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8K4Q

Crystal structure of nanobody HuNb103 bound to human interleukin-4 receptor subunit alpha

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, C
(A, C)
Interleukin-4 receptor subunit alphapolymer21424606.62UniProt (Q53EP8)
Pfam (PF09238)
UniProt (by SIFTS) (P24394)
Homo sapiens (human)
2B, D
(B, D)
IL-4R nanobody HuNb103polymer12113056.52Camelus dromedarius
3E, G
(E, G)
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranosebranched424.42In PDB
GlyTouCan (G42666HT)
4F, H
(F, H)
beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranosebranched586.52In PDB
GlyTouCan (G15407YE)
5I, J, K, L
(A, C)
2-acetamido-2-deoxy-beta-D-glucopyranosenon-polymer221.24Chemie (NAG)
6M, N, O, P
(A, B, C, D)
waterwater18.0137Chemie (HOH)
Sequence modifications
A, C: 1 - 207 (UniProt: Q53EP8)
PDBExternal DatabaseDetails
Glu 208-expression tag
Asn 209-expression tag
Leu 210-expression tag
Tyr 211-expression tag
Phe 212-expression tag
Gln 213-expression tag
Gly 214-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight75326.0
BranchedNumber of molecules4
Total formula weight2021.9
Non-Polymers*Number of molecules4
Total formula weight884.8
All*Total formula weight78232.7
*Water molecules are not included.

246704

PDB entries from 2025-12-24

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