8SGU

Crystal structure of the SARS-CoV-2 receptor binding domain

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Spike protein S1	polymer	205	23073.8	1	UniProt (P0DTC2) Pfam (PF09408) In PDB	Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2 2019-nCoV COVID-19 virus)
2	B	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)
3	A	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	2	Chemie (NAG)
4	A	alpha-L-fucopyranose	non-polymer		164.2	1	Chemie (FUC)
5	A	GLYCEROL	non-polymer		92.1	5	Chemie (GOL)
6		water	water		18.0	224	Chemie (HOH)

Sequence modifications

A: 331 - 527 (UniProt: P0DTC2)

PDB	External Database	Details
Gly 528	-	expression tag
Ser 529	-	expression tag
His 530	-	expression tag
His 531	-	expression tag
His 532	-	expression tag
His 533	-	expression tag
His 534	-	expression tag
His 535	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	23073.8
Branched	Number of molecules	1
	Total formula weight	570.5
Non-Polymers*	Number of molecules	8
	Total formula weight	1067.0
All*	Total formula weight	24711.4

*Water molecules are not included.