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4CPI

streptavidin A86D mutant with love-hate ligand 4

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C, D
(A, B, C, D)
STREPTAVIDINpolymer12713325.34UniProt (P22629)
Pfam (PF01382)
STREPTOMYCES AVIDINII
2E, I, J, K
(A, B, C, D)
5-[(3aS,4S,6aR)-2-oxo-hexahydro-1H-thieno[3,4- d]imidazolidin-4-yl]-N'-{2,6-bis[4-(morpholine-4- sulfonyl)phenyl]phenyl}pentanehydrazidenon-polymer785.04Chemie (LH4)
3F, G, L, M
(A, D)
DI(HYDROXYETHYL)ETHERnon-polymer106.14Chemie (PEG)
4H, N
(A, D)
CALCIUM IONnon-polymer40.12Chemie (CA)
5O, P, Q, R
(A, B, C, D)
waterwater18.0311Chemie (HOH)
Sequence modifications
A, B, C, D: 13 - 139 (UniProt: P22629)
PDBExternal DatabaseDetails
Asp 86Ala 110engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight53301.4
Non-Polymers*Number of molecules10
Total formula weight3644.5
All*Total formula weight56945.9
*Water molecules are not included.

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PDB entries from 2025-06-18

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