12-64866880-A-C

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_015279.2(TBC1D30):ā€‹c.1268A>Cā€‹(p.Gln423Pro) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000684 in 1,536,078 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (ā˜…).

Frequency

Genomes: š‘“ 0.000046 ( 0 hom., cov: 31)
Exomes š‘“: 0.000071 ( 0 hom. )

Consequence

TBC1D30
NM_015279.2 missense

Scores

1
9
7

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 8.27
Variant links:
Genes affected
TBC1D30 (HGNC:29164): (TBC1 domain family member 30) Enables GTPase activator activity and small GTPase binding activity. Involved in negative regulation of cilium assembly and positive regulation of GTPase activity. Located in ciliary basal body; cytosol; and plasma membrane. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
TBC1D30NM_015279.2 linkuse as main transcriptc.1268A>C p.Gln423Pro missense_variant 10/12 ENST00000539867.6 NP_056094.1 Q9Y2I9-2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
TBC1D30ENST00000539867.6 linkuse as main transcriptc.1268A>C p.Gln423Pro missense_variant 10/121 NM_015279.2 ENSP00000440207.1 Q9Y2I9-2
ENSG00000288591ENST00000674281.1 linkuse as main transcriptn.926A>C non_coding_transcript_exon_variant 12/17 ENSP00000501395.1 F8VZ81

Frequencies

GnomAD3 genomes
AF:
0.0000460
AC:
7
AN:
152186
Hom.:
0
Cov.:
31
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:
0.0000882
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000436
AC:
6
AN:
137654
Hom.:
0
AF XY:
0.0000402
AC XY:
3
AN XY:
74668
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 SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000111
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000708
AC:
98
AN:
1383892
Hom.:
0
Cov.:
30
AF XY:
0.0000571
AC XY:
39
AN XY:
682884
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000881
Gnomad4 OTH exome
AF:
0.0000518
GnomAD4 genome
AF:
0.0000460
AC:
7
AN:
152186
Hom.:
0
Cov.:
31
AF XY:
0.0000269
AC XY:
2
AN XY:
74344
show subpopulations
Gnomad4 AFR
AF:
0.0000241
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000882
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000378

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsAug 16, 2021The c.1268A>C (p.Q423P) alteration is located in exon 10 (coding exon 10) of the TBC1D30 gene. This alteration results from a A to C substitution at nucleotide position 1268, causing the glutamine (Q) at amino acid position 423 to be replaced by a proline (P). 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
BayesDel_addAF
Uncertain
0.021
T
BayesDel_noAF
Uncertain
0.020
CADD
Uncertain
24
DANN
Uncertain
1.0
DEOGEN2
Benign
0.028
T;.
Eigen
Uncertain
0.21
Eigen_PC
Uncertain
0.34
FATHMM_MKL
Pathogenic
0.98
D
LIST_S2
Uncertain
0.95
D;D
M_CAP
Benign
0.040
D
MetaRNN
Uncertain
0.49
T;T
MetaSVM
Benign
-1.1
T
PrimateAI
Uncertain
0.54
T
PROVEAN
Benign
-1.6
N;N
REVEL
Uncertain
0.32
Sift
Benign
0.082
T;T
Sift4G
Benign
0.21
T;T
Vest4
0.76
MVP
0.35
ClinPred
0.27
T
GERP RS
5.3
gMVP
0.77

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs1341418556; hg19: chr12-65260660; API