17-35148293-G-A

Variant summary

Our verdict is Benign. Variant got -21 ACMG points: 0P and 21B. BP4_StrongBP6_Very_StrongBP7BS1BS2

The NM_001267052.2(UNC45B):​c.30G>A​(p.Lys10=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000944 in 1,614,162 control chromosomes in the GnomAD database, including 12 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.0053 ( 3 hom., cov: 32)
Exomes 𝑓: 0.00049 ( 9 hom. )

Consequence

UNC45B
NM_001267052.2 synonymous

Scores

2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:3

Conservation

PhyloP100: 1.80
Variant links:
Genes affected
UNC45B (HGNC:14304): (unc-45 myosin chaperone B) This gene encodes a co-chaperone required for folding and accumulation of type II myosins. The protein consists of three tetratricopeptide repeat motifs at the N-terminus that form a complex with heat shock protein 90, a central region of unknown function that is conserved in all Unc-45 proteins, and a C-terminal Unc-45/Cro1/She4 domain. The protein is expressed at high levels in striated muscle, where its muscle myosin chaperone activity is dependent on heat shock protein 90 acting as a co-chaperone. A missense mutation in this gene has been associated with cataract development. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Apr 2015]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -21 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.48).
BP6
Variant 17-35148293-G-A is Benign according to our data. Variant chr17-35148293-G-A is described in ClinVar as [Benign]. Clinvar id is 716485.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BP7
Synonymous conserved (PhyloP=1.8 with no splicing effect.
BS1
Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.00533 (812/152308) while in subpopulation AFR AF= 0.0184 (766/41560). AF 95% confidence interval is 0.0173. There are 3 homozygotes in gnomad4. There are 388 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.
BS2
High AC in GnomAd4 at 812 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
UNC45BNM_001267052.2 linkuse as main transcriptc.30G>A p.Lys10= synonymous_variant 2/20 ENST00000394570.7

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
UNC45BENST00000394570.7 linkuse as main transcriptc.30G>A p.Lys10= synonymous_variant 2/201 NM_001267052.2 P4Q8IWX7-3
UNC45BENST00000591048.2 linkuse as main transcriptc.30G>A p.Lys10= synonymous_variant 1/171 Q8IWX7-2
UNC45BENST00000268876.9 linkuse as main transcriptc.30G>A p.Lys10= synonymous_variant 2/205 A1Q8IWX7-1

Frequencies

GnomAD3 genomes
AF:
0.00532
AC:
810
AN:
152190
Hom.:
3
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0184
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00223
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000207
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00316
Gnomad NFE
AF:
0.0000147
Gnomad OTH
AF:
0.00431
GnomAD3 exomes
AF:
0.00132
AC:
333
AN:
251328
Hom.:
3
AF XY:
0.000920
AC XY:
125
AN XY:
135848
show subpopulations
Gnomad AFR exome
AF:
0.0188
Gnomad AMR exome
AF:
0.000723
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:
0.00000880
Gnomad OTH exome
AF:
0.000163
GnomAD4 exome
AF:
0.000486
AC:
711
AN:
1461854
Hom.:
9
Cov.:
31
AF XY:
0.000447
AC XY:
325
AN XY:
727232
show subpopulations
Gnomad4 AFR exome
AF:
0.0170
Gnomad4 AMR exome
AF:
0.000850
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:
0.0000108
Gnomad4 OTH exome
AF:
0.00132
GnomAD4 genome
AF:
0.00533
AC:
812
AN:
152308
Hom.:
3
Cov.:
32
AF XY:
0.00521
AC XY:
388
AN XY:
74488
show subpopulations
Gnomad4 AFR
AF:
0.0184
Gnomad4 AMR
AF:
0.00222
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000207
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000147
Gnomad4 OTH
AF:
0.00426
Alfa
AF:
0.00226
Hom.:
0
Bravo
AF:
0.00574
Asia WGS
AF:
0.00144
AC:
5
AN:
3478
EpiCase
AF:
0.0000545
EpiControl
AF:
0.00

ClinVar

Significance: Benign
Submissions summary: Benign:3
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:3
Benign, criteria provided, single submitternot providedBreakthrough Genomics, Breakthrough Genomics-- -
Benign, criteria provided, single submitterclinical testingGeneDxJun 23, 2021- -
Benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpJul 17, 2023- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.48
CADD
Benign
12
DANN
Benign
0.59

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.010
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: rs73989547; hg19: chr17-33475312; API