Menu
GeneBe

rs201651899

Variant summary

Our verdict is Likely benign. Variant got -3 ACMG points: 1P and 4B. PP2BP4_ModerateBP6_Moderate

The NM_004370.6(COL12A1):ā€‹c.4312A>Gā€‹(p.Ser1438Gly) variant causes a missense change. The variant allele was found at a frequency of 0.000018 in 1,613,072 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 12/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (ā˜…). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. S1438N) has been classified as Uncertain significance.

Frequency

Genomes: š‘“ 0.000026 ( 0 hom., cov: 32)
Exomes š‘“: 0.000017 ( 0 hom. )

Consequence

COL12A1
NM_004370.6 missense

Scores

4
11

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 5.25
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]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -3 ACMG points.

PP2
Missense variant where missense usually causes diseases, COL12A1
BP4
Computational evidence support a benign effect (MetaRNN=0.2561955).
BP6
Variant 6-75147780-T-C is Benign according to our data. Variant chr6-75147780-T-C is described in ClinVar as [Likely_benign]. Clinvar id is 581876.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
COL12A1NM_004370.6 linkuse as main transcriptc.4312A>G p.Ser1438Gly missense_variant 23/66 ENST00000322507.13

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
COL12A1ENST00000322507.13 linkuse as main transcriptc.4312A>G p.Ser1438Gly missense_variant 23/661 NM_004370.6 P4Q99715-1

Frequencies

GnomAD3 genomes
AF:
0.0000263
AC:
4
AN:
152182
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000483
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:
0.0000294
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000121
AC:
3
AN:
248380
Hom.:
0
AF XY:
0.0000148
AC XY:
2
AN XY:
134778
show subpopulations
Gnomad AFR exome
AF:
0.000130
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000887
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000171
AC:
25
AN:
1460890
Hom.:
0
Cov.:
31
AF XY:
0.0000138
AC XY:
10
AN XY:
726742
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:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000216
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000263
AC:
4
AN:
152182
Hom.:
0
Cov.:
32
AF XY:
0.0000269
AC XY:
2
AN XY:
74344
show subpopulations
Gnomad4 AFR
AF:
0.0000483
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000294
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000386
Hom.:
0
Bravo
AF:
0.0000227
ExAC
AF:
0.00000828
AC:
1
EpiCase
AF:
0.000110
EpiControl
AF:
0.00

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 testingInvitaeJan 19, 2024- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.18
BayesDel_addAF
Benign
-0.21
T
BayesDel_noAF
Benign
-0.31
CADD
Uncertain
23
DANN
Uncertain
0.99
DEOGEN2
Benign
0.12
T;T;.;.;.
Eigen
Benign
-0.033
Eigen_PC
Benign
-0.085
FATHMM_MKL
Uncertain
0.93
D
LIST_S2
Uncertain
0.92
D;D;D;D;D
M_CAP
Benign
0.037
D
MetaRNN
Benign
0.26
T;T;T;T;T
MetaSVM
Benign
-1.0
T
MutationTaster
Benign
0.91
N;N;N;N
PrimateAI
Benign
0.45
T
Sift4G
Uncertain
0.0020
D;D;D;D;D
Polyphen
0.73, 0.53
.;P;P;.;.
Vest4
0.33
MutPred
0.55
.;Loss of glycosylation at S1438 (P = 0.065);.;Loss of glycosylation at S1438 (P = 0.065);Loss of glycosylation at S1438 (P = 0.065);
MVP
0.59
MPC
0.29
ClinPred
0.23
T
GERP RS
3.6
Varity_R
0.25
gMVP
0.43

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: rs201651899; hg19: chr6-75857496; API