4N6L

Crystal structure of human cystatin E/M

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Cystatin-M	polymer	131	14924.9	1	UniProt (Q15828) Pfam (PF00031) In PDB	Homo sapiens (human)	Cystatin-6, Cystatin-E
2		water	water		18.0	91	Chemie (HOH)

Sequence modifications

A: 4 - 124 (UniProt: Q15828)

PDB	External Database	Details
Met 2	-	expression tag
Asp 3	-	expression tag
Leu 125	-	expression tag
Glu 126	-	expression tag
His 127	-	expression tag
His 128	-	expression tag
His 129	-	expression tag
His 130	-	expression tag
His 131	-	expression tag
His 132	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	14924.9
All*	Total formula weight	14924.9

*Water molecules are not included.