dbSNP rs756003432: DIAPH1:p.Glu1120Gln (chr5-141526377-C-G) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_005219.5(DIAPH1):c.3358G>C(p.Glu1120Gln) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,882 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/22 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. E1120K) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

DIAPH1
NM_005219.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.809

Publications

0 publications found

Variant links:

Genes affected

DIAPH1 (HGNC:2876): (diaphanous related formin 1) This gene is a homolog of the Drosophila diaphanous gene, and has been linked to autosomal dominant, fully penetrant, nonsyndromic sensorineural progressive low-frequency hearing loss. Actin polymerization involves proteins known to interact with diaphanous protein in Drosophila and mouse. It has therefore been speculated that this gene may have a role in the regulation of actin polymerization in hair cells of the inner ear. Alternatively spliced transcript variants encoding distinct isoforms have been found for this gene. [provided by RefSeq, Jul 2008]

DIAPH1 Gene-Disease associations (from GenCC):

DIAPH1-related sensorineural hearing loss-thrombocytopenia syndrome
Inheritance: AD Classification: DEFINITIVE, SUPPORTIVE Submitted by: ClinGen, Orphanet
autosomal dominant nonsyndromic hearing loss 1
Inheritance: AD Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae), PanelApp Australia
progressive microcephaly-seizures-cortical blindness-developmental delay syndrome
Inheritance: AR Classification: STRONG, SUPPORTIVE Submitted by: Labcorp Genetics (formerly Invitae), Orphanet

DIAPH1 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.17163774).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
DIAPH1	NM_005219.5 link	c.3358G>C	p.Glu1120Gln	missense_variant	Exon 25 of 28	ENST00000389054.8	NP_005210.3	O60610-1Q6URC4

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
DIAPH1	ENST00000389054.8 link	c.3358G>C	p.Glu1120Gln	missense_variant	Exon 25 of 28	5	NM_005219.5	ENSP00000373706.4	O60610-1
DIAPH1	ENST00000518047.5 link	c.3331G>C	p.Glu1111Gln	missense_variant	Exon 24 of 27	5		ENSP00000428268.2	O60610-3
DIAPH1	ENST00000647433.1 link	c.3358G>C	p.Glu1120Gln	missense_variant	Exon 25 of 29			ENSP00000494675.1	A0A2R8Y5N1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461882

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

727238

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:

86256

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53420

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

8.99e-7

AC:

AN:

1112002

Other (OTH)

AF:

0.00

AC:

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

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

Benign

0.11

BayesDel_addAF

Benign

-0.22

BayesDel_noAF

Benign

-0.56

CADD

Benign

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.15

T;.;T;.;T;.

Eigen

Benign

-0.25

Eigen_PC

Benign

-0.18

FATHMM_MKL

Benign

0.28

LIST_S2

Benign

0.85

T;T;D;D;T;D

M_CAP

Benign

0.0030

MetaRNN

Benign

0.17

T;T;T;T;T;T

MetaSVM

Benign

-1.1

MutationAssessor

Benign

1.9

L;.;.;.;.;.

PhyloP100

0.81

PrimateAI

Benign

0.31

PROVEAN

Benign

-1.4

.;.;.;N;N;.

REVEL

Benign

0.074

Sift

Benign

0.048

.;.;.;D;T;.

Sift4G

Benign

0.28

T;.;T;T;T;T

Polyphen

0.016

B;.;.;.;.;.

Vest4

0.11

MutPred

0.44

Loss of ubiquitination at K1116 (P = 0.1327);Loss of ubiquitination at K1116 (P = 0.1327);.;.;Loss of ubiquitination at K1116 (P = 0.1327);.;

MVP

0.50

MPC

1.3

ClinPred

0.85

GERP RS

4.8

Varity_R

0.087

gMVP

0.10

Mutation Taster

=91/9

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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rs756003432

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