dbSNP rs755771107: TRIM21:p.Arg443Pro (chr11-4385385-C-G) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_003141.4(TRIM21):c.1328G>C(p.Arg443Pro) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,586 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R443Q) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

TRIM21
NM_003141.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.133

Publications

0 publications found

Variant links:

Genes affected

TRIM21 (HGNC:11312): (tripartite motif containing 21) This gene encodes a member of the tripartite motif (TRIM) family. The TRIM motif includes three zinc-binding domains, a RING, a B-box type 1 and a B-box type 2, and a coiled-coil region. The encoded protein is part of the RoSSA ribonucleoprotein, which includes a single polypeptide and one of four small RNA molecules. The RoSSA particle localizes to both the cytoplasm and the nucleus. RoSSA interacts with autoantigens in patients with Sjogren syndrome and systemic lupus erythematosus. Alternatively spliced transcript variants for this gene have been described but the full-length nature of only one has been determined. [provided by RefSeq, Jul 2008]

TRIM21 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
TRIM21	NM_003141.4 link	c.1328G>C	p.Arg443Pro	missense_variant	Exon 7 of 7	ENST00000254436.8	NP_003132.2	P19474-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
TRIM21	ENST00000254436.8 link	c.1328G>C	p.Arg443Pro	missense_variant	Exon 7 of 7	1	NM_003141.4	ENSP00000254436.7		P19474-1
TRIM21	ENST00000533692.1 link	c.217G>C	p.Gly73Arg	missense_variant	Exon 3 of 3	3		ENSP00000434053.1		H0YDP8

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461586

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

727052

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33478

American (AMR)

AF:

0.00

AC:

AN:

44716

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26132

East Asian (EAS)

AF:

0.00

AC:

AN:

39694

South Asian (SAS)

AF:

0.00

AC:

AN:

86230

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53398

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5738

European-Non Finnish (NFE)

AF:

8.99e-7

AC:

AN:

1111836

Other (OTH)

AF:

0.00

AC:

AN:

60364

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.425

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.97

BayesDel_addAF

Uncertain

0.13

BayesDel_noAF

Uncertain

-0.050

CADD

Benign

(source)

DANN

Uncertain

1.0

DEOGEN2

Uncertain

0.60

Eigen

Uncertain

0.51

Eigen_PC

Uncertain

0.35

FATHMM_MKL

Benign

0.59

LIST_S2

Uncertain

0.97

M_CAP

Benign

0.075

MetaRNN

Uncertain

0.73

MetaSVM

Uncertain

0.41

MutationAssessor

Pathogenic

4.1

PhyloP100

0.13

PrimateAI

Benign

0.45

PROVEAN

Uncertain

-3.5

REVEL

Uncertain

0.43

Sift

Benign

0.060

Sift4G

Benign

0.20

Polyphen

1.0

Vest4

0.36

MutPred

0.76

Gain of glycosylation at R443 (P = 0.0613);

MVP

0.89

MPC

0.36

ClinPred

0.99

GERP RS

4.3

Varity_R

0.85

gMVP

0.73

Mutation Taster

=44/56

disease causing

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over