Structure of PDB 8ibs Chain A

Receptor sequence
>8ibsA (length=691) Species: 391904 (Bifidobacterium longum subsp. infantis ATCC 15697 = JCM 1222 = DSM 20088) [Search protein sequence]
MEHRAFKWPQPLAGNKPRIWYGGDYNPDQWPEEVWDEDVALMQQAGVNLV
SVAIFSWAKLEPEEGVYDFDWLDRVIDKLGKAGIAVDLASGTASPPMWMT
QAHPEILWVDYRGDVCQPGARQHWRATSPVFLDYALNLCRKMAEHYKDNP
YVVSWHVSNAYGCHNRFDYSEDAERAFQKWCEKKYGTIDAVNDAWGTAFW
AQRMNNFSEIIPPRFIGDGNFMNPGKLLDWKRFSSDALLDFYKAERDALL
EIAPKPQTTNFMVSAGCTVLDYDKWGHDVDFVSNDHYFSPGEAHFDEMAY
AACLTDGIARKNPWFLMAHSTSAVNWRPTNYRLEPGELVRDSLAHLAMGA
DAICYFQWRQSKAGAEKWHSAMVPHAGPDSQIFRDVCELGADLNKLADEG
LLSTKLVKSKVAIVFDYESQWATEHTATPTQEVRHWTEPLDWFRALADNG
LTADVVPVRGPWDEYEAVVLPSLAILSEQTTRRVREYVANGGKLFVTYYT
GLVDDRDHVWLGGYPGSIRDVVGVRVEEFAPMGTDAPGTMDHLDLDNGTV
AHDFADVITSVADTAHVVASFKADKWTGFDGAPAITVNDFGDGKAAYVGA
RLGREGLAKSLPALLEELGIETSAEDDRGEVLRVERADETGENHFVFLFN
RTHDVAVVDVEGEPLVASLAQVNESEHTAAIQPNGVLVVKL
3D structure
PDB8ibs Bifidobacterium longum subsp. infantis uses two different beta-galactosidases for selectively degrading type-1 and type-2 human milk oligosaccharides.
ChainA
Resolution1.9 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 3.2.1.23: beta-galactosidase.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 GLA A R121 N159 D285 Y287 W326 F356 E366 H369 R121 N159 D285 Y287 W326 F356 E366 H369
Gene Ontology
Molecular Function
GO:0004565 beta-galactosidase activity
GO:0016798 hydrolase activity, acting on glycosyl bonds
Biological Process
GO:0005975 carbohydrate metabolic process
Cellular Component
GO:0009341 beta-galactosidase complex

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:8ibs, PDBe:8ibs, PDBj:8ibs
PDBsum8ibs
PubMed38046823
UniProtQ93GI5|BGAL_BIFLI Beta-galactosidase III (Gene Name=beta-galIII)

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