5EJN

Crystal structure of Juno, the mammalian egg receptor for sperm Izumo1

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)	Sperm-egg fusion protein Juno	polymer	216	25217.3	2	UniProt (Q9EQF4) Pfam (PF03024)	Mus musculus (House Mouse)	Folate receptor 4,Folate receptor delta,FR-delta,Folate-binding protein 3,IZUMO1 receptor protein JUNO
2	C (B)	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	1	Chemie (NAG)

Sequence modifications

A, B: 19 - 221 (UniProt: Q9EQF4)

PDB	External Database	Details
Glu 14	-	expression tag
Thr 15	-	expression tag
Gly 16	-	expression tag
Ala 17	-	expression tag
Ala 18	-	expression tag
His 222	-	expression tag
His 223	-	expression tag
His 224	-	expression tag
His 225	-	expression tag
His 226	-	expression tag
His 227	-	expression tag
His 228	-	expression tag
His 229	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	50434.7
Non-Polymers*	Number of molecules	1
	Total formula weight	221.2
All*	Total formula weight	50655.9

*Water molecules are not included.