diff --git a/exercises/protein-translation/canonical-data.json b/exercises/protein-translation/canonical-data.json
new file mode 100644
index 0000000000..0555c98488
--- /dev/null
+++ b/exercises/protein-translation/canonical-data.json
@@ -0,0 +1,153 @@
+{
+  "exercise": "protein-translation",
+  "version": "1.0.0",
+  "cases": [
+    {
+      "description": "Translate input RNA sequences into proteins",
+      "comments": [
+        "Returns the name of the protein if given RNA is valid, "
+      , "else throws an error. "
+      ],
+      "cases": [
+        {
+          "description": "Methionine RNA sequence",
+          "property": "proteins",
+          "strand": "AUG",
+          "expected": ["Methionine"]
+        },
+        {
+          "description": "Phenylalanine RNA sequence 1",
+          "property": "proteins",
+          "strand": "UUU",
+          "expected": ["Phenylalanine"]
+        },
+        {
+          "description": "Phenylalanine RNA sequence 2",
+          "property": "proteins",
+          "strand": "UUC",
+          "expected": ["Phenylalanine"]
+        },
+        {
+          "description": "Leucine RNA sequence 1",
+          "property": "proteins",
+          "strand": "UUA",
+          "expected": ["Leucine"]
+        },
+        {
+          "description": "Leucine RNA sequence 2",
+          "property": "proteins",
+          "strand": "UUG",
+          "expected": ["Leucine"]
+        },
+        {
+          "description": "Serine RNA sequence 1",
+          "property": "proteins",
+          "strand": "UCU",
+          "expected": ["Serine"]
+        },
+        {
+          "description": "Serine RNA sequence 2",
+          "property": "proteins",
+          "strand": "UCC",
+          "expected": ["Serine"]
+        },
+        {
+          "description": "Serine RNA sequence 3",
+          "property": "proteins",
+          "strand": "UCA",
+          "expected": ["Serine"]
+        },
+        {
+          "description": "Serine RNA sequence 4",
+          "property": "proteins",
+          "strand": "UCG",
+          "expected": ["Serine"]
+        },
+        {
+          "description": "Tyrosine RNA sequence 1",
+          "property": "proteins",
+          "strand": "UAU",
+          "expected": ["Tyrosine"]
+        },
+        {
+          "description": "Tyrosine RNA sequence 2",
+          "property": "proteins",
+          "strand": "UAC",
+          "expected": ["Tyrosine"]
+        },
+        {
+          "description": "Cysteine RNA sequence 1",
+          "property": "proteins",
+          "strand": "UGU",
+          "expected": ["Cysteine"]
+        },
+        {
+          "description": "Cysteine RNA sequence 2",
+          "property": "proteins",
+          "strand": "UGC",
+          "expected": ["Cysteine"]
+        },
+        {
+          "description": "Tryptophan RNA sequence",
+          "property": "proteins",
+          "strand": "UGG",
+          "expected": ["Tryptophan"]
+        },
+        {
+          "description": "STOP codon RNA sequence 1",
+          "property": "proteins",
+          "strand": "UAA",
+          "expected": []
+        },
+        {
+          "description": "STOP codon RNA sequence 2",
+          "property": "proteins",
+          "strand": "UAG",
+          "expected": []
+        },
+        {
+          "description": "STOP codon RNA sequence 3",
+          "property": "proteins",
+          "strand": "UGA",
+          "expected": []
+        },
+        {
+          "description": "Translate RNA strand into correct protein list",
+          "property": "proteins",
+          "strand": "AUGUUUUGG",
+          "expected": ["Methionine","Phenylalanine","Tryptophan"]
+        },
+        {
+          "description": "Translation stops if STOP codon at beginning of sequence",
+          "property": "proteins",
+          "strand": "UAGUGG",
+          "expected": []
+        },
+        {
+          "description": "Translation stops if STOP codon at end of two-codon sequence",
+          "property": "proteins",
+          "strand": "UGGUAG",
+          "expected": ["Tryptophan"]
+        },
+        {
+          "description": "Translation stops if STOP codon at end of three-codon sequence",
+          "property": "proteins",
+          "strand": "AUGUUUUAA",
+          "expected": ["Methionine","Phenylalanine"]
+        },
+        {
+          "description": "Translation stops if STOP codon in middle of sequence of three-codon sequence",
+          "property": "proteins",
+          "strand": "UGGUAGUGG",
+          "expected": ["Tryptophan"]
+        },
+        {
+          "description": "Translation stops if codon in middle of sequence of six-codon sequence",
+          "property": "proteins",
+          "strand": "UGGUGUUAUUAAUGGUUU",
+          "expected": ["Tryptophan","Cysteine","Tyrosine"]
+        }
+      ]
+    }
+  ]
+}
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