7CN9

Cryo-EM structure of SARS-CoV-2 Spike ectodomain

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	Spike glycoprotein	polymer	1127	124524.9	3	UniProt (P0DTC2) Pfam (PF16451) Pfam (PF09408) Pfam (PF19209) Pfam (PF01601) In PDB	Severe acute respiratory syndrome coronavirus 2 (2019-nCoV)	S glycoprotein,E2,Peplomer protein,Spike protein S1, Spike protein S2
2	E, X, W, Z, d...	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		424.4	8	In PDB GlyTouCan (G42666HT)
3	k	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose	branched		570.5	1	In PDB GlyTouCan (G21290RB)
4	p, V	beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		586.5	2	In PDB GlyTouCan (G15407YE)
5	h	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		748.7	1	In PDB GlyTouCan (G22573RC)
6	Q	alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		748.7	1	In PDB GlyTouCan (G81315DD)
7	B, C, A	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	23	Chemie (NAG)

Sequence modifications

A, B, C: 14 - 1140 (UniProt: P0DTC2)

PDB	External Database	Details
Gly 682	Arg 682	engineered mutation
Ser 683	Arg 683	engineered mutation
Gly 685	Arg 685	engineered mutation
Pro 986	Lys 986	engineered mutation
Pro 987	Val 987	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	373574.7
Branched	Number of molecules	13
	Total formula weight	6636.2
Non-Polymers*	Number of molecules	23
	Total formula weight	5087.8
All*	Total formula weight	385298.7

*Water molecules are not included.