Genetic Variant PLOD1:c.-19C>T (chr1-11934761-C-T) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_000302.4(PLOD1):c.-19C>T variant causes a 5 prime UTR premature start codon gain change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000583 in 1,373,358 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000058 ( 1 hom. )

Consequence

PLOD1
NM_000302.4 5_prime_UTR_premature_start_codon_gain

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.0440

Publications

0 publications found

Variant links:

Genes affected

PLOD1 (HGNC:9081): (procollagen-lysine,2-oxoglutarate 5-dioxygenase 1) Lysyl hydroxylase is a membrane-bound homodimeric protein localized to the cisternae of the endoplasmic reticulum. The enzyme (cofactors iron and ascorbate) catalyzes the hydroxylation of lysyl residues in collagen-like peptides. The resultant hydroxylysyl groups are attachment sites for carbohydrates in collagen and thus are critical for the stability of intermolecular crosslinks. Some patients with Ehlers-Danlos syndrome type VI have deficiencies in lysyl hydroxylase activity. Two transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Oct 2015]

PLOD1 Gene-Disease associations (from GenCC):

Ehlers-Danlos syndrome, kyphoscoliotic type 1
Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Labcorp Genetics (formerly Invitae), Genomics England PanelApp, Orphanet, PanelApp Australia, G2P

PLOD1 links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.69).

Transcripts

RefSeq

Gene	Transcript	HGVSc	Effect	Exon rank	MANE	Protein	UniProt
PLOD1	NM_000302.4 link	c.-19C>T	5_prime_UTR_premature_start_codon_gain_variant	Exon 1 of 19	ENST00000196061.5	NP_000293.2	Q02809-1
PLOD1	NM_000302.4 link	c.-19C>T	5_prime_UTR_variant	Exon 1 of 19	ENST00000196061.5	NP_000293.2	Q02809-1
PLOD1	NM_001316320.2 link	c.-19C>T	5_prime_UTR_premature_start_codon_gain_variant	Exon 1 of 20		NP_001303249.1	Q02809-2
PLOD1	NM_001316320.2 link	c.-19C>T	5_prime_UTR_variant	Exon 1 of 20		NP_001303249.1	Q02809-2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
PLOD1	ENST00000196061.5 link	c.-19C>T		5_prime_UTR_premature_start_codon_gain_variant	Exon 1 of 19	1	NM_000302.4	ENSP00000196061.4		Q02809-1
PLOD1	ENST00000196061.5 link	c.-19C>T		5_prime_UTR_variant	Exon 1 of 19	1	NM_000302.4	ENSP00000196061.4		Q02809-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.0000167

AC:

AN:

120010

AF XY:

0.00

show subpopulations

Gnomad AFR exome

AF:

0.000283

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.000119

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000583

AC:

AN:

1373358

Hom.:

Cov.:

AF XY:

0.00000295

AC XY:

AN XY:

677600

show subpopulations

African (AFR)

AF:

0.0000347

AC:

AN:

28850

American (AMR)

AF:

0.00

AC:

AN:

34750

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

24622

East Asian (EAS)

AF:

0.0000594

AC:

AN:

33684

South Asian (SAS)

AF:

0.0000516

AC:

AN:

77448

European-Finnish (FIN)

AF:

0.00

AC:

AN:

38256

Middle Eastern (MID)

AF:

0.00

AC:

AN:

4538

European-Non Finnish (NFE)

AF:

9.31e-7

AC:

AN:

1073978

Other (OTH)

AF:

0.00

AC:

AN:

57232

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.425

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Jul 21, 2023

Women's Health and Genetics/Laboratory Corporation of America, LabCorp

Significance:Uncertain significance

Review Status:criteria provided, single submitter

Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.69

CADD

Benign

(source)

DANN

Benign

0.91

PhyloP100

0.044

PromoterAI

-0.11

Neutral

(source)

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.1

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

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chr1-11934761-C-T

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over