Structure of PDB 1e56 Chain B

Receptor sequence
>1e56B (length=489) Species: 4577 (Zea mays) [Search protein sequence]
LSPSEIPQRDWFPSDFTFGAATSAYQIEGAWNEDGKGESNWDHFCHNHPE
RILDGSNSDIGANSYHMYKTDVRLLKEMGMDAYRFSISWPRILPKGTKEG
GINPDGIKYYRNLINLLLENGIEPYVTIFHWDVPQALEEKYGGFLDKSHK
SIVEDYTYFAKVCFDNFGDKVKNWLTFNDPQTFTSFSYGTGVFAPGRCSP
GLDCAYPTGNSLVEPYTAGHNILLAHAEAVDLYNKHYKRDDTRIGLAFDV
MGRVPYGTSFLDKQAEERSWDINLGWFLEPVVRGDYPFSMRSLARERLPF
FKDEQKEKLAGSYNMLGLNYYTSRFSKNIDISPNYSPVLNTDDAYASQEV
NGPDGKPIGPPMGNPWIYMYPEGLKDLLMIMKNKYGNPPIYITENGIGDV
DTKETPLPMEAALNDYKRLDYIQRHIATLKESIDLGSNVQGYFAWSLLDN
FEWFAGFTERYGIVYVDRNNNCTRYMKESAKWLKEFNTA
3D structure
PDB1e56 The Mechanism of Substrate (Aglycone) Specificity in Beta -Glucosidases is Revealed by Crystal Structures of Mutant Maize Beta -Glucosidase- Dimboa, -Dimboaglc, and -Dhurrin Complexes
ChainB
Resolution2.1 Å
3D
structure
Catalytic site residues are labeled in the structure
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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 BGC B Q38 H142 D191 Y333 E406 W457 E464 W465 Y473 Q26 H130 D179 Y321 E394 W445 E452 W453 Y461
BS02 HBO B T194 F198 D261 F466 T182 F186 D249 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

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1e56, PDBe:1e56, PDBj:1e56
PDBsum1e56
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)

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