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GeneBe

16-68324774-C-T

Variant summary

Our verdict is Likely pathogenic. Variant got 6 ACMG points: 6P and 0B. PM2PP3_ModeratePP5_Moderate

The NM_019023.5(PRMT7):c.224C>T(p.Thr75Met) variant causes a missense change. The variant allele was found at a frequency of 0.0000254 in 1,613,916 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. 12/21 in silico tools predict a damaging outcome for this variant. Variant has been reported in ClinVar as Likely pathogenic (★).

Frequency

Genomes: 𝑓 0.000026 ( 0 hom., cov: 33)
Exomes 𝑓: 0.000025 ( 0 hom. )

Consequence

PRMT7
NM_019023.5 missense

Scores

12
3
1

Clinical Significance

Likely pathogenic criteria provided, single submitter P:1

Conservation

PhyloP100: 6.09
Variant links:
Genes affected
PRMT7 (HGNC:25557): (protein arginine methyltransferase 7) This gene encodes a member of the protein arginine N-methyltransferase family of proteins. The encoded enzyme transfers single methyl groups to arginine residues to generate monomethylarginines on histone proteins as well as other protein substrates. This enzyme plays a role in a wide range of biological processes, including neuronal differentiation, male germ line imprinting, small nuclear ribonucleoprotein biogenesis, and regulation of the Wnt signaling pathway. Mutations in this gene underlie multiple related syndromes in human patients characterized by intellectual disability, short stature and other features. The encoded protein may promote breast cancer cell invasion and metastasis in human patients. [provided by RefSeq, May 2017]

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ACMG classification

Classification made for transcript

Verdict is Likely_pathogenic. Variant got 6 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.904
PP5
Variant 16-68324774-C-T is Pathogenic according to our data. Variant chr16-68324774-C-T is described in ClinVar as [Likely_pathogenic]. Clinvar id is 1329859.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
PRMT7NM_019023.5 linkuse as main transcriptc.224C>T p.Thr75Met missense_variant 5/19 ENST00000441236.3

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
PRMT7ENST00000441236.3 linkuse as main transcriptc.224C>T p.Thr75Met missense_variant 5/191 NM_019023.5 P1Q9NVM4-1

Frequencies

GnomAD3 genomes
AF:
0.0000263
AC:
4
AN:
152264
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000241
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:
0.0000441
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.00000398
AC:
1
AN:
251166
Hom.:
0
AF XY:
0.00000737
AC XY:
1
AN XY:
135772
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.0000544
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:
0.0000253
AC:
37
AN:
1461652
Hom.:
0
Cov.:
31
AF XY:
0.0000261
AC XY:
19
AN XY:
727132
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000224
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000504
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000279
Gnomad4 OTH exome
AF:
0.0000497
GnomAD4 genome
AF:
0.0000263
AC:
4
AN:
152264
Hom.:
0
Cov.:
33
AF XY:
0.0000134
AC XY:
1
AN XY:
74396
show subpopulations
Gnomad4 AFR
AF:
0.0000241
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000441
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000227
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000116
AC:
1
EpiCase
AF:
0.0000545
EpiControl
AF:
0.00

ClinVar

Significance: Likely pathogenic
Submissions summary: Pathogenic:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Epileptic encephalopathy Pathogenic:1
Likely pathogenic, criteria provided, single submitterclinical testingGénétique des Maladies du Développement, Hospices Civils de LyonJun 12, 2020- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.86
BayesDel_addAF
Pathogenic
0.30
D
BayesDel_noAF
Pathogenic
0.36
Cadd
Pathogenic
33
Dann
Pathogenic
1.0
Eigen
Pathogenic
0.98
Eigen_PC
Pathogenic
0.91
FATHMM_MKL
Uncertain
0.94
D
LIST_S2
Pathogenic
1.0
D;D;D;.;D
M_CAP
Pathogenic
0.39
D
MetaRNN
Pathogenic
0.90
D;D;D;D;D
MetaSVM
Uncertain
0.70
D
MutationTaster
Benign
1.0
D;D;D;D
PrimateAI
Uncertain
0.71
T
PROVEAN
Pathogenic
-5.6
D;D;.;D;.
Sift
Pathogenic
0.0
D;D;.;D;.
Sift4G
Pathogenic
0.0
D;D;D;D;D
Polyphen
1.0
.;.;.;D;D
Vest4
0.94, 0.94
MVP
0.90
MPC
0.77
ClinPred
0.98
D
GERP RS
5.5
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.2
Varity_R
0.76
gMVP
0.90

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: rs371698853; hg19: chr16-68358677; API