Genetic Variant CCT5:p.Ser3Cys (chr5-10250348-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_012073.5(CCT5):c.8C>G(p.Ser3Cys) variant causes a missense change. The variant allele was found at a frequency of 0.000000684 in 1,461,758 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts 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. S3F) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 34)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

CCT5
NM_012073.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 4.16

Publications

0 publications found

Variant links:

Genes affected

CCT5 (HGNC:1618): (chaperonin containing TCP1 subunit 5) The protein encoded by this gene is a molecular chaperone that is a member of the chaperonin containing TCP1 complex (CCT), also known as the TCP1 ring complex (TRiC). This complex consists of two identical stacked rings, each containing eight different proteins. Unfolded polypeptides enter the central cavity of the complex and are folded in an ATP-dependent manner. The complex folds various proteins, including actin and tubulin. Mutations in this gene cause hereditary sensory and autonomic neuropathy with spastic paraplegia (HSNSP). Alternative splicing results in multiple transcript variants. Related pseudogenes have been identified on chromosomes 5 and 13. [provided by RefSeq, Apr 2015]

CCT5 Gene-Disease associations (from GenCC):

hereditary sensory and autonomic neuropathy with spastic paraplegia
Inheritance: AR, Unknown Classification: SUPPORTIVE, LIMITED Submitted by: Ambry Genetics, Orphanet, Labcorp Genetics (formerly Invitae)
complex neurodevelopmental disorder
Inheritance: AD Classification: LIMITED Submitted by: Ambry Genetics

CCT5 links:

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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=0.2015289).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
CCT5	NM_012073.5 link	c.8C>G	p.Ser3Cys	missense_variant	Exon 1 of 11	ENST00000280326.9	NP_036205.1	P48643-1V9HW37

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
CCT5	ENST00000280326.9 link	c.8C>G	p.Ser3Cys	missense_variant	Exon 1 of 11	1	NM_012073.5	ENSP00000280326.4		P48643-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461758

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

727176

show subpopulations

African (AFR)

AF:

0.0000299

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:

53298

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1112000

Other (OTH)

AF:

0.00

AC:

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

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

0.25

BayesDel_addAF

Benign

-0.0075

BayesDel_noAF

Benign

-0.25

CADD

Pathogenic

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.18

T;.;T

Eigen

Uncertain

0.27

Eigen_PC

Uncertain

0.37

FATHMM_MKL

Pathogenic

0.99

LIST_S2

Uncertain

0.86

D;D;D

M_CAP

Benign

0.011

MetaRNN

Benign

0.20

T;T;T

MetaSVM

Benign

-0.83

MutationAssessor

Uncertain

2.1

M;.;.

PhyloP100

4.2

PrimateAI

Uncertain

0.65

PROVEAN

Benign

-1.4

N;N;.

REVEL

Benign

0.095

Sift

Uncertain

0.0030

D;D;.

Sift4G

Uncertain

0.016

D;D;T

Polyphen

0.47

P;B;.

Vest4

0.34

MutPred

0.29

Gain of catalytic residue at M1 (P = 0.001);Gain of catalytic residue at M1 (P = 0.001);Gain of catalytic residue at M1 (P = 0.001);

MVP

0.26

MPC

0.52

ClinPred

0.94

GERP RS

5.5

PromoterAI

-0.28

Neutral

(source)

RBP_binding_hub_radar

0.97

RBP_regulation_power_radar

2.1

Varity_R

0.33

gMVP

0.58

Mutation Taster

=67/33

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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5-10250348-C-G

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