18-63564119-C-T

Variant summary

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

The NM_001307928.2(SERPINB12):​c.704C>T​(p.Ala235Val) variant causes a missense, splice region change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000521 in 1,611,266 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 17/25 in silico tools predict a benign outcome for this variant. 2/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000056 ( 0 hom. )

Consequence

SERPINB12
NM_001307928.2 missense, splice_region

Scores

2
17
Splicing: ADA: 0.04348
2

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.49
Variant links:
Genes affected
SERPINB12 (HGNC:14220): (serpin family B member 12) Enables serine-type endopeptidase inhibitor activity. Predicted to be involved in negative regulation of endopeptidase activity. Predicted to act upstream of or within hematopoietic progenitor cell differentiation. Part of collagen-containing extracellular matrix. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

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=0.110795796).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
SERPINB12NM_001307928.2 linkuse as main transcriptc.704C>T p.Ala235Val missense_variant, splice_region_variant 6/8 ENST00000382768.2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
SERPINB12ENST00000382768.2 linkuse as main transcriptc.704C>T p.Ala235Val missense_variant, splice_region_variant 6/81 NM_001307928.2 P1Q96P63-2
SERPINB12ENST00000269491.6 linkuse as main transcriptc.644C>T p.Ala215Val missense_variant, splice_region_variant 6/81 Q96P63-1
SERPINB12ENST00000680447.1 linkuse as main transcriptn.441C>T splice_region_variant, non_coding_transcript_exon_variant 2/4

Frequencies

GnomAD3 genomes
AF:
0.0000131
AC:
2
AN:
152130
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000655
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:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000323
AC:
8
AN:
248002
Hom.:
0
AF XY:
0.0000149
AC XY:
2
AN XY:
133882
show subpopulations
Gnomad AFR exome
AF:
0.000123
Gnomad AMR exome
AF:
0.0000296
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:
0.0000355
Gnomad OTH exome
AF:
0.000165
GnomAD4 exome
AF:
0.0000562
AC:
82
AN:
1459018
Hom.:
0
Cov.:
32
AF XY:
0.0000593
AC XY:
43
AN XY:
725642
show subpopulations
Gnomad4 AFR exome
AF:
0.0000900
Gnomad4 AMR exome
AF:
0.0000227
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000252
Gnomad4 SAS exome
AF:
0.0000235
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000621
Gnomad4 OTH exome
AF:
0.0000829
GnomAD4 genome
AF:
0.0000131
AC:
2
AN:
152248
Hom.:
0
Cov.:
32
AF XY:
0.0000134
AC XY:
1
AN XY:
74436
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.0000654
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000147
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000838
Hom.:
0
Bravo
AF:
0.0000264
TwinsUK
AF:
0.00
AC:
0
ALSPAC
AF:
0.000259
AC:
1
ExAC
AF:
0.0000412
AC:
5
Asia WGS
AF:
0.000289
AC:
1
AN:
3478
EpiCase
AF:
0.000164
EpiControl
AF:
0.0000593

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsFeb 23, 2023The c.644C>T (p.A215V) alteration is located in exon 5 (coding exon 5) of the SERPINB12 gene. This alteration results from a C to T substitution at nucleotide position 644, causing the alanine (A) at amino acid position 215 to be replaced by a valine (V). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.11
BayesDel_addAF
Benign
-0.30
T
BayesDel_noAF
Benign
-0.43
CADD
Benign
22
DANN
Benign
0.96
DEOGEN2
Benign
0.061
T;.
Eigen
Benign
-0.51
Eigen_PC
Benign
-0.44
FATHMM_MKL
Uncertain
0.87
D
LIST_S2
Benign
0.72
T;T
M_CAP
Benign
0.031
D
MetaRNN
Benign
0.11
T;T
MetaSVM
Benign
-0.63
T
MutationAssessor
Benign
1.4
L;.
MutationTaster
Benign
0.97
N;N
PrimateAI
Benign
0.33
T
PROVEAN
Benign
-1.0
N;N
REVEL
Benign
0.26
Sift
Benign
0.13
T;T
Sift4G
Uncertain
0.0060
D;D
Polyphen
0.56
P;.
Vest4
0.090
MutPred
0.42
.;Gain of catalytic residue at A235 (P = 0.0549);
MVP
0.87
MPC
0.070
ClinPred
0.041
T
GERP RS
3.2
Varity_R
0.060
gMVP
0.37

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.043
dbscSNV1_RF
Benign
0.15
SpliceAI score (max)
0.29
Details are displayed if max score is > 0.2
DS_DG_spliceai
0.29
Position offset: -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: rs543006776; hg19: chr18-61231352; COSMIC: COSV54035228; API