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6QUB

Truncated beta-galactosidase III from Bifidobacterium bifidum in complex with galactose

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Beta-galactosidasepolymer88595358.81UniProt (Q9F4D5)
Pfam (PF02837)
Pfam (PF00703)
Pfam (PF02836)
Pfam (PF16355)
Pfam (PF18565)
Bifidobacterium bifidum
2B
(B)
Beta-galactosidasepolymer85792422.81UniProt (Q9F4D5)
Pfam (PF18565)
Pfam (PF02837)
Pfam (PF00703)
Pfam (PF02836)
Pfam (PF16355)
Bifidobacterium bifidum
3C, F
(A, B)
beta-D-galactopyranosenon-polymer180.22Chemie (GAL)
4D, E, G, H
(A, B)
CALCIUM IONnon-polymer40.14Chemie (CA)
5I, J
(A, B)
waterwater18.02554Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight187781.6
Non-Polymers*Number of molecules6
Total formula weight520.6
All*Total formula weight188302.2
*Water molecules are not included.

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PDB entries from 2025-06-18

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