3QJ3

Structure of digestive procathepsin L2 proteinase from Tenebrio molitor larval midgut

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Cathepsin L-like protein	polymer	331	36439.3	2	UniProt (Q69G21)	Tenebrio molitor (Yellow mealworm beetle)
2	C, D, E, F (A, B)	ACETATE ION	non-polymer		59.0	4	Chemie (ACT)
3	G, H (A, B)	water	water		18.0	530	Chemie (HOH)

Sequence modifications

A, B: 1 - 320 (UniProt: Q69G21)

PDB	External Database	Details
Met -10	-	expression tag
His -9	-	expression tag
His -8	-	expression tag
His -7	-	expression tag
His -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
Leu -3	-	expression tag
Glu -2	-	expression tag
Gly -1	-	expression tag
Ser 0	-	expression tag
Ser 129	Cys 145	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	72878.5
Non-Polymers*	Number of molecules	4
	Total formula weight	236.2
All*	Total formula weight	73114.7

*Water molecules are not included.