Genetic Variant DDI2:p.His119Pro (chr1-15630412-A-C) – 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_032341.5(DDI2):c.356A>C(p.His119Pro) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000274 in 1,461,892 control chromosomes in the GnomAD database, with no homozygous occurrence. 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. H119R) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000027 ( 0 hom. )

Consequence

DDI2
NM_032341.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.987

Publications

0 publications found

Variant links:

Genes affected

DDI2 (HGNC:24578): (DNA damage inducible 1 homolog 2) Enables aspartic-type endopeptidase activity; identical protein binding activity; and ubiquitin binding activity. Involved in several processes, including cellular response to hydroxyurea; proteolysis; and regulation of DNA stability. Located in cytosol and nucleoplasm. [provided by Alliance of Genome Resources, Apr 2022]

DDI2 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=0.046545833).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_032341.5. 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
	DDI2	NM_032341.5	MANE Select	c.356A>C	p.His119Pro	missense	Exon 3 of 10	NP_115717.3

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
DDI2	ENST00000480945.6	TSL:2 MANE Select	c.356A>C	p.His119Pro	missense	Exon 3 of 10	ENSP00000417748.1	Q5TDH0-1
DDI2	ENST00000486680.1	TSL:1	n.484A>C		non_coding_transcript_exon	Exon 3 of 4
DDI2	ENST00000711098.1		c.356A>C	p.His119Pro	missense	Exon 3 of 9	ENSP00000518576.1	A0AA34QVL7

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

0.00000274

AC:

AN:

1461892

Hom.:

Cov.:

AF XY:

0.00000275

AC XY:

AN XY:

727246

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:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53420

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00000360

AC:

AN:

1112010

Other (OTH)

AF:

0.00

AC:

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.513

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

Cov.:

EpiCase

AF:

0.0000545

EpiControl

AF:

0.00

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.056

BayesDel_addAF

Benign

-0.19

BayesDel_noAF

Benign

-0.52

CADD

Benign

(source)

DANN

Benign

0.94

DEOGEN2

Benign

0.017

Eigen

Benign

-0.75

Eigen_PC

Benign

-0.58

FATHMM_MKL

Benign

0.42

LIST_S2

Benign

0.61

M_CAP

Benign

0.0022

MetaRNN

Benign

0.047

MetaSVM

Benign

-1.0

MutationAssessor

Benign

-0.83

PhyloP100

0.99

PrimateAI

Benign

0.31

PROVEAN

Benign

-0.96

REVEL

Benign

0.067

Sift

Benign

0.35

Sift4G

Benign

0.30

Polyphen

0.0

Vest4

0.12

MutPred

0.29

Gain of glycosylation at H119 (P = 0.0054)

MVP

0.35

MPC

1.4

ClinPred

0.077

GERP RS

2.0

Varity_R

0.050

gMVP

0.48

Mutation Taster

=85/15

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.010

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

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over