6-75284412-C-T

Variant summary

Our verdict is Uncertain significance. Variant got 1 ACMG points: 2P and 1B. PM2BP4

The NM_018247.4(TMEM30A):​c.227G>A​(p.Arg76His) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000684 in 1,461,806 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 0.0000068 ( 0 hom. )

Consequence

TMEM30A
NM_018247.4 missense

Scores

1
6
12

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.24
Variant links:
Genes affected
TMEM30A (HGNC:16667): (transmembrane protein 30A) Enables aminophospholipid flippase activity. Involved in several processes, including phospholipid transport; positive regulation of transport; and xenobiotic transmembrane transport. Located in endoplasmic reticulum and plasma membrane. Part of phospholipid-translocating ATPase complex. [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 1 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.3464188).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
TMEM30ANM_018247.4 linkc.227G>A p.Arg76His missense_variant Exon 1 of 7 ENST00000230461.11 NP_060717.1 Q9NV96-1
TMEM30ANM_001143958.2 linkc.227G>A p.Arg76His missense_variant Exon 1 of 6 NP_001137430.1 Q9NV96-2
LOC124901344XR_007059649.1 linkn.-101G>A upstream_gene_variant

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
TMEM30AENST00000230461.11 linkc.227G>A p.Arg76His missense_variant Exon 1 of 7 1 NM_018247.4 ENSP00000230461.6 Q9NV96-1

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD3 exomes
AF:
0.00000796
AC:
2
AN:
251316
Hom.:
0
AF XY:
0.00000736
AC XY:
1
AN XY:
135870
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:
0.0000176
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000684
AC:
10
AN:
1461806
Hom.:
0
Cov.:
31
AF XY:
0.00000963
AC XY:
7
AN XY:
727206
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:
0.00000630
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
Cov.:
32
Bravo
AF:
0.00000378
ExAC
AF:
0.00000824
AC:
1
EpiCase
AF:
0.00
EpiControl
AF:
0.000119

ClinVar

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

Submissions by phenotype

not specified Uncertain:1
Oct 16, 2024
Ambry Genetics
Significance: Uncertain significance
Review Status: criteria provided, single submitter
Collection Method: clinical testing

The c.227G>A (p.R76H) alteration is located in exon 1 (coding exon 1) of the TMEM30A gene. This alteration results from a G to A substitution at nucleotide position 227, causing the arginine (R) at amino acid position 76 to be replaced by a histidine (H). 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
AlphaMissense
Benign
0.11
BayesDel_addAF
Benign
-0.053
T
BayesDel_noAF
Benign
-0.30
CADD
Pathogenic
28
DANN
Pathogenic
1.0
DEOGEN2
Benign
0.067
T;.
Eigen
Uncertain
0.49
Eigen_PC
Uncertain
0.49
FATHMM_MKL
Uncertain
0.78
D
LIST_S2
Uncertain
0.88
D;D
M_CAP
Benign
0.030
D
MetaRNN
Benign
0.35
T;T
MetaSVM
Benign
-0.66
T
MutationAssessor
Benign
1.9
L;L
PrimateAI
Uncertain
0.61
T
PROVEAN
Benign
-1.8
N;N
REVEL
Uncertain
0.36
Sift
Benign
0.12
T;T
Sift4G
Benign
0.11
T;T
Polyphen
0.98
D;D
Vest4
0.25
MutPred
0.47
Loss of sheet (P = 0.0228);Loss of sheet (P = 0.0228);
MVP
0.78
MPC
0.71
ClinPred
0.89
D
GERP RS
5.1
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.31
gMVP
0.60

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: rs577513902; hg19: chr6-75994128; API