

Uncertain

0.98

DEOGEN2

Benign

0.052

T;T

Eigen

Pathogenic

0.86

Eigen_PC

Pathogenic

0.84

FATHMM_MKL

Uncertain

0.91

LIST_S2

Benign

0.79

.;T

M_CAP

Benign

0.032

MetaRNN

Pathogenic

0.95

D;D

MetaSVM

Benign

-0.49

MutationAssessor

Uncertain

2.9

M;M

PhyloP100

8.9

PrimateAI

Uncertain

0.70

PROVEAN

Uncertain

-3.5

D;D

REVEL

Pathogenic

0.65

Sift

Uncertain

0.0010

D;D

Sift4G

Uncertain

0.0020

D;D

Polyphen

1.0

D;D

Vest4

0.87

MutPred

0.86

Gain of glycosylation at H138 (P = 0.0259);Gain of glycosylation at H138 (P = 0.0259);

MVP

0.62

MPC

0.24

ClinPred

0.98

GERP RS

5.7

Varity_R

0.95

gMVP

0.89

Mutation Taster

=60/40

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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10-25023636-A-C

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