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P51271 (HO_PORPU) Reviewed, UniProtKB/Swiss-Prot

Last modified May 14, 2014. Version 61. Feed History...

Clusters with 100%, 90%, 50% identity | Documents (1) | Third-party data text xml rdf/xml gff fasta
to top of pageNames·Attributes·General annotation·Ontologies·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize order

Names and origin

Protein namesRecommended name:
Heme oxygenase

EC=1.14.99.3
Gene names
Name:pbsA
Encoded onPlastid; Chloroplast
OrganismPorphyra purpurea (Red seaweed)
Taxonomic identifier2787 [NCBI]
Taxonomic lineageEukaryotaRhodophytaBangiophyceaeBangialesBangiaceaePorphyra

Protein attributes

Sequence length236 AA.
Sequence statusComplete.
Protein existenceInferred from homology

General annotation (Comments)

Function

Catalyzes the opening of the heme ring with the release of iron. Key enzyme in the synthesis of the chromophoric part of the photosynthetic antennae By similarity.

Catalytic activity

Protoheme + 3 AH2 + 3 O2 = biliverdin + Fe2+ + CO + 3 A + 3 H2O.

Subcellular location

Plastidchloroplast.

Sequence similarities

Belongs to the heme oxygenase family.

Ontologies

Keywords
   Biological processPhotosynthesis
   Cellular componentChloroplast
Plastid
   LigandHeme
Iron
Metal-binding
   Molecular functionOxidoreductase
Gene Ontology (GO)
   Biological_processheme oxidation

Inferred from electronic annotation. Source: InterPro

photosynthesis

Inferred from electronic annotation. Source: UniProtKB-KW

   Cellular_componentchloroplast

Inferred from electronic annotation. Source: UniProtKB-SubCell

   Molecular_functionheme oxygenase (decyclizing) activity

Inferred from electronic annotation. Source: UniProtKB-EC

metal ion binding

Inferred from electronic annotation. Source: UniProtKB-KW

Complete GO annotation...

Sequence annotation (Features)

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifier

Molecule processing

Chain1 – 236236Heme oxygenase
PRO_0000209699

Sites

Metal binding171Iron (heme axial ligand) By similarity

Sequences

Sequence LengthMass (Da)Tools
P51271 [UniParc].

Last modified October 1, 1996. Version 1.
Checksum: 8C512D8C4DA2F0ED

FASTA23626,752
        10         20         30         40         50         60 
MVSSLANELR EGTTKSHSMA ENVSFVKSFL GGVVDKKSYR KLIANLYFVY SAIEEEILLN 

        70         80         90        100        110        120 
KDHPAIKPIY FTELNRKTSL AKDLNYYYGP DWLNIIEPSS ATQVYVNRIH NIGNKQPELL 

       130        140        150        160        170        180 
VAHAYTRYLG DLSGGQVLKK IARGAMNLSD ERGTKFYDFD EIEDDKIFKN NYRSALDTIP 

       190        200        210        220        230 
LSDEQVQNVV AEANISFTLN MKMFEELNSS IVKIITMIIV STVRKFTLKS ILATAD 

« Hide

References

[1]"Complete nucleotide sequence of the Porphyra purpurea chloroplast genome."
Reith M.E., Munholland J.
Plant Mol. Biol. Rep. 13:333-335(1995)
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
Strain: Avonport.

Cross-references

Sequence databases

EMBL
GenBank
DDBJ
U38804 Genomic DNA. Translation: AAC08157.1.
PIRS73192.
RefSeqNP_053881.1. NC_000925.1.

3D structure databases

ProteinModelPortalP51271.
SMRP51271. Positions 4-220.
ModBaseSearch...
MobiDBSearch...

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Genome annotation databases

GeneID809900.

Family and domain databases

Gene3D1.20.910.10. 1 hit.
InterProIPR002051. Haem_Oase.
IPR016053. Haem_Oase-like.
IPR016084. Haem_Oase-like_multi-hlx.
IPR018207. Haem_oxygenase_CS.
[Graphical view]
PANTHERPTHR10720. PTHR10720. 1 hit.
PfamPF01126. Heme_oxygenase. 1 hit.
[Graphical view]
PIRSFPIRSF000343. Haem_Oase. 1 hit.
PRINTSPR00088. HAEMOXYGNASE.
SUPFAMSSF48613. SSF48613. 1 hit.
PROSITEPS00593. HEME_OXYGENASE. 1 hit.
[Graphical view]
ProtoNetSearch...

Entry information

Entry nameHO_PORPU
AccessionPrimary (citable) accession number: P51271
Entry history
Integrated into UniProtKB/Swiss-Prot: October 1, 1996
Last sequence update: October 1, 1996
Last modified: May 14, 2014
This is version 61 of the entry and version 1 of the sequence. [Complete history]
Entry statusReviewed (UniProtKB/Swiss-Prot)

Relevant documents

SIMILARITY comments

Index of protein domains and families