Structure of PDB 2chn Chain B Binding Site BS02

Receptor Information
>2chn Chain B (length=639) Species: 226186 (Bacteroides thetaiotaomicron VPI-5482) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
LQPPPQQLIVQNKTIDLPAVYQLNGGEEANPHAVKVLKELLGMLISIGEK
GDKSVRKYSRQIPDHKEGYYLSVNEKEIVLAGNDERGTYYALQTFAQLLK
DGKLPEVEIKDYPSVRYRGVVEGFYGTPWSHQARLSQLKFYGKNKMNTYI
YGPKDDPYHSAPNWRLPYPDKEAAQLQELVAVANENEVDFVWAIHPGQDI
KWNKEDRDLLLAKFEKMYQLGVRSFAVFFDDISGEGTNPQKQAELLNYID
EKFAQVKPDINQLVMCPTEYNKSWSNPNGNYLTTLGDKLNPSIQIMWTGD
RVISDITRDGISWINERIKRPAYIWWNFPVSDYVRDHLLLGPVYGNDTTI
AKEMSGFVTNPMEHAESSKIAIYSVASYAWNPAKYDTWQTWKDAIRTILP
SAAEELECFAMHNSDLGPNGHGYRREESMDIQPAAERFLKAFKEGKNYDK
ADFETLQYTFERMKESADILLMNTENKPLIVEITPWVHQFKLTAEMGEEV
LKMVEGRNESYFLRKYNHVKALQQQMFYIDQTSNQNPYQPGVKTATRVIK
PLIDRTFATVVKFFNQKFNAHLDATTDYMPHKMNLPLQVKANRVLISPVE
IELDAIYPGENIQINFRLSAGLQKAPVKFVRFFVLTIEK
Ligand information
Ligand IDCA
InChIInChI=1S/Ca/q+2
InChIKeyBHPQYMZQTOCNFJ-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341[Ca++]
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Ca+2]
FormulaCa
NameCALCIUM ION
ChEMBL
DrugBankDB14577
ZINC
PDB chain2chn Chain B Residue 1716 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB2chn Structure and Mechanism of a Bacterial B-Glucosaminidase Having O-Glcnacase Activity
Resolution1.95 Å
Binding residue
(original residue number in PDB)		E32 E61 D64
Binding residue
(residue number reindexed from 1)		E28 E49 D52
Annotation score1
Enzymatic activity
Enzyme Commision number 3.2.1.169: protein O-GlcNAcase.
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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