chr5-146339212-G-C

Position:

• chr5-146339212-G-C

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2 BP4_Moderate

The NM_002700.3(POU4F3):​c.100G>C​(p.Val34Leu) variant causes a missense change involving the alteration of a conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency: Genomes: not found (cov: 33)
• Consequence: POU4F3 NM_002700.3 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 9.69

Genes affected

POU4F3 (HGNC:9220): (POU class 4 homeobox 3) This gene encodes a member of the POU-domain family of transcription factors. POU-domain proteins have been observed to play important roles in control of cell identity in several systems. This protein is found in the retina and may play a role in determining or maintaining the identities of a small subset of visual system neurons. Defects in this gene are the cause of non-syndromic sensorineural deafness autosomal dominant type 15. [provided by RefSeq, Mar 2009]

LOC127814297 (HGNC:):

ACMG classification

Verdict is Uncertain_significance. Variant got 0 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.1843262).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
POU4F3	NM_002700.3	c.100G>C	p.Val34Leu	missense_variant	1/2	ENST00000646991.2
LOC127814297	NM_001414499.1	c.2933G>C	p.Ser978Thr	missense_variant	19/20

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
POU4F3	ENST00000646991.2	c.100G>C	p.Val34Leu	missense_variant	1/2		NM_002700.3	P1
	ENST00000515598.1	n.404-31936C>G		intron_variant, non_coding_transcript_variant		3

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD4 exome Cov.: 31

GnomAD4 genome Cov.: 33

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

Submissions by phenotype

Inborn genetic diseases Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Jan 02, 2024

The c.100G>C (p.V34L) alteration is located in exon 1 (coding exon 1) of the POU4F3 gene. This alteration results from a G to C substitution at nucleotide position 100, causing the valine (V) at amino acid position 34 to be replaced by a leucine (L). 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	0.22
BayesDel_addAF	Uncertain	0.045	T
BayesDel_noAF	Benign	-0.47
CADD	Benign	23
DANN	Uncertain	0.98
Eigen	Benign	-0.032
Eigen_PC	Benign	0.13
FATHMM_MKL	Uncertain	0.95	D
LIST_S2	Benign	0.17	T
M_CAP	Benign	0.015	T
MetaRNN	Benign	0.18	T
MutationTaster	Benign	1.0	D
Vest4		0.36
MVP		0.11
ClinPred		0.67	D
GERP RS		3.8

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

No publications associated with this variant yet.

Other links and lift over

hg19: chr5-145718775;