5JKA

Crystal structure of human JUNO (crystal form 1)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	B, A	Sperm-egg fusion protein Juno	polymer	221	25428.8	2	UniProt (A6ND01) Pfam (PF03024) In PDB	Homo sapiens (Human)	Folate receptor 4,Folate receptor delta,FR-delta,IZUMO1 receptor protein JUNO
2	C	alpha-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		748.7	1	In PDB GlyTouCan (G81315DD)
3	B, A	CHLORIDE ION	non-polymer		35.5	3	Chemie (CL)
4		water	water		18.0	149	Chemie (HOH)

Sequence modifications

B, A: 20 - 228 (UniProt: A6ND01)

PDB	External Database	Details
Arg 16	-	expression tag
Ser 17	-	expression tag
Pro 18	-	expression tag
Trp 19	-	expression tag
Glu 229	-	expression tag
Phe 230	-	expression tag
Leu 231	-	expression tag
Glu 232	-	expression tag
Val 233	-	expression tag
Leu 234	-	expression tag
Phe 235	-	expression tag
Gln 236	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	50857.7
Branched	Number of molecules	1
	Total formula weight	748.7
Non-Polymers*	Number of molecules	3
	Total formula weight	106.4
All*	Total formula weight	51712.7

*Water molecules are not included.