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GeneBe

19-48714849-G-C

Variant summary

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

The NM_001130915.2(MAMSTR):c.485C>G(p.Pro162Arg) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000683 in 1,611,182 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: 𝑓 0.000026 ( 0 hom., cov: 30)
Exomes 𝑓: 0.0000048 ( 0 hom. )

Consequence

MAMSTR
NM_001130915.2 missense

Scores

3
16

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.30
Variant links:
Genes affected
MAMSTR (HGNC:26689): (MEF2 activating motif and SAP domain containing transcriptional regulator) Predicted to enable transcription coregulator activity. Predicted to be involved in regulation of transcription by RNA polymerase II. Predicted to act upstream of or within positive regulation of myotube differentiation and positive regulation of transcription by RNA polymerase II. Predicted to be active in nucleus. [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 UniProt
MAMSTRNM_001130915.2 linkuse as main transcriptc.485C>G p.Pro162Arg missense_variant 6/10 ENST00000318083.11

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
MAMSTRENST00000318083.11 linkuse as main transcriptc.485C>G p.Pro162Arg missense_variant 6/102 NM_001130915.2 P2Q6ZN01-1
MAMSTRENST00000594582.1 linkuse as main transcriptc.176C>G p.Pro59Arg missense_variant 4/71 Q6ZN01-3
MAMSTRENST00000356751.8 linkuse as main transcriptc.176C>G p.Pro59Arg missense_variant 4/82 A2Q6ZN01-2
MAMSTRENST00000599703.1 linkuse as main transcriptc.635C>G p.Pro212Arg missense_variant 6/65

Frequencies

GnomAD3 genomes
AF:
0.0000264
AC:
4
AN:
151696
Hom.:
0
Cov.:
30
show subpopulations
Gnomad AFR
AF:
0.0000485
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000132
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
GnomAD3 exomes
AF:
0.00000813
AC:
2
AN:
245892
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
133342
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000295
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.0000575
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000480
AC:
7
AN:
1459372
Hom.:
0
Cov.:
33
AF XY:
0.00000413
AC XY:
3
AN XY:
726066
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000252
Gnomad4 SAS exome
AF:
0.0000116
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000180
Gnomad4 OTH exome
AF:
0.0000498
GnomAD4 genome
AF:
0.0000263
AC:
4
AN:
151810
Hom.:
0
Cov.:
30
AF XY:
0.0000135
AC XY:
1
AN XY:
74190
show subpopulations
Gnomad4 AFR
AF:
0.0000483
Gnomad4 AMR
AF:
0.000132
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
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 GeneticsNov 18, 2022The c.485C>G (p.P162R) alteration is located in exon 6 (coding exon 5) of the MAMSTR gene. This alteration results from a C to G substitution at nucleotide position 485, causing the proline (P) at amino acid position 162 to be replaced by an arginine (R). 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
0.16
BayesDel_addAF
Benign
-0.31
T
BayesDel_noAF
Benign
-0.50
Cadd
Pathogenic
27
Dann
Uncertain
1.0
DEOGEN2
Benign
0.052
T;.;.;.
Eigen
Benign
0.046
Eigen_PC
Benign
0.096
FATHMM_MKL
Benign
0.70
D
LIST_S2
Benign
0.73
T;T;T;T
M_CAP
Benign
0.0035
T
MetaRNN
Benign
0.18
T;T;T;T
MetaSVM
Benign
-1.1
T
MutationAssessor
Benign
1.6
L;.;.;.
MutationTaster
Benign
1.0
N;N;N;N
PrimateAI
Benign
0.38
T
PROVEAN
Benign
-2.2
N;D;.;.
REVEL
Benign
0.067
Sift
Uncertain
0.0060
D;D;.;.
Sift4G
Uncertain
0.012
D;D;D;.
Polyphen
0.72
P;.;.;.
Vest4
0.26
MutPred
0.29
Loss of glycosylation at P162 (P = 0.0069);.;.;.;
MVP
0.43
MPC
0.85
ClinPred
0.76
D
GERP RS
3.5
Varity_R
0.11
gMVP
0.15

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.21
Details are displayed if max score is > 0.2
DS_AG_spliceai
0.21
Position offset: 24

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: rs373516785; hg19: chr19-49218106; API