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1WQJ

Structural Basis for the Regulation of Insulin-Like Growth Factors (IGFs) by IGF Binding Proteins (IGFBPs)

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(B)
Insulin-like growth factor binding protein 4polymer808498.11UniProt (P22692)
Pfam (PF00219)
Homo sapiens (human)IGFBP-4, IBP- 4, IGF-binding protein 4
2B
(I)
Insulin-like growth factor IBpolymer707663.81UniProt (P05019)
Pfam (PF00049)
Homo sapiens (human)IGF-I, IGF-IB, Somatomedin C
3C, D
(B, I)
waterwater18.0151Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight16161.9
All*Total formula weight16161.9
*Water molecules are not included.

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PDB entries from 2025-06-11

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