4J6M

Crystal structure of calcium2+-free wild-type CD23 lectin domain (crystal form D)

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...	Low affinity immunoglobulin epsilon Fc receptor	polymer	143	16165.0	8	UniProt (P06734) Pfam (PF00059) In PDB	Homo sapiens (human)	BLAST-2, C-type lectin domain family 4 member J, Fc-epsilon-RII, Immunoglobulin E-binding factor, Lymphocyte IgE receptor, Low affinity immunoglobulin epsilon Fc receptor membrane-bound form, Low affinity immunoglobulin epsilon Fc receptor soluble form
2	A, B, C, F	SULFATE ION	non-polymer		96.1	4	Chemie (SO4)
3		water	water		18.0	238	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	129319.9
Non-Polymers*	Number of molecules	4
	Total formula weight	384.3
All*	Total formula weight	129704.1

*Water molecules are not included.