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5KID

Tightening the Recognition of Tetravalent Zr and Th Complexes by the Siderophore-Binding Mammalian Protein Siderocalin for Theranostic Applications

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C
(A, B, C)
Neutrophil gelatinase-associated lipocalinpolymer18020700.63UniProt (P80188)
Pfam (PF00061)
Homo sapiens (Human)NGAL,25 kDa alpha-2-microglobulin-related subunit of MMP-9,Lipocalin-2,Oncogene 24p3,Siderocalin LCN2,p25
2D, K, M
(A, B, C)
THORIUM IONnon-polymer232.03Chemie (TH)
3E, L, N
(A, B, C)
N,N'-(butane-1,4-diyl)bis(N-{3-[(2,3-dihydroxybenzene-1-carbonyl)amino]propyl}-2,3-dihydroxybenzamide)non-polymer746.83Chemie (7K9)
4F, G, O
(A, C)
SULFATE IONnon-polymer96.13Chemie (SO4)
5H, P
(A, C)
CHLORIDE IONnon-polymer35.52Chemie (CL)
6I, J
(A)
GLYCEROLnon-polymer92.12Chemie (GOL)
7Q, R, S
(A, B, C)
waterwater18.082Chemie (HOH)
Sequence modifications
A, B, C: 1 - 178 (UniProt: P80188)
PDBExternal DatabaseDetails
Gly -1-expression tag
Ser 0-expression tag
Ser 87Cys 107conflict
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains3
Total formula weight62101.7
Non-Polymers*Number of molecules13
Total formula weight3479.7
All*Total formula weight65581.4
*Water molecules are not included.

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PDB entries from 2025-12-17

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