FAM3B

Chr 21

FAM3 metabolism regulating signaling molecule B

Also known as: 2-21, C21orf11, C21orf76, ORF9, PANDER, PRED44

Predicted to enable cytokine activity. Involved in insulin secretion. Located in extracellular exosome. [provided by Alliance of Genome Resources, Jul 2025]

OMIMResearchGenerating clinical summary…
0
Active trials
15
Pubs (1 yr)
P/LP submissions
P/LP missense
1.54
LOEUF
DN
Mechanism· predicted

Population Genetics & Constraint

gnomAD v4 — loss-of-function & missense intolerance

Tolerant — LoF & missense variants common in population
LoF Constraint?
1.54LOEUF
pLI 0.000
Z-score 0.14
OE 0.96 (0.611.54)
Tolerant

Highly tolerant — LoF variants common in population

Missense Constraint?
0.46Z-score
OE missense 0.89 (0.761.03)
115 obs / 129.8 exp
Tolerant

Mild missense constraint

Observed / Expected Ratios?
LoF OE?0.96 (0.611.54)
00.351.4
Missense OE?0.89 (0.761.03)
00.61.4
Synonymous OE?1.09
01.21.6
LoF obs/exp: 12 / 12.5Missense obs/exp: 115 / 129.8Syn Z: -0.52

ClinVar Variant Classifications

0 submitted variants in ClinVar

Protein Context — Lollipop Plot

FAM3B · protein map & ClinVar variants

Showing all ClinVar variants across the protein. Search a specific variant to highlight its position.

Clinical Trials

Active and recruiting trials from ClinicalTrials.gov

No active trials found for this gene.

Search ClinicalTrials.gov →