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4FNS

Crystal structure of GH36 alpha-galactosidase AgaA A355E from Geobacillus stearothermophilus in complex with 1-deoxygalactonojirimycin

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C, D
(A, B, C, D)
Alpha-galactosidase AgaApolymer72983299.94UniProt (Q9ALJ4)
Pfam (PF16875)
Pfam (PF02065)
Pfam (PF16874)
Geobacillus stearothermophilus
2E, H, K, N
(A, B, C, D)
(2R,3S,4R,5S)-2-(hydroxymethyl)piperidine-3,4,5-triolnon-polymer163.24Chemie (DGJ)
3F, G, I, J, L...
(A, B, C, D)
SULFATE IONnon-polymer96.18Chemie (SO4)
4O
(D)
1,2-ETHANEDIOLnon-polymer62.11Chemie (EDO)
5R, S, T, U
(A, B, C, D)
waterwater18.0980Chemie (HOH)
Sequence modifications
A, B, C, D: 1 - 729 (UniProt: Q9ALJ4)
PDBExternal DatabaseDetails
Glu 355Ala 355engineered mutation
Leu 518Phe 518engineered mutation
Val 704Met 704engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight333199.4
Non-Polymers*Number of molecules13
Total formula weight1483.3
All*Total formula weight334682.7
*Water molecules are not included.

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PDB entries from 2025-06-18

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