7PKH

C-reactive protein decamer at pH 5 with phosphocholine ligand

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	J, F, G, H, I...	C-reactive protein	polymer	206	23068.0	10	UniProt (P02741) Pfam (PF00354) In PDB	Homo sapiens (Human)
2	E, D, C, B, J...	CALCIUM ION	non-polymer		40.1	20	Chemie (CA)
3	E, D, C, B, J...	PHOSPHOCHOLINE	non-polymer		184.2	10	Chemie (PC)
4		water	water		18.0	10	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	10
	Total formula weight	230680.4
Non-Polymers*	Number of molecules	30
	Total formula weight	2643.1
All*	Total formula weight	233323.5

*Water molecules are not included.