rs372733273

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 0P and 4B. BP4_ModerateBP6_Moderate

The NM_001355436.2(SPTB):​c.6271C>A​(p.Pro2091Thr) variant causes a missense, splice region change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000869 in 1,610,908 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 19/24 in silico tools predict 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 Likely benign (★).

Frequency

Genomes: 𝑓 0.000046 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000048 ( 0 hom. )

Consequence

SPTB
NM_001355436.2 missense, splice_region

Scores

18
Splicing: ADA: 0.0001397
2

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 1.01

Publications

1 publications found
Variant links:
Genes affected
SPTB (HGNC:11274): (spectrin beta, erythrocytic) This locus encodes a member of the spectrin gene family. Spectrin proteins, along with ankyrin, play a role in cell membrane organization and stability. The protein encoded by this locus functions in stability of erythrocyte membranes, and mutations in this gene have been associated with spherocytosis type 2, hereditary elliptocytosis, and neonatal hemolytic anemia. Alternatively spliced transcript variants have been described. [provided by RefSeq, Nov 2009]
SPTB Gene-Disease associations (from GenCC):
  • hereditary spherocytosis type 2
    Inheritance: AD Classification: STRONG Submitted by: PanelApp Australia, Labcorp Genetics (formerly Invitae)
  • elliptocytosis 3
    Inheritance: AR, AD Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae), PanelApp Australia
  • hereditary elliptocytosis
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • hereditary spherocytosis
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -4 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.08738318).
BP6
Variant 14-64766800-G-T is Benign according to our data. Variant chr14-64766800-G-T is described in ClinVar as Likely_benign. ClinVar VariationId is 544818.Status of the report is criteria_provided_single_submitter, 1 stars.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001355436.2. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
SPTB
NM_001355436.2
MANE Select
c.6271C>Ap.Pro2091Thr
missense splice_region
Exon 32 of 36NP_001342365.1P11277-2
SPTB
NM_001024858.4
c.6271C>Ap.Pro2091Thr
missense splice_region
Exon 31 of 35NP_001020029.1P11277-2
SPTB
NM_001355437.2
c.6271C>Ap.Pro2091Thr
missense splice_region
Exon 32 of 32NP_001342366.1P11277-1

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
SPTB
ENST00000644917.1
MANE Select
c.6271C>Ap.Pro2091Thr
missense splice_region
Exon 32 of 36ENSP00000495909.1P11277-2
SPTB
ENST00000553938.5
TSL:1
c.2266C>Ap.Pro756Thr
missense splice_region
Exon 13 of 18ENSP00000451324.1H0YJE6
SPTB
ENST00000389722.7
TSL:2
c.6271C>Ap.Pro2091Thr
missense splice_region
Exon 31 of 35ENSP00000374372.3P11277-2

Frequencies

GnomAD3 genomes
AF:
0.0000460
AC:
7
AN:
152050
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000169
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
GnomAD2 exomes
AF:
0.0000121
AC:
3
AN:
248744
AF XY:
0.00000743
show subpopulations
Gnomad AFR exome
AF:
0.000185
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000480
AC:
7
AN:
1458858
Hom.:
0
Cov.:
31
AF XY:
0.00000276
AC XY:
2
AN XY:
725816
show subpopulations
African (AFR)
AF:
0.000209
AC:
7
AN:
33478
American (AMR)
AF:
0.00
AC:
0
AN:
44714
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26132
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39696
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86256
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
50518
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5766
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
1111940
Other (OTH)
AF:
0.00
AC:
0
AN:
60358
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.439
Heterozygous variant carriers
0
1
2
2
3
4
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.0000460
AC:
7
AN:
152050
Hom.:
0
Cov.:
32
AF XY:
0.0000404
AC XY:
3
AN XY:
74262
show subpopulations
African (AFR)
AF:
0.000169
AC:
7
AN:
41374
American (AMR)
AF:
0.00
AC:
0
AN:
15270
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5182
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4832
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10620
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
67984
Other (OTH)
AF:
0.00
AC:
0
AN:
2090
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.539
Heterozygous variant carriers
0
1
1
2
2
3
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.0000263
Hom.:
0
Bravo
AF:
0.0000680
ESP6500AA
AF:
0.000227
AC:
1
ESP6500EA
AF:
0.00
AC:
0

ClinVar

ClinVar submissions
Significance:Likely benign
Revision:criteria provided, single submitter
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
-
1
Familial hemolytic anemia (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.061
BayesDel_addAF
Benign
-0.13
T
BayesDel_noAF
Benign
-0.42
CADD
Benign
19
DANN
Benign
0.90
DEOGEN2
Benign
0.022
T
Eigen
Benign
-0.37
Eigen_PC
Benign
-0.23
FATHMM_MKL
Benign
0.52
D
LIST_S2
Benign
0.71
T
M_CAP
Benign
0.036
D
MetaRNN
Benign
0.087
T
MetaSVM
Benign
-0.83
T
MutationAssessor
Benign
1.6
L
PhyloP100
1.0
PrimateAI
Benign
0.37
T
PROVEAN
Benign
-2.0
N
REVEL
Benign
0.057
Sift
Benign
0.26
T
Sift4G
Benign
0.092
T
Polyphen
0.16
B
Vest4
0.24
MVP
0.48
MPC
0.30
ClinPred
0.062
T
GERP RS
2.9
Varity_R
0.085
gMVP
0.20
Mutation Taster
=85/15
polymorphism

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.00014
dbscSNV1_RF
Benign
0.048
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

Other links and lift over

dbSNP: rs372733273; hg19: chr14-65233518; API