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4XL9

Tailspike protein mutant D339A of E. coli bacteriophage HK620

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Tail spike proteinpolymer59764334.11UniProt (Q9AYY6)
Pfam (PF18781)
Pfam (PF22424)
Salmonella phage HK620 (head binding domain)
2B
(A)
2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOLnon-polymer122.11Chemie (TRS)
3C
(A)
FORMIC ACIDnon-polymer46.01Chemie (FMT)
4D
(A)
SODIUM IONnon-polymer23.01Chemie (NA)
5E
(A)
waterwater18.0441Chemie (HOH)
Sequence modifications
A: 113 - 709 (UniProt: Q9AYY6)
PDBExternal DatabaseDetails
Ala 339Asp 340engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight64334.1
Non-Polymers*Number of molecules3
Total formula weight191.2
All*Total formula weight64525.2
*Water molecules are not included.

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PDB entries from 2025-07-23

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