6PRM

Crystal structure of apo PsS1_19B

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 (A, B, C, D)	exo-4S-kappa carrageenan S1 sulfatase	polymer	469	53067.7	4		Pseudoalteromonas fuliginea
2	E, F, G, H (A, B, C, D)	CALCIUM ION	non-polymer		40.1	4	Chemie (CA)
3	I, J, K, L (A, B, C, D)	water	water		18.0	104	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	212270.6
Non-Polymers*	Number of molecules	4
	Total formula weight	160.3
All*	Total formula weight	212430.9

*Water molecules are not included.