Structure of PDB 3byn Chain A Binding Site BS03

Receptor Information
>3byn Chain A (length=440) Species: 1423 (Bacillus subtilis) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
QKPYKETYGISHITRHDMLQIPEQQKNEKYQVPEFDSSTIKNISSAKGLD
VWDSWPLQNADGTVANYHGYHIVFALAGDPKNADDTSIYMFYQKVGETSI
DSWKNAGRVFKDSDKFDANDSILKDQTQEWSGSATFTSDGKIRLFYTDFS
GKHYGKQTLTTAQVNVSASDSSLNINGVEDYKSIFDGDGKTYQNVQQFID
EGNYSSGDNHTLRDPHYVEDKGHKYLVFEANTGTEDGYQGEESLFNKAYY
GKSTSFFRQESQKLLQSDKKRTAELANGALGMIELNDDYTLKKVMKPLIA
SNTVTDEIARANVFKMNGKWYLFTDSRGSKMTIDGITSNDIYMLGYVSNS
LTGPYKPLNKTGLVLKMDLDPNDVTFTYSHFAVPQAKGNNVVITSYMTNR
GFYADKQSTFAPSFLLNIKGKKTSVVKDSILEQGQLTVNK
Ligand information
Ligand IDCA
InChIInChI=1S/Ca/q+2
InChIKeyBHPQYMZQTOCNFJ-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341[Ca++]
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Ca+2]
FormulaCa
NameCALCIUM ION
ChEMBL
DrugBankDB14577
ZINC
PDB chain3byn Chain A Residue 475 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB3byn Donor substrate recognition in the raffinose-bound E342A mutant of fructosyltransferase Bacillus subtilis levansucrase
Resolution2.1 Å
Binding residue
(original residue number in PDB)		D241 Q272 L308 N310 D339
Binding residue
(residue number reindexed from 1)		D208 Q239 L275 N277 D306
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) D86 S164 D247 A342
Catalytic site (residue number reindexed from 1) D53 S131 D214 A309
Enzyme Commision number 2.4.1.10: levansucrase.
Gene Ontology
Molecular Function
GO:0050053 levansucrase activity
Biological Process
GO:0009758 carbohydrate utilization

View graph for
Molecular Function
View graph for
Biological Process
External links
PDB RCSB:3byn, PDBe:3byn, PDBj:3byn
PDBsum3byn
PubMed
UniProtP05655|LSC_BACSU Levansucrase (Gene Name=sacB)

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