Structure of PDB 6xqm Chain A Binding Site BS04

Receptor Information

>6xqm Chain A (length=263) Species: 77133 (uncultured bacterium) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]

PEGVTAPGNEPMAIPSDYKLVWADEFNTPGAPDAKKWRYDTSRNKEGWYN
NELQYYAAGRPENVRVENGNLVIETRKERLTSMADYGGQEYSSGKLFTQG
LADWQYGYVEVRAKLACGKGMWPAIWMMASDGSTGWPALGSIDIMEMVAW
DPTTIHGTIHTKAYNHVIHTQKGSRTTAADPCGQFHTYSLDWTKDRMLIG
VDGHAYMRFDNDHKGNHDTWPFDSPQYLILNVAIGGWGGQQGVDAAAFPS
KMEVDYVRVYQKR

Ligand information

Ligand ID

InChI

InChI=1S/Ca/q+2

InChIKey

BHPQYMZQTOCNFJ-UHFFFAOYSA-N

SMILES

Software	SMILES
CACTVS 3.341	[Ca++]
ACDLabs 10.04 OpenEye OEToolkits 1.5.0	[Ca+2]

Formula

Name

CALCIUM ION

PDB chain

6xqm Chain A Residue 303 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]

Receptor-Ligand Complex Structure

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Structure summary

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PDB	6xqm Insights into the dual cleavage activity of the GH16 laminarinase enzyme class on beta-1,3 and beta-1,4 glycosidic bonds.
Resolution	1.85 Å
Binding residue (original residue number in PDB)	E28 N30 G72 D258
Binding residue (residue number reindexed from 1)	E25 N27 G69 D255
Annotation score	4

Enzymatic activity

Enzyme Commision number

3.2.1.39: glucan endo-1,3-beta-D-glucosidase.

Gene Ontology

	Molecular Function
GO:0004553	hydrolase activity, hydrolyzing O-glycosyl compounds
GO:0016798	hydrolase activity, acting on glycosyl bonds
GO:0042973	glucan endo-1,3-beta-D-glucosidase activity
GO:0046872	metal ion binding

	Biological Process
GO:0005975	carbohydrate metabolic process

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Molecular Function

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Biological Process

External links

PDB	RCSB:6xqm, PDBe:6xqm, PDBj:6xqm
PDBsum	6xqm
PubMed	33556371
UniProt	A0A0B5H9B3

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