2-171692892-T-C

Variant names:

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 0P and 2B. BP4_Moderate

The NM_001378.3(DYNC1I2):c.224T>C(p.Ile75Thr) variant causes a missense, splice region change. The variant allele was found at a frequency of 0.000147 in 1,586,188 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 17/24 in silico tools predict a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00011 ( 0 hom., cov: 33)

Exomes 𝑓: 0.00015 ( 0 hom. )

Consequence

DYNC1I2
NM_001378.3 missense, splice_region

Scores

Splicing: ADA: 0.00005226

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 5.99

Publications

0 publications found

Variant links:

Genes affected

DYNC1I2 (HGNC:2964): (dynein cytoplasmic 1 intermediate chain 2) This gene encodes a member of the dynein intermediate chain family. The encoded protein is a non-catalytic component of the cytoplasmic dynein 1 complex, which acts as a retrograde microtubule motor to transport organelles and vesicles. A pseudogene of this gene is located on chromosome 10. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Nov 2012]

DYNC1I2 Gene-Disease associations (from GenCC):

neurodevelopmental disorder with microcephaly and structural brain anomalies
Inheritance: AR Classification: STRONG, LIMITED Submitted by: Labcorp Genetics (formerly Invitae), Ambry Genetics, G2P

DYNC1I2 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

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

BP4

Computational evidence support a benign effect (MetaRNN=0.1529822).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
DYNC1I2	NM_001378.3 link	c.224T>C	p.Ile75Thr	missense_variant, splice_region_variant	Exon 3 of 18	ENST00000397119.8	NP_001369.1	Q13409-1A0A140VKE9

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
DYNC1I2	ENST00000397119.8 link	c.224T>C	p.Ile75Thr	missense_variant, splice_region_variant	Exon 3 of 18	1	NM_001378.3	ENSP00000380308.3		Q13409-1

Frequencies

GnomAD3 genomes

AF:

0.000112

AC:

AN:

152124

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000193

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.000118

Gnomad OTH

AF:

0.000478

GnomAD2 exomes

AF:

0.0000612

AC:

AN:

212470

AF XY:

0.0000615

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.000118

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.000151

AC:

216

AN:

1434064

Hom.:

Cov.:

AF XY:

0.000156

AC XY:

111

AN XY:

711410

show subpopulations

African (AFR)

AF:

0.000152

AC:

AN:

32924

American (AMR)

AF:

0.00

AC:

AN:

41336

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25556

East Asian (EAS)

AF:

0.00

AC:

AN:

39038

South Asian (SAS)

AF:

0.0000365

AC:

AN:

82100

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52350

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5726

European-Non Finnish (NFE)

AF:

0.000182

AC:

199

AN:

1095584

Other (OTH)

AF:

0.000151

AC:

AN:

59450

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.479

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.000112

AC:

AN:

152124

Hom.:

Cov.:

AF XY:

0.000108

AC XY:

AN XY:

74320

show subpopulations

African (AFR)

AF:

0.000193

AC:

AN:

41438

American (AMR)

AF:

0.00

AC:

AN:

15286

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5200

South Asian (SAS)

AF:

0.00

AC:

AN:

4832

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10612

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.000118

AC:

AN:

67966

Other (OTH)

AF:

0.000478

AC:

AN:

2092

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.543

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.000106

Hom.:

Bravo

AF:

0.0000982

TwinsUK

AF:

0.000270

AC:

ALSPAC

AF:

0.000259

AC:

ESP6500AA

AF:

0.00

AC:

ESP6500EA

AF:

0.000244

AC:

ExAC

AF:

0.0000665

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Oct 06, 2023

Ambry Genetics

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

The c.224T>C (p.I75T) alteration is located in exon 3 (coding exon 2) of the DYNC1I2 gene. This alteration results from a T to C substitution at nucleotide position 224, causing the isoleucine (I) at amino acid position 75 to be replaced by a threonine (T). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.10

BayesDel_addAF

Benign

-0.20

BayesDel_noAF

Benign

-0.30

CADD

Benign

(source)

DANN

Benign

0.92

DEOGEN2

Benign

0.026

T;.;T;.;T;.;.;T;.;T;.;.;T;T;T;.;.;.;T

Eigen

Benign

-0.37

Eigen_PC

Benign

-0.15

FATHMM_MKL

Uncertain

0.97

LIST_S2

Uncertain

0.94

D;.;.;T;T;D;D;T;D;T;T;T;D;T;T;T;D;D;D

M_CAP

Benign

0.026

MetaRNN

Benign

0.15

T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T

MetaSVM

Benign

-0.73

MutationAssessor

Benign

0.34

.;N;N;N;.;N;N;.;N;N;.;N;.;.;.;.;.;.;.

PhyloP100

6.0

PrimateAI

Uncertain

0.60

PROVEAN

Benign

-2.0

N;N;N;N;N;N;N;N;N;N;N;N;N;N;N;N;N;N;N

REVEL

Benign

0.094

Sift

Uncertain

0.012

D;T;T;D;D;T;T;D;T;T;D;T;D;T;D;D;D;D;D

Sift4G

Uncertain

0.051

T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T;T

Polyphen

0.029, 0.0090, 0.0080

.;B;B;.;.;B;B;.;B;B;.;.;.;.;.;.;.;.;.

Vest4

0.30, 0.26, 0.26, 0.28, 0.27, 0.21, 0.26, 0.26

MVP

0.82

MPC

0.65

ClinPred

0.076

GERP RS

4.6

RBP_binding_hub_radar

0.92

RBP_regulation_power_radar

2.6

Varity_R

0.039

gMVP

0.056

Mutation Taster

=74/26

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

dbscSNV1_ADA

Benign

0.000052

dbscSNV1_RF

Benign

0.010

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

You must be logged in to view publications. This limit was set because tens of millions (!) of queries from AI bots are generated daily.

2-171692892-T-C

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over