Genetic Variant NM_005334.3:c.6068T>C (chrX-153949553-A-G) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_005334.3(HCFC1):c.6068T>C(p.Met2023Thr) variant causes a missense, splice region change. The variant allele was found at a frequency of 0.00000182 in 1,095,948 control chromosomes in the GnomAD database, with no homozygous occurrence. There are 1 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 23)

Exomes 𝑓: 0.0000018 ( 0 hom. 1 hem. )

Consequence

HCFC1
NM_005334.3 missense, splice_region

Scores

Splicing: ADA: 0.05945

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 4.82

Variant links:

Genes affected

HCFC1 (HGNC:4839): (host cell factor C1) This gene is a member of the host cell factor family and encodes a protein with five Kelch repeats, a fibronectin-like motif, and six HCF repeats, each of which contains a highly specific cleavage signal. This nuclear coactivator is proteolytically cleaved at one of the six possible sites, resulting in the creation of an N-terminal chain and the corresponding C-terminal chain. The final form of this protein consists of noncovalently bound N- and C-terminal chains. The protein is involved in control of the cell cycle and transcriptional regulation during herpes simplex virus infection. Alternatively spliced variants which encode different protein isoforms have been described; however, not all variants have been fully characterized. [provided by RefSeq, Jul 2008]

HCFC1 links:

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.21349958).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
HCFC1	NM_005334.3 link	c.6068T>C	p.Met2023Thr	missense_variant, splice_region_variant	Exon 25 of 26	ENST00000310441.12	NP_005325.2	P51610-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
HCFC1	ENST00000310441.12 link	c.6068T>C	p.Met2023Thr	missense_variant, splice_region_variant	Exon 25 of 26	1	NM_005334.3	ENSP00000309555.7	P51610-1
HCFC1	ENST00000369984.4 link	c.6203T>C	p.Met2068Thr	missense_variant, splice_region_variant	Exon 25 of 26	5		ENSP00000359001.4	A6NEM2
HCFC1	ENST00000444191.5 link	c.1793T>C	p.Met598Thr	missense_variant, splice_region_variant	Exon 9 of 10	5		ENSP00000399589.1	H7C1C4

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

0.00000182

AC:

AN:

1095948

Hom.:

Cov.:

AF XY:

0.00000277

AC XY:

AN XY:

361388

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:

0.00000238

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

Cov.:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not provided

Uncertain:1

Jan 20, 2023

GeneDx

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

Not observed at significant frequency in large population cohorts (gnomAD); In silico analysis supports that this missense variant does not alter protein structure/function; Has not been previously published as pathogenic or benign to our knowledge -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.25

BayesDel_addAF

Benign

-0.31

BayesDel_noAF

Benign

-0.68

CADD

Uncertain

DANN

Benign

0.86

DEOGEN2

Benign

0.086

T;T

FATHMM_MKL

Uncertain

0.88

LIST_S2

Benign

0.74

T;T

M_CAP

Uncertain

0.27

MetaRNN

Benign

0.21

T;T

MetaSVM

Benign

-0.81

MutationAssessor

Benign

0.95

L;.

PrimateAI

Uncertain

0.73

PROVEAN

Benign

-0.45

N;N

REVEL

Benign

0.14

Sift

Benign

0.27

T;T

Sift4G

Benign

0.71

T;T

Polyphen

0.0040

B;.

Vest4

0.30

MutPred

0.30

Gain of phosphorylation at M2023 (P = 0.0021);.;

MVP

0.44

MPC

1.9

ClinPred

0.67

GERP RS

5.4

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Varity_R

0.36

gMVP

0.84

Splicing

Name

Calibrated prediction

Score

Prediction

dbscSNV1_ADA

Benign

0.059

dbscSNV1_RF

Benign

0.33

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

No publications associated with this variant yet.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over