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4MLI

Crystal structure of the SpyTag/SpyCatcher complex

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, C)
Fibronectin binding proteinpolymer11612415.52UniProt (Q8G9G1)
Pfam (PF02986)
Pfam (PF17802)
Streptococcus pyogenes
2C, D
(B, D)
SpyTagpolymer131475.82
3E, F, G, H
(A, C, B, D)
waterwater18.0159Chemie (HOH)
Sequence modifications
A, C: 1 - 113 (UniProt: Q8G9G1)
PDBExternal DatabaseDetails
Gly -2-expression tag
Ala -1-expression tag
Met 0-expression tag
Glu 34Ile 473engineered mutation
Tyr 69Met 508engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight27782.6
All*Total formula weight27782.6
*Water molecules are not included.

246031

PDB entries from 2025-12-10

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