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GeneBe

19-19569511-G-T

Variant summary

Our verdict is Likely pathogenic. Variant got 6 ACMG points: 6P and 0B. PM2PP3_Strong

The NM_025245.3(PBX4):c.706C>A(p.Pro236Thr) variant causes a missense change. The variant allele was found at a frequency of 0.00000868 in 1,613,792 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000066 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000027 ( 0 hom. )

Consequence

PBX4
NM_025245.3 missense

Scores

10
8
1

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 6.84
Variant links:
Genes affected
PBX4 (HGNC:13403): (PBX homeobox 4) This gene encodes a member of the pre-B cell leukemia transcription factor family. These proteins are homeobox proteins that play critical roles in embryonic development and cellular differentiation both as Hox cofactors and through Hox-independent pathways. The encoded protein contains a homeobox DNA-binding domain, but specific functions of the protein have not been determined. Alternatively spliced transcript variants have been observed for this gene. [provided by RefSeq, May 2011]

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ACMG classification

Classification made for transcript

Verdict is Likely_pathogenic. Variant got 6 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.943

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
PBX4NM_025245.3 linkuse as main transcriptc.706C>A p.Pro236Thr missense_variant 5/8 ENST00000251203.14

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
PBX4ENST00000251203.14 linkuse as main transcriptc.706C>A p.Pro236Thr missense_variant 5/81 NM_025245.3 P1
PBX4ENST00000557978.6 linkuse as main transcriptc.*264C>A 3_prime_UTR_variant, NMD_transcript_variant 5/81
PBX4ENST00000558222.1 linkuse as main transcriptc.*254C>A 3_prime_UTR_variant, NMD_transcript_variant 5/62

Frequencies

GnomAD3 genomes
AF:
0.0000657
AC:
10
AN:
152176
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000241
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.00000796
AC:
2
AN:
251204
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
135754
show subpopulations
Gnomad AFR exome
AF:
0.0000616
Gnomad AMR exome
AF:
0.00
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:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000274
AC:
4
AN:
1461616
Hom.:
0
Cov.:
30
AF XY:
0.00
AC XY:
0
AN XY:
727100
show subpopulations
Gnomad4 AFR exome
AF:
0.0000598
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000116
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
8.99e-7
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000657
AC:
10
AN:
152176
Hom.:
0
Cov.:
32
AF XY:
0.0000673
AC XY:
5
AN XY:
74334
show subpopulations
Gnomad4 AFR
AF:
0.000241
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000329
Hom.:
0
Bravo
AF:
0.0000340

ClinVar

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

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsJan 19, 2024The c.706C>A (p.P236T) alteration is located in exon 5 (coding exon 5) of the PBX4 gene. This alteration results from a C to A substitution at nucleotide position 706, causing the proline (P) at amino acid position 236 to be replaced by a threonine (T). 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
0.85
BayesDel_addAF
Pathogenic
0.16
D
BayesDel_noAF
Pathogenic
0.18
Cadd
Pathogenic
27
Dann
Uncertain
1.0
DEOGEN2
Pathogenic
0.88
D
Eigen
Uncertain
0.53
Eigen_PC
Uncertain
0.42
FATHMM_MKL
Uncertain
0.94
D
LIST_S2
Pathogenic
0.99
D
M_CAP
Uncertain
0.089
D
MetaRNN
Pathogenic
0.94
D
MetaSVM
Uncertain
0.43
D
MutationAssessor
Uncertain
2.6
M
MutationTaster
Benign
1.0
D
PrimateAI
Uncertain
0.73
T
PROVEAN
Pathogenic
-7.5
D
REVEL
Pathogenic
0.76
Sift
Pathogenic
0.0
D
Sift4G
Pathogenic
0.0
D
Polyphen
0.99
D
Vest4
0.84
MVP
0.91
MPC
0.69
ClinPred
1.0
D
GERP RS
2.5
Varity_R
0.86
gMVP
0.79

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: rs778805645; hg19: chr19-19680320; COSMIC: COSV52060541; COSMIC: COSV52060541; API