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17-2033556-A-C

Variant summary

Our verdict is Likely benign. Variant got -4 ACMG points: 2P and 6B. PM2BP4_StrongBP6_Moderate

The NM_001383.6(DPH1):c.113A>C(p.Lys38Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000465 in 1,614,204 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 Likely benign (★). Synonymous variant affecting the same amino acid position (i.e. K38K) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.000072 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000044 ( 0 hom. )

Consequence

DPH1
NM_001383.6 missense

Scores

2
17

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 1.64
Variant links:
Genes affected
DPH1 (HGNC:3003): (diphthamide biosynthesis 1) The protein encoded by this gene is an enzyme involved in the biosynthesis of diphthamide, a modified histidine found only in elongation factor-2 (EEF2). Diphthamide residues in EEF2 are targeted for ADP-ribosylation by diphtheria toxin and Pseudomonas exotoxin A. Defects in this gene have been associated with both ovarian cancer and autosomal recessive intellectual disability with short stature, craniofacial, and ectodermal anomalies. [provided by RefSeq, Oct 2016]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -4 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.008696616).
BP6
Variant 17-2033556-A-C is Benign according to our data. Variant chr17-2033556-A-C is described in ClinVar as [Likely_benign]. Clinvar id is 794077.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
DPH1NM_001383.6 linkuse as main transcriptc.113A>C p.Lys38Thr missense_variant 2/13 ENST00000263083.12

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
DPH1ENST00000263083.12 linkuse as main transcriptc.113A>C p.Lys38Thr missense_variant 2/131 NM_001383.6 P1Q9BZG8-4

Frequencies

GnomAD3 genomes
AF:
0.0000723
AC:
11
AN:
152218
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00212
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000268
AC:
67
AN:
249552
Hom.:
0
AF XY:
0.000214
AC XY:
29
AN XY:
135400
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00373
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000438
AC:
64
AN:
1461868
Hom.:
0
Cov.:
32
AF XY:
0.0000413
AC XY:
30
AN XY:
727230
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00151
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.0000662
GnomAD4 genome
AF:
0.0000722
AC:
11
AN:
152336
Hom.:
0
Cov.:
32
AF XY:
0.0000940
AC XY:
7
AN XY:
74494
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00212
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000945
ExAC
AF:
0.000223
AC:
27

ClinVar

Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not provided Benign:1
Likely benign, criteria provided, single submitterclinical testingInvitaeDec 31, 2019- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.076
BayesDel_addAF
Benign
-0.51
T
BayesDel_noAF
Benign
-0.50
Cadd
Benign
17
Dann
Uncertain
1.0
DEOGEN2
Benign
0.17
T
Eigen
Benign
-0.35
Eigen_PC
Benign
-0.24
FATHMM_MKL
Benign
0.66
D
LIST_S2
Benign
0.84
T
M_CAP
Benign
0.014
T
MetaRNN
Benign
0.0087
T
MetaSVM
Benign
-1.1
T
MutationAssessor
Benign
-0.065
N
MutationTaster
Benign
1.0
D;N
PrimateAI
Benign
0.35
T
PROVEAN
Benign
-0.62
N
REVEL
Benign
0.036
Sift
Benign
0.031
D
Sift4G
Uncertain
0.047
D
Polyphen
0.0010
B
Vest4
0.16
MVP
0.50
MPC
0.15
ClinPred
0.073
T
GERP RS
3.2
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.0
Varity_R
0.066
gMVP
0.44

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: rs181803178; hg19: chr17-1936850; API