7-94431047-A-AGTTGTCC

Variant names:

Variant summary

Our verdict is Benign. The variant received -16 ACMG points: 0P and 16B. BP6_Very_StrongBA1

The NM_000089.4(COL1A2):c.*654_*655insGTTGTCC variant causes a 3 prime UTR change involving the alteration of a non-conserved nucleotide. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.68 ( 36638 hom., cov: 0)

Exomes 𝑓: 0.55 ( 72 hom. )

Consequence

COL1A2
NM_000089.4 3_prime_UTR

Scores

Not classified

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:3

Conservation

PhyloP100: 2.27

Publications

24 publications found

Variant links:

Genes affected

COL1A2 (HGNC:2198): (collagen type I alpha 2 chain) This gene encodes the pro-alpha2 chain of type I collagen whose triple helix comprises two alpha1 chains and one alpha2 chain. Type I is a fibril-forming collagen found in most connective tissues and is abundant in bone, cornea, dermis and tendon. Mutations in this gene are associated with osteogenesis imperfecta types I-IV, Ehlers-Danlos syndrome type VIIB, recessive Ehlers-Danlos syndrome Classical type, idiopathic osteoporosis, and atypical Marfan syndrome. Symptoms associated with mutations in this gene, however, tend to be less severe than mutations in the gene for the alpha1 chain of type I collagen (COL1A1) reflecting the different role of alpha2 chains in matrix integrity. Three transcripts, resulting from the use of alternate polyadenylation signals, have been identified for this gene. [provided by R. Dalgleish, Feb 2008]

COL1A2 Gene-Disease associations (from GenCC):

COL1A2-related Ehlers-Danlos syndrome
Inheritance: AD Classification: DEFINITIVE Submitted by: ClinGen
COL1A2-related osteogenesis imperfecta
Inheritance: AD Classification: DEFINITIVE Submitted by: ClinGen
Ehlers-Danlos syndrome, arthrochalasia type, 2
Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: Illumina, Genomics England PanelApp, Labcorp Genetics (formerly Invitae)
osteogenesis imperfecta
Inheritance: AD Classification: DEFINITIVE Submitted by: G2P
osteogenesis imperfecta type 1
Inheritance: AD Classification: DEFINITIVE, SUPPORTIVE Submitted by: ClinGen, Orphanet
osteogenesis imperfecta type 2
Inheritance: AD Classification: DEFINITIVE, SUPPORTIVE Submitted by: ClinGen, Orphanet, G2P
osteogenesis imperfecta type 3
Inheritance: AD Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: ClinGen, Labcorp Genetics (formerly Invitae), Orphanet
osteogenesis imperfecta type 4
Inheritance: AD Classification: DEFINITIVE, SUPPORTIVE Submitted by: ClinGen, Orphanet
Ehlers-Danlos syndrome, arthrochalasia type
Inheritance: AR, AD Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Labcorp Genetics (formerly Invitae), Orphanet, ClinGen
Ehlers-Danlos syndrome, cardiac valvular type
Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Orphanet, Genomics England PanelApp, G2P, ClinGen
combined osteogenesis imperfecta and Ehlers-Danlos syndrome 2
Inheritance: AD Classification: MODERATE Submitted by: Ambry Genetics, ClinGen
Ehlers-Danlos/osteogenesis imperfecta syndrome
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
high bone mass osteogenesis imperfecta
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
congenital heart disease
Inheritance: Unknown Classification: NO_KNOWN Submitted by: ClinGen

COL1A2 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -16 ACMG points.

BP6

Variant 7-94431047-A-AGTTGTCC is Benign according to our data. Variant chr7-94431047-A-AGTTGTCC is described in ClinVar as Benign. ClinVar VariationId is 360983.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BA1

GnomAd4 highest subpopulation (EAS) allele frequency at 95% confidence interval = 0.867 is higher than 0.05.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_000089.4. 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
	COL1A2	NM_000089.4	MANE Select	c.654_655insGTTGTCC		3_prime_UTR	Exon 52 of 52	NP_000080.2

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	Effect	Exon Rank	Protein	UniProt
COL1A2	ENST00000297268.11	TSL:1 MANE Select	c.654_655insGTTGTCC	3_prime_UTR	Exon 52 of 52	ENSP00000297268.6	P08123
COL1A2	ENST00000959377.1		c.654_655insGTTGTCC	3_prime_UTR	Exon 52 of 52	ENSP00000629436.1
COL1A2	ENST00000959378.1		c.654_655insGTTGTCC	3_prime_UTR	Exon 52 of 52	ENSP00000629437.1

Frequencies

GnomAD3 genomes

AF:

0.684

AC:

103390

AN:

151168

Hom.:

36572

Cov.:

show subpopulations

Gnomad AFR

AF:

0.853

Gnomad AMI

AF:

0.384

Gnomad AMR

AF:

0.707

Gnomad ASJ

AF:

0.627

Gnomad EAS

AF:

0.887

Gnomad SAS

AF:

0.775

Gnomad FIN

AF:

0.566

Gnomad MID

AF:

0.659

Gnomad NFE

AF:

0.580

Gnomad OTH

AF:

0.666

GnomAD4 exome

AF:

0.550

AC:

240

AN:

436

Hom.:

Cov.:

AF XY:

0.546

AC XY:

143

AN XY:

262

show subpopulations

African (AFR)

AC:

AN:

American (AMR)

AC:

AN:

Ashkenazi Jewish (ASJ)

AC:

AN:

East Asian (EAS)

AC:

AN:

South Asian (SAS)

AC:

AN:

European-Finnish (FIN)

AF:

0.549

AC:

234

AN:

426

Middle Eastern (MID)

AC:

AN:

European-Non Finnish (NFE)

AF:

0.667

AC:

AN:

Other (OTH)

AF:

0.500

AC:

AN:

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.473

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.684

AC:

103522

AN:

151290

Hom.:

36638

Cov.:

AF XY:

0.684

AC XY:

50523

AN XY:

73882

show subpopulations

African (AFR)

AF:

0.853

AC:

35219

AN:

41280

American (AMR)

AF:

0.707

AC:

10740

AN:

15196

Ashkenazi Jewish (ASJ)

AF:

0.627

AC:

2166

AN:

3454

East Asian (EAS)

AF:

0.888

AC:

4567

AN:

5142

South Asian (SAS)

AF:

0.775

AC:

3721

AN:

4800

European-Finnish (FIN)

AF:

0.566

AC:

5937

AN:

10494

Middle Eastern (MID)

AF:

0.659

AC:

191

AN:

290

European-Non Finnish (NFE)

AF:

0.580

AC:

39232

AN:

67636

Other (OTH)

AF:

0.670

AC:

1402

AN:

2094

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.498

Heterozygous variant carriers

1562

3125

4687

6250

7812

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Genome Hom

Variant carriers

802

1604

2406

3208

4010

<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:

0.414

Hom.:

669

Bravo

AF:

0.703

ClinVar

ClinVar submissions

Significance:Benign

Revision:criteria provided, multiple submitters, no conflicts

View on ClinVar

Pathogenic

VUS

Benign

Condition

Ehlers-Danlos syndrome, arthrochalasia type (1)

not provided (1)

Osteogenesis Imperfecta, Dominant (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

PhyloP100

2.3

Mutation Taster

=100/0

polymorphism

(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

ClinVar

Computational scores

Splicing

Publications

Other links and lift over