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GeneBe

20-5922833-A-G

Variant summary

Our verdict is Benign. Variant got -10 ACMG points: 0P and 10B. BP4_StrongBP6_ModerateBS2

The NM_001819.3(CHGB):c.689A>G(p.His230Arg) variant causes a missense change. The variant allele was found at a frequency of 0.00172 in 1,614,188 control chromosomes in the GnomAD database, including 6 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★).

Frequency

Genomes: 𝑓 0.0015 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0017 ( 6 hom. )

Consequence

CHGB
NM_001819.3 missense

Scores

6
13

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: 6.31
Variant links:
Genes affected
CHGB (HGNC:1930): (chromogranin B) This gene encodes a tyrosine-sulfated secretory protein abundant in peptidergic endocrine cells and neurons. This protein may serve as a precursor for regulatory peptides. [provided by RefSeq, Jan 2009]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -10 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.011098206).
BP6
Variant 20-5922833-A-G is Benign according to our data. Variant chr20-5922833-A-G is described in ClinVar as [Benign]. Clinvar id is 3038932.Status of the report is criteria_provided_single_submitter, 1 stars.
BS2
High Homozygotes in GnomAdExome at 2 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
CHGBNM_001819.3 linkuse as main transcriptc.689A>G p.His230Arg missense_variant 4/5 ENST00000378961.9

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
CHGBENST00000378961.9 linkuse as main transcriptc.689A>G p.His230Arg missense_variant 4/51 NM_001819.3 P1
CHGBENST00000455042.1 linkuse as main transcriptc.629A>G p.His210Arg missense_variant 5/53

Frequencies

GnomAD3 genomes
AF:
0.00146
AC:
223
AN:
152228
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000386
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000131
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00894
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00157
Gnomad OTH
AF:
0.00143
GnomAD3 exomes
AF:
0.00158
AC:
396
AN:
250396
Hom.:
2
AF XY:
0.00143
AC XY:
194
AN XY:
135682
show subpopulations
Gnomad AFR exome
AF:
0.000375
Gnomad AMR exome
AF:
0.000232
Gnomad ASJ exome
AF:
0.0000996
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00920
Gnomad NFE exome
AF:
0.00157
Gnomad OTH exome
AF:
0.000656
GnomAD4 exome
AF:
0.00174
AC:
2550
AN:
1461842
Hom.:
6
Cov.:
63
AF XY:
0.00165
AC XY:
1198
AN XY:
727218
show subpopulations
Gnomad4 AFR exome
AF:
0.000269
Gnomad4 AMR exome
AF:
0.000157
Gnomad4 ASJ exome
AF:
0.000268
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000696
Gnomad4 FIN exome
AF:
0.00729
Gnomad4 NFE exome
AF:
0.00184
Gnomad4 OTH exome
AF:
0.00137
GnomAD4 genome
AF:
0.00146
AC:
223
AN:
152346
Hom.:
0
Cov.:
32
AF XY:
0.00165
AC XY:
123
AN XY:
74506
show subpopulations
Gnomad4 AFR
AF:
0.000385
Gnomad4 AMR
AF:
0.000131
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00894
Gnomad4 NFE
AF:
0.00157
Gnomad4 OTH
AF:
0.00142
Alfa
AF:
0.00140
Hom.:
0
Bravo
AF:
0.000899
TwinsUK
AF:
0.00189
AC:
7
ALSPAC
AF:
0.00104
AC:
4
ESP6500AA
AF:
0.000227
AC:
1
ESP6500EA
AF:
0.000930
AC:
8
ExAC
AF:
0.00137
AC:
166
EpiCase
AF:
0.00131
EpiControl
AF:
0.00136

ClinVar

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

Submissions by phenotype

CHGB-related disorder Benign:1
Benign, criteria provided, single submitterclinical testingPreventionGenetics, part of Exact SciencesDec 02, 2019This variant is classified as benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.19
BayesDel_addAF
Benign
-0.41
T
BayesDel_noAF
Benign
-0.37
Cadd
Benign
21
Dann
Uncertain
1.0
DEOGEN2
Benign
0.21
T;T
Eigen
Uncertain
0.50
Eigen_PC
Uncertain
0.45
FATHMM_MKL
Uncertain
0.96
D
LIST_S2
Benign
0.76
T;T
M_CAP
Benign
0.015
T
MetaRNN
Benign
0.011
T;T
MetaSVM
Benign
-1.1
T
MutationAssessor
Uncertain
2.1
M;.
MutationTaster
Benign
0.97
N
PrimateAI
Benign
0.34
T
PROVEAN
Benign
-2.2
N;D
REVEL
Benign
0.20
Sift
Uncertain
0.0070
D;D
Sift4G
Benign
0.29
T;T
Polyphen
0.95
P;.
Vest4
0.21
MVP
0.68
MPC
0.51
ClinPred
0.052
T
GERP RS
5.5
Varity_R
0.13
gMVP
0.27

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: rs138343696; hg19: chr20-5903479; COSMIC: COSV99072364; COSMIC: COSV99072364; API