7R74

Crystal structure of llama VHH antibody in complex with HIV-1 HXBC2 gp120 core

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C	Glycoprotein 120	polymer	360	39830.8	2	Pfam (PF00516) UniProt (by SIFTS) (P04578) In PDB	Human immunodeficiency virus 1
2	B, D	Antibody C8 VHH domain	polymer	118	12689.2	2		Lama glama
3	A, C	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	18	Chemie (NAG)
4		water	water		18.0	81	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	105039.9
Non-Polymers*	Number of molecules	18
	Total formula weight	3981.7
All*	Total formula weight	109021.6

*Water molecules are not included.