Reviewed, UniProtKB/Swiss-Prot Q1XDL5 (HO_PORYE)

Names and origin

Protein names

Recommended name:
    Heme oxygenase
    EC=1.14.99.3

Gene names

Name:

pbsA

Encoded on

Plastid; Chloroplast

Organism

Porphyra yezoensis

Taxonomic identifier

2788 [NCBI]

Taxonomic lineage

Eukaryota › Rhodophyta › Bangiophyceae › Bangiales › Bangiaceae › Porphyra

Protein attributes

Sequence length	238 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is not processed.
Protein existence	Inferred 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	Heme + 3 AH2 + 3 O2 = biliverdin + Fe2+ + CO + 3 A + 3 H2O.
Subcellular location	Plastid › chloroplast.
Sequence similarities	Belongs to the heme oxygenase family.

Ontologies

Keywords
Biological process	Photosynthesis
Cellular component	Chloroplast Plastid
Ligand	Heme Iron Metal-binding
Molecular function	Oxidoreductase
Gene Ontology (GO)
Biological process	heme oxidation Inferred from electronic annotation. Source: InterPro oxidation reduction Inferred from electronic annotation. Source: UniProtKB-KW photosynthesis Inferred from electronic annotation. Source: UniProtKB-KW
Cellular component	chloroplast Inferred from electronic annotation. Source: UniProtKB-SubCell
Molecular function	heme oxygenase (decyclizing) activity Inferred from electronic annotation. Source: EC iron 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 – 238	238	Heme oxygenase		PRO_0000277255
Sites
	Metal binding	17	1	Iron (heme axial ligand) By similarity

Sequences

	Sequence		Length	Mass (Da)
	Q1XDL5-1 [UniParc]. Last modified May 2, 2006. Version 1. Checksum: C304F15325E781C9	FASTA	238	27,058
	10 20 30 40 50 60 MVNTLANELR EGTTKSHSMA ENVSFVKSFL GGVVDKKSYR KLVANLYFVY CAIEEELFSN 70 80 90 100 110 120 KNHPAIKPIY FTELNRKASL SEDLNYYYGS DWLDFIEPSP ATKIYVDRIH TIGHKQPELL 130 140 150 160 170 180 VAHAYTRYLG DLSGGQILKK IARGAMNLSD SGGTKFYDFD QIKDDKLFKD QYRAALDMIP 190 200 210 220 230 LSDVQIQNIV SEANISFTLN MKMFEELNSS SLKIITMLIA NTIQKFKAKY KSTLAMVD

References

[1]

"Whole genome sequence of Porphyra yezoensis chloroplast." Kunimoto M., Morishima K., Yoshikawa M., Fukuda S., Kobayashi T., Kobayashi M., Okazaki T., Ohara I., Nakayama I. Submitted (NOV-2003) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: U-51. Tissue: Gametophyte.

Cross-references

Sequence databases
EMBLGenBankDDBJ	AP006715 Genomic DNA. Translation: BAE92396.1.
RefSeq	YP_536953.1.
3D structure databases
ModBase	Search...
Genome annotation databases
GeneID	3978895.
Enzyme and pathway databases
BRENDA	1.14.99.3. 257472.
Family and domain databases
InterPro	IPR002051. Haem_Oase. IPR016053. Haem_Oase-like. IPR016084. Haem_Oase-like_multi-hlx. IPR018207. Haem_oxygenase_CS. [Graphical view]
Gene3D	G3DSA:1.20.910.10. Haem_Oase-like_multi-hlx. 1 hit.
PANTHER	PTHR10720. Haem_Oase. 1 hit.
Pfam	PF01126. Heme_oxygenase. 1 hit. [Graphical view]
PIRSF	PIRSF000343. Haem_Oase. 1 hit.
PRINTS	PR00088. HAEMOXYGNASE.
PROSITE	PS00593. HEME_OXYGENASE. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

HO_PORYE

Accession

Primary (citable) accession number: Q1XDL5

Entry history

Integrated into UniProtKB/Swiss-Prot:	February 6, 2007
Last sequence update:	May 2, 2006
Last modified:	June 16, 2009
This is version 18 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation project

HAMAP (High-quality Automated and Manual Annotation of microbial Proteomes)