1-85744780-T-A

Variant names:

• chr1-85744780-T-A
• NM_152890.7:c.4558A>T

Variant summary

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

The NM_152890.7(COL24A1):​c.4558A>T​(p.Thr1520Ser) variant causes a missense change involving the alteration of a conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency: Genomes: not found (cov: 23)
• Consequence: COL24A1 NM_152890.7 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 7.67
• Publications: 0 publications found

Genes affected

COL24A1 (HGNC:20821): (collagen type XXIV alpha 1 chain) This gene is a member of the collagen gene family and is thought to regulate type I collagen fibrillogenesis during fetal development. [provided by RefSeq, Mar 2017]

COL24A1 Gene-Disease associations (from GenCC):

• Tourette syndrome

  Inheritance: Unknown Classification: NO_KNOWN Submitted by: Labcorp Genetics (formerly Invitae)

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_152890.7. 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
	COL24A1	NM_152890.7	MANE Select	c.4558A>T	p.Thr1520Ser	missense	Exon 57 of 60	NP_690850.2	Q17RW2-1
	COL24A1	NM_001349955.1		c.2458A>T	p.Thr820Ser	missense	Exon 57 of 60	NP_001336884.1
	COL24A1	NR_146340.2		n.4707A>T		non_coding_transcript_exon	Exon 58 of 61

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	COL24A1	ENST00000370571.7	TSL:1 MANE Select	c.4558A>T	p.Thr1520Ser	missense	Exon 57 of 60	ENSP00000359603.2	Q17RW2-1
	COL24A1	ENST00000426639.5	TSL:5	n.*1945A>T		non_coding_transcript_exon	Exon 56 of 59	ENSP00000409515.1	F8WDM8
	COL24A1	ENST00000426639.5	TSL:5	n.*1945A>T		3_prime_UTR	Exon 56 of 59	ENSP00000409515.1	F8WDM8

Frequencies

GnomAD3 genomes Cov.: 23

GnomAD4 exome Cov.: 31

GnomAD4 genome Cov.: 23

ClinVar

ClinVar submissions

Significance: Uncertain significance

Revision: criteria provided, single submitter

Pathogenic	VUS	Benign	Condition
-	1	-	not specified (1)

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Uncertain	0.35
BayesDel_addAF	Pathogenic	0.18	D
BayesDel_noAF	Uncertain	0.010
CADD	Uncertain	24
DANN	Uncertain	0.99
DEOGEN2	Benign	0.080	T
Eigen	Uncertain	0.51
Eigen_PC	Uncertain	0.56
FATHMM_MKL	Pathogenic	0.99	D
LIST_S2	Benign	0.56	T
M_CAP	Benign	0.043	D
MetaRNN	Uncertain	0.54	D
MetaSVM	Uncertain	0.41	D
MutationAssessor	Benign	1.0	L
PhyloP100		7.7
PrimateAI	Uncertain	0.56	T
PROVEAN	Uncertain	-3.0	D
REVEL	Uncertain	0.58
Sift	Uncertain	0.0090	D
Sift4G	Uncertain	0.012	D
Polyphen		0.90	P
Vest4		0.57
MutPred		0.33		Loss of ubiquitination at K1519 (P = 0.0768)
MVP		0.60
MPC		0.24
ClinPred		0.95	D
GERP RS		5.5
Varity_R		0.29
gMVP		0.39
Mutation Taster		=82/18	polymorphism

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

hg19: chr1-86210463;