NM_032581.4:c.832-9delT

Variant names:

• chr7-22960423-GA-G
• rs1554269900
• NM_032581.4:c.832-9delT

Variant summary

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

The NM_032581.4(HYCC1):​c.832-9delT variant causes a intron 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: HYCC1 NM_032581.4 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -0.0720
• Publications: 0 publications found

Genes affected

HYCC1 (HGNC:24587): (hyccin PI4KA lipid kinase complex subunit 1) The protein encoded by this gene may play a part in the beta-catenin/Lef signaling pathway. Expression of this gene is down-regulated by beta-catenin. Defects in this gene are a cause of hypomyelination with congenital cataract (HCC). [provided by RefSeq, Oct 2008]

HYCC1 Gene-Disease associations (from GenCC):

• hypomyelinating leukodystrophy 5

  Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Labcorp Genetics (formerly Invitae), ClinGen, G2P, Orphanet

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_032581.4. 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
	HYCC1	NM_032581.4	MANE Select	c.832-9delT		intron	N/A	NP_115970.2
	HYCC1	NM_001363466.2		c.832-9delT		intron	N/A	NP_001350395.1	Q9BYI3-3
	HYCC1	NM_001363467.2		c.832-9delT		intron	N/A	NP_001350396.1

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	HYCC1	ENST00000432176.7	TSL:1 MANE Select	c.832-9delT		intron	N/A	ENSP00000403396.2	Q9BYI3-1
	HYCC1	ENST00000440481.6	TSL:1	c.400-9delT		intron	N/A	ENSP00000397168.2	H7C0W7
	HYCC1	ENST00000905181.1		c.832-9delT		intron	N/A	ENSP00000575240.1

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Cov.: 29

GnomAD4 genome Cov.: 32

Alfa AF: 0.00 Hom.: 0

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
PhyloP100		-0.072

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

dbSNP: rs1554269900; hg19: chr7-23000042;