3M88

Crystal structure of the cysteine protease inhibitor, EhICP2, from Entamoeba histolytica

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)	Amoebiasin-2	polymer	111	12574.4	2	UniProt (C4M2H5) Pfam (PF09394) UniProt (by SIFTS) (Q4GZL2)	Entamoeba histolytica	Cysteine protease inhibitor 2, EhICP2, ICP-2
2	C, D (A, B)	CHLORIDE ION	non-polymer		35.5	2	Chemie (CL)
3	E (B)	SULFATE ION	non-polymer		96.1	1	Chemie (SO4)
4	F, G (A, B)	water	water		18.0	119	Chemie (HOH)

Sequence modifications

A, B: 17 - 123 (UniProt: C4M2H5)

PDB	External Database	Details
Gly -4	-	expression tag
Pro -3	-	expression tag
His -2	-	expression tag
Met -1	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	25148.8
Non-Polymers*	Number of molecules	3
	Total formula weight	167.0
All*	Total formula weight	25315.8

*Water molecules are not included.