DBX2 p.Arg267Arg

Variant names:

• chr12-45016504-A-A
• NM_001004329.3:c.

Your query was ambiguous. Multiple possible variants found:

• chr12-45016505--
• chr12-45016505-C-A
• chr12-45016505-C-G
• chr12-45016505-C-T
• chr12-45016507-G-T
• chr12-45016505-CCG-TCT

Variant summary

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

The NM_001004329.3(DBX2):​c. variant causes a exon region change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency: Genomes: not found (cov: 32)
• Consequence: DBX2 NM_001004329.3 exon_region
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -0.773
• Publications: 0 publications found

Genes affected

DBX2 (HGNC:33186): (developing brain homeobox 2) Predicted to enable DNA-binding transcription factor activity, RNA polymerase II-specific. Predicted to be involved in regulation of transcription by RNA polymerase II. Predicted to be located in nucleus. Predicted to be part of chromatin. [provided by Alliance of Genome Resources, Apr 2022]

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_001004329.3. 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
	DBX2	NM_001004329.3	MANE Select	c.		exon_region	Exon 4 of 4	NP_001004329.2	Q6ZNG2

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	DBX2	ENST00000332700.6	TSL:2 MANE Select	c.		exon_region	Exon 4 of 4	ENSP00000331470.6	Q6ZNG2

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Cov.: 33

GnomAD4 genome Cov.: 32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
PhyloP100		-0.77

Splicing

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

MaxEntScan Visualizer can be used to analyze the impact of this mutation on the neighboring sequence.

Other links and lift over

hg19: chr12-45410287;