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GeneBe

4-145514795-C-T

Variant summary

Our verdict is Uncertain significance. Variant got 1 ACMG points: 1P and 0B. PP2

The NM_005900.3(SMAD1):c.182C>T(p.Pro61Leu) variant causes a missense change. The variant allele was found at a frequency of 0.0000157 in 1,461,858 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 0.000016 ( 0 hom. )

Consequence

SMAD1
NM_005900.3 missense

Scores

4
6
7

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 6.15
Variant links:
Genes affected
SMAD1 (HGNC:6767): (SMAD family member 1) The protein encoded by this gene belongs to the SMAD, a family of proteins similar to the gene products of the Drosophila gene 'mothers against decapentaplegic' (Mad) and the C. elegans gene Sma. SMAD proteins are signal transducers and transcriptional modulators that mediate multiple signaling pathways. This protein mediates the signals of the bone morphogenetic proteins (BMPs), which are involved in a range of biological activities including cell growth, apoptosis, morphogenesis, development and immune responses. In response to BMP ligands, this protein can be phosphorylated and activated by the BMP receptor kinase. The phosphorylated form of this protein forms a complex with SMAD4, which is important for its function in the transcription regulation. This protein is a target for SMAD-specific E3 ubiquitin ligases, such as SMURF1 and SMURF2, and undergoes ubiquitination and proteasome-mediated degradation. Alternatively spliced transcript variants encoding the same protein have been observed. [provided by RefSeq, Jul 2008]
SMAD1-AS1 (HGNC:49379): (SMAD1 antisense RNA 1)

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 1 ACMG points.

PP2
Missense variant where missense usually causes diseases, SMAD1

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
SMAD1NM_005900.3 linkuse as main transcriptc.182C>T p.Pro61Leu missense_variant 2/7 ENST00000302085.9
SMAD1-AS1NR_126371.1 linkuse as main transcriptn.377G>A non_coding_transcript_exon_variant 2/2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
SMAD1ENST00000302085.9 linkuse as main transcriptc.182C>T p.Pro61Leu missense_variant 2/71 NM_005900.3 P1Q15797-1
SMAD1-AS1ENST00000513542.1 linkuse as main transcriptn.301G>A non_coding_transcript_exon_variant 2/22

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD3 exomes
AF:
0.00000399
AC:
1
AN:
250704
Hom.:
0
AF XY:
0.00000738
AC XY:
1
AN XY:
135528
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:
0.0000327
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000157
AC:
23
AN:
1461858
Hom.:
0
Cov.:
31
AF XY:
0.0000179
AC XY:
13
AN XY:
727230
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:
0.0000116
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000198
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
32
Alfa
AF:
0.0000282
Hom.:
0
Bravo
AF:
0.00000378
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000116
AC:
1
ExAC
AF:
0.00000824
AC:
1

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 GeneticsMay 15, 2023The c.182C>T (p.P61L) alteration is located in exon 2 (coding exon 1) of the SMAD1 gene. This alteration results from a C to T substitution at nucleotide position 182, causing the proline (P) at amino acid position 61 to be replaced by a leucine (L). 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
0.12
BayesDel_addAF
Uncertain
0.14
D
BayesDel_noAF
Uncertain
0.060
Cadd
Pathogenic
26
Dann
Uncertain
0.99
Eigen
Benign
0.16
Eigen_PC
Uncertain
0.26
FATHMM_MKL
Pathogenic
0.98
D
LIST_S2
Pathogenic
0.98
D;D;D;.;D;.;D
M_CAP
Benign
0.038
D
MetaRNN
Uncertain
0.69
D;D;D;D;D;D;D
MetaSVM
Benign
-0.38
T
MutationTaster
Benign
1.0
D;D;D
PrimateAI
Pathogenic
0.89
D
PROVEAN
Pathogenic
-7.8
D;D;D;D;D;D;D
REVEL
Uncertain
0.46
Sift
Benign
0.045
D;D;D;T;T;T;T
Sift4G
Benign
0.13
T;T;T;D;T;D;D
Polyphen
0.22, 0.0030
.;.;.;B;B;B;B
Vest4
0.64, 0.68, 0.64
MVP
0.90
MPC
1.8
ClinPred
0.97
D
GERP RS
5.0
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.29
gMVP
0.67

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: rs370506404; hg19: chr4-146435947; COSMIC: COSV57470576; COSMIC: COSV57470576; API