4S3L

Crystal Structure of major pilin protein PitB from type II pilus of Streptococcus pneumoniae

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Major Pilin Protein	polymer	341	37197.9	2	UniProt (B3FNT1) Pfam (PF19407)	Streptococcus pneumoniae (strain Taiwan19F-14)
2	C, D (A, B)	water	water		18.0	79	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	74395.8
All*	Total formula weight	74395.8

*Water molecules are not included.