diff --git a/.gitignore b/.gitignore
index 98b18d1b..025b3030 100644
--- a/.gitignore
+++ b/.gitignore
@@ -156,5 +156,7 @@ lightning_logs/*
 
 node_modules
 
+# lamindb
 test.ipynb
 test-perturbation
+test-bug
diff --git a/docs/usage/usage.md b/docs/usage/usage.md
index cc8b3420..228e4b0f 100644
--- a/docs/usage/usage.md
+++ b/docs/usage/usage.md
@@ -26,6 +26,7 @@ harmonized names and be loadable as MuData objects.
 .. autosummary::
     :toctree: data
 
+    data.PerturbationCurator
     data.adamson_2016_pilot
     data.adamson_2016_upr_epistasis
     data.adamson_2016_upr_perturb_seq
diff --git a/pertpy/data/_perturbation_validator.py b/pertpy/data/_perturbation_validator.py
index 4eb983d1..6024334a 100644
--- a/pertpy/data/_perturbation_validator.py
+++ b/pertpy/data/_perturbation_validator.py
@@ -2,8 +2,6 @@
 
 import anndata as ad
 import pandas as pd
-from django.core.exceptions import ImproperlyConfigured
-from lamin_utils import logger
 
 
 class _PerturbationValidatorUnavailable:
@@ -15,25 +13,31 @@ def __init__(self):
     import bionty as bt
     import wetlab as wl
     from cellxgene_lamin import CellxGeneFields, Curate
+    from django.core.exceptions import ImproperlyConfigured
+    from lamin_utils import logger
     from lamindb_setup.core.types import UPathStr
     from lnschema_core import Record
     from lnschema_core.types import FieldAttr
 
     pt_defaults = CellxGeneFields.OBS_FIELD_DEFAULTS | {
-        "genetic_treatments": pd.NA,
-        "compound_treatments": pd.NA,
-        "environmental_treatments": pd.NA,
-        "combination_treatments": pd.NA,
+        "cell_line": "unknown",
+        "genetic_treatments": "",
+        "compound_treatments": "",
+        "environmental_treatments": "",
+        "combination_treatments": "",
     }
 
     pt_categoricals = CellxGeneFields.OBS_FIELDS | {
+        "cell_line": bt.CellLine.name,
         "genetic_treatments": wl.GeneticTreatment.name,
-        "compound_treatments": wl.CombinationTreatment.name,
+        "compound_treatments": wl.CompoundTreatment.name,
         "environmental_treatments": wl.EnvironmentalTreatment.name,
         "combination_treatments": wl.CombinationTreatment.name,
     }
 
     pt_sources: dict[str, Record] = {
+        "depmap_id": bt.Source.filter(name="depmap").one(),
+        "cell_line": bt.Source.filter(name="depmap").one(),
         # "compound_treatments": bt.Source.filter(entity="Drug", name="chebi").first()
     }
 
diff --git a/pyproject.toml b/pyproject.toml
index 7612a826..3d631c64 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -84,6 +84,7 @@ dev = [
 validator = [
     "cellxgene-lamin",
     "wetlab",
+    "findrefs"
 ]
 doc = [
     "docutils>=0.8,!=0.18.*,!=0.19.*",