rs377021545

Variant summary

Our verdict is Benign. Variant got -7 ACMG points: 0P and 7B. BP4_ModerateBS1_SupportingBS2

The NM_030930.4(UNC93B1):​c.1210C>T​(p.Pro404Ser) variant causes a missense change. The variant allele was found at a frequency of 0.000873 in 1,548,328 control chromosomes in the GnomAD database, including 2 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00057 ( 0 hom., cov: 29)
Exomes 𝑓: 0.00091 ( 2 hom. )

Consequence

UNC93B1
NM_030930.4 missense

Scores

1
5
11

Clinical Significance

Uncertain significance criteria provided, single submitter U:1O:1

Conservation

PhyloP100: 4.37
Variant links:
Genes affected
UNC93B1 (HGNC:13481): (unc-93 homolog B1, TLR signaling regulator) This gene encodes a protein that is involved in innate and adaptive immune response by regulating toll-like receptor signaling. The encoded protein traffics nucleotide sensing toll-like receptors to the endolysosome from the endoplasmic reticulum. Deficiency of the encoded protein has been associated with herpes simplex encephalitis. [provided by RefSeq, Feb 2014]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -7 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.09749627).
BS1
Variant frequency is greater than expected in population nfe. gnomad4 allele frequency = 0.000572 (87/152122) while in subpopulation NFE AF= 0.00105 (71/67942). AF 95% confidence interval is 0.000849. There are 0 homozygotes in gnomad4. There are 31 alleles in male gnomad4 subpopulation. Median coverage is 29. This position pass quality control queck. Existence of Clinvar submissions makes me limit the strength of this signal to Supporting
BS2
High Homozygotes in GnomAdExome4 at 2 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
UNC93B1NM_030930.4 linkc.1210C>T p.Pro404Ser missense_variant Exon 9 of 11 ENST00000227471.7 NP_112192.2 Q9H1C4
UNC93B1XM_011545290.1 linkc.799C>T p.Pro267Ser missense_variant Exon 7 of 9 XP_011543592.1
UNC93B1XM_011545291.3 linkc.655C>T p.Pro219Ser missense_variant Exon 6 of 8 XP_011543593.1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
UNC93B1ENST00000227471.7 linkc.1210C>T p.Pro404Ser missense_variant Exon 9 of 11 1 NM_030930.4 ENSP00000227471.3 Q9H1C4
UNC93B1ENST00000525368.1 linkn.217C>T non_coding_transcript_exon_variant Exon 1 of 3 2

Frequencies

GnomAD3 genomes
AF:
0.000572
AC:
87
AN:
152004
Hom.:
0
Cov.:
29
show subpopulations
Gnomad AFR
AF:
0.000121
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000458
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.0000941
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00104
Gnomad OTH
AF:
0.00144
GnomAD3 exomes
AF:
0.000564
AC:
85
AN:
150598
Hom.:
0
AF XY:
0.000593
AC XY:
48
AN XY:
80906
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.000366
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.000122
Gnomad NFE exome
AF:
0.00124
Gnomad OTH exome
AF:
0.000929
GnomAD4 exome
AF:
0.000905
AC:
1264
AN:
1396206
Hom.:
2
Cov.:
36
AF XY:
0.000874
AC XY:
602
AN XY:
688704
show subpopulations
Gnomad4 AFR exome
AF:
0.000254
Gnomad4 AMR exome
AF:
0.000476
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.000291
Gnomad4 NFE exome
AF:
0.00110
Gnomad4 OTH exome
AF:
0.000606
GnomAD4 genome
AF:
0.000572
AC:
87
AN:
152122
Hom.:
0
Cov.:
29
AF XY:
0.000417
AC XY:
31
AN XY:
74376
show subpopulations
Gnomad4 AFR
AF:
0.000120
Gnomad4 AMR
AF:
0.000457
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.0000941
Gnomad4 NFE
AF:
0.00105
Gnomad4 OTH
AF:
0.00142
Alfa
AF:
0.000813
Hom.:
0
Bravo
AF:
0.000601
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.00133
AC:
10
ExAC
AF:
0.000269
AC:
23

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1Other:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Herpes simplex encephalitis, susceptibility to, 1 Uncertain:1Other:1
-
GenomeConnect - Invitae Patient Insights Network
Significance: not provided
Review Status: no classification provided
Collection Method: phenotyping only

Variant interpreted as Uncertain significance and reported on 02-15-2019 by Invitae. GenomeConnect-Invitae Patient Insights Network assertions are reported exactly as they appear on the patient-provided report from the testing laboratory. Registry team members make no attempt to reinterpret the clinical significance of the variant. Phenotypic details are available under supporting information. -

Aug 16, 2022
Labcorp Genetics (formerly Invitae), Labcorp
Significance: Uncertain significance
Review Status: criteria provided, single submitter
Collection Method: clinical testing

This sequence change replaces proline, which is neutral and non-polar, with serine, which is neutral and polar, at codon 404 of the UNC93B1 protein (p.Pro404Ser). This variant is present in population databases (rs377021545, gnomAD 0.1%), and has an allele count higher than expected for a pathogenic variant. This variant has not been reported in the literature in individuals affected with UNC93B1-related conditions. ClinVar contains an entry for this variant (Variation ID: 537922). In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.22
BayesDel_addAF
Benign
-0.29
T
BayesDel_noAF
Benign
-0.22
CADD
Uncertain
24
DANN
Pathogenic
1.0
DEOGEN2
Benign
0.19
T
Eigen
Uncertain
0.45
Eigen_PC
Uncertain
0.50
FATHMM_MKL
Uncertain
0.89
D
LIST_S2
Benign
0.84
T
M_CAP
Benign
0.025
D
MetaRNN
Benign
0.097
T
MetaSVM
Benign
-1.1
T
MutationAssessor
Uncertain
2.5
M
PrimateAI
Uncertain
0.60
T
REVEL
Benign
0.13
Sift4G
Benign
0.36
T
Polyphen
0.99
D
Vest4
0.45
MVP
0.082
MPC
1.2
ClinPred
0.23
T
GERP RS
5.4
Varity_R
0.10
gMVP
0.49

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: rs377021545; hg19: chr11-67763235; COSMIC: COSV105846693; COSMIC: COSV105846693; API