Genetic Variant TUBGCP6:p.Asp1096Glu (chr22-50221071-A-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_020461.4(TUBGCP6):c.3288T>A(p.Asp1096Glu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. 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 (★). Another nucleotide change resulting in the same amino acid substitution has been previously reported as Likely benign in ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. D1096H) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.0 ( 0 hom., cov: 33)

Failed GnomAD Quality Control

Consequence

TUBGCP6
NM_020461.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -7.18

Publications

1 publications found

Variant links:

Genes affected

TUBGCP6 (HGNC:18127): (tubulin gamma complex component 6) The protein encoded by this gene is part of a large multisubunit complex required for microtubule nucleation at the centrosome. [provided by RefSeq, Jul 2008]

TUBGCP6 Gene-Disease associations (from GenCC):

microcephaly and chorioretinopathy 1
Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Labcorp Genetics (formerly Invitae), ClinGen, G2P, Orphanet

TUBGCP6 links:

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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=0.034564734).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_020461.4. 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
	TUBGCP6	NM_020461.4	MANE Select	c.3288T>A	p.Asp1096Glu	missense	Exon 16 of 25	NP_065194.3	Q96RT7-1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
TUBGCP6	ENST00000248846.10	TSL:1 MANE Select	c.3288T>A	p.Asp1096Glu	missense	Exon 16 of 25	ENSP00000248846.5	Q96RT7-1
TUBGCP6	ENST00000439308.7	TSL:1	n.3288T>A		non_coding_transcript_exon	Exon 16 of 25	ENSP00000397387.2	E7EQL8
TUBGCP6	ENST00000498611.5	TSL:1	n.3617+204T>A		intron	N/A

Frequencies

GnomAD3 genomes

AF:

0.00

AC:

AN:

114018

Hom.:

Cov.:

Gnomad AFR

AF:

0.00

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:

0.00

Gnomad OTH

AF:

0.00

GnomAD4 exome

Cov.:

GnomAD4 genome

Data not reliable, filtered out with message: AC0;AS_VQSR

AF:

0.00

AC:

AN:

114018

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

55242

African (AFR)

AF:

0.00

AC:

AN:

29128

American (AMR)

AF:

0.00

AC:

AN:

11328

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

2912

East Asian (EAS)

AF:

0.00

AC:

AN:

3430

South Asian (SAS)

AF:

0.00

AC:

AN:

3406

European-Finnish (FIN)

AF:

0.00

AC:

AN:

6508

Middle Eastern (MID)

AF:

0.00

AC:

AN:

130

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

55016

Other (OTH)

AF:

0.00

AC:

AN:

1566

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

0.18

BayesDel_addAF

Benign

-0.36

BayesDel_noAF

Benign

-0.75

CADD

Benign

0.0050

(source)

DANN

Benign

0.59

DEOGEN2

Benign

0.016

Eigen

Benign

-2.5

Eigen_PC

Benign

-2.6

FATHMM_MKL

Benign

0.059

LIST_S2

Benign

0.44

M_CAP

Benign

0.017

MetaRNN

Benign

0.035

MetaSVM

Benign

-1.0

MutationAssessor

Benign

0.77

PhyloP100

-7.2

PrimateAI

Benign

0.28

PROVEAN

Benign

0.0

REVEL

Benign

0.027

Sift

Benign

0.32

Sift4G

Benign

0.72

Polyphen

0.44

Vest4

0.10

MutPred

0.33

Loss of loop (P = 0.0986)

MVP

0.20

MPC

0.14

ClinPred

0.19

GERP RS

-8.8

Varity_R

0.023

gMVP

0.13

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over