Is ANKH p.Ala445= (c.1335C>T) pathogenic?

ANKH p.Ala445= (c.1335C>T) is classified Likely benign in ANKH (ClinVar, Single submitter, 1 submitter; last evaluated 2021-03-20). Very rare (popmax 0.00134%, afr).

How common is ANKH p.Ala445= (c.1335C>T) in the general population?

ANKH p.Ala445= (c.1335C>T) is very rare (popmax 0.00134%, afr) (gnomAD).

ANKH p.Ala445=

c.1335C>T · rs754282464 · VCV1538506

Likely benign Single submitter

Classification

Likely benign

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

gnomAD v4.1

Rare

very rare (popmax 0.00134%, afr)

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 3.7	GERP 1.6, phastCons 1
Overall
CADD	8.803	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.00134% African / African-American · 1/74,902 alleles

Filtering AF 2.8e-05% ClinGen BA1/BS1 input FAF95, joint · FAF99 1.1e-05%

Overall 0.000186% 3/1,612,724 alleles · very rare

Ancestry group	Frequency	1 in
African / African-Americangrpmax	0.00134%	74,902
European (non-Finnish)	0.00017%	589,838

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: ANKH
Protein: p.Ala445=
Coding: c.1335C>T
MANE Select: NM_054027
dbSNP: rs754282464
Type: single nucleotide variant
Location: chr5:14712904 (GRCh38)
Gene constraint: LOEUF 0.463 · pLI 1.00 · ClinGen HI 0/3 (gnomAD)
Structure: AlphaFold pLDDT 84.57

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

Similar variants

ANKH p.Ala445Thr Conflicting classifications of pathogenicity ★ ⚠ same residue
ANKH c.1142-4A>G Pathogenic/Likely pathogenic ★★ same type
ANKH c.96+5G>A Uncertain significance ★★ same type
ANKH c.*3752G>A Uncertain significance ★★ same type
ANKH p.Ala136Thr Uncertain significance ★★ ⚠ same type
ANKH p.Ala201Thr Uncertain significance ★★ ⚠ same type
ANKH p.Ala448Thr Uncertain significance ★★ ⚠ same type
ANKH p.Arg453Gln Uncertain significance ★★ ⚠ same type

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/ankh-p-ala445 (accessed [today's date]).

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