1BI4

CATALYTIC DOMAIN OF HIV-1 INTEGRASE

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C	INTEGRASE	polymer	160	17562.1	2	UniProt (P12497) Pfam (PF00665) In PDB	Human immunodeficiency virus 1
2	B	INTEGRASE	polymer	160	17576.1	1	UniProt (P12497) Pfam (PF00665) In PDB	Human immunodeficiency virus 1
3		water	water		18.0	150	Chemie (HOH)

Sequence modifications

A, C: 50 - 209 (UniProt: P12497)

PDB	External Database	Details
His 185	Phe 900	engineered mutation

B: 50 - 209 (UniProt: P12497)

PDB	External Database	Details
Leu 150	Val 865	conflict
His 185	Phe 900	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	52700.2
All*	Total formula weight	52700.2

*Water molecules are not included.