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KDM5B p.Ser1271=

c.3813G>A · rs185116953 · VCV2639793

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
rare (popmax 0.167%, eas)

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
ConservationphyloP -12GERP -3.7
Overall
CADD0.182PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.167% East Asian · 75/44,876 alleles
Filtering AF 0.137% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.125%
Overall 0.00966% 156/1,614,124 alleles · rare
Ancestry group Frequency 1 in
East Asiangrpmax 0.167% 598
Remaining individualsnot grpmax-eligible 0.088% 1,137
South Asian 0.0165% 6,072
African / African-American 0.004% 25,015
Admixed American 0.00333% 30,004
European (non-Finnish) 0.000508% 196,668

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
KDM5B
Protein
p.Ser1271=
Coding
c.3813G>A
MANE Select
NM_006618
dbSNP
rs185116953
Type
single nucleotide variant
Location
chr1:202733497 (GRCh38)
Gene constraint
LOEUF 0.858 · pLI <0.01 · ClinGen HI gene assoc. with recessive phenotype (gnomAD)
Structure
AlphaFold pLDDT 72.52 · 56 PDB
Residue 1271
a UniProt-annotated variant site (in mrt65)
Full KDM5B gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

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/kdm5b-p-ser1271 (accessed [today's date]).

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