Structure of PDB 2chn Chain A

Receptor sequence
>2chnA (length=642) Species: 226186 (Bacteroides thetaiotaomicron VPI-5482) [Search protein sequence]
SLQPPPQQLIVQNKTIDLPAVYQLNGGEEANPHAVKVLKELLGMLISIGE
KGDKSVRKYSRQIPDHKEGYYLSVNEKEIVLAGNDERGTYYALQTFAQLL
KDGKLPEVEIKDYPSVRYRGVVEGFYGTPWSHQARLSQLKFYGKNKMNTY
IYGPKDDPYHSAPNWRLPYPDKEAAQLQELVAVANENEVDFVWAIHPGQD
IKWNKEDRDLLLAKFEKMYQLGVRSFAVFFDDISGEGTNPQKQAELLNYI
DEKFAQVKPDINQLVMCPTEYNKSWSNPNGNYLTTLGDKLNPSIQIMWTG
DRVISDITRDGISWINERIKRPAYIWWNFPVSDYVRDHLLLGPVYGNDTT
IAKEMSGFVTNPMEHAESSKIAIYSVASYAWNPAKYDTWQTWKDAIRTIL
PSAAEELECFAMHNSDLGPNGHGYRREESMDIQPAAERFLKAFKEGKNYD
KADFETLQYTFERMKESADILLMNTENKPLIVEITPWVHQFKLTAEMGEE
VLKMVEGRNESYFLRKYNHVKALQQQMFYIDQTSNQNPYQPGVKTATRVI
KPLIDRTFATVVKFFNQKFNAHLDATTDYMPHKMNLPLQVKANRVLISPV
EIELDAIYPGENIQINFRLSAGLQKAPVKFVRFQFVLTIEKK
3D structure
PDB2chn Structure and Mechanism of a Bacterial B-Glucosaminidase Having O-Glcnacase Activity
ChainA
Resolution1.95 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 3.2.1.169: protein O-GlcNAcase.
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 peptide A S681 F691 R693 F694 S620 F630 R632 F633
BS02 CA A E32 E61 D64 E29 E50 D53
BS03 NGT A G135 K166 D242 Y282 T310 V314 W337 N339 D344 G124 K155 D231 Y271 T299 V303 W326 N328 D333 MOAD: Ki=0.2uM
Gene Ontology
Molecular Function
GO:0015929 hexosaminidase activity
GO:0016231 beta-N-acetylglucosaminidase activity
GO:0016798 hydrolase activity, acting on glycosyl bonds
GO:0042802 identical protein binding
GO:0102571 [protein]-3-O-(N-acetyl-D-glucosaminyl)-L-serine/L-threonine O-N-acetyl-alpha-D-glucosaminase activity
Biological Process
GO:0005975 carbohydrate metabolic process
GO:0006517 protein deglycosylation
GO:1901135 carbohydrate derivative metabolic process

View graph for
Molecular Function
View graph for
Biological Process
External links
PDB RCSB:2chn, PDBe:2chn, PDBj:2chn
PDBsum2chn
PubMed16565725
UniProtQ89ZI2|OGA_BACTN O-GlcNAcase BT_4395 (Gene Name=BT_4395)

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