5CZ1

Crystal structure of the catalytic core domain of MMTV integrase

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D	integrase	polymer	169	19310.1	4	UniProt (O56220) Pfam (PF00665) UniProt (by SIFTS) (P03365) In PDB	Mouse mammary tumor virus (MMTV)
2		water	water		18.0	437	Chemie (HOH)

Sequence modifications

A, B, C, D: 51 - 212 (UniProt: O56220)

PDB	External Database	Details
Met 50	-	initiating methionine
Leu 213	-	expression tag
Glu 214	-	expression tag
Val 215	-	expression tag
Leu 216	-	expression tag
Phe 217	-	expression tag
Gln 218	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	77240.4
All*	Total formula weight	77240.4

*Water molecules are not included.