3P05

X-ray structure of pentameric HIV-1 CA

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, E (A, B, C, D, E)	HIV-1 CA	polymer	231	25476.3	5	UniProt (Q72497) Pfam (PF19317) UniProt (by SIFTS) (P12497)	Human immunodeficiency virus 1
2	F, G, H, I, J... (A, B, C, D, E)	IODIDE ION	non-polymer		126.9	10	Chemie (IOD)

Sequence modifications

A, B, C, D, E: 1 - 231 (UniProt: Q72497)

PDB	External Database	Details
Cys 21	Asn 153	engineered mutation
Cys 22	Ala 154	engineered mutation
Ala 184	Trp 316	engineered mutation
Ala 185	Met 317	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	5
	Total formula weight	127381.4
Non-Polymers*	Number of molecules	10
	Total formula weight	1269.0
All*	Total formula weight	128650.5

*Water molecules are not included.