4LQ8

Rickettsia rickettsii cell surface antigen 4 (sca4) head domain (residues 21-360)

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)	Sca-family protein	polymer	340	37673.9	2	UniProt (E3T8S6) Pfam (PF12574) UniProt (by SIFTS) (B0BXR4)	Rickettsia rickettsii
2	C, D (A, B)	water	water		18.0	259	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	75347.7
All*	Total formula weight	75347.7

*Water molecules are not included.