LAP3

Chr 4

leucine aminopeptidase 3

Also known as: HEL-S-106, LAP, LAPEP, PEPS

Predicted to enable peptidase activity. Predicted to be involved in proteolysis. Located in several cellular components, including extracellular exosome; focal adhesion; and mitochondrion. [provided by Alliance of Genome Resources, Jul 2025]

OMIMResearchGenerating clinical summary…
12
Active trials
26
Pubs (1 yr)
P/LP submissions
P/LP missense
0.90
LOEUF
DN
Mechanism· predicted

Population Genetics & Constraint

gnomAD v4 — loss-of-function & missense intolerance

Tolerant — LoF & missense variants common in population
LoF Constraint?
0.90LOEUF
pLI 0.000
Z-score 1.96
OE 0.58 (0.390.90)
Tolerant

Typical tolerance to LoF variation

Missense Constraint?
1.09Z-score
OE missense 0.82 (0.740.91)
246 obs / 299.2 exp
Tolerant

Mild missense constraint

Observed / Expected Ratios?
LoF OE?0.58 (0.390.90)
00.351.4
Missense OE?0.82 (0.740.91)
00.61.4
Synonymous OE?1.03
01.21.6
LoF obs/exp: 15 / 25.7Missense obs/exp: 246 / 299.2Syn Z: -0.28

ClinVar Variant Classifications

0 submitted variants in ClinVar

Protein Context — Lollipop Plot

LAP3 · 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

WHIMWartsHypogammaglobulinemia

Base-Edited Hematopoietic Stem/Progenitor Cell Gene Therapy for Treatment of CXCR4-WHIM

NOT YET RECRUITING
NCT07775313Phase PHASE1, PHASE2National Institute of Allergy and Infectious Diseases (NIAID)Started 2026-09-16
BusulfanPaliferminPlerixafor
Systemic Sclerosis (SSc)

Tissue Modeling in Systemic Sclerosis Using Induced Pluripotent Stem Cells (iPSCs)

NOT YET RECRUITING
NCT07650565Phase NAUniversity Hospital, MontpellierStarted 2026-09
Blood Sample Collection
Relapsed/Refractory T-lymphoblastic Leukemia/Lymphoma

U69-CART-Cells For R/R T-ALL

RECRUITING
NCT07350863Phase PHASE1The First Affiliated Hospital of Soochow UniversityStarted 2026-10-25
CXCR4 CCR9 CAR-T
Gastric and Cardia Adenocarcinomas

Biomoleculars Markers of Sensitivity to Pre- and Post-operative Chemotherapy of Gastric and Cardia Adenocarcinomas: a Pilot Study

RECRUITING
NCT02491840Phase NAUniversity Hospital, Strasbourg, FranceStarted 2016-05
Biopsy
Waldenström Macroglobulinemia (WM)

Ibrutinib Followed by BR (Bendamustine and Rituximab) as a Time-Limited Therapy for Waldenström Macroglobulinemia

NOT YET RECRUITING
NCT07169565Phase PHASE1Institute of Hematology & Blood Diseases Hospital, ChinaStarted 2025-09-01
IbrutinibBendamustineRituximab
Primary MyelofibrosisSecondary Myelofibrosis

Decitabine in Treating Patients With Myelofibrosis

ACTIVE NOT RECRUITING
NCT00095784Phase PHASE2National Cancer Institute (NCI)Started 2004-09-29
DecitabineLaboratory Biomarker Analysis
Acute Myeloid LeukemiaMeasurable Residual Disease

Motixafortide for MRD Sensitization in AML

RECRUITING
NCT07392970Phase PHASE2Washington University School of MedicineStarted 2026-07-23
Motixafortide
Coronary Disease

Genetic Polymorphism Associated With Coronary Heart Disease Susceptibility and Variability of Clopidogrel Response

ACTIVE NOT RECRUITING
NCT03373552Hôpital Universitaire Fattouma BourguibaStarted 2015-08-12
Platelet function assay
Multiple Myeloma

Relevance of [68Ga]Ga -PentixaFor-PET for Initial Staging and Therapeutic Evaluation of Multiple Myeloma

ACTIVE NOT RECRUITING
NCT04561492Phase PHASE2Nantes University HospitalStarted 2021-09-21
[68Ga]Ga-PentixaFor
Waldenstrom's DiseasePrognostic Index

Prognostic Analyses on a Validation Series of Patients With Waldenström's Disease

RECRUITING
NCT05911802French Innovative Leukemia OrganisationStarted 2023-08-11
Mesothelioma

New Preclinical and Clinical Approaches to Mesothelioma

RECRUITING
NCT06536179Marco Emilio BianchiStarted 2024-07-25
Waldenstrom's DiseaseWaldenstrom Macroglobulinemia

Prognostic Value of Circulating Tumoral DNA After the First 6 Months of Treatment in Patients With Waldenström Macroglobulinemia

RECRUITING
NCT04893564Phase NACentre Hospitalier Universitaire, AmiensStarted 2022-05-16
bone marrow sampleblood sample