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O19998

- HO_RHOVL

UniProt

O19998 - HO_RHOVL

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Protein
Heme oxygenase
Gene
pbsA
Organism
Rhodella violacea (Red alga)
Status
Reviewed - Annotation score: 3 out of 5 - Protein inferred from homologyi

Functioni

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.

Catalytic activityi

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

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Metal bindingi19 – 191Iron (heme axial ligand) By similarity

GO - Molecular functioni

  1. heme oxygenase (decyclizing) activity Source: UniProtKB-EC
  2. metal ion binding Source: UniProtKB-KW
Complete GO annotation...

GO - Biological processi

  1. heme oxidation Source: InterPro
  2. photosynthesis Source: UniProtKB-KW
Complete GO annotation...

Keywords - Molecular functioni

Oxidoreductase

Keywords - Biological processi

Photosynthesis

Keywords - Ligandi

Heme, Iron, Metal-binding

Names & Taxonomyi

Protein namesi
Recommended name:
Heme oxygenase (EC:1.14.99.3)
Gene namesi
Name:pbsA
Encoded oniPlastid; Chloroplast
OrganismiRhodella violacea (Red alga)
Taxonomic identifieri2801 [NCBI]
Taxonomic lineageiEukaryotaRhodophytaRhodellophyceaeRhodellalesRhodellaceaeRhodella

Subcellular locationi

GO - Cellular componenti

  1. chloroplast Source: UniProtKB-SubCell
Complete GO annotation...

Keywords - Cellular componenti

Chloroplast, Plastid

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 235235Heme oxygenase
PRO_0000209700Add
BLAST

Structurei

3D structure databases

ProteinModelPortaliO19998.
SMRiO19998. Positions 5-225.

Family & Domainsi

Sequence similaritiesi

Belongs to the heme oxygenase family.

Family and domain databases

Gene3Di1.20.910.10. 1 hit.
InterProiIPR002051. Haem_Oase.
IPR016053. Haem_Oase-like.
IPR016084. Haem_Oase-like_multi-hlx.
IPR018207. Haem_oxygenase_CS.
[Graphical view]
PANTHERiPTHR10720. PTHR10720. 1 hit.
PfamiPF01126. Heme_oxygenase. 1 hit.
[Graphical view]
PIRSFiPIRSF000343. Haem_Oase. 1 hit.
PRINTSiPR00088. HAEMOXYGNASE.
SUPFAMiSSF48613. SSF48613. 1 hit.
PROSITEiPS00593. HEME_OXYGENASE. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

O19998-1 [UniParc]FASTAAdd to Basket

« Hide

MIYDTNLALQ LRQGTTKAHS MAENVSFVKS FLGGVVDKQA YRQLIANFYF    50
VYSAIEDEMK RHQESQIIKP IYFEELNRKS SLEEDLQFYY GLEWQDKIFP 100
SPATKVYINR IHEISNTSPE LLIAHCYTRY LGDLSGGQIL KKITQSAMNL 150
SGGEGTAFYE FKDIKDEKNF KQNYRLALDS IHLSDSAIKS IVSEANIAFK 200
LNMKIFQELN SNFIKIIAIF LFNFIKRIKL PGFKS 235
Length:235
Mass (Da):27,144
Last modified:January 1, 1998 - v1
Checksum:iF0E797F8D5B72845
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AF000719, AF000717, AF000718 Genomic DNA. Translation: AAB66516.1.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AF000719 , AF000717 , AF000718 Genomic DNA. Translation: AAB66516.1 .

3D structure databases

ProteinModelPortali O19998.
SMRi O19998. Positions 5-225.
ModBasei Search...

Protocols and materials databases

Structural Biology Knowledgebase Search...

Family and domain databases

Gene3Di 1.20.910.10. 1 hit.
InterProi IPR002051. Haem_Oase.
IPR016053. Haem_Oase-like.
IPR016084. Haem_Oase-like_multi-hlx.
IPR018207. Haem_oxygenase_CS.
[Graphical view ]
PANTHERi PTHR10720. PTHR10720. 1 hit.
Pfami PF01126. Heme_oxygenase. 1 hit.
[Graphical view ]
PIRSFi PIRSF000343. Haem_Oase. 1 hit.
PRINTSi PR00088. HAEMOXYGNASE.
SUPFAMi SSF48613. SSF48613. 1 hit.
PROSITEi PS00593. HEME_OXYGENASE. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. "The heme oxygenase gene (pbsA) in the red alga Rhodella violacea is discontinuous and transcriptionally activated during iron limitation."
    Richaud C., Zabulon G.
    Proc. Natl. Acad. Sci. U.S.A. 94:11736-11741(1997) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].

Entry informationi

Entry nameiHO_RHOVL
AccessioniPrimary (citable) accession number: O19998
Entry historyi
Integrated into UniProtKB/Swiss-Prot: December 15, 1998
Last sequence update: January 1, 1998
Last modified: October 16, 2013
This is version 61 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)

Miscellaneousi

Documents

  1. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

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