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rs767339128

Variant summary

Our verdict is Likely benign. Variant got -5 ACMG points: 0P and 5B. BP4_ModerateBP6_ModerateBP7

The NM_004370.6(COL12A1):​c.8841G>A​(p.Pro2947=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000849 in 1,614,030 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 Likely benign (★).

Frequency

Genomes: 𝑓 0.000059 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000088 ( 0 hom. )

Consequence

COL12A1
NM_004370.6 synonymous

Scores

2

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: -0.368
Variant links:
Genes affected
COL12A1 (HGNC:2188): (collagen type XII alpha 1 chain) This gene encodes the alpha chain of type XII collagen, a member of the FACIT (fibril-associated collagens with interrupted triple helices) collagen family. Type XII collagen is a homotrimer found in association with type I collagen, an association that is thought to modify the interactions between collagen I fibrils and the surrounding matrix. Alternatively spliced transcript variants encoding different isoforms have been identified. [provided by RefSeq, Jul 2008]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -5 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.42).
BP6
Variant 6-75090210-C-T is Benign according to our data. Variant chr6-75090210-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 475906.Status of the report is criteria_provided_single_submitter, 1 stars.
BP7
Synonymous conserved (PhyloP=-0.368 with no splicing effect.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
COL12A1NM_004370.6 linkuse as main transcriptc.8841G>A p.Pro2947= synonymous_variant 63/66 ENST00000322507.13

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
COL12A1ENST00000322507.13 linkuse as main transcriptc.8841G>A p.Pro2947= synonymous_variant 63/661 NM_004370.6 P4Q99715-1

Frequencies

GnomAD3 genomes
AF:
0.0000592
AC:
9
AN:
152108
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000241
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000623
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000735
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000116
AC:
29
AN:
249396
Hom.:
0
AF XY:
0.000155
AC XY:
21
AN XY:
135350
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.000490
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000124
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000876
AC:
128
AN:
1461804
Hom.:
0
Cov.:
31
AF XY:
0.000113
AC XY:
82
AN XY:
727208
show subpopulations
Gnomad4 AFR exome
AF:
0.0000299
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.000499
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000710
Gnomad4 OTH exome
AF:
0.0000828
GnomAD4 genome
AF:
0.0000591
AC:
9
AN:
152226
Hom.:
0
Cov.:
32
AF XY:
0.0000806
AC XY:
6
AN XY:
74426
show subpopulations
Gnomad4 AFR
AF:
0.0000241
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000623
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000735
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000967
Hom.:
0
Bravo
AF:
0.0000680
Asia WGS
AF:
0.000577
AC:
2
AN:
3478
EpiCase
AF:
0.00
EpiControl
AF:
0.000119

ClinVar

Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Bethlem myopathy 2;C4225314:Ullrich congenital muscular dystrophy 2 Benign:1
Likely benign, criteria provided, single submitterclinical testingInvitaeDec 23, 2023- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.42
CADD
Benign
1.6
DANN
Benign
0.33

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

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs767339128; hg19: chr6-75799926; API