1B6J

HIV-1 PROTEASE COMPLEXED WITH MACROCYCLIC PEPTIDOMIMETIC INHIBITOR 1

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	RETROPEPSIN	polymer	99	10764.6	2	UniProt (P03369) Pfam (PF00077) In PDB	Human immunodeficiency virus 1	HIV-1 PR
2	C	CYCLIC PEPTIDE INHIBITOR	polymer	6	767.7	1	BIRD (PRD_000407)
3	A, B	SULFATE ION	non-polymer		96.1	3	Chemie (SO4)
4		water	water		18.0	120	Chemie (HOH)

Sequence modifications

A, B: 1 - 99 (UniProt: P03369)

PDB	External Database	Details
Aba 67	Cys 123	SEE REMARK 999
Aba 95	Cys 151	SEE REMARK 999
Lys 41	Lys 97	SEE REMARK 999
Lys 43	Lys 99	SEE REMARK 999
Lys 45	Lys 101	SEE REMARK 999
Lys 70	Lys 126	SEE REMARK 999

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	22297.0
Non-Polymers*	Number of molecules	3
	Total formula weight	288.2
All*	Total formula weight	22585.2

*Water molecules are not included.