Genetic Variant CCDC121:p.Ala144Thr (chr2-27627370-C-T) – 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_024584.5(CCDC121):c.430G>A(p.Ala144Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000013 in 1,461,796 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. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.000013 ( 0 hom. )

Consequence

CCDC121
NM_024584.5 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.896

Publications

1 publications found

Variant links:

Genes affected

CCDC121 (HGNC:25833): (coiled-coil domain containing 121)

CCDC121 links:

ENSG00000259080 (HGNC:):

ENSG00000259080 links:

Genome browser will be placed here

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=0.05568567).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_024584.5. 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
	CCDC121	NM_024584.5	MANE Select	c.430G>A	p.Ala144Thr	missense	Exon 2 of 2	NP_078860.2
	CCDC121	NM_001142683.3		c.916G>A	p.Ala306Thr	missense	Exon 2 of 2	NP_001136155.1	Q6ZUS5-2

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
CCDC121	ENST00000324364.4	TSL:1 MANE Select	c.430G>A	p.Ala144Thr	missense	Exon 2 of 2	ENSP00000339087.2	Q6ZUS5-1
CCDC121	ENST00000394775.3	TSL:1	c.916G>A	p.Ala306Thr	missense	Exon 2 of 2	ENSP00000412150.2	Q6ZUS5-2
CCDC121	ENST00000866112.1		c.430G>A	p.Ala144Thr	missense	Exon 2 of 2	ENSP00000536171.1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000796

AC:

AN:

251376

AF XY:

0.0000147

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:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000130

AC:

AN:

1461796

Hom.:

Cov.:

AF XY:

0.0000179

AC XY:

AN XY:

727208

show subpopulations

African (AFR)

AF:

0.0000299

AC:

AN:

33466

American (AMR)

AF:

0.0000224

AC:

AN:

44708

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26134

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.0000812

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53416

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5764

European-Non Finnish (NFE)

AF:

0.00000899

AC:

AN:

1111960

Other (OTH)

AF:

0.00

AC:

AN:

60390

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.472

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.:

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.0000113

ExAC

AF:

0.00000824

AC:

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

0.10

BayesDel_addAF

Benign

-0.49

BayesDel_noAF

Benign

-0.76

CADD

Benign

3.8

(source)

DANN

Benign

0.76

DEOGEN2

Benign

0.033

Eigen

Benign

-1.0

Eigen_PC

Benign

-1.1

FATHMM_MKL

Benign

0.013

LIST_S2

Benign

0.51

M_CAP

Benign

0.0051

MetaRNN

Benign

0.056

MetaSVM

Benign

-1.0

MutationAssessor

Benign

0.90

PhyloP100

-0.90

PrimateAI

Benign

0.27

PROVEAN

Benign

-0.40

REVEL

Benign

0.015

Sift

Benign

0.22

Sift4G

Benign

0.46

Polyphen

0.0070

Vest4

0.031

MutPred

0.25

Gain of relative solvent accessibility (P = 0.0479)

MVP

0.17

MPC

0.24

ClinPred

0.045

GERP RS

-0.24

Varity_R

0.034

gMVP

0.018

Mutation Taster

=100/0

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

ClinVar

Computational scores

Splicing

Publications

Other links and lift over