chr1-108465355-C-T
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Variant summary
Our verdict is Likely benign. Variant got -6 ACMG points: 0P and 6B. BP4_ModerateBS2
The NM_001143988.2(NBPF6):c.1591C>T(p.Arg531Trp) variant causes a missense change involving the alteration of a non-conserved nucleotide. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).
Frequency
Genomes: 𝑓 0.000023 ( 0 hom., cov: 11)
Exomes 𝑓: 0.000024 ( 6 hom. )
Consequence
NBPF6
NM_001143988.2 missense
NM_001143988.2 missense
Scores
2
15
Clinical Significance
Conservation
PhyloP100: 0.00600
Genes affected
NBPF6 (HGNC:31988): (NBPF member 6) This gene is a member of the neuroblastoma breakpoint family (NBPF) which consists of dozens of recently duplicated genes primarily located in segmental duplications on human chromosome 1. This gene family has experienced its greatest expansion within the human lineage and has expanded, to a lesser extent, among primates in general. Members of this gene family are characterized by tandemly repeated copies of DUF1220 protein domains. Gene copy number variations in the human chromosomal region 1q21.1, where most DUF1220 domains are located, have been implicated in a number of developmental and neurogenetic diseases such as microcephaly, macrocephaly, autism, schizophrenia, cognitive disability, congenital heart disease, neuroblastoma, and congenital kidney and urinary tract anomalies. Altered expression of some gene family members is associated with several types of cancer. This gene family contains numerous pseudogenes. Alternative splicing of this gene results in multiple transcript variants encoding distinct isoforms. [provided by RefSeq, Mar 2013]
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ACMG classification
Classification made for transcript
Verdict is Likely_benign. Variant got -6 ACMG points.
BP4
Computational evidence support a benign effect (MetaRNN=0.117302835).
BS2
High Homozygotes in GnomAdExome4 at 6 AR gene
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
NBPF6 | NM_001143988.2 | c.1591C>T | p.Arg531Trp | missense_variant | 13/15 | ENST00000495380.7 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
NBPF6 | ENST00000495380.7 | c.1591C>T | p.Arg531Trp | missense_variant | 13/15 | 5 | NM_001143988.2 | ||
NBPF6 | ENST00000531446.2 | c.1678C>T | p.Arg560Trp | missense_variant | 14/14 | 1 | |||
NBPF6 | ENST00000370040.7 | c.1678C>T | p.Arg560Trp | missense_variant | 14/16 | 5 | P1 |
Frequencies
GnomAD3 genomes AF: 0.0000230 AC: 2AN: 86946Hom.: 0 Cov.: 11
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GnomAD3 exomes AF: 0.0000464 AC: 5AN: 107814Hom.: 2 AF XY: 0.0000344 AC XY: 2AN XY: 58096
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GnomAD4 exome AF: 0.0000244 AC: 24AN: 984392Hom.: 6 Cov.: 17 AF XY: 0.0000326 AC XY: 16AN XY: 491216
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GnomAD4 genome AF: 0.0000230 AC: 2AN: 86946Hom.: 0 Cov.: 11 AF XY: 0.0000240 AC XY: 1AN XY: 41604
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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 submitter | clinical testing | Ambry Genetics | Feb 28, 2023 | The c.1678C>T (p.R560W) alteration is located in exon 14 (coding exon 13) of the NBPF6 gene. This alteration results from a C to T substitution at nucleotide position 1678, causing the arginine (R) at amino acid position 560 to be replaced by a tryptophan (W). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. - |
Computational scores
Source:
Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
BayesDel_addAF
Benign
T
BayesDel_noAF
Benign
CADD
Benign
DANN
Benign
Eigen
Benign
Eigen_PC
Benign
FATHMM_MKL
Benign
N
LIST_S2
Benign
T;T;T
M_CAP
Benign
T
MetaRNN
Benign
T;T;T
MetaSVM
Benign
T
MutationTaster
Benign
N;N;N;N
PrimateAI
Benign
T
PROVEAN
Benign
N;N;N
REVEL
Benign
Sift
Uncertain
D;D;D
Sift4G
Uncertain
D;D;D
Polyphen
0.99
.;D;.
Vest4
MutPred
0.38
.;Loss of disorder (P = 0.0061);.;
MVP
ClinPred
T
GERP RS
Varity_R
gMVP
Splicing
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SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at