Genetic Variant GAL:p.Ser26Trp (chr11-68685000-C-G) – ACMG Classification: Likely_benign (-5 pts)

Variant summary

Our verdict is Likely benign. The variant received -5 ACMG points: 0P and 5B. BP4BS2

The NM_015973.5(GAL):c.77C>G(p.Ser26Trp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000416 in 1,441,732 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/22 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. S26L) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 0.0000042 ( 0 hom. )

Consequence

GAL
NM_015973.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -0.153

Publications

0 publications found

Variant links:

Genes affected

GAL (HGNC:4114): (galanin and GMAP prepropeptide) This gene encodes a neuroendocrine peptide that is widely expressed in the central and peripheral nervous systems and also the gastrointestinal tract, pancreas, adrenal gland and urogenital tract. The encoded protein is a precursor that is proteolytically processed to generate two mature peptides: galanin and galanin message-associated peptide (GMAP). Galanin has diverse physiological functions including nociception, feeding and energy homeostasis, osmotic regulation and water balance. GMAP has been demonstrated to possess antifungal activity and hypothesized to be part of the innate immune system. [provided by RefSeq, Jul 2015]

GAL Gene-Disease associations (from GenCC):

familial temporal lobe epilepsy 8
Inheritance: AD Classification: LIMITED Submitted by: Labcorp Genetics (formerly Invitae)

GAL links:

LOC107984343 (HGNC:):

LOC107984343 links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -5 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.26586735).

BS2

High AC in GnomAdExome4 at 6 AD gene.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_015973.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	GAL	NM_015973.5	MANE Select	c.77C>G	p.Ser26Trp	missense	Exon 2 of 6	NP_057057.2

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
GAL	ENST00000265643.4	TSL:1 MANE Select	c.77C>G	p.Ser26Trp	missense	Exon 2 of 6	ENSP00000265643.3	P22466
GAL	ENST00000933457.1		c.77C>G	p.Ser26Trp	missense	Exon 2 of 7	ENSP00000603516.1
GAL	ENST00000933456.1		c.77C>G	p.Ser26Trp	missense	Exon 2 of 6	ENSP00000603515.1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

0.00000416

AC:

AN:

1441732

Hom.:

Cov.:

AF XY:

0.00000419

AC XY:

AN XY:

716198

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33034

American (AMR)

AF:

0.00

AC:

AN:

43472

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25692

East Asian (EAS)

AF:

0.00

AC:

AN:

38998

South Asian (SAS)

AF:

0.00

AC:

AN:

83576

European-Finnish (FIN)

AF:

0.00

AC:

AN:

50982

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5640

European-Non Finnish (NFE)

AF:

0.00000454

AC:

AN:

1100776

Other (OTH)

AF:

0.0000168

AC:

AN:

59562

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.400

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<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

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.15

BayesDel_addAF

Benign

-0.23

BayesDel_noAF

Benign

-0.57

CADD

Benign

(source)

DANN

Benign

0.97

DEOGEN2

Benign

0.33

Eigen

Benign

-0.44

Eigen_PC

Benign

-0.63

FATHMM_MKL

Benign

0.22

LIST_S2

Benign

0.79

M_CAP

Benign

0.034

MetaRNN

Benign

0.27

MetaSVM

Benign

-1.0

MutationAssessor

Benign

0.90

PhyloP100

-0.15

PrimateAI

Uncertain

0.69

PROVEAN

Benign

-1.7

REVEL

Benign

0.044

Sift

Benign

0.12

Sift4G

Uncertain

0.022

Polyphen

0.98

Vest4

0.43

MutPred

0.33

Loss of disorder (P = 0.0011)

MVP

0.58

MPC

0.48

ClinPred

0.47

GERP RS

0.34

PromoterAI

0.029

Neutral

(source)

Varity_R

0.037

gMVP

0.27

Mutation Taster

=94/6

polymorphism

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over