2-127428371-C-T

Variant names:

Variant summary

Our verdict is Pathogenic. The variant received 11 ACMG points: 11P and 0B. PM1PP2PP5_Very_Strong

The NM_001375607.1(PROC):c.997C>T(p.Arg333Trp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000341 in 1,613,874 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Likely pathogenic (★★).

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 33)

Exomes 𝑓: 0.000036 ( 0 hom. )

Consequence

PROC
NM_001375607.1 missense

Scores

Clinical Significance

Pathogenic/Likely pathogenic criteria provided, multiple submitters, no conflicts P:4U:1

Conservation

PhyloP100: -0.920

Publications

10 publications found

Variant links:

Genes affected

PROC (HGNC:9451): (protein C, inactivator of coagulation factors Va and VIIIa) This gene encodes a vitamin K-dependent plasma glycoprotein. The encoded protein is cleaved to its activated form by the thrombin-thrombomodulin complex. This activated form contains a serine protease domain and functions in degradation of the activated forms of coagulation factors V and VIII. Mutations in this gene have been associated with thrombophilia due to protein C deficiency, neonatal purpura fulminans, and recurrent venous thrombosis.[provided by RefSeq, Dec 2009]

PROC Gene-Disease associations (from GenCC):

hereditary thrombophilia due to congenital protein C deficiency
Inheritance: AD, SD Classification: DEFINITIVE, SUPPORTIVE Submitted by: Orphanet, ClinGen
thrombophilia due to protein C deficiency, autosomal dominant
Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: Genomics England PanelApp, Labcorp Genetics (formerly Invitae), Ambry Genetics
thrombophilia due to protein C deficiency, autosomal recessive
Inheritance: AR Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae), Genomics England PanelApp

PROC links:

LOC105373608 (HGNC:):

LOC105373608 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Pathogenic. The variant received 11 ACMG points.

PM1

In a hotspot region, there are 3 aminoacids with missense pathogenic changes in the window of +-8 aminoacids around while only 0 benign, 10 uncertain in NM_001375607.1

PP2

Missense variant in the gene, where a lot of missense mutations are associated with disease in ClinVar. The gene has 56 curated pathogenic missense variants (we use a threshold of 10). The gene has 16 curated benign missense variants. Gene score misZ: 0.88339 (below the threshold of 3.09). Trascript score misZ: 1.2829 (below the threshold of 3.09). GenCC associations: The gene is linked to thrombophilia due to protein C deficiency, autosomal dominant, thrombophilia due to protein C deficiency, autosomal recessive, hereditary thrombophilia due to congenital protein C deficiency.

PP5

Variant 2-127428371-C-T is Pathogenic according to our data. Variant chr2-127428371-C-T is described in ClinVar as Pathogenic/Likely_pathogenic. ClinVar VariationId is 536970.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001375607.1. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
PROC	NM_000312.4	MANE Select	c.811C>T	p.Arg271Trp	missense	Exon 9 of 9	NP_000303.1
PROC	NM_001375607.1		c.997C>T	p.Arg333Trp	missense	Exon 8 of 8	NP_001362536.1
PROC	NM_001375602.1		c.994C>T	p.Arg332Trp	missense	Exon 9 of 9	NP_001362531.1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
PROC	ENST00000234071.8	TSL:1 MANE Select	c.811C>T	p.Arg271Trp	missense	Exon 9 of 9	ENSP00000234071.4
PROC	ENST00000883860.1		c.985C>T	p.Arg329Trp	missense	Exon 8 of 8	ENSP00000553919.1
PROC	ENST00000883897.1		c.985C>T	p.Arg329Trp	missense	Exon 7 of 7	ENSP00000553956.1

Frequencies

GnomAD3 genomes

AF:

0.0000197

AC:

AN:

152238

Hom.:

Cov.:

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:

0.000207

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000147

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000159

AC:

AN:

250824

AF XY:

0.00000737

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 FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000265

Gnomad OTH exome

AF:

0.000163

GnomAD4 exome

AF:

0.0000356

AC:

AN:

1461636

Hom.:

Cov.:

AF XY:

0.0000316

AC XY:

AN XY:

727124

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44714

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39698

South Asian (SAS)

AF:

0.00

AC:

AN:

86250

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53204

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.0000459

AC:

AN:

1111990

Other (OTH)

AF:

0.0000166

AC:

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.467

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:

0.0000197

AC:

AN:

152238

Hom.:

Cov.:

AF XY:

0.0000269

AC XY:

AN XY:

74370

show subpopulations

African (AFR)

AF:

0.0000241

AC:

AN:

41480

American (AMR)

AF:

0.00

AC:

AN:

15278

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5194

South Asian (SAS)

AF:

0.000207

AC:

AN:

4830

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10624

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.0000147

AC:

AN:

68040

Other (OTH)

AF:

0.00

AC:

AN:

2094

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

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:

0.0000543

Hom.:

Bravo

AF:

0.00000756

ExAC

AF:

0.00000824

AC:

EpiCase

AF:

0.0000545

EpiControl

AF:

0.00

ClinVar

ClinVar submissions as Germline

Significance:Pathogenic/Likely pathogenic

Revision:criteria provided, multiple submitters, no conflicts

View on ClinVar

Pathogenic

VUS

Benign

Condition

Thrombophilia due to protein C deficiency, autosomal dominant (3)

not provided (1)

Thrombophilia due to protein C deficiency, autosomal dominant;C2676759:Thrombophilia due to protein C deficiency, autosomal recessive (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Uncertain

0.35

BayesDel_addAF

Pathogenic

0.24

BayesDel_noAF

Pathogenic

0.17

CADD

Benign

(source)

DANN

Uncertain

1.0

DEOGEN2

Pathogenic

0.89

Eigen

Benign

-0.11

Eigen_PC

Benign

-0.24

FATHMM_MKL

Benign

0.49

LIST_S2

Benign

0.78

M_CAP

Uncertain

0.24

MetaRNN

Uncertain

0.60

MetaSVM

Uncertain

0.29

MutationAssessor

Benign

1.9

PhyloP100

-0.92

PrimateAI

Benign

0.40

PROVEAN

Uncertain

-3.9

REVEL

Pathogenic

0.65

Sift4G

Uncertain

0.022

Polyphen

1.0

Vest4

0.45

MutPred

0.68

Loss of MoRF binding (P = 0.0913)

MVP

0.96

MPC

1.3

ClinPred

0.85

GERP RS

-2.2

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Varity_R

0.93

gMVP

0.95

Mutation Taster

=2/98

disease causing (ClinVar)

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.010

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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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