4NZD

Interleukin 21 receptor

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	Interleukin-21 receptor	polymer	219	25451.3	3	UniProt (Q9HBE5) In PDB	Homo sapiens (human)	IL-21 receptor, IL-21R, Novel interleukin receptor
2	D, E, F	alpha-D-mannopyranose-(1-6)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose	branched		894.8	3	In PDB GlyTouCan (G00395TQ)
3	A, B, C	alpha-D-mannopyranose	non-polymer		180.2	3	Chemie (MAN)
4	A, C	SODIUM ION	non-polymer		23.0	5	Chemie (NA)
5	C, A, B	CHLORIDE ION	non-polymer		35.5	11	Chemie (CL)
6	A, B	L(+)-TARTARIC ACID	non-polymer		150.1	3	Chemie (TLA)
7	C	1,2-ETHANEDIOL	non-polymer		62.1	1	Chemie (EDO)
8		water	water		18.0	158	Chemie (HOH)

Sequence modifications

A, B, C: 1 - 213 (UniProt: Q9HBE5)

PDB	External Database	Details
Gln 78	Asn 97	conflict
Gln 85	Asn 104	conflict
Asp 106	Asn 125	conflict
Gln 116	Asn 135	conflict
His 214	-	expression tag
His 215	-	expression tag
His 216	-	expression tag
His 217	-	expression tag
His 218	-	expression tag
His 219	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	76353.9
Branched	Number of molecules	3
	Total formula weight	2684.5
Non-Polymers*	Number of molecules	23
	Total formula weight	1557.7
All*	Total formula weight	80596.1

*Water molecules are not included.