Is GALC p.Ser434= (c.1302C>T) pathogenic?

GALC p.Ser434= (c.1302C>T) is classified Benign/Likely benign in GALC (ClinVar, Multiple submitters, 8 submitters; last evaluated 2026-02-04). Low-frequency (popmax 3.67%, eas); Associated with Krabbe disease.

What condition is associated with GALC p.Ser434= (c.1302C>T)?

GALC p.Ser434= (c.1302C>T) is associated with Krabbe disease (ClinVar).

How common is GALC p.Ser434= (c.1302C>T) in the general population?

GALC p.Ser434= (c.1302C>T) is low-frequency (popmax 3.67%, eas) (gnomAD).

How is Krabbe disease inherited?

Typically Autosomal recessive (Orphanet). A genetic counselor can assess individual risk for a family.

GALC p.Ser434=

c.1302C>T · rs3213918 · VCV255370

Benign/Likely benign Multiple submitters

Classification

Benign/Likely benign

ClinVar

Review

Multiple submitters ★★☆☆

ClinVar · 8 submitters

gnomAD v4.1

Rare

low-frequency (popmax 3.67%, eas)

Conditions

Krabbe disease

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP -5.7	GERP -4.3
Overall
CADD	1.086	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 3.67% East Asian · 1,638/44,598 alleles

Filtering AF 3.52% ClinGen BA1/BS1 input FAF95, joint · FAF99 3.46%

Overall 0.517% 8,270/1,598,544 alleles · low-frequency

Ancestry group	Frequency	1 in
East Asiangrpmax	3.67%	27
South Asian	2.39%	42
Middle Eastern	1.18%	85
African / African-American	1.17%	85
Remaining individualsnot grpmax-eligible	0.894%	112
Admixed American	0.645%	155
European (non-Finnish)	0.22%	454
Ashkenazi Jewishnot grpmax-eligible	0.0306%	3,270
Finnishnot grpmax-eligible	0.00313%	31,939

Rarity supports pathogenicity (ACMG PM2); frequency above a disease-specific BA1/BS1 threshold argues against it. A variant frequent in one ancestry group can be near-absent in others, so a single global figure can mislead.

Variant & gene context

Gene: GALC
Protein: p.Ser434=
Coding: c.1302C>T
MANE Select: NM_000153
dbSNP: rs3213918
Type: single nucleotide variant
Location: chr14:87949881 (GRCh38)
Gene constraint: LOEUF 1.019 · pLI <0.01 (gnomAD)
Structure: AlphaFold pLDDT 94.56

Full GALC gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

Krabbe disease — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

For Krabbe disease (Orphanet):

Inheritance: Autosomal recessive
Onset: Adolescent, Adult, Childhood, Infancy, Neonatal
Prevalence: 1-9 / 1 000 000 (United States)

Similar variants

GALC c.1033+1G>A Likely pathogenic ★★ same condition
GALC c.1034-1G>C Pathogenic/Likely pathogenic ★★ same condition
GALC c.1034-2A>G Pathogenic/Likely pathogenic ★★ same condition
GALC c.1161+2T>A Likely pathogenic ★★ same condition
GALC c.1251+1G>C Pathogenic/Likely pathogenic ★★ same condition
GALC c.1252-1G>C Pathogenic/Likely pathogenic ★★ same condition
GALC c.1338+1G>C Likely pathogenic ★★ same condition
GALC c.1671-1G>A Pathogenic/Likely pathogenic ★★ same condition

Built on 18 open, versioned datasets — ClinVar, gnomAD, AlphaMissense, REVEL, ClinGen & more — plus Sugi Variant's own cross-source analysis. Source data 2026-01–2026-10, ClinVar 2026-10. Full sources & versions →

Cite Sugi Variant

Gür T. Sugi Variant: A Deterministic Per-Variant Germline Reference from a Knowledge Graph for Humans and AI Agents. 2026. doi:10.5281/zenodo.21509445. This variant: https://sugi.bio/variant/galc-p-ser434 (accessed [today's date]).

Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown