4K66

Structure of an airborne transmissible avian influenza H5 hemagglutinin mutant from the influenza virus A/Indonesia/5/2005 complexed with avian receptor analog LSTa

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, G	Hemagglutinin	polymer	321	36204.0	4	UniProt (A8HWY8) Pfam (PF00509) In PDB	Influenza A virus
2	B, D, F, H	Hemagglutinin	polymer	164	18910.8	4	UniProt (A8HWY8) In PDB	Influenza A virus
3	I, J	N-acetyl-alpha-neuraminic acid-(2-3)-beta-D-galactopyranose	branched		471.4	2	In PDB GlyTouCan (G30207PZ)
4	A, C	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	2	Chemie (NAG)

Sequence modifications

A, C, E, G: 5 - 324 (UniProt: A8HWY8)

PDB	External Database	Details
Gln 4	-	expression tag
Tyr 107	His 119	engineered mutation
Ala 160	Thr 172	engineered mutation
Leu 226	Gln 238	engineered mutation
Ser 228	Gly 240	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	220459.2
Branched	Number of molecules	2
	Total formula weight	942.8
Non-Polymers*	Number of molecules	2
	Total formula weight	442.4
All*	Total formula weight	221844.4

*Water molecules are not included.