Structure of PDB 1b80 Chain B Binding Site BS01

Receptor Information
>1b80 Chain B (length=345) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
RATCSNGKTVGDASCCAWFDVLDDIQQNLFHGGQCGAEAHESIRLVFHDS
IAISPAMEAQGKFGGGGADGSIMIFDDIETAFHPNIGLDEIVKLQKPFVQ
KHGVTPGDFIAFAGAVALSNCPGAPQMNFFTGRAPATQPAPDGLVPEPFH
TVDQIINRVNDAGEFDELELVWMLSAHSVAAVNDVDPTVQGLPFDSTPGI
FDSQFFVETQLRGTAFPGSGGNQGEVESPLPGEIRIQSDHTIARDSRTAC
EWQSFVNNQSKLVDDFQFIFLALTQLGQDPNAMTDCSDVIPQSKPIPGNL
PFSFFPAGKTIKDVEQACAETPFPTLTTLPGPETSVQRIPPPPGA
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 chain1b80 Chain B Residue 351 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1b80 Crystal structures of pristine and oxidatively processed lignin peroxidase expressed in Escherichia coli and of the W171F variant that eliminates the redox active tryptophan 171. Implications for the reaction mechanism.
Resolution1.73 Å
Binding residue
(original residue number in PDB)		D48 G66 D68 S70
Binding residue
(residue number reindexed from 1)		D49 G67 D69 S71
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) H176 F193
Catalytic site (residue number reindexed from 1) H177 F194
Enzyme Commision number 1.11.1.14: lignin peroxidase.
Gene Ontology
Molecular Function
GO:0004601 peroxidase activity
GO:0016690 diarylpropane peroxidase activity
GO:0020037 heme binding
GO:0046872 metal ion binding
Biological Process
GO:0000302 response to reactive oxygen species
GO:0006979 response to oxidative stress
GO:0034599 cellular response to oxidative stress
GO:0042744 hydrogen peroxide catabolic process
GO:0046274 lignin catabolic process
GO:0098869 cellular oxidant detoxification

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Molecular Function
View graph for
Biological Process
External links
PDB RCSB:1b80, PDBe:1b80, PDBj:1b80
PDBsum1b80
PubMed11162097
UniProtP06181|LIG8_PHACH Ligninase H8 (Gene Name=LPOA)

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