4WHD

Human CEACAM1 N-domain homodimer

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)	Carcinoembryonic antigen-related cell adhesion molecule 1	polymer	108	11970.2	2	UniProt (P13688) Pfam (PF07686)	Homo sapiens (Human)	Biliary glycoprotein 1,BGP-1
2	C, E, F, G, J... (A, B)	octyl beta-D-glucopyranoside	non-polymer		292.4	8	Chemie (BOG)
3	D, H, I (A, B)	GLYCEROL	non-polymer		92.1	3	Chemie (GOL)
4	N, O (A, B)	water	water		18.0	137	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	23940.5
Non-Polymers*	Number of molecules	11
	Total formula weight	2615.2
All*	Total formula weight	26555.7

*Water molecules are not included.