15-74411926-G-A

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_003612.5(SEMA7A):​c.1381C>T​(p.Arg461Cys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00011 in 1,613,928 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 12/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Affects (no stars). Another nucleotide change resulting in same amino acid change has been previously reported as Likely benignin UniProt. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R461H) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.000099 ( 0 hom., cov: 32)
Exomes 𝑓: 0.00011 ( 0 hom. )

Consequence

SEMA7A
NM_003612.5 missense

Scores

4
15

Clinical Significance

Affects no assertion criteria provided O:1

Conservation

PhyloP100: 0.975
Variant links:
Genes affected
SEMA7A (HGNC:10741): (semaphorin 7A (JohnMiltonHagen blood group)) This gene encodes a member of the semaphorin family of proteins. The encoded preproprotein is proteolytically processed to generate the mature glycosylphosphatidylinositol (GPI)-anchored membrane glycoprotein. The encoded protein is found on activated lymphocytes and erythrocytes and may be involved in immunomodulatory and neuronal processes. The encoded protein carries the John Milton Hagen (JMH) blood group antigens. Mutations in this gene may be associated with reduced bone mineral density (BMD). Alternative splicing results in multiple transcript variants, at least one of which encodes an isoform that is proteolytically processed. [provided by RefSeq, Feb 2016]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.032054543).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
SEMA7ANM_003612.5 linkuse as main transcriptc.1381C>T p.Arg461Cys missense_variant 11/14 ENST00000261918.9
SEMA7ANM_001146029.3 linkuse as main transcriptc.1339C>T p.Arg447Cys missense_variant 10/13
SEMA7ANM_001146030.3 linkuse as main transcriptc.886C>T p.Arg296Cys missense_variant 11/14
SEMA7AXM_047433177.1 linkuse as main transcriptc.1258C>T p.Arg420Cys missense_variant 11/14

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
SEMA7AENST00000261918.9 linkuse as main transcriptc.1381C>T p.Arg461Cys missense_variant 11/141 NM_003612.5 P1O75326-1
SEMA7AENST00000543145.6 linkuse as main transcriptc.1339C>T p.Arg447Cys missense_variant 10/132 O75326-2
SEMA7AENST00000542748.6 linkuse as main transcriptc.886C>T p.Arg296Cys missense_variant 11/145

Frequencies

GnomAD3 genomes
AF:
0.0000985
AC:
15
AN:
152242
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000654
Gnomad ASJ
AF:
0.00317
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000441
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000127
AC:
32
AN:
251186
Hom.:
0
AF XY:
0.000169
AC XY:
23
AN XY:
135870
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00218
Gnomad EAS exome
AF:
0.0000544
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000705
Gnomad OTH exome
AF:
0.000163
GnomAD4 exome
AF:
0.000111
AC:
162
AN:
1461686
Hom.:
0
Cov.:
33
AF XY:
0.000133
AC XY:
97
AN XY:
727146
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000224
Gnomad4 ASJ exome
AF:
0.00253
Gnomad4 EAS exome
AF:
0.0000756
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.0000376
Gnomad4 NFE exome
AF:
0.0000737
Gnomad4 OTH exome
AF:
0.000132
GnomAD4 genome
AF:
0.0000985
AC:
15
AN:
152242
Hom.:
0
Cov.:
32
AF XY:
0.000108
AC XY:
8
AN XY:
74384
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.0000654
Gnomad4 ASJ
AF:
0.00317
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000441
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000180
Hom.:
0
Bravo
AF:
0.0000945
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000116
AC:
1
ExAC
AF:
0.0000659
AC:
8
EpiCase
AF:
0.00
EpiControl
AF:
0.000178

ClinVar

Significance: Affects
Submissions summary: Other:1
Revision: no assertion criteria provided
LINK: link

Submissions by phenotype

John Milton Hagen blood group system Other:1
Affects, no assertion criteria providedliterature onlyOMIMJan 01, 2007- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.28
BayesDel_addAF
Benign
-0.17
T
BayesDel_noAF
Benign
-0.29
CADD
Pathogenic
28
DANN
Uncertain
1.0
DEOGEN2
Benign
0.36
T;T;.
Eigen
Benign
-0.11
Eigen_PC
Benign
-0.13
FATHMM_MKL
Benign
0.18
N
LIST_S2
Uncertain
0.86
D;D;D
M_CAP
Benign
0.012
T
MetaRNN
Benign
0.032
T;T;T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
1.4
L;.;.
MutationTaster
Benign
1.0
N;N;N
PrimateAI
Benign
0.26
T
PROVEAN
Uncertain
-2.9
D;D;D
REVEL
Benign
0.14
Sift
Benign
0.030
D;D;D
Sift4G
Uncertain
0.0050
D;D;D
Polyphen
1.0
D;.;.
Vest4
0.74
MVP
0.43
MPC
0.72
ClinPred
0.068
T
GERP RS
3.5
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1
Varity_R
0.29
gMVP
0.55

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs56001514; hg19: chr15-74704267; API