6OHY

Chimpanzee SIV Env trimeric ectodomain.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C, E (A, C, D)	Envelope glycoprotein gp160	polymer	457	51708.7	3	UniProt (Q1A234) Pfam (PF00516)	Simian immunodeficiency virus (SIV)
2	B, D, F (B, E, F)	Envelope glycoprotein gp160	polymer	151	17179.5	3	UniProt (Q1A234) Pfam (PF00517)	Simian immunodeficiency virus (SIV)
3	CA, G, GA, HA, IA... (c, G, g, h, i...)	alpha-L-fucopyranose-(1-6)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		367.3	12	In PDB GlyTouCan (G86851RC)
4	AA, DA, EA, FA, H... (a, d, e, f, H...)	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		424.4	24	In PDB GlyTouCan (G42666HT)
5	J, LA, X (J, l, X)	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose	branched		570.5	3	In PDB GlyTouCan (G21290RB)
6	BA, N, PA (b, N, p)	alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]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		1235.1	3	In PDB GlyTouCan (G97423PY)
7	AB, BB, CB, DB, EB... (A, B, C, E, D...)	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	24	Chemie (NAG)

Sequence modifications

A, C, D: 32 - 504 (UniProt: Q1A234)

PDB	External Database	Details
Lys 171	Gln 170	engineered mutation
Cys 501	Ser 488	conflict

B, E, F: 515 - 664 (UniProt: Q1A234)

PDB	External Database	Details
Pro 559	Ile 550	conflict
Cys 605	Pro 596	conflict

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	206664.5
Branched	Number of molecules	42
	Total formula weight	20010.8
Non-Polymers*	Number of molecules	24
	Total formula weight	5309.0
All*	Total formula weight	231984.2

*Water molecules are not included.