Genetic Variant SP110:p.Leu712Val (chr2-230169132-G-C) – 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_080424.4(SP110):c.2134C>G(p.Leu712Val) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000688 in 1,453,304 control chromosomes in the GnomAD database, with no homozygous occurrence. 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. L712F) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 31)

Exomes 𝑓: 6.9e-7 ( 0 hom. )

Consequence

SP110
NM_080424.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -0.169

Publications

0 publications found

Variant links:

Genes affected

SP110 (HGNC:5401): (SP110 nuclear body protein) The nuclear body is a multiprotein complex that may have a role in the regulation of gene transcription. This gene is a member of the SP100/SP140 family of nuclear body proteins and encodes a leukocyte-specific nuclear body component. The protein can function as an activator of gene transcription and may serve as a nuclear hormone receptor coactivator. In addition, it has been suggested that the protein may play a role in ribosome biogenesis and in the induction of myeloid cell differentiation. Alternative splicing has been observed for this gene and three transcript variants, encoding distinct isoforms, have been identified. [provided by RefSeq, Jul 2008]

SP110 Gene-Disease associations (from GenCC):

hepatic veno-occlusive disease-immunodeficiency syndrome
Inheritance: AR Classification: DEFINITIVE, STRONG, MODERATE, SUPPORTIVE Submitted by: Labcorp Genetics (formerly Invitae), Orphanet, ClinGen, Ambry Genetics

SP110 links:

ENSG00000225963 (HGNC:):

ENSG00000225963 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 (MetaRNN=0.049103796).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
SP110	NM_080424.4 link	c.2134C>G	p.Leu712Val	missense_variant	Exon 19 of 19	ENST00000258381.11	NP_536349.3	Q9HB58-6

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
SP110	ENST00000258381.11 link	c.2134C>G	p.Leu712Val	missense_variant	Exon 19 of 19	2	NM_080424.4	ENSP00000258381.6		Q9HB58-6

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.88e-7

AC:

AN:

1453304

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

723598

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33288

American (AMR)

AF:

0.00

AC:

AN:

44710

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26082

East Asian (EAS)

AF:

0.00

AC:

AN:

39650

South Asian (SAS)

AF:

0.00

AC:

AN:

86080

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53388

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5750

European-Non Finnish (NFE)

AF:

9.06e-7

AC:

AN:

1104272

Other (OTH)

AF:

0.00

AC:

AN:

60084

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.725

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.089

BayesDel_addAF

Benign

-0.26

BayesDel_noAF

Benign

-0.61

CADD

Benign

0.77

(source)

DANN

Benign

0.50

DEOGEN2

Benign

0.0011

.;T

Eigen

Benign

-1.3

Eigen_PC

Benign

-1.3

FATHMM_MKL

Benign

0.026

LIST_S2

Benign

0.33

T;T

M_CAP

Benign

0.0056

MetaRNN

Benign

0.049

T;T

MetaSVM

Benign

-1.0

MutationAssessor

Benign

1.1

.;L

PhyloP100

-0.17

PrimateAI

Benign

0.28

PROVEAN

Benign

-0.080

N;N

REVEL

Benign

0.0070

Sift

Benign

0.23

T;T

Sift4G

Benign

0.41

T;T

Polyphen

0.065

B;B

Vest4

0.094

MutPred

0.19

.;Gain of disorder (P = 0.2386);

MVP

0.22

MPC

0.36

ClinPred

0.037

GERP RS

-0.27

Varity_R

0.021

gMVP

0.096

Mutation Taster

=100/0

polymorphism

(source)

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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2-230169132-G-C

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over