1ZKU

Fitting of the gp9 structure in the EM density of bacteriophage T4 extended tail

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, D, E... (A, B, C, D, E...)	Baseplate structural protein Gp9	polymer	288	31024.7	18	UniProt (P10927) Pfam (PF07880) Pfam (PF23618)	Enterobacteria phage T4	Baseplate wedge protein 9
2	AA, BA, CA, DA, EA... (I, J, K, L, M...)	4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID	non-polymer		238.3	18	Chemie (EPE)

Contents of the asymmetric unit

Polymers	Number of chains	18
	Total formula weight	558445.0
Non-Polymers*	Number of molecules	18
	Total formula weight	4289.5
All*	Total formula weight	562734.5

*Water molecules are not included.