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3TGX

IL-21:IL21R complex

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, C, E, G, I...
(A, C, E, G, I...)
Interleukin-21 receptorpolymer21925451.38UniProt (Q9HBE5)Homo sapiens (human)IL-21 receptor, IL-21R, Novel interleukin receptor
2B, D, F, H, J...
(B, D, F, H, J...)
Interleukin-21polymer13415622.98UniProt (Q9HBE4)
Pfam (PF02372)
Homo sapiens (human)IL-21, Za11
3Q, R, S, T, U
(Q, R, S, T, U)
alpha-D-mannopyranose-(1-6)-alpha-D-mannopyranose-(1-6)-alpha-D-mannopyranose-(1-6)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[beta-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranosebranched1219.15In PDB
GlyTouCan (G86836LG)
4V, X
(V, X)
alpha-D-mannopyranose-(1-6)-alpha-D-mannopyranose-(1-6)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-[beta-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranosebranched1057.02In PDB
GlyTouCan (G39569XI)
5W
(W)
alpha-D-mannopyranose-(1-6)-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-glucopyranosebranched1057.01In PDB
GlyTouCan (G52146XU)
6EB, KA, LA, LB, QB...
(K, C, E, M, O...)
alpha-D-mannopyranosenon-polymer180.28Chemie (MAN)
7MA, RB, SA, Z
(E, O, G, A)
NICKEL (II) IONnon-polymer58.74Chemie (NI)
8AA, AB, BA, BB, CA...
(A, I, C, K, L...)
SULFATE IONnon-polymer96.139Chemie (SO4)
Sequence modifications
A, C, E, G, I, K, M, O: 1 - 213 (UniProt: Q9HBE5)
PDBExternal DatabaseDetails
Gln 78Asn 97engineered mutation
Gln 85Asn 104engineered mutation
Asp 106Asn 125engineered mutation
Gln 116Asn 135engineered mutation
His 214-expression tag
His 215-expression tag
His 216-expression tag
His 217-expression tag
His 218-expression tag
His 219-expression tag
B, D, F, H, J, L, N, P: 1 - 133 (UniProt: Q9HBE4)
PDBExternal DatabaseDetails
Met 0-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains16
Total formula weight328593.5
BranchedNumber of molecules8
Total formula weight9266.4
Non-Polymers*Number of molecules51
Total formula weight5422.5
All*Total formula weight343282.4
*Water molecules are not included.

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PDB entries from 2026-01-14

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