Structure of PDB 1e4n Chain A

Receptor sequence
>1e4nA (length=489) Species: 4577 (Zea mays) [Search protein sequence]
LSPSEIPQRDWFPSDFTFGAATSAYQIEGAWNEDGKGESNWDHFCHNHPE
RILDGSNSDIGANSYHMYKTDVRLLKEMGMDAYRFSISWPRILPKGTKEG
GINPDGIKYYRNLINLLLENGIEPYVTIFHWDVPQALEEKYGGFLDKSHK
SIVEDYTYFAKVCFDNFGDKVKNWLTFNDPQTFTSFSYGTGVFAPGRCSP
GLDCAYPTGNSLVEPYTAGHNILLAHAEAVDLYNKHYKRDDTRIGLAFDV
MGRVPYGTSFLDKQAEERSWDINLGWFLEPVVRGDYPFSMRSLARERLPF
FKDEQKEKLAGSYNMLGLNYYTSRFSKNIDISPNYSPVLNTDDAYASQEV
NGPDGKPIGPPMGNPWIYMYPEGLKDLLMIMKNKYGNPPIYITENGIGDV
DTKETPLPMEAALNDYKRLDYIQRHIATLKESIDLGSNVQGYFAWSLLDN
FEWFAGFTERYGIVYVDRNNNCTRYMKESAKWLKEFNTA
3D structure
PDB1e4n The Mechanism of Substrate (Aglycone) Specificity in Beta -Glucosidases is Revealed by Crystal Structures of Mutant Maize Beta -Glucosidase-Dimboa, -Dimboaglc, and -Dhurrin Complexes
ChainA
Resolution2.1 Å
3D
structure
Catalytic site residues are labeled in the structure
[Spin on]
[Spin off]
[Reset orientation]

[High quality]
[Low quality]

[White background]
[Black background]

[Download]
[Download structure with residue number starting from 1]
Enzymatic activity
Catalytic site (original residue number in PDB) R96 H142 D191 T194 N331 Y333 E406
Catalytic site (residue number reindexed from 1) R84 H130 D179 T182 N319 Y321 E394
Enzyme Commision number 3.2.1.182: 4-hydroxy-7-methoxy-3-oxo-3,4-dihydro-2H-1,4-benzoxazin-2-yl glucoside beta-D-glucosidase.
3.2.1.21: beta-glucosidase.
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 HBO A F198 W378 F466 F186 W366 F454
Gene Ontology
Molecular Function
GO:0004553 hydrolase activity, hydrolyzing O-glycosyl compounds
GO:0008422 beta-glucosidase activity
GO:0015923 mannosidase activity
GO:0015925 galactosidase activity
GO:0015928 fucosidase activity
GO:0016162 cellulose 1,4-beta-cellobiosidase activity
GO:0016798 hydrolase activity, acting on glycosyl bonds
GO:0097599 xylanase activity
GO:0102726 DIMBOA glucoside beta-D-glucosidase activity
Biological Process
GO:0005975 carbohydrate metabolic process
GO:0009736 cytokinin-activated signaling pathway
Cellular Component
GO:0009507 chloroplast

View graph for
Molecular Function

View graph for
Biological Process

View graph for
Cellular Component
External links
PDB RCSB:1e4n, PDBe:1e4n, PDBj:1e4n
PDBsum1e4n
PubMed11106394
UniProtP49235|HGGL1_MAIZE 4-hydroxy-7-methoxy-3-oxo-3,4-dihydro-2H-1,4-benzoxazin-2-yl glucoside beta-D-glucosidase 1, chloroplastic (Gene Name=GLU1)

[Back to BioLiP]