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Structure of PDB 1byc Chain A Binding Site BS01

Receptor Information
>1byc Chain A (length=490) Species: 3847 (Glycine max) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
SNMLLNYVPVYVMLPLGVVNVDNVFEDPDGLKEQLLQLRAAGVDGVMVDV
WWGIIELKGPKQYDWRAYRSLFQLVQECGLTLQAIMSFHQCGGNVGDIVN
IPIPQWVLDIGESNHDIFYTNRSGTRNKEYLTVGVDNEPIFHGRTAIEIY
SDYMKSFRENMSDFLESGLIIDIEVGLGPAGELRYPSYPQSQGWEFPRIG
EFQCYDKYLKADFKAAVARAGHPEWELPDDAGKYNDVPESTGFFKSNGTY
VTEKGKFFLTWYSNKLLNHGDQILDEANKAFLGCKVKLAIKVSGIHWWYK
VENHAAELTAGYYNLNDRDGYRPIARMLSRHHAILNFTCLEMRDSEQPSD
AKSGPQELVQQVLSGGWREDIRVAGENALPRYDATAYNQIILNAKPQGVN
NNGPPKLSMFGVTYLRLSDDLLQKSNFNIFKKFVLKMHADQDYCANPQKY
NHAITPLKPSAPKIPIEVLLEATKPTLPFPWLPETDMKVD
Ligand information
Ligand IDBGC
InChIInChI=1S/C6H12O6/c7-1-2-3(8)4(9)5(10)6(11)12-2/h2-11H,1H2/t2-,3-,4+,5-,6-/m1/s1
InChIKeyWQZGKKKJIJFFOK-VFUOTHLCSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.7.6C(C1C(C(C(C(O1)O)O)O)O)O
CACTVS 3.370OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O
CACTVS 3.370OC[CH]1O[CH](O)[CH](O)[CH](O)[CH]1O
OpenEye OEToolkits 1.7.6C([C@@H]1[C@H]([C@@H]([C@H]([C@@H](O1)O)O)O)O)O
ACDLabs 12.01OC1C(O)C(OC(O)C1O)CO
FormulaC6 H12 O6
Namebeta-D-glucopyranose;
beta-D-glucose;
D-glucose;
glucose
ChEMBLCHEMBL1614854
DrugBankDB02379
ZINCZINC000003833800
PDB chain1byc Chain B Residue 1 [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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PDB1byc Crystal structures of soybean beta-amylase reacted with beta-maltose and maltal: active site components and their apparent roles in catalysis.
Resolution2.2 Å
Binding residue
(original residue number in PDB)		H300 M346 D494
Binding residue
(residue number reindexed from 1)		H296 M342 D490
Annotation score4
Enzymatic activity
Catalytic site (original residue number in PDB) D101 E186 T342 E380 L383
Catalytic site (residue number reindexed from 1) D97 E182 T338 E376 L379
Enzyme Commision number 3.2.1.2: beta-amylase.
Gene Ontology
Molecular Function
GO:0016161 beta-amylase activity
GO:0016798 hydrolase activity, acting on glycosyl bonds
Biological Process
GO:0000272 polysaccharide catabolic process

View graph for
Molecular Function
View graph for
Biological Process
External links
PDB RCSB:1byc, PDBe:1byc, PDBj:1byc
PDBsum1byc
PubMed8011643
UniProtP10538|AMYB_SOYBN Beta-amylase (Gene Name=BMY1)

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