1-155659934-A-T

Position:

• chr1-155659934-A-T

Variant summary

Our verdict is Likely pathogenic. Variant got 7 ACMG points: 7P and 0B. PVS1_Strong PM2 PP5

The NM_139119.3(YY1AP1):​c.1976T>A​(p.Leu659Ter) variant causes a stop gained change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Pathogenic (no stars).

• Frequency: Genomes: not found (cov: 32)
• Consequence: YY1AP1 NM_139119.3 stop_gained
• Clinical Significance: Pathogenic no assertion criteria provided P:2
• Conservation: PhyloP100: -0.109

Genes affected

YY1AP1 (HGNC:30935): (YY1 associated protein 1) Predicted to enable transcription coregulator activity. Involved in cell differentiation; cell population proliferation; and regulation of cell cycle. Located in fibrillar center and nucleoplasm. Colocalizes with Ino80 complex. [provided by Alliance of Genome Resources, Apr 2022]

(HGNC:):

ACMG classification

Verdict is Likely_pathogenic. Variant got 7 ACMG points.

• PVS1: Loss of function variant, product does not undergo nonsense mediated mRNA decay. Variant is located in the 3'-most exon, not predicted to undergo nonsense mediated mRNA decay. Fraction of 0.123 CDS is truncated, and there are 0 pathogenic variants in the truncated region.
• PM2: Very rare variant in population databases, with high coverage
• PP5: Variant 1-155659934-A-T is Pathogenic according to our data. Variant chr1-155659934-A-T is described in ClinVar as [Pathogenic]. Clinvar id is 375639.Status of the report is no_assertion_criteria_provided, 0 stars.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
YY1AP1	NM_139119.3	c.1976T>A	p.Leu659Ter	stop_gained	11/11	ENST00000355499.9	NP_620830.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
YY1AP1	ENST00000355499.9	c.1976T>A	p.Leu659Ter	stop_gained	11/11	1	NM_139119.3	ENSP00000347686	A2
	ENST00000500626.2	n.312T>A		non_coding_transcript_exon_variant	1/9

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Cov.: 30

GnomAD4 genome Cov.: 32

ClinVar

Significance: Pathogenic

Submissions summary: Pathogenic:2

Revision: no assertion criteria provided

Submissions by phenotype

Grange syndrome Pathogenic:2

Pathogenic, no assertion criteria provided	research	University of Washington Center for Mendelian Genomics, University of Washington	-	- -
Pathogenic, no assertion criteria provided	literature only	OMIM	Feb 14, 2017	- -

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_addAF	Pathogenic	0.58	D
BayesDel_noAF	Pathogenic	0.44
CADD	Pathogenic	33
DANN	Uncertain	0.98
Eigen	Benign	0.15
Eigen_PC	Benign	-0.14
FATHMM_MKL	Benign	0.25	N
MutationTaster	Benign	1.0	D;D;D;D;D;D;D;D;D;D;D;D;D;D
Vest4		0.41
GERP RS		1.4

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

Other links and lift over

dbSNP: rs1057519597; hg19: chr1-155629725;