Genetic Variant NM_138574.4:c.527C>A (chr6-22570102-C-A) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_138574.4(HDGFL1):c.527C>A(p.Ala176Glu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. 16/22 in silico tools predict a benign 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. A176G) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0 ( 0 hom. )

Failed GnomAD Quality Control

Consequence

HDGFL1
NM_138574.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -2.97

Publications

2 publications found

Variant links:

Genes affected

HDGFL1 (HGNC:21095): (HDGF like 1) Predicted to enable double-stranded DNA binding activity and transcription coregulator activity. Predicted to be involved in regulation of transcription by RNA polymerase II. Predicted to be active in nucleus. [provided by Alliance of Genome Resources, Apr 2022]

HDGFL1 links:

CASC15 (HGNC:28245): (cancer susceptibility 15) This gene produces a long non-coding RNA that may regulate cell proliferation. This RNA is upregulated in hepatocellular carcinoma, where it is thought to function as an oncogene. However, some splice variants of this gene may function as a tumor suppressor in neuroblastoma and other tumor types. Circular RNA variants were observed at this gene. [provided by RefSeq, Dec 2017]

CASC15 links:

LOC105374971 (HGNC:):

LOC105374971 links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.049406737).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
HDGFL1	NM_138574.4 link	c.527C>A	p.Ala176Glu	missense_variant	Exon 1 of 1	ENST00000510882.4	NP_612641.2	Q5TGJ6A0A140VJK8
LOC105374971	XR_001744025.1 link	n.489-4017C>A		intron_variant	Intron 5 of 7

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
HDGFL1	ENST00000510882.4 link	c.527C>A	p.Ala176Glu	missense_variant	Exon 1 of 1	6	NM_138574.4	ENSP00000442129.1	Q5TGJ6
CASC15	ENST00000652081.2 link	n.146-4017C>A		intron_variant	Intron 2 of 7
CASC15	ENST00000846434.1 link	n.433-4017C>A		intron_variant	Intron 3 of 5

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

Data not reliable, filtered out with message: AC0

AF:

0.00

AC:

AN:

1383110

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

681248

African (AFR)

AF:

0.00

AC:

AN:

31484

American (AMR)

AF:

0.00

AC:

AN:

32596

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

23942

East Asian (EAS)

AF:

0.00

AC:

AN:

36486

South Asian (SAS)

AF:

0.00

AC:

AN:

77346

European-Finnish (FIN)

AF:

0.00

AC:

AN:

47168

Middle Eastern (MID)

AF:

0.00

AC:

AN:

4104

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1072978

Other (OTH)

AF:

0.00

AC:

AN:

57006

GnomAD4 genome

Cov.:

Alfa

AF:

0.00

Hom.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.073

BayesDel_addAF

Benign

-0.36

BayesDel_noAF

Benign

-0.75

CADD

Benign

0.0090

(source)

DANN

Benign

0.32

DEOGEN2

Benign

0.0034

Eigen

Benign

-1.5

Eigen_PC

Benign

-1.6

FATHMM_MKL

Benign

0.00025

LIST_S2

Benign

0.20

M_CAP

Benign

0.0022

MetaRNN

Benign

0.049

MetaSVM

Benign

-0.94

MutationAssessor

Benign

0.69

PhyloP100

-3.0

PrimateAI

Benign

0.45

PROVEAN

Benign

1.6

REVEL

Benign

0.0050

Sift

Benign

0.84

Sift4G

Benign

1.0

Polyphen

0.0010

Vest4

0.076

MutPred

0.28

Gain of solvent accessibility (P = 0.0145);

MVP

0.067

MPC

1.3

ClinPred

0.068

GERP RS

-0.88

Varity_R

0.054

gMVP

0.41

Mutation Taster

=99/1

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

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over