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GeneBe

14-74023020-G-A

Variant summary

Our verdict is Uncertain significance. Variant got 1 ACMG points: 2P and 1B. PM2BP4

The NM_025057.3(BBOF1):c.161G>A(p.Arg54His) variant causes a missense change. The variant allele was found at a frequency of 0.0000441 in 1,610,070 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00014 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000034 ( 0 hom. )

Consequence

BBOF1
NM_025057.3 missense

Scores

1
8
10

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 6.18
Variant links:
Genes affected
BBOF1 (HGNC:19855): (basal body orientation factor 1) Predicted to be involved in motile cilium assembly. Predicted to be located in ciliary basal body. [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 1 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.38158417).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
BBOF1NM_025057.3 linkuse as main transcriptc.161G>A p.Arg54His missense_variant 2/12 ENST00000394009.5

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
BBOF1ENST00000394009.5 linkuse as main transcriptc.161G>A p.Arg54His missense_variant 2/122 NM_025057.3 P1
BBOF1ENST00000463558.3 linkuse as main transcriptc.-136+3486G>A intron_variant 2
BBOF1ENST00000464394.5 linkuse as main transcriptc.-136+3486G>A intron_variant 3
BBOF1ENST00000489323.5 linkuse as main transcriptn.89+3486G>A intron_variant, non_coding_transcript_variant 4

Frequencies

GnomAD3 genomes
AF:
0.000145
AC:
22
AN:
152204
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000531
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
GnomAD3 exomes
AF:
0.0000612
AC:
15
AN:
245182
Hom.:
0
AF XY:
0.0000525
AC XY:
7
AN XY:
133250
show subpopulations
Gnomad AFR exome
AF:
0.000798
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000334
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000180
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000336
AC:
49
AN:
1457748
Hom.:
0
Cov.:
30
AF XY:
0.0000303
AC XY:
22
AN XY:
725168
show subpopulations
Gnomad4 AFR exome
AF:
0.00105
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000233
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000992
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
AF:
0.000144
AC:
22
AN:
152322
Hom.:
0
Cov.:
32
AF XY:
0.000174
AC XY:
13
AN XY:
74504
show subpopulations
Gnomad4 AFR
AF:
0.000529
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000225
Hom.:
0
Bravo
AF:
0.000208
ExAC
AF:
0.0000416
AC:
5

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 GeneticsDec 01, 2022The c.161G>A (p.R54H) alteration is located in exon 2 (coding exon 2) of the BBOF1 gene. This alteration results from a G to A substitution at nucleotide position 161, causing the arginine (R) at amino acid position 54 to be replaced by a histidine (H). 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
0.26
BayesDel_addAF
Benign
-0.26
T
BayesDel_noAF
Benign
-0.24
Cadd
Pathogenic
30
Dann
Pathogenic
1.0
DEOGEN2
Benign
0.053
T
Eigen
Uncertain
0.66
Eigen_PC
Uncertain
0.62
FATHMM_MKL
Uncertain
0.89
D
LIST_S2
Uncertain
0.86
D
M_CAP
Benign
0.0084
T
MetaRNN
Benign
0.38
T
MetaSVM
Benign
-1.0
T
MutationAssessor
Uncertain
2.7
M
MutationTaster
Benign
1.0
D
PrimateAI
Benign
0.48
T
PROVEAN
Uncertain
-3.1
D
REVEL
Benign
0.15
Sift
Uncertain
0.015
D
Sift4G
Uncertain
0.016
D
Polyphen
1.0
D
Vest4
0.58
MVP
0.72
MPC
0.47
ClinPred
0.46
T
GERP RS
4.7
Varity_R
0.24
gMVP
0.42

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: rs757872366; hg19: chr14-74489723; API