4JUN

Crystal structure of H5N1 influenza virus hemagglutinin, clade 5

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C, E (A, C, E)	Hemagglutinin HA1	polymer	329	36899.6	3	UniProt (Q2F4V6) Pfam (PF00509)	Influenza A virus
2	B, D, F (B, D, F)	Hemagglutinin HA2	polymer	182	21008.3	3	UniProt (Q2F4V6) Pfam (PF00509)	Influenza A virus
3	G, H, I (G, H, I)	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		424.4	3	In PDB GlyTouCan (G42666HT)
4	J, K, L (A, C, E)	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	3	Chemie (NAG)
5	M (E)	4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID	non-polymer		238.3	1	Chemie (EPE)
6	N, O, P, Q, R... (A, B, C, D, E...)	water	water		18.0	259	Chemie (HOH)

Sequence modifications

A, C, E: 11 - 326 (UniProt: Q2F4V6)

PDB	External Database	Details
Gly 5	-	expression tag
Ser 6	-	expression tag
Ala 7	-	expression tag
Asp 8	-	expression tag
Pro 9	-	expression tag
Gly 10	-	expression tag

B, D, F: 1 - 176 (UniProt: Q2F4V6)

PDB	External Database	Details
Arg 177	-	expression tag
Ser 178	-	expression tag
Leu 179	-	expression tag
Val 180	-	expression tag
Pro 181	-	expression tag
Arg 182	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	173723.5
Branched	Number of molecules	3
	Total formula weight	1273.2
Non-Polymers*	Number of molecules	4
	Total formula weight	901.9
All*	Total formula weight	175898.7

*Water molecules are not included.