Genetic Variant NM_024642.5:c.-3C>A (chr9-98807696-C-A) – ACMG Classification: Benign (-8 pts)

Variant summary

Our verdict is Benign. The variant received -8 ACMG points: 0P and 8B. BP4_StrongBS2

The NM_024642.5(GALNT12):c.-3C>A variant causes a 5 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000877 in 1,140,390 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)

Exomes 𝑓: 0.0000081 ( 0 hom. )

Consequence

GALNT12
NM_024642.5 5_prime_UTR

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.750

Publications

0 publications found

Variant links:

Genes affected

GALNT12 (HGNC:19877): (polypeptide N-acetylgalactosaminyltransferase 12) This gene encodes a member of a family of UDP-GalNAc:polypeptide N-acetylgalactosaminyltransferases, which catalyze the transfer of N-acetylgalactosamine (GalNAc) from UDP-GalNAc to a serine or threonine residue on a polypeptide acceptor in the initial step of O-linked protein glycosylation. Mutations in this gene are associated with an increased susceptibility to colorectal cancer.[provided by RefSeq, Mar 2011]

GALNT12 Gene-Disease associations (from GenCC):

colorectal cancer, susceptibility to, 1
Inheritance: AD, Unknown Classification: LIMITED Submitted by: Labcorp Genetics (formerly Invitae), Ambry Genetics, ClinGen

GALNT12 links:

ENSG00000285706 (HGNC:):

ENSG00000285706 links:

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ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -8 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.49).

BS2

High AC in GnomAdExome4 at 8 AD gene.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_024642.5. 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
	GALNT12	NM_024642.5	MANE Select	c.-3C>A		5_prime_UTR	Exon 1 of 10	NP_078918.3

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	Effect	Exon Rank	Protein	UniProt
GALNT12	ENST00000375011.4	TSL:1 MANE Select	c.-3C>A	5_prime_UTR	Exon 1 of 10	ENSP00000364150.3	Q8IXK2-1
GALNT12	ENST00000969913.1		c.-3C>A	5_prime_UTR	Exon 1 of 11	ENSP00000639972.1
GALNT12	ENST00000969912.1		c.-3C>A	5_prime_UTR	Exon 1 of 11	ENSP00000639971.1

Frequencies

GnomAD3 genomes

AF:

0.0000133

AC:

AN:

150828

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000296

Gnomad OTH

AF:

0.00

GnomAD4 exome

AF:

0.00000808

AC:

AN:

989562

Hom.:

Cov.:

AF XY:

0.00000636

AC XY:

AN XY:

471990

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

19224

American (AMR)

AF:

0.00

AC:

AN:

5174

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

9834

East Asian (EAS)

AF:

0.00

AC:

AN:

15064

South Asian (SAS)

AF:

0.00

AC:

AN:

24050

European-Finnish (FIN)

AF:

0.00

AC:

AN:

13710

Middle Eastern (MID)

AF:

0.00

AC:

AN:

2372

European-Non Finnish (NFE)

AF:

0.00000926

AC:

AN:

864010

Other (OTH)

AF:

0.00

AC:

AN:

36124

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.0000133

AC:

AN:

150828

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

73624

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41272

American (AMR)

AF:

0.00

AC:

AN:

15164

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3452

East Asian (EAS)

AF:

0.00

AC:

AN:

5146

South Asian (SAS)

AF:

0.00

AC:

AN:

4818

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10044

Middle Eastern (MID)

AF:

0.00

AC:

AN:

314

European-Non Finnish (NFE)

AF:

0.0000296

AC:

AN:

67638

Other (OTH)

AF:

0.00

AC:

AN:

2072

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.500

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.0000712

Hom.:

Bravo

AF:

0.00000756

ClinVar

ClinVar submissions

Significance:Uncertain significance

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

not specified (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.49

CADD

Benign

(source)

DANN

Benign

0.81

PhyloP100

0.75

PromoterAI

-0.11

Neutral

(source)

Splicing

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over