Structure of PDB 4pbg Chain B Binding Site BS01

Receptor Information
>4pbg Chain B (length=468) Species: 1358 (Lactococcus lactis) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MTKTLPKDFIFGGATAAYQAEGATHTDGKGPVAWDKYLEDNYWYTAEPAS
DFYHKYPVDLELAEEYGVNGIRISIAWSRIFPTGYGEVNEKGVEFYHKLF
AECHKRHVEPFVTLHHFDTPEALHSNGDFLNRENIEHFIDYAAFCFEEFP
EVNYWTTFNEIGPIGDGQYLVGKFPPGIKYDLAKVFQSHHNMMVSHARAV
KLYKDKGYKGEIGVVHALPTKYPYDPENPADVRAAELEDIIHNKFILDAT
YLGHYSDKTMEGVNHILAENGGELDLRDEDFQALDAAKDLNDFLGINYYM
SDWMQAFDGETEIIHNGKGEKGSSKYQIKGVGRRVAPDYVPRTDWDWIIY
PEGLYDQIMRVKNDYPNYKKIYITCNGLGYKDEFVDNTVYDDGRIDYVKQ
HLEVLSDAIADGANVKGYFIWSLMDVFSWSNGYEKRYGLFYVDFDTQERY
PKKSAHWYKKLAETQVIE
Ligand information
Ligand IDBGP
InChIInChI=1S/C6H13O9P/c7-3-2(1-14-16(11,12)13)15-6(10)5(9)4(3)8/h2-10H,1H2,(H2,11,12,13)/t2-,3+,4+,5-,6-/m1/s1
InChIKeyNBSCHQHZLSJFNQ-FPRJBGLDSA-N
SMILES
SoftwareSMILES
CACTVS 3.341O[CH]1O[CH](CO[P](O)(O)=O)[CH](O)[CH](O)[CH]1O
CACTVS 3.341O[C@@H]1O[C@H](CO[P](O)(O)=O)[C@H](O)[C@H](O)[C@H]1O
OpenEye OEToolkits 1.5.0C([C@@H]1[C@@H]([C@@H]([C@H]([C@@H](O1)O)O)O)O)OP(=O)(O)O
OpenEye OEToolkits 1.5.0C(C1C(C(C(C(O1)O)O)O)O)OP(=O)(O)O
ACDLabs 10.04O=P(O)(O)OCC1OC(O)C(O)C(O)C1O
FormulaC6 H13 O9 P
Name6-O-phosphono-beta-D-galactopyranose;
BETA-GALACTOSE-6-PHOSPHATE;
6-O-phosphono-beta-D-galactose;
6-O-phosphono-D-galactose;
6-O-phosphono-galactose
ChEMBL
DrugBankDB02312
ZINCZINC000004095545
PDB chain4pbg Chain B Residue 469 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB4pbg Crystal structures and mechanism of 6-phospho-beta-galactosidase from Lactococcus lactis.
Resolution2.5 Å
Binding residue
(original residue number in PDB)
Q19 H116 N159 E160 Y299 W347 W421 S428 W429 K435 Y437
Binding residue
(residue number reindexed from 1)
Q19 H116 N159 E160 Y299 W347 W421 S428 W429 K435 Y437
Annotation score5
Enzymatic activity
Catalytic site (original residue number in PDB) R72 H116 E160 P163 N297 Y299 C375
Catalytic site (residue number reindexed from 1) R72 H116 E160 P163 N297 Y299 C375
Enzyme Commision number 3.2.1.85: 6-phospho-beta-galactosidase.
Gene Ontology
Molecular Function
GO:0004553 hydrolase activity, hydrolyzing O-glycosyl compounds
GO:0008422 beta-glucosidase activity
GO:0016798 hydrolase activity, acting on glycosyl bonds
GO:0033920 6-phospho-beta-galactosidase activity
Biological Process
GO:0005975 carbohydrate metabolic process
GO:0005990 lactose catabolic process
GO:0016052 carbohydrate catabolic process
GO:0019512 lactose catabolic process via tagatose-6-phosphate
Cellular Component
GO:0005829 cytosol

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Molecular Function

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Biological Process

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Cellular Component
External links
PDB RCSB:4pbg, PDBe:4pbg, PDBj:4pbg
PDBsum4pbg
PubMed9223646
UniProtP11546|LACG_LACLL 6-phospho-beta-galactosidase (Gene Name=lacG)

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