4ZMJ

Crystal Structure of Ligand-Free BG505 SOSIP.664 HIV-1 Env Trimer

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (G)	Envelope glycoprotein gp160	polymer	481	54064.3	1	UniProt (Q2N0S6) Pfam (PF00516)	Human immunodeficiency virus 1
2	B (B)	Envelope glycoprotein gp160	polymer	153	17146.5	1	UniProt (Q2N0S6) Pfam (PF00517)	Human immunodeficiency virus 1
3	C (A)	alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		1073.0	1	In PDB GlyTouCan (G56014GC)
4	D, E (C, D)	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		424.4	2	In PDB GlyTouCan (G42666HT)
5	F, G, H, I, J... (G, B)	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	15	Chemie (NAG)

Sequence modifications

G: 31 - 507 (UniProt: Q2N0S6)

PDB	External Database	Details
Asn 332	Thr 330	engineered mutation
Cys 501	Ala 498	engineered mutation
Arg 508	-	expression tag
Arg 509	-	expression tag
Arg 510	-	expression tag
Arg 511	-	expression tag
Arg 512	-	expression tag
Arg 513	-	expression tag

B: 512 - 664 (UniProt: Q2N0S6)

PDB	External Database	Details
Pro 559	Ile 556	engineered mutation
Cys 605	Thr 602	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	71210.8
Branched	Number of molecules	3
	Total formula weight	1921.8
Non-Polymers*	Number of molecules	15
	Total formula weight	3318.1
All*	Total formula weight	76450.6

*Water molecules are not included.