19-12668580-A-G

Position:

• chr19-12668580-A-G

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_016145.4(WDR83OS):​c.194T>C​(p.Phe65Ser) variant causes a missense change involving the alteration of a conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency: Genomes: not found (cov: 32)
• Consequence: WDR83OS NM_016145.4 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 8.60

Genes affected

WDR83OS (HGNC:30203): (WD repeat domain 83 opposite strand) Enables protein folding chaperone. Involved in protein insertion into ER membrane. Is integral component of endoplasmic reticulum membrane. [provided by Alliance of Genome Resources, Apr 2022]

WDR83 (HGNC:32672): (WD repeat domain 83) This gene encodes a member of the WD-40 protein family. The protein is proposed to function as a molecular scaffold for various multimeric protein complexes. The protein associates with several components of the extracellular signal-regulated kinase (ERK) pathway, and promotes ERK activity in response to serum or other signals. The protein also interacts with egl nine homolog 3 (EGLN3, also known as PHD3) and regulates expression of hypoxia-inducible factor 1, and has been purified as part of the spliceosome. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Oct 2009]

ACMG classification

Verdict is Uncertain_significance. Variant got 2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
WDR83OS	NM_016145.4	c.194T>C	p.Phe65Ser	missense_variant	3/4	ENST00000596731.7
WDR83	NM_001099737.3	c.-84A>G		5_prime_UTR_variant	2/11	ENST00000418543.8
WDR83	NR_029375.2	n.259A>G		non_coding_transcript_exon_variant	2/11

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
WDR83OS	ENST00000596731.7	c.194T>C	p.Phe65Ser	missense_variant	3/4	1	NM_016145.4	P4
WDR83	ENST00000418543.8	c.-84A>G		5_prime_UTR_variant	2/11	1	NM_001099737.3	P1

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Cov.: 32

GnomAD4 genome Cov.: 32

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

Submissions by phenotype

not specified Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Jun 17, 2024

The c.194T>C (p.F65S) alteration is located in exon 3 (coding exon 3) of the WDR83OS gene. This alteration results from a T to C substitution at nucleotide position 194, causing the phenylalanine (F) at amino acid position 65 to be replaced by a serine (S). 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	Pathogenic	0.94
BayesDel_addAF	Pathogenic	0.26	D
BayesDel_noAF	Uncertain	0.13
CADD	Uncertain	24
DANN	Uncertain	0.99
DEOGEN2	Benign	0.030	T;T
Eigen	Benign	0.17
Eigen_PC	Uncertain	0.35
FATHMM_MKL	Uncertain	0.85	D
LIST_S2	Uncertain	0.92	D;D
M_CAP	Benign	0.029	D
MetaRNN	Uncertain	0.51	D;D
MetaSVM	Benign	-0.83	T
MutationAssessor	Benign	1.9	L;.
MutationTaster	Benign	1.0	D;D
PrimateAI	Pathogenic	0.90	D
REVEL	Uncertain	0.34
Sift4G	Benign	0.19	T;D
Polyphen		0.034	B;.
Vest4		0.73
MutPred		0.46		Gain of disorder (P = 0.0073);.;
MVP		0.24
MPC		0.57
ClinPred		0.89	D
GERP RS		5.6
RBP_binding_hub_radar		0.0
RBP_regulation_power_radar		2.8
Varity_R		0.40
gMVP		0.89

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

No publications associated with this variant yet.

Other links and lift over

hg19: chr19-12779394;