Variant chr1-196825626-A-G details in Genebe, Genetics Data Aggregator

Variant summary

Our verdict is Likely benign. Variant got -3 ACMG points: 0P and 3B. BP4_ModerateBS2_Supporting

The NM_002113.3(CFHR1):c.208A>G(p.Ile70Val) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000852 in 1,525,150 control chromosomes in the GnomAD database, including 3 homozygotes. In-silico tool predicts a benign outcome for this variant. 13/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★).

Frequency

Genomes: 𝑓 0.000015 ( 1 hom., cov: 24)

Exomes 𝑓: 0.0000079 ( 2 hom. )

Consequence

CFHR1
NM_002113.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:2

Conservation

PhyloP100: 0.724

Variant links:

Genes affected

CFHR1 (HGNC:4888): (complement factor H related 1) This gene encodes a secreted protein belonging to the complement factor H protein family. It binds to Pseudomonas aeruginosa elongation factor Tuf together with plasminogen, which is proteolytically activated. It is proposed that Tuf acts as a virulence factor by acquiring host proteins to the pathogen surface, controlling complement, and facilitating tissue invasion. Mutations in this gene are associated with an increased risk of atypical hemolytic-uremic syndrome. [provided by RefSeq, Oct 2009]

CFHR1 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -3 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.21047983).

BS2

High Homozygotes in GnomAdExome4 at 2 AD,AR,Digenic geneVariant has number of homozygotes lower than other variant known as pathogenic in the gene, so the strength is limited to Supporting.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
CFHR1	NM_002113.3 link	c.208A>G	p.Ile70Val	missense_variant	2/6	ENST00000320493.10	NP_002104.2	Q03591

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
CFHR1	ENST00000320493.10 link	c.208A>G	p.Ile70Val	missense_variant	2/6	1	NM_002113.3	ENSP00000314299.5		Q03591

Frequencies

GnomAD3 genomes

AF:

0.0000148

AC:

AN:

135548

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000630

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:

0.00

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.00000844

AC:

AN:

237028

Hom.:

AF XY:

0.00000783

AC XY:

AN XY:

127756

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 SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00000923

Gnomad OTH exome

AF:

0.000172

GnomAD4 exome

AF:

0.00000792

AC:

AN:

1389602

Hom.:

Cov.:

AF XY:

0.00000435

AC XY:

AN XY:

689900

show subpopulations

Gnomad4 AFR exome

AF:

0.00

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:

0.00000939

Gnomad4 OTH exome

AF:

0.0000175

GnomAD4 genome

AF:

0.0000148

AC:

AN:

135548

Hom.:

Cov.:

AF XY:

0.0000303

AC XY:

AN XY:

65898

show subpopulations

Gnomad4 AFR

AF:

0.0000630

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:

0.00

Gnomad4 OTH

AF:

0.00

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:2

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Jun 21, 2022

The c.208A>G (p.I70V) alteration is located in exon 2 (coding exon 2) of the CFHR1 gene. This alteration results from a A to G substitution at nucleotide position 208, causing the isoleucine (I) at amino acid position 70 to be replaced by a valine (V). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Hemolytic uremic syndrome, atypical, susceptibility to, 1

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Precision Medicine Center, Zhengzhou University

Dec 01, 2023

PM2_p,PM3 -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.17

BayesDel_addAF

Benign

-0.13

BayesDel_noAF

Benign

-0.42

CADD

Benign

DANN

Uncertain

0.99

DEOGEN2

Benign

0.010

T;T

Eigen

Benign

-0.52

Eigen_PC

Benign

-0.55

FATHMM_MKL

Benign

0.029

LIST_S2

Benign

0.62

T;T

M_CAP

Benign

0.019

MetaRNN

Benign

0.21

T;T

MetaSVM

Benign

-0.82

MutationAssessor

Uncertain

2.9

M;.

PROVEAN

Benign

-0.59

N;N

REVEL

Benign

0.097

Sift

Benign

0.27

T;T

Sift4G

Uncertain

0.037

D;T

Polyphen

0.047

B;.

Vest4

0.25

MutPred

0.63

Loss of catalytic residue at I70 (P = 0.0849);Loss of catalytic residue at I70 (P = 0.0849);

MVP

0.50

MPC

0.040

ClinPred

0.098

GERP RS

2.8

Varity_R

0.069

gMVP

0.23

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.030

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over