Structure of PDB 1atj Chain B Binding Site BS02

Receptor Information

>1atj Chain B (length=306) Species: 3704 (Armoracia rusticana)

QLTPTFYDNSCPNVSNIVRDTIVNELRSDPRIAASILRLHFHDCFVNGCD
ASILLDNTTSFRTEKDAFGNANSARGFPVIDRMKAAVESACPRTVSCADL
LTIAAQQSVTLAGGPSWRVPLGRRDSLQAFLDLANANLPAPFFTLPQLKD
SFRNVGLNRSSDLVALSGGHTFGKNQCRFIMDRLYNFSNTGLPDPTLNTT
YLQTLRGLCPLNGNLSALVDFDLRTPTIFDNKYYVNLEEQKGLIQSDQEL
FSSPNATDTIPLVRSFANSTQTFFNAFVEAMDRMGNITPLTGTQGQIRLN
CRVVNS

Ligand information

• Ligand ID: CA
• InChI: InChI=1S/Ca/q+2
• InChIKey: BHPQYMZQTOCNFJ-UHFFFAOYSA-N
• SMILES:
  CACTVS 3.341: [Ca++]
  ACDLabs 10.04
  OpenEye OEToolkits 1.5.0: [Ca+2]
• Formula: Ca
• Name: CALCIUM ION
• DrugBank: DB14577
• PDB chain: 1atj Chain B Residue 352

Receptor-Ligand Complex Structure

Structure summary

• PDB: 1atj Crystal structure of horseradish peroxidase C at 2.15 A resolution.
• Resolution: 2.15 Å
• Binding residue (original residue number in PDB): D43 V46 G48 D50 S52
• Binding residue (residue number reindexed from 1): D43 V46 G48 D50 S52
• Annotation score: 1

Enzymatic activity

• Catalytic site (original residue number in PDB): R38 H42 N70 H170
• Catalytic site (residue number reindexed from 1): R38 H42 N70 H170
• Enzyme Commision number: 1.11.1.7: peroxidase.

Gene Ontology

Molecular Function

• GO:0004601 peroxidase activity
• GO:0020037 heme binding
• GO:0046872 metal ion binding
• GO:0140825 lactoperoxidase activity

Biological Process

• GO:0006979 response to oxidative stress
• GO:0042744 hydrogen peroxide catabolic process
• GO:0098869 cellular oxidant detoxification

Cellular Component

• GO:0005576 extracellular region
• GO:0005773 vacuole

External links

• PDB: RCSB:1atj, PDBe:1atj, PDBj:1atj
• PDBsum: 1atj
• PubMed: 9406554
• UniProt: P00433|PER1A_ARMRU Peroxidase C1A (Gene Name=PRXC1A)