Genetic Variant NM_001145418.2:c.6823G>A (chr22-27982844-C-T) – 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_001145418.2(TTC28):c.6823G>A(p.Asp2275Asn) variant causes a missense change. The variant allele was found at a frequency of 0.0000104 in 1,541,244 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 31)

Exomes 𝑓: 0.0000094 ( 0 hom. )

Consequence

TTC28
NM_001145418.2 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 4.68

Publications

0 publications found

Variant links:

Genes affected

TTC28 (HGNC:29179): (tetratricopeptide repeat domain 28) Enables kinase binding activity. Involved in regulation of mitotic cell cycle. Located in midbody. [provided by Alliance of Genome Resources, Apr 2022]

TTC28 links:

TTC28-AS1 (HGNC:29336): (TTC28 antisense RNA 1)

TTC28-AS1 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=0.19335383).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001145418.2. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
TTC28	NM_001145418.2	MANE Select	c.6823G>A	p.Asp2275Asn	missense	Exon 23 of 23	NP_001138890.1	Q96AY4
TTC28	NM_001393403.1		c.6799G>A	p.Asp2267Asn	missense	Exon 22 of 22	NP_001380332.1
TTC28	NM_001393404.1		c.6469G>A	p.Asp2157Asn	missense	Exon 22 of 22	NP_001380333.1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
TTC28	ENST00000397906.7	TSL:1 MANE Select	c.6823G>A	p.Asp2275Asn	missense	Exon 23 of 23	ENSP00000381003.2	Q96AY4
TTC28-AS1	ENST00000419253.1	TSL:1	n.146-2848C>T		intron	N/A
TTC28-AS1	ENST00000454741.5	TSL:1	n.206-11629C>T		intron	N/A

Frequencies

GnomAD3 genomes

AF:

0.0000197

AC:

AN:

152116

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000241

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:

0.0000294

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.00000683

AC:

AN:

146358

AF XY:

0.00

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.0000922

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000936

AC:

AN:

1389128

Hom.:

Cov.:

AF XY:

0.00000877

AC XY:

AN XY:

683882

show subpopulations

African (AFR)

AF:

0.0000638

AC:

AN:

31364

American (AMR)

AF:

0.00

AC:

AN:

35096

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

24268

East Asian (EAS)

AF:

0.0000281

AC:

AN:

35628

South Asian (SAS)

AF:

0.0000129

AC:

AN:

77820

European-Finnish (FIN)

AF:

0.00

AC:

AN:

48886

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5644

European-Non Finnish (NFE)

AF:

0.00000839

AC:

AN:

1072932

Other (OTH)

AF:

0.00

AC:

AN:

57490

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.490

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

AF:

0.0000197

AC:

AN:

152116

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74304

show subpopulations

African (AFR)

AF:

0.0000241

AC:

AN:

41418

American (AMR)

AF:

0.00

AC:

AN:

15274

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3468

East Asian (EAS)

AF:

0.00

AC:

AN:

5170

South Asian (SAS)

AF:

0.00

AC:

AN:

4822

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10614

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.0000294

AC:

AN:

68032

Other (OTH)

AF:

0.00

AC:

AN:

2092

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.442

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome 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

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.0000113

ClinVar

ClinVar submissions

Significance:Uncertain significance

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

not specified (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.098

BayesDel_addAF

Benign

-0.16

BayesDel_noAF

Benign

-0.26

CADD

Benign

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.031

Eigen

Benign

-0.16

Eigen_PC

Benign

-0.045

FATHMM_MKL

Uncertain

0.93

LIST_S2

Benign

0.78

M_CAP

Benign

0.043

MetaRNN

Benign

0.19

MetaSVM

Uncertain

-0.0012

MutationAssessor

Uncertain

2.0

PhyloP100

4.7

PrimateAI

Uncertain

0.50

PROVEAN

Benign

-1.1

REVEL

Benign

0.25

Sift

Uncertain

0.014

Sift4G

Benign

0.28

Polyphen

0.0080

Vest4

0.21

MutPred

0.13

Loss of phosphorylation at S2276 (P = 0.1269)

MVP

0.32

ClinPred

0.29

GERP RS

5.0

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.1

Varity_R

0.074

gMVP

0.16

Mutation Taster

=86/14

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

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

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over