Genetic Variant HRG:p.Pro204Thr (chr3-186672838-C-A) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_000412.5(HRG):c.610C>A(p.Pro204Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. 16/22 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. P204S) has been classified as Benign.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0 ( 0 hom. )

Failed GnomAD Quality Control

Consequence

HRG
NM_000412.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 2.14

Publications

54 publications found

Variant links:

Genes affected

HRG (HGNC:5181): (histidine rich glycoprotein) This histidine-rich glycoprotein contains two cystatin-like domains and is located in plasma and platelets. The physiological function has not been determined but it is known that the protein binds heme, dyes and divalent metal ions. The encoded protein also has a peptide that displays antimicrobial activity against C. albicans, E. coli, S. aureus, P. aeruginosa, and E. faecalis. It can inhibit rosette formation and interacts with heparin, thrombospondin and plasminogen. Two of the protein's effects, the inhibition of fibrinolysis and the reduction of inhibition of coagulation, indicate a potential prothrombotic effect. Mutations in this gene lead to thrombophilia due to abnormal histidine-rich glycoprotein levels. [provided by RefSeq, Nov 2014]

HRG links:

HRG-AS1 (HGNC:55915): (HRG and FETUB antisense RNA 1)

HRG-AS1 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.20622152).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_000412.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	HRG	NM_000412.5	MANE Select	c.610C>A	p.Pro204Thr	missense	Exon 5 of 7	NP_000403.1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
HRG	ENST00000232003.5	TSL:1 MANE Select	c.610C>A	p.Pro204Thr	missense	Exon 5 of 7	ENSP00000232003.4
HRG	ENST00000495413.1	TSL:2	n.735C>A		non_coding_transcript_exon	Exon 4 of 5
HRG-AS1	ENST00000625303.2	TSL:5	n.215-5577G>T		intron	N/A

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

Data not reliable, filtered out with message: AC0;AS_VQSR

AF:

0.00

AC:

AN:

1458620

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

725812

African (AFR)

AF:

0.00

AC:

AN:

33386

American (AMR)

AF:

0.00

AC:

AN:

44714

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26114

East Asian (EAS)

AF:

0.00

AC:

AN:

39678

South Asian (SAS)

AF:

0.00

AC:

AN:

86188

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53414

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5758

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1109066

Other (OTH)

AF:

0.00

AC:

AN:

60302

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.073

BayesDel_addAF

Benign

-0.26

BayesDel_noAF

Benign

-0.61

CADD

Benign

(source)

DANN

Benign

0.67

DEOGEN2

Benign

0.066

Eigen

Benign

-0.75

Eigen_PC

Benign

-0.59

FATHMM_MKL

Benign

0.49

LIST_S2

Benign

0.32

M_CAP

Benign

0.0057

MetaRNN

Benign

0.21

MetaSVM

Benign

-1.0

MutationAssessor

Benign

0.0

PhyloP100

2.1

PrimateAI

Benign

0.41

PROVEAN

Benign

1.1

REVEL

Benign

0.077

Sift

Benign

0.22

Sift4G

Benign

0.062

Polyphen

0.0

Vest4

0.18

MutPred

0.27

Loss of sheet (P = 0.0457)

MVP

0.32

MPC

0.085

ClinPred

0.14

GERP RS

4.3

Varity_R

0.037

gMVP

0.21

Mutation Taster

=99/1

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.020

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

ClinVar

Computational scores

Splicing

Publications

Other links and lift over