Structure of PDB 3thd Chain C Binding Site BS03

Receptor Information
>3thd Chain C (length=602) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
QRMFEIDYSRDSFLKDGQPFRYISGSIHYSRVPRFYWKDRLLKMKMAGLN
AIQTYVPWNFHEPWPGQYQFSEDHDVEYFLRLAHELGLLVILRPGPYICA
EWEMGGLPAWLLEKESILLRSSDPDYLAAVDKWLGVLLPKMKPLLYQNGG
PVITVQVENEYGSYFACDFDYLRFLQKRFRHHLGDDVVLFTTDGAHKTFL
KCGALQGLYTTVDFGTGSNITDAFLSQRKCEPKGPLINSEFYTGWLDHWG
QPHSTIKTEAVASSLYDILARGASVNLYMFIGGTNFAYWNGANSPYAAQP
TSYDYDAPLSEAGDLTEKYFALRNIIQKFEKVPEGPIPPSTPKFAYGKVT
LEKLKTVGAALDILCPSGPIKSLYPLTFIQVKQHYGFVLYRTTLPQDCSN
PAPLSSPLNGVHDRAYVAVDGIPQGVLERNNVITLNITGKAGATLDLLVE
NMGRVNYGAYINDFKGLVSNLTLSSNILTDWTIFPLDTEDAVRSHLGGWN
YTLPAFYMGNFSIPSGIPDLPQDTFIQFPGWTKGQVWINGFNLGRYWPAR
GPQLTLFVPQHILMTSAPNTITVLELEWAPCSSDDPELCAVTFVDRPVIG
SS
Ligand information
Ligand IDSO4
InChIInChI=1S/H2O4S/c1-5(2,3)4/h(H2,1,2,3,4)/p-2
InChIKeyQAOWNCQODCNURD-UHFFFAOYSA-L
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0[O-]S(=O)(=O)[O-]
CACTVS 3.341[O-][S]([O-])(=O)=O
ACDLabs 10.04[O-]S([O-])(=O)=O
FormulaO4 S
NameSULFATE ION
ChEMBL
DrugBankDB14546
ZINC
PDB chain3thd Chain C Residue 1002 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB3thd Crystal structure of human beta-galactosidase: structural basis of Gm1 gangliosidosis and morquio B diseases
Resolution1.79 Å
Binding residue
(original residue number in PDB)		S322 P323 Y324 N458
Binding residue
(residue number reindexed from 1)		S294 P295 Y296 N430
Annotation score3
Enzymatic activity
Enzyme Commision number 3.2.1.23: beta-galactosidase.
Gene Ontology
Molecular Function
GO:0004553 hydrolase activity, hydrolyzing O-glycosyl compounds
GO:0004565 beta-galactosidase activity
GO:0005515 protein binding
GO:0016787 hydrolase activity
GO:0016798 hydrolase activity, acting on glycosyl bonds
GO:0016936 galactoside binding
GO:0042803 protein homodimerization activity
Biological Process
GO:0005975 carbohydrate metabolic process
GO:0019388 galactose catabolic process
GO:0030200 heparan sulfate proteoglycan catabolic process
GO:0042340 keratan sulfate catabolic process
GO:0046479 glycosphingolipid catabolic process
GO:0051413 response to cortisone
GO:1904016 response to Thyroglobulin triiodothyronine
Cellular Component
GO:0005576 extracellular region
GO:0005615 extracellular space
GO:0005737 cytoplasm
GO:0005764 lysosome
GO:0005773 vacuole
GO:0005794 Golgi apparatus
GO:0035578 azurophil granule lumen
GO:0043202 lysosomal lumen
GO:0043231 intracellular membrane-bounded organelle
GO:0048471 perinuclear region of cytoplasm
GO:0070062 extracellular exosome
GO:1904813 ficolin-1-rich granule lumen

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Molecular Function
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Biological Process
View graph for
Cellular Component
External links
PDB RCSB:3thd, PDBe:3thd, PDBj:3thd
PDBsum3thd
PubMed22128166
UniProtP16278|BGAL_HUMAN Beta-galactosidase (Gene Name=GLB1)

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