diff --git a/.gitignore b/.gitignore
index 659c36b..72cf713 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,3 +13,4 @@ basicrta-*/
 
 # macOS garbage
 .DS_Store
+build/
diff --git a/basicrta/tests/data/prestin/pape1_20ns.xtc b/basicrta/tests/data/prestin/pape1_20ns.xtc
new file mode 100644
index 0000000..e80f205
Binary files /dev/null and b/basicrta/tests/data/prestin/pape1_20ns.xtc differ
diff --git a/basicrta/tests/data/prestin/pape2_20ns.xtc b/basicrta/tests/data/prestin/pape2_20ns.xtc
new file mode 100644
index 0000000..6e586be
Binary files /dev/null and b/basicrta/tests/data/prestin/pape2_20ns.xtc differ
diff --git a/basicrta/tests/data/prestin/pape3_20ns.xtc b/basicrta/tests/data/prestin/pape3_20ns.xtc
new file mode 100644
index 0000000..4ecb9b5
Binary files /dev/null and b/basicrta/tests/data/prestin/pape3_20ns.xtc differ
diff --git a/basicrta/tests/data/prestin/protein_pape1.pdb.bz2 b/basicrta/tests/data/prestin/protein_pape1.pdb.bz2
new file mode 100644
index 0000000..bc3006f
Binary files /dev/null and b/basicrta/tests/data/prestin/protein_pape1.pdb.bz2 differ
diff --git a/basicrta/tests/data/prestin/protein_pape2.pdb.bz2 b/basicrta/tests/data/prestin/protein_pape2.pdb.bz2
new file mode 100644
index 0000000..8269f4c
Binary files /dev/null and b/basicrta/tests/data/prestin/protein_pape2.pdb.bz2 differ
diff --git a/basicrta/tests/data/prestin/protein_pape3.pdb.bz2 b/basicrta/tests/data/prestin/protein_pape3.pdb.bz2
new file mode 100644
index 0000000..eac781f
Binary files /dev/null and b/basicrta/tests/data/prestin/protein_pape3.pdb.bz2 differ
diff --git a/basicrta/tests/datafiles.py b/basicrta/tests/datafiles.py
index 9f825a2..c347912 100644
--- a/basicrta/tests/datafiles.py
+++ b/basicrta/tests/datafiles.py
@@ -30,6 +30,15 @@
 times = np.load((_data_ref / 'times.npy').as_posix())
 PDB = (_data_ref / 'prot_chol.pdb').as_posix()
 XTC = (_data_ref / 'prot_chol.xtc').as_posix()
+PDB_PAPE_1 = (_data_ref / 'prestin' /'protein_pape1.pdb.bz2').as_posix()
+XTC_PAPE_1 =  (_data_ref / 'prestin' /'pape1_20ns.xtc').as_posix()
+PDB_PAPE_2 = (_data_ref / 'prestin' /'protein_pape2.pdb.bz2').as_posix()
+XTC_PAPE_2 =  (_data_ref / 'prestin' /'pape2_20ns.xtc').as_posix()
+PDB_PAPE_3 = (_data_ref / 'prestin' /'protein_pape3.pdb.bz2').as_posix()
+XTC_PAPE_3 =  (_data_ref / 'prestin' /'pape3_20ns.xtc').as_posix()
+
+
+
 # This should be the last line: clean up namespace
 del resources