6Y3Y

Human Coronavirus HKU1 Haemagglutinin-Esterase

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Hemagglutinin-esterase	polymer	351	40432.6	2	UniProt (Q5MQD1) Pfam (PF03996) Pfam (PF02710) In PDB	Human coronavirus HKU1 (HCoV-HKU1)	HE protein,E3 glycoprotein
2	C, G	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	2	In PDB GlyTouCan (G81315DD)
3	D, H	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		910.8	2	In PDB GlyTouCan (G22768VO)
4	E, I	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	F, J	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		424.4	2	In PDB GlyTouCan (G42666HT)
6	A, B	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	6	Chemie (NAG)

Sequence modifications

A, B: 14 - 355 (UniProt: Q5MQD1)

PDB	External Database	Details
Leu 12	-	cloning artifact
Ala 13	-	cloning artifact
Ser 356	-	cloning artifact
Asp 357	-	cloning artifact
Pro 358	-	cloning artifact
Leu 359	-	cloning artifact
Val 360	-	cloning artifact
Pro 361	-	cloning artifact
Arg 362	-	cloning artifact

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	80865.3
Branched	Number of molecules	8
	Total formula weight	5340.9
Non-Polymers*	Number of molecules	6
	Total formula weight	1327.2
All*	Total formula weight	87533.4

*Water molecules are not included.