NM_006235.3:c.739C>T

Variant names:

• chr11-111354293-G-A
• NM_006235.3:c.739C>T

Variant summary

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

The NM_006235.3(POU2AF1):​c.739C>T​(p.Leu247Phe) 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 1,461,880 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. L247V) has been classified as Uncertain significance.

• Frequency:
  • Genomes: not found (cov: 32)
  • Exomes 𝑓: 6.8e-7 (0 hom.)
• Consequence: POU2AF1 NM_006235.3 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 2.77
• Publications: 0 publications found

Genes affected

POU2AF1 (HGNC:9211): (POU class 2 homeobox associating factor 1) Enables transcription coactivator activity. Involved in positive regulation of transcription by RNA polymerase II. Part of RNA polymerase II transcription regulator complex. [provided by Alliance of Genome Resources, Apr 2022]

POU2AF1 Gene-Disease associations (from GenCC):

• agammaglobulinemia

  Inheritance: AR Classification: LIMITED Submitted by: ClinGen

ACMG classification

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

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

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_006235.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	POU2AF1	NM_006235.3	MANE Select	c.739C>T	p.Leu247Phe	missense	Exon 5 of 5	NP_006226.2	Q16633

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	POU2AF1	ENST00000393067.8	TSL:1 MANE Select	c.739C>T	p.Leu247Phe	missense	Exon 5 of 5	ENSP00000376786.3	Q16633
	POU2AF1	ENST00000525584.1	TSL:3	n.*244C>T		downstream_gene	N/A

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome AF: 6.84e-7 AC: 1 AN: 1461880 Hom.: 0 Cov.: 31 AF XY: 0.00 AC XY: 0 AN XY: 727242

African (AFR) AF: 0.00 AC: 0 AN: 33480

American (AMR) AF: 0.00 AC: 0 AN: 44720

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26132

East Asian (EAS) AF: 0.00 AC: 0 AN: 39700

South Asian (SAS) AF: 0.00 AC: 0 AN: 86256

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53418

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5768

European-Non Finnish (NFE) AF: 8.99e-7 AC: 1 AN: 1112010

Other (OTH) AF: 0.00 AC: 0 AN: 60396

GnomAD4 genome Cov.: 32

ClinVar

ClinVar submissions

Significance: Uncertain significance

Revision: criteria provided, single submitter

Pathogenic	VUS	Benign	Condition
-	1	-	not specified (1)

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.20
BayesDel_addAF	Benign	-0.076	T
BayesDel_noAF	Benign	-0.35
CADD	Uncertain	24
DANN	Uncertain	1.0
DEOGEN2	Benign	0.37	T
Eigen	Uncertain	0.52
Eigen_PC	Uncertain	0.52
FATHMM_MKL	Benign	0.62	D
LIST_S2	Uncertain	0.86	D
M_CAP	Benign	0.014	T
MetaRNN	Uncertain	0.55	D
MetaSVM	Benign	-0.86	T
MutationAssessor	Benign	0.90	L
PhyloP100		2.8
PrimateAI	Uncertain	0.50	T
PROVEAN	Benign	-2.3	N
REVEL	Benign	0.22
Sift	Uncertain	0.018	D
Sift4G	Uncertain	0.060	T
Polyphen		0.99	D
Vest4		0.39
MutPred		0.71		Gain of catalytic residue at L247 (P = 0.0535)
MVP		0.37
MPC		0.94
ClinPred		0.86	D
GERP RS		4.1
Varity_R		0.11
gMVP		0.42
Mutation Taster		=89/11	polymorphism

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

Other links and lift over

hg19: chr11-111225018;