Structure of PDB 1btc Chain A

Receptor sequence
>1btcA (length=491) Species: 3847 (Glycine max) [Search protein sequence]
SNMLLNYVPVYVMLPLGVVNVDNVFEDPDGLKEQLLQLRAAGVDGVMVDV
WWGIIELKGPKQYDWRAYRSLFQLVQECGLTLQAIMSFHQCGGNVGDIVN
IPIPQWVLDIGESNHDIFYTNRSGTRNKEYLTVGVDNEPIFHGRTAIEIY
SDYMKSFRENMSDFLESGLIIDIEVGLGPAGELRYPSYPQSQGWEFPRIG
EFQCYDKYLKADFKAAVARAGHPEWELPDDAGKYNDVPESTGFFKSNGTY
VTEKGKFFLTWYSNKLLNHGDQILDEANKAFLGCKVKLAIKVSGIHWWYK
VENHAAELTAGYYNLNDRDGYRPIARMLSRHHAILNFTCLEMRDSEQPSD
AKSGPQELVQQVLSGGWREDIRVAGENALPRYDATAYNQIILNAKPQGVN
NNGPPKLSMFGVTYLRLSDDLLQKSNFNIFKKFVLKMHADQDYCANPQKY
NHAITPLKPSAPKIPIEVLLEATKPTLPFPWLPETDMKVDG
3D structure
PDB1btc The 2.0-A resolution structure of soybean beta-amylase complexed with alpha-cyclodextrin.
ChainA
Resolution2.0 Å
3D
structure
Catalytic site residues are labeled in the structure
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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.
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 GLC A F200 H300 M346 F196 H296 M342
BS02 GLC A L383 L419 L379 L415
BS03 SO4 A R326 R372 R322 R368
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:1btc, PDBe:1btc, PDBj:1btc
PDBsum1btc
PubMed8334116
UniProtP10538|AMYB_SOYBN Beta-amylase (Gene Name=BMY1)

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