NM_018318.5:c.655-9822G>A

Variant names:

• chr12-28381482-G-A
• rs2638953
• NM_018318.5:c.655-9822G>A

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2 BP4_Strong

The NM_018318.5(CCDC91):​c.655-9822G>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: 31)
• Consequence: CCDC91 NM_018318.5 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -0.927
• Publications: 44 publications found

Genes affected

CCDC91 (HGNC:24855): (coiled-coil domain containing 91) Predicted to enable identical protein binding activity. Involved in Golgi to lysosome transport. Located in nucleoplasm and trans-Golgi network. [provided by Alliance of Genome Resources, Apr 2022]

CCDC91 Gene-Disease associations (from GenCC):

• autism spectrum disorder

  Inheritance: AD Classification: LIMITED Submitted by: Ambry Genetics
• punctate palmoplantar keratoderma

  Inheritance: AD Classification: LIMITED Submitted by: G2P

ACMG classification

Our verdict: Likely_benign. The variant received -2 ACMG points.

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

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_018318.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	CCDC91	NM_018318.5	MANE Select	c.655-9822G>A		intron	N/A	NP_060788.3
	CCDC91	NM_001352078.2		c.655-9822G>A		intron	N/A	NP_001339007.1
	CCDC91	NM_001352079.2		c.655-9822G>A		intron	N/A	NP_001339008.1

Ensembl Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	CCDC91	ENST00000536442.6	TSL:5 MANE Select	c.655-9822G>A		intron	N/A	ENSP00000445660.2
	CCDC91	ENST00000381259.5	TSL:1	c.655-9822G>A		intron	N/A	ENSP00000370658.1
	CCDC91	ENST00000540401.5	TSL:1	n.747-9822G>A		intron	N/A

Frequencies

GnomAD3 genomes Cov.: 31

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

GnomAD4 genome Cov.: 31

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.91
CADD	Benign	0.19
DANN	Benign	0.30
PhyloP100		-0.93

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: rs2638953; hg19: chr12-28534415;