P85940 (APX_PSEMZ) Reviewed, UniProtKB/Swiss-Prot

Names and origin

Protein names	Recommended name: L-ascorbate peroxidase, cytosolic EC=1.11.1.11
Organism	Pseudotsuga menziesii (Douglas-fir) (Abies menziesii)
Taxonomic identifier	3357 [NCBI]
Taxonomic lineage	Eukaryota › Viridiplantae › Streptophyta › Embryophyta › Tracheophyta › Spermatophyta › Coniferopsida › Coniferales › Pinaceae › Pseudotsuga

Protein attributes

Sequence length	10 AA.
Sequence status	Fragment.
Protein existence	Evidence at protein level

General annotation (Comments)

Function	Plays a key role in hydrogen peroxide removal By similarity. UniProtKB P48534
Catalytic activity	2 L-ascorbate + H2O2 + 2 H+ = L-ascorbate + L-dehydroascorbate + 2 H2O.
Cofactor	Binds 1 heme B (iron-protoporphyrin IX) group By similarity. UniProtKB P48534 Binds 1 potassium or calcium ion per subunit By similarity. UniProtKB P48534
Subcellular location	Cytoplasm By similarity UniProtKB P48534.
Sequence similarities	Belongs to the peroxidase family. Ascorbate peroxidase subfamily.

Ontologies

Keywords
Biological process	Hydrogen peroxide
Cellular component	Cytoplasm
Ligand	Calcium Heme Iron Metal-binding Potassium
Molecular function	Oxidoreductase Peroxidase
Gene Ontology (GO)
Biological process	hydrogen peroxide catabolic process Inferred from electronic annotation. Source: UniProtKB-KW
Cellular component	cytoplasm Inferred from electronic annotation. Source: UniProtKB-SubCell
Molecular function	L-ascorbate peroxidase activity Inferred from electronic annotation. Source: EC metal ion binding Inferred from electronic annotation. Source: UniProtKB-KW
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	‹1 – 10	›10	L-ascorbate peroxidase, cytosolic		PRO_0000347322
Experimental info
	Non-terminal residue	1	1
	Non-terminal residue	10	1

Sequences

	Sequence		Length	Mass (Da)
	P85940 [UniParc]. Last modified September 2, 2008. Version 1. Checksum: 58F4A4A76736D727	FASTA	10	1,099
	10 EGLLQLPSDK

References

[1]	"A proteomics approach to identify proteins differentially expressed in Douglas-fir seedlings infected by Phellinus sulphurascens." Islam M.A., Sturrock R.N., Ekramoddoullah A.K.M. J. Proteomics 71:425-438(2008) [PubMed: 18602030] [Abstract] Cited for: IDENTIFICATION BY MASS SPECTROMETRY.

Cross-references

3D structure databases
ModBase	Search...
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Family and domain databases
PROSITE	PS00435. PEROXIDASE_1. Partial match. PS00436. PEROXIDASE_2. Partial match. PS50873. PEROXIDASE_4. Partial match. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

APX_PSEMZ

Accession

Primary (citable) accession number: P85940

Entry history

Integrated into UniProtKB/Swiss-Prot:	September 2, 2008
Last sequence update:	September 2, 2008
Last modified:	September 21, 2011
This is version 15 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Plant Protein Annotation Program