8UR5

I53_dn5 nanoparticle displaying the trimeric HA heads with heptad domain, TH-1heptad-I53_dn5 (local refinement of TH-1heptad)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C	Trimer head HA,Hemagglutinin HA1 chain	polymer	388	44253.5	3	UniProt (Q289M7) Pfam (PF00509) In PDB	synthetic construct
2	A, B, C	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	12	Chemie (NAG)

Sequence modifications

A, B, C: 21 - 50 (PDB: 8UR5)
A, B, C: 51 - 267 (UniProt: Q289M7)

PDB	External Database	Details
Phe 95	Tyr 108	engineered mutation
Cys 107	Glu 120	engineered mutation
Val 169	Ala 182	engineered mutation
Asn 190	Asp 203	engineered mutation
Leu 203	Ser 216	engineered mutation
Asp 210	Ser 223	engineered mutation
Val 212	Arg 225	engineered mutation
Ile 216	Glu 229	engineered mutation
Asp 225	Asn 238	engineered mutation
Trp 255	Arg 268	engineered mutation

A, B, C: 268 - 408 (PDB: 8UR5)

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	132760.6
Non-Polymers*	Number of molecules	12
	Total formula weight	2654.5
All*	Total formula weight	135415.1

*Water molecules are not included.