12-62692811-A-T

Position:

• chr12-62692811-A-T

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2 BP4_Strong

The NM_020700.2(PPM1H):​c.1137+1125T>A variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency: Genomes: not found (cov: 32)
• Consequence: PPM1H NM_020700.2 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -0.996

Genes affected

PPM1H (HGNC:18583): (protein phosphatase, Mg2+/Mn2+ dependent 1H) Enables identical protein binding activity and phosphoprotein phosphatase activity. Predicted to be involved in protein dephosphorylation. Located in cytoplasm and nucleoplasm. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Verdict is Likely_benign. Variant got -2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.91).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
PPM1H	NM_020700.2	c.1137+1125T>A		intron_variant		ENST00000228705.7
PPM1H	XM_011538578.3	c.1023+1125T>A		intron_variant
PPM1H	XM_017019676.3	c.1137+1125T>A		intron_variant

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
PPM1H	ENST00000228705.7	c.1137+1125T>A		intron_variant		1	NM_020700.2	P1
PPM1H	ENST00000551214.5	n.539+1125T>A		intron_variant, non_coding_transcript_variant		3
PPM1H	ENST00000551519.1	n.527+1125T>A		intron_variant, non_coding_transcript_variant		4

Frequencies

GnomAD3 genomes Cov.: 32

We have no GnomAD4 exomes data on this position. Probably position not covered by the project.

GnomAD4 genome Cov.: 32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.91
CADD	Benign	0.66
DANN	Benign	0.70

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

LitVar

Other links and lift over

dbSNP: rs342169; hg19: chr12-63086591;