Structure of PDB 2jke Chain B

Receptor sequence
>2jkeB (length=687) Species: 226186 (Bacteroides thetaiotaomicron VPI-5482) [Search protein sequence]
QQKLTSPDNNLVMTFQVDSKGAPTYELTYKNKVVIKPSTLGLELKKEDSK
TNLYDGFEVKDTQTATFDETWQPVWGEEKEIRNHYNELAVTLYQPMNDRS
IVIRFRLFNDGLGFRYEFPQQKSLNYFVIKEEHSQFGMNGDHIAFWIPGD
YDTQEYDYTISRLSEIRGLMKEAITPNSSQTPFSQTGVQTALMMKTDDGL
YINLHEAALVDYSCMHLNLDDKNMVFESWLTPDAKGDKGYMQTPCNTPWR
TIIVSDDARNILASRITLNLNEPCKIADAASWVKPVKYIGVWWDMITGKG
SWAYTDELTSVKLGETDYSKTKPNGKHSANTANVKRYIDFAAAHGFDAVL
VEGWNEGWEDWFGNSKDYVFDFVTPYPDFDVKEIHRYAARKGIKMMMHHE
TSASVRNYERHMDKAYQFMADNGYNSVKSGYVGNIIPRGEHHYGQWMNNH
YLYAVKKAADYKIMVNAHEATRPTGICRTYPNLIGNESARGTEYESFGGN
KVYHTTILPFTRLVGGPMDYTPGIFETHCNKMNPANNSQVRSTIARQLAL
YVTMYSPLQMAADIPENYERFMDAFQFIKDVALDWDETNYLEAEPGEYIT
IARKAKDTDDWYVGCTAGENGHTSKLVFDFLTPGKQYIATVYADAKDADW
KENPQAYTIKKGILTNKSKLNLHAANGGGYAISIKEV
3D structure
PDB2jke Divergence of Catalytic Mechanism within a Glycosidase Family Provides Insight Into Evolution of Carbohydrate Metabolism by Human Gut Flora.
ChainB
Resolution1.7 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 3.2.1.3: glucan 1,4-alpha-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 NOJ B W331 E391 W397 H437 E439 K467 V471 H507 E508 E526 E532 W292 E352 W358 H398 E400 K428 V432 H468 E469 E487 E493 MOAD: Ki=59uM
BS02 CA B E194 E508 E526 E532 E155 E469 E487 E493
Gene Ontology
Molecular Function
GO:0004339 glucan 1,4-alpha-glucosidase activity
GO:0004558 alpha-1,4-glucosidase activity
GO:0005509 calcium ion binding
GO:0016798 hydrolase activity, acting on glycosyl bonds
GO:0030246 carbohydrate binding
GO:0046872 metal ion binding
Biological Process
GO:0000272 polysaccharide catabolic process
GO:0005983 starch catabolic process
Cellular Component
GO:0005886 plasma membrane
GO:0042597 periplasmic space

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:2jke, PDBe:2jke, PDBj:2jke
PDBsum2jke
PubMed18848471
UniProtG8JZS4|SUSB_BACTN Glucan 1,4-alpha-glucosidase SusB (Gene Name=susB)

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