5X4S

Structure of the N-terminal domain (NTD)of SARS-CoV spike protein

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Spike glycoprotein	polymer	285	32395.4	1	UniProt (P59594) Pfam (PF16451) In PDB	Human SARS coronavirus (SARS-CoV)	S glycoprotein,E2,Peplomer protein
2	B	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		424.4	1	In PDB GlyTouCan (G42666HT)
3	A	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	1	Chemie (NAG)
4		water	water		18.0	84	Chemie (HOH)

Sequence modifications

A: 14 - 292 (UniProt: P59594)

PDB	External Database	Details
Asp 77	Gly 77	See Sequence details
Thr 244	Ile 244	See Sequence details
His 293	-	expression tag
His 294	-	expression tag
His 295	-	expression tag
His 296	-	expression tag
His 297	-	expression tag
His 298	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	32395.4
Branched	Number of molecules	1
	Total formula weight	424.4
Non-Polymers*	Number of molecules	1
	Total formula weight	221.2
All*	Total formula weight	33041.0

*Water molecules are not included.