7BEL

Crystal structure of the receptor binding domain of SARS-CoV-2 Spike glycoprotein in a ternary complex with COVOX-88 and COVOX-45 Fabs

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, F (R, X)	Spike glycoprotein	polymer	205	23150.9	2	UniProt (P0DTC2) Pfam (PF09408)	Severe acute respiratory syndrome coronavirus 2 (2019-nCoV)	S glycoprotein,E2,Peplomer protein
2	B, G (A, C)	COVOX-45 heavy chain	polymer	226	24187.2	2		Homo sapiens
3	C, H (H, E)	COVOX-88 heavy chain	polymer	245	25853.1	2		Homo sapiens
4	D, I (L, F)	COVOX-88 light chain	polymer	229	24278.9	2		Homo sapiens
5	E, J (B, D)	COVOX-45 light chain	polymer	227	24671.3	2		Homo sapiens
6	K, L (G, I)	alpha-D-mannopyranose-(1-3)-alpha-D-mannopyranose-(1-6)-[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		1073.0	2	In PDB GlyTouCan (G09724ZC)
7	M, P, Q (R, X)	ACETATE ION	non-polymer		59.0	3	Chemie (ACT)
8	N (R)	GLYCEROL	non-polymer		92.1	1	Chemie (GOL)
9	O, R (R, X)	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	2	Chemie (NAG)
10	AA, BA, S, T, U... (F, D, R, A, H...)	water	water		18.0	147	Chemie (HOH)

Sequence modifications

R, X: 333 - 528 (UniProt: P0DTC2)

PDB	External Database	Details
Glu 324	-	expression tag
Thr 325	-	expression tag
Gly 326	-	expression tag
His 327	-	expression tag
His 328	-	expression tag
His 329	-	expression tag
His 330	-	expression tag
His 331	-	expression tag
His 332	-	expression tag
Lys 527	Pro 527	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	10
	Total formula weight	244282.6
Branched	Number of molecules	2
	Total formula weight	2145.9
Non-Polymers*	Number of molecules	6
	Total formula weight	711.6
All*	Total formula weight	247140.2

*Water molecules are not included.