6-149595229-G-C
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Variant summary
Our verdict is Uncertain significance. Variant got 4 ACMG points: 4P and 0B. PM2PP3_Moderate
The NM_007044.4(KATNA1):āc.1283C>Gā(p.Ala428Gly) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000141 in 1,612,272 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (ā ).
Frequency
Genomes: š 0.000066 ( 0 hom., cov: 32)
Exomes š: 0.00015 ( 0 hom. )
Consequence
KATNA1
NM_007044.4 missense
NM_007044.4 missense
Scores
7
10
1
Clinical Significance
Conservation
PhyloP100: 10.0
Genes affected
KATNA1 (HGNC:6216): (katanin catalytic subunit A1) Microtubules, polymers of alpha and beta tubulin subunits, form the mitotic spindle of a dividing cell and help to organize membranous organelles during interphase. Katanin is a heterodimer that consists of a 60 kDa ATPase (p60 subunit A 1) and an 80 kDa accessory protein (p80 subunit B 1). The p60 subunit acts to sever and disassemble microtubules, while the p80 subunit targets the enzyme to the centrosome. This gene encodes the p80 subunit. This protein is a member of the AAA family of ATPases. Multiple alternatively spliced variants, encoding the same protein, have been identified. [provided by RefSeq, Feb 2011]
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ACMG classification
Classification made for transcript
Verdict is Uncertain_significance. Variant got 4 ACMG points.
PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.881
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | Protein | UniProt |
---|---|---|---|---|---|---|---|---|
KATNA1 | NM_007044.4 | c.1283C>G | p.Ala428Gly | missense_variant | 11/11 | ENST00000367411.7 | NP_008975.1 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Protein | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|---|
KATNA1 | ENST00000367411.7 | c.1283C>G | p.Ala428Gly | missense_variant | 11/11 | 2 | NM_007044.4 | ENSP00000356381 | P1 | |
KATNA1 | ENST00000335647.9 | c.1283C>G | p.Ala428Gly | missense_variant | 10/10 | 1 | ENSP00000335106 | P1 | ||
KATNA1 | ENST00000335643.12 | c.928C>G | p.Arg310Gly | missense_variant | 8/8 | 1 | ENSP00000335180 | |||
ENST00000648980.1 | n.1398+690G>C | intron_variant, non_coding_transcript_variant |
Frequencies
GnomAD3 genomes AF: 0.0000657 AC: 10AN: 152132Hom.: 0 Cov.: 32
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GnomAD3 exomes AF: 0.0000399 AC: 10AN: 250848Hom.: 0 AF XY: 0.0000443 AC XY: 6AN XY: 135588
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GnomAD4 exome AF: 0.000149 AC: 218AN: 1460140Hom.: 0 Cov.: 31 AF XY: 0.000143 AC XY: 104AN XY: 726212
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GnomAD4 genome AF: 0.0000657 AC: 10AN: 152132Hom.: 0 Cov.: 32 AF XY: 0.0000135 AC XY: 1AN XY: 74320
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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 | May 10, 2024 | The c.1283C>G (p.A428G) alteration is located in exon 11 (coding exon 10) of the KATNA1 gene. This alteration results from a C to G substitution at nucleotide position 1283, causing the alanine (A) at amino acid position 428 to be replaced by a glycine (G). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. - |
Computational scores
Source:
Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
BayesDel_addAF
Pathogenic
D
BayesDel_noAF
Pathogenic
CADD
Pathogenic
DANN
Uncertain
DEOGEN2
Uncertain
T;T
Eigen
Uncertain
Eigen_PC
Uncertain
FATHMM_MKL
Pathogenic
D
LIST_S2
Pathogenic
.;D
M_CAP
Uncertain
D
MetaRNN
Pathogenic
D;D
MetaSVM
Uncertain
D
MutationTaster
Benign
D;D;D
PrimateAI
Uncertain
T
PROVEAN
Uncertain
D;D
REVEL
Pathogenic
Sift
Uncertain
D;D
Sift4G
Uncertain
D;D
Polyphen
D;D
Vest4
MVP
MPC
1.3
ClinPred
D
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