Structure of PDB 1q6g Chain A

Receptor sequence
>1q6gA (length=490) Species: 3847 (Glycine max) [Search protein sequence]
NMLLNYVPVYVMLPLGVVNVDNVFEDPDGLKEQLLQLRAAGVDGVMVDVW
WGIIELKGPKQYDWRAYRSLLQLVQECGLTLQAIMSFHQCGGNVGDIVNI
PIPQWVLDIGESNHDIFYTNRSGTRNKEYLTVGVDNEPIFHGRTAIEIYS
DYMKSFRENMSDFLESGLIIDIEVGLGPAGELRYPSYPQSQGWEFPGIGE
FQCYDKYLKADFKAAVARAGHPEWELPDDAGKYNDVPESTGFFKSNGTYV
TEKGKFFLTWYSNKLLNHGDQILDEANKAFLGCKVKLAIKVSGIHWWYKV
ENHAAELTAGYYNLNDRDGYRPIARMLSRHHAILTFTCLEMRDSEQPSDA
KSGPQELVQQVLSGGWREDIRVAGENALPRYDATAYNQIILNARPQGVNN
NGPPKLSMFGVTYLRLSDDLLQKSNFNIFKKFVLKMHADQDYCANPQKYN
HAITPLKPSAPKIPIEVLLEATKPTLPFPWLPETDMKVDG
3D structure
PDB1q6g Structural and Enzymatic Analysis of Soybean {beta}-Amylase Mutants with Increased pH Optimum
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) D96 E181 T337 E375 L378
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 E186 K295 T342 E380 A382 E181 K290 T337 E375 A377
BS02 GLC A D53 H93 D101 R420 D48 H88 D96 R415
BS03 GLC A F200 H300 M346 F195 H295 M341
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:1q6g, PDBe:1q6g, PDBj:1q6g
PDBsum1q6g
PubMed14638688
UniProtP10538|AMYB_SOYBN Beta-amylase (Gene Name=BMY1)

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