7VLJ

Crystal structure of Entamoeba histolytica serine protease inhibitor, Histopin, in the cleaved conformation

Replaces:  6LY2

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Serine protease inhibitor, putative	polymer	330	37760.4	1	UniProt (C4M4Y1) Pfam (PF00079) In PDB	Entamoeba histolytica
2	B	Serine protease inhibitor, putative	polymer	49	5973.0	1	UniProt (C4M4Y1) In PDB	Entamoeba histolytica
3	A	POTASSIUM ION	non-polymer		39.1	1	Chemie (K)
4	A, B	GLYCEROL	non-polymer		92.1	6	Chemie (GOL)
5	A	DI(HYDROXYETHYL)ETHER	non-polymer		106.1	3	Chemie (PEG)
6	A, B	THIOCYANATE ION	non-polymer		58.1	5	Chemie (SCN)
7		water	water		18.0	218	Chemie (HOH)

Sequence modifications

B: 331 - 371 (UniProt: C4M4Y1)

PDB	External Database	Details
Leu 372	-	expression tag
Glu 373	-	expression tag
His 374	-	expression tag
His 375	-	expression tag
His 376	-	expression tag
His 377	-	expression tag
His 378	-	expression tag
His 379	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	43733.3
Non-Polymers*	Number of molecules	15
	Total formula weight	1200.4
All*	Total formula weight	44933.8

*Water molecules are not included.