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GeneBe

18-50800056-T-C

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_031939.6(MRO):c.673A>G(p.Thr225Ala) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000285 in 1,613,232 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000092 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000022 ( 0 hom. )

Consequence

MRO
NM_031939.6 missense

Scores

18

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.716
Variant links:
Genes affected
MRO (HGNC:24121): (maestro) This gene is specifically transcribed in males before and after differentiation of testis, and the encoded protein may play an important role in a mammalian sex determination. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2008]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.023124754).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
MRONM_031939.6 linkuse as main transcriptc.673A>G p.Thr225Ala missense_variant 7/8 ENST00000398439.8

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
MROENST00000398439.8 linkuse as main transcriptc.673A>G p.Thr225Ala missense_variant 7/81 NM_031939.6 P1Q9BYG7-1

Frequencies

GnomAD3 genomes
AF:
0.0000920
AC:
14
AN:
152232
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000169
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000131
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:
0.0000294
Gnomad OTH
AF:
0.00143
GnomAD3 exomes
AF:
0.0000398
AC:
10
AN:
251190
Hom.:
0
AF XY:
0.0000147
AC XY:
2
AN XY:
135758
show subpopulations
Gnomad AFR exome
AF:
0.000308
Gnomad AMR exome
AF:
0.0000289
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:
0.0000176
Gnomad OTH exome
AF:
0.000163
GnomAD4 exome
AF:
0.0000219
AC:
32
AN:
1461000
Hom.:
0
Cov.:
30
AF XY:
0.0000138
AC XY:
10
AN XY:
726850
show subpopulations
Gnomad4 AFR exome
AF:
0.000179
Gnomad4 AMR exome
AF:
0.0000671
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000232
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000990
Gnomad4 OTH exome
AF:
0.000133
GnomAD4 genome
AF:
0.0000920
AC:
14
AN:
152232
Hom.:
0
Cov.:
32
AF XY:
0.0000941
AC XY:
7
AN XY:
74364
show subpopulations
Gnomad4 AFR
AF:
0.000169
Gnomad4 AMR
AF:
0.000131
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000294
Gnomad4 OTH
AF:
0.00143
Alfa
AF:
0.0000515
Hom.:
1
Bravo
AF:
0.000106
ESP6500AA
AF:
0.000227
AC:
1
ESP6500EA
AF:
0.000116
AC:
1
ExAC
AF:
0.0000412
AC:
5
EpiCase
AF:
0.000109
EpiControl
AF:
0.00

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 GeneticsJan 05, 2022The c.715A>G (p.T239A) alteration is located in exon 6 (coding exon 6) of the MRO gene. This alteration results from a A to G substitution at nucleotide position 715, causing the threonine (T) at amino acid position 239 to be replaced by an alanine (A). 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
0.065
BayesDel_addAF
Benign
-0.57
T
BayesDel_noAF
Benign
-0.75
Cadd
Benign
16
Dann
Benign
0.84
DEOGEN2
Benign
0.0036
T;T;T;.;.;.;T;.
Eigen
Benign
-0.69
Eigen_PC
Benign
-0.54
FATHMM_MKL
Benign
0.51
D
M_CAP
Benign
0.0040
T
MetaRNN
Benign
0.023
T;T;T;T;T;T;T;T
MetaSVM
Benign
-0.95
T
MutationAssessor
Benign
0.0
N;N;N;.;.;.;N;.
MutationTaster
Benign
1.0
N;N;N;N;N;N
PrimateAI
Benign
0.29
T
PROVEAN
Benign
-1.3
N;.;.;N;.;N;N;.
REVEL
Benign
0.018
Sift
Benign
0.59
T;.;.;T;.;T;T;.
Sift4G
Benign
0.47
T;T;T;T;T;T;T;T
Polyphen
0.0050
B;B;B;.;.;.;B;.
Vest4
0.29
MVP
0.055
MPC
0.018
ClinPred
0.011
T
GERP RS
3.0
Varity_R
0.047
gMVP
0.11

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.020
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: rs200069733; hg19: chr18-48326426; API