3FLP

Crystal structure of native heptameric SAP-like pentraxin from Limulus polyphemus

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...	SAP-like pentraxin	polymer	217	23808.8	14	UniProt (Q8WQK3) Pfam (PF00354) In PDB	Limulus polyphemus (Atlantic horseshoe crab)
2	G, H, I, J, K...	CALCIUM ION	non-polymer		40.1	28	Chemie (CA)
3		water	water		18.0	881	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	14
	Total formula weight	333322.6
Non-Polymers*	Number of molecules	28
	Total formula weight	1122.2
All*	Total formula weight	334444.8

*Water molecules are not included.