Actinidain

actinidain

Cartoon diagram of actinidain from Actinidia chinensis. From PDB 1AEC.
Identifiers
Symbol	?
PDB	1AEC 2ACT
Other data
EC number	3.4.22.14

Actinidain (or actinidin) is a type of cysteine protease enzyme found in fruits including kiwifruit (genus Actinidia), pineapple, mango, banana and papaya. This enzyme is part of the papain-like peptidase C1 family.

It is an allergen and commercially useful as a meat tenderizer.

External links

Proteases: cysteine proteases (EC 3.4.22)

Caspase	Caspase 1 · Caspase 2 · Caspase 3 · Caspase 4 · Caspase 5 · Caspase 6 · Caspase 7 · Caspase 8 · Caspase 9 · Caspase 10 · Caspase 12 · Caspase 13 · Caspase 14

Fruit-derived	Papain · Ficain · Bromelain · Actinidain

Calpain	CAPN1 · CAPN2 · CAPN3 · CAPN5 · CAPN6 · CAPN7 · CAPN8 · CAPN9 · CAPN10 · CAPN11 · CAPN12 · CAPN13 · CAPN14 · CAPNS1 · CAPNS2

Cathepsin	B · C · F · H · K · L1/L2 · O · S · W · Z

Other	Clostripain · Cancer procoagulant · Separase · Autophagin · Cruzipain

B enzm: 1.1/2/3/4/5/6/7/8/10/11/13/14/15-18, 2.1/2/3/4/5/6/7/8, 2.7.10, 2.7.11-12, 3.1/2/3/4/5/6/7, 3.1.3.48, 3.4.21/22/23/24, 4.1/2/3/4/5/6, 5.1/2/3/4/99, 6.1-3/4/5-6