Singular

das

Protein

Q: Is it der, die, or das Protein?

It is das Protein. In German, every noun has a grammatical gender, and Protein is neuter. You should always learn the article together with the noun to ensure your German grammar is correct.

Q: What is the plural of das Protein?

The plural form of das Protein is die Proteine. In German, regardless of the singular gender, all plural nouns use the definite article “die.”

Q: What does das Protein mean in English?

The German word das Protein translates to “protein” in English.

Q: How do you decline das Protein?

Like all German nouns, Protein changes its article depending on the case. In the singular, the forms are: Nominativ: das Protein Akkusativ: das Protein Dativ: dem Protein Genitiv: des Proteins These changes are necessary because German uses cases to indicate the noun’s role in a sentence (such as the subject or object). Knowing these forms allows you to build grammatically correct sentences.

protein

Plural: die Proteine

Strong

Why does the noun Protein have the article das?

Chemical/scientific terms ending in -in (long i sound) are neuter.

Examples

das Benzin (gasoline), das Aspirin (aspirin), das Protein (protein), das Insulin (insulin), das Koffein (caffeine)

Exceptions

die Medizin (medicine) - not a chemical compound

View all words for this rule

Declension table for German noun Protein

How it changes across the four cases.

Case	Definite	Indefinite	Negative
Nominativ	das Protein	ein Protein	kein Protein
Akkusativ	das Protein	ein Protein	kein Protein
Dativ	dem Protein	einem Protein	keinem Protein
Genitiv	des Proteins	eines Proteins	keines Proteins
Nominativ	die Proteine	Proteine	keine Proteine
Akkusativ	die Proteine	Proteine	keine Proteine
Dativ	den Proteinen	Proteinen	keinen Proteinen
Genitiv	der Proteine	Proteine	keiner Proteine

Examples in context

Real sentences using Protein in different cases.

Case	Definite	Indefinite	Negative
Nominativ	Das neue Protein ist wichtig.The new protein is important.	Ein gutes Protein hilft dem Körper.A good protein helps the body.	Kein neues Protein ist da.No new protein is there.
Akkusativ	Ich brauche das neue Protein.I need the new protein.	Er isst ein gutes Protein.He eats a good protein.	Wir haben kein neues Protein.We have no new protein.
Dativ	Ich gebe dem neuen Protein Zeit.I give the new protein time.	Er hilft einem guten Protein.He helps a good protein.	Ich vertraue keinem neuen Protein.I trust no new protein.
Genitiv	Die Wirkung des neuen Proteins ist stark.The effect of the new protein is strong.	Der Nutzen eines guten Proteins ist klar.The benefit of a good protein is clear.	Die Analyse keines neuen Proteins ist einfach.The analysis of no new protein is simple.
Nominativ	Die neuen Proteine sind gesund.The new proteins are healthy.	Gute Proteine sind wichtig.Good proteins are important.	Keine neuen Proteine sind nötig.No new proteins are necessary.
Akkusativ	Wir kaufen die neuen Proteine.We buy the new proteins.	Ich suche gute Proteine.I am looking for good proteins.	Sie finden keine neuen Proteine.They find no new proteins.
Dativ	Wir forschen an den neuen Proteinen.We research the new proteins.	Man arbeitet mit guten Proteinen.One works with good proteins.	Ich glaube keinen neuen Proteinen.I believe no new proteins.
Genitiv	Die Struktur der neuen Proteine ist komplex.The structure of the new proteins is complex.	Die Funktion guter Proteine ist bekannt.The function of good proteins is known.	Die Herkunft keiner neuen Proteine ist klar.The origin of no new proteins is clear.

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Frequently asked questions

Everything you might wonder about der, die, das — and the Der Artikel app.

Is it der, die, or das Protein?

It is das Protein. In German, every noun has a grammatical gender, and Protein is neuter. You should always learn the article together with the noun to ensure your German grammar is correct.

What is the plural of das Protein?

The plural form of das Protein is die Proteine. In German, regardless of the singular gender, all plural nouns use the definite article “die.”

What does das Protein mean in English?

The German word das Protein translates to “protein” in English.

How do you decline das Protein?

Like all German nouns, Protein changes its article depending on the case. In the singular, the forms are:

Nominativ: das Protein
Akkusativ: das Protein
Dativ: dem Protein
Genitiv: des Proteins

These changes are necessary because German uses cases to indicate the noun’s role in a sentence (such as the subject or object). Knowing these forms allows you to build grammatically correct sentences.