NM_030948.6:c.1561C>T

Variant summary

Our verdict is Uncertain significance. The variant received 3 ACMG points: 3P and 0B. PM2PP3

The NM_030948.6(PHACTR1):​c.1561C>T​(p.Arg521Cys) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000248 in 1,613,788 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 31)
Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

PHACTR1
NM_030948.6 missense

Scores

9
4
4

Clinical Significance

Uncertain significance criteria provided, single submitter P:1U:1

Conservation

PhyloP100: 7.91

Publications

8 publications found
Variant links:
Genes affected
PHACTR1 (HGNC:20990): (phosphatase and actin regulator 1) The protein encoded by this gene is a member of the phosphatase and actin regulator family of proteins. This family member can bind actin and regulate the reorganization of the actin cytoskeleton. It plays a role in tubule formation and in endothelial cell survival. Polymorphisms in this gene are associated with susceptibility to myocardial infarction, coronary artery disease and cervical artery dissection. Alternative splicing of this gene results in multiple transcript variants. [provided by RefSeq, Apr 2016]
TBC1D7 (HGNC:21066): (TBC1 domain family member 7) This gene encodes a member of the TBC-domain containing protein family. The encoded protein functions as a subunit of the tuberous sclerosis TSC1-TSC2 complex which plays a role in the regulation of cellular growth and differentiation. Mutations in this gene have been associated with autosomal recessive megalencephaly. Alternative splicing results in multiple transcript variants. Naturally occurring readthrough transcription occurs between this locus and downstream LOC100130357. [provided by RefSeq, Jan 2016]
TBC1D7 Gene-Disease associations (from GenCC):
  • macrocephaly/megalencephaly syndrome, autosomal recessive
    Inheritance: AR Classification: STRONG, MODERATE, LIMITED Submitted by: Genomics England PanelApp, PanelApp Australia, Ambry Genetics, Labcorp Genetics (formerly Invitae)

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 3 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.775

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_030948.6. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
PHACTR1
NM_030948.6
MANE Select
c.1561C>Tp.Arg521Cys
missense
Exon 13 of 15NP_112210.1Q9C0D0-1
PHACTR1
NM_001322314.4
c.1771C>Tp.Arg591Cys
missense
Exon 11 of 13NP_001309243.1A0A6Q8PGC2
PHACTR1
NM_001322310.2
c.1768C>Tp.Arg590Cys
missense
Exon 12 of 14NP_001309239.1

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
PHACTR1
ENST00000332995.12
TSL:2 MANE Select
c.1561C>Tp.Arg521Cys
missense
Exon 13 of 15ENSP00000329880.8Q9C0D0-1
PHACTR1
ENST00000675203.2
c.1771C>Tp.Arg591Cys
missense
Exon 11 of 13ENSP00000502172.2A0A6Q8PGC2
PHACTR1
ENST00000674595.1
c.1561C>Tp.Arg521Cys
missense
Exon 12 of 13ENSP00000502157.1A0A6Q8PG87

Frequencies

GnomAD3 genomes
AF:
0.0000197
AC:
3
AN:
152210
Hom.:
0
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.0000483
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:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.0000161
AC:
4
AN:
249212
AF XY:
0.0000222
show subpopulations
Gnomad AFR exome
AF:
0.000129
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:
0.0000177
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
6.84e-7
AC:
1
AN:
1461578
Hom.:
0
Cov.:
31
AF XY:
0.00000138
AC XY:
1
AN XY:
727086
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33474
American (AMR)
AF:
0.00
AC:
0
AN:
44718
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26132
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39700
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86256
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53346
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5766
European-Non Finnish (NFE)
AF:
8.99e-7
AC:
1
AN:
1111824
Other (OTH)
AF:
0.00
AC:
0
AN:
60362
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.475
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance
GnomAD4 genome
AF:
0.0000197
AC:
3
AN:
152210
Hom.:
0
Cov.:
31
AF XY:
0.0000403
AC XY:
3
AN XY:
74356
show subpopulations
African (AFR)
AF:
0.0000483
AC:
2
AN:
41444
American (AMR)
AF:
0.00
AC:
0
AN:
15288
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5200
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4826
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10616
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.0000147
AC:
1
AN:
68044
Other (OTH)
AF:
0.00
AC:
0
AN:
2092
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.508
Heterozygous variant carriers
0
1
1
2
2
3
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.0000658
Hom.:
0
Bravo
AF:
0.0000151
ExAC
AF:
0.0000248
AC:
3
EpiCase
AF:
0.00
EpiControl
AF:
0.0000593

ClinVar

ClinVar submissions
Significance:Uncertain significance
Revision:criteria provided, single submitter
View on ClinVar
Pathogenic
VUS
Benign
Condition
1
-
-
Developmental and epileptic encephalopathy, 70 (1)
-
1
-
not specified (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.76
BayesDel_addAF
Benign
-0.021
T
BayesDel_noAF
Uncertain
-0.030
CADD
Pathogenic
35
DANN
Pathogenic
1.0
DEOGEN2
Benign
0.42
T
Eigen
Pathogenic
0.79
Eigen_PC
Pathogenic
0.75
FATHMM_MKL
Uncertain
0.94
D
M_CAP
Benign
0.078
D
MetaRNN
Pathogenic
0.78
D
MetaSVM
Benign
-0.59
T
MutationAssessor
Uncertain
2.3
M
PhyloP100
7.9
PrimateAI
Pathogenic
0.94
D
PROVEAN
Pathogenic
-7.4
D
REVEL
Uncertain
0.50
Sift
Pathogenic
0.0
D
Sift4G
Pathogenic
0.0010
D
Polyphen
1.0
D
Vest4
0.89
MVP
0.61
ClinPred
0.98
D
GERP RS
4.9
Varity_R
0.78
gMVP
0.87
Mutation Taster
=4/96
disease causing (ClinVar)

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

Other links and lift over

dbSNP: rs748743403; hg19: chr6-13283705; API