6-41806027-A-C

Variant summary

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

The NM_001286554.2(USP49):​c.957T>G​(p.Asn319Lys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. 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: not found (cov: 32)

Consequence

USP49
NM_001286554.2 missense

Scores

19

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.0760
Variant links:
Genes affected
USP49 (HGNC:20078): (ubiquitin specific peptidase 49) Enables cysteine-type endopeptidase activity; histone binding activity; and thiol-dependent deubiquitinase. Involved in histone H2B conserved C-terminal lysine deubiquitination and mRNA splicing, via spliceosome. Predicted to be located in nucleoplasm. Predicted to be active in cytoplasm. [provided by Alliance of Genome Resources, Apr 2022]

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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=0.027285308).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
USP49NM_001286554.2 linkuse as main transcriptc.957T>G p.Asn319Lys missense_variant 4/8 ENST00000682992.1 NP_001273483.1 Q70CQ1-1
USP49NM_001384542.1 linkuse as main transcriptc.957T>G p.Asn319Lys missense_variant 4/8 NP_001371471.1
USP49NM_018561.5 linkuse as main transcriptc.957T>G p.Asn319Lys missense_variant 4/7 NP_061031.2 Q70CQ1-2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
USP49ENST00000682992.1 linkuse as main transcriptc.957T>G p.Asn319Lys missense_variant 4/8 NM_001286554.2 ENSP00000507239.1 Q70CQ1-1
USP49ENST00000373010.5 linkuse as main transcriptc.957T>G p.Asn319Lys missense_variant 6/105 ENSP00000362101.1 Q5T3E1
ENSG00000288721ENST00000684631.1 linkuse as main transcriptn.*1115T>G non_coding_transcript_exon_variant 6/10 ENSP00000507261.1
ENSG00000288721ENST00000684631.1 linkuse as main transcriptn.*1115T>G 3_prime_UTR_variant 6/10 ENSP00000507261.1

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD3 exomes
AF:
0.00000399
AC:
1
AN:
250598
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
135762
show subpopulations
Gnomad AFR exome
AF:
0.0000632
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
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
Cov.:
37
GnomAD4 genome
Cov.:
32
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 GeneticsOct 05, 2022The c.957T>G (p.N319K) alteration is located in exon 4 (coding exon 1) of the USP49 gene. This alteration results from a T to G substitution at nucleotide position 957, causing the asparagine (N) at amino acid position 319 to be replaced by a lysine (K). 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
0.095
BayesDel_addAF
Benign
-0.51
T
BayesDel_noAF
Benign
-0.79
CADD
Benign
0.43
DANN
Benign
0.29
DEOGEN2
Benign
0.0067
T;.;.
Eigen
Benign
-1.1
Eigen_PC
Benign
-1.1
FATHMM_MKL
Benign
0.079
N
LIST_S2
Benign
0.50
T;T;T
M_CAP
Benign
0.0040
T
MetaRNN
Benign
0.027
T;T;T
MetaSVM
Benign
-0.91
T
MutationAssessor
Benign
-0.65
N;.;N
PrimateAI
Benign
0.34
T
PROVEAN
Benign
1.1
N;N;N
REVEL
Benign
0.024
Sift
Benign
1.0
T;T;T
Sift4G
Benign
1.0
T;T;T
Polyphen
0.0040
.;.;B
Vest4
0.11
MutPred
0.40
Gain of ubiquitination at N319 (P = 7e-04);Gain of ubiquitination at N319 (P = 7e-04);Gain of ubiquitination at N319 (P = 7e-04);
MVP
0.082
MPC
0.88
ClinPred
0.031
T
GERP RS
0.95
Varity_R
0.033
gMVP
0.13

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: rs778956931; hg19: chr6-41773765; API