2BO2

EGF Domains 1,2,5 of human EMR2, a 7-TM immune system molecule, in complex with calcium.

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)	EGF-LIKE MODULE CONTAINING MUCIN-LIKE HORMONE RECEPTOR-LIKE 2 PRECURSOR	polymer	143	15593.1	2	UniProt (Q9UHX3) Pfam (PF07645)	HOMO SAPIENS (HUMAN)	EGF-LIKE MODULE EMR2
2	C, D, F, G (A, B)	CALCIUM ION	non-polymer		40.1	4	Chemie (CA)
3	E (A)	CACODYLATE ION	non-polymer		137.0	1	Chemie (CAC)
4	H, I (A, B)	water	water		18.0	32	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	31186.2
Non-Polymers*	Number of molecules	5
	Total formula weight	297.3
All*	Total formula weight	31483.5

*Water molecules are not included.