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4FL3

Structural and Biophysical Characterization of the Syk Activation Switch

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Tyrosine-protein kinase SYKpolymer63572133.21UniProt (P43405)
Pfam (PF00017)
Pfam (PF07714)
Homo sapiens (human)Spleen tyrosine kinase, p72-Syk
2B
(A)
PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTERnon-polymer506.21Chemie (ANP)
3C
(A)
MAGNESIUM IONnon-polymer24.31Chemie (MG)
4D
(A)
waterwater18.0405Chemie (HOH)
Sequence modifications
A: 1 - 635 (UniProt: P43405)
PDBExternal DatabaseDetails
Phe 348Tyr 348engineered mutation
Phe 352Tyr 352engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight72133.2
Non-Polymers*Number of molecules2
Total formula weight530.5
All*Total formula weight72663.7
*Water molecules are not included.

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PDB entries from 2025-07-02

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