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P30942 (PHE1_RHDS2) Reviewed, UniProtKB/Swiss-Prot

Last modified October 16, 2013. Version 62. Feed History...

Clusters with 100%, 90%, 50% identity | Documents (1) | Third-party data text xml rdf/xml gff fasta
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Names and origin

Protein namesRecommended name:
Phycoerythrin alpha-1 chain
Gene names
Name:cpeA1
OrganismRhodomonas sp. (strain CS 24) (Chroomonas sp. (strain CS24))
Taxonomic identifier79257 [NCBI]
Taxonomic lineageEukaryotaCryptophytaPyrenomonadalesPyrenomonadaceaeRhodomonas

Protein attributes

Sequence length44 AA.
Sequence statusFragment.
Protein existenceEvidence at protein level

General annotation (Comments)

Function

Light-harvesting photosynthetic tetrapyrrole chromophore-protein from the phycobiliprotein complex.

Subunit structure

Heterotetramer of 2 different alpha chains and 2 identical beta chains. The subunit composition could comprise of any combination of 2 out of 4 different alpha units with an invariant beta unit By similarity.

Subcellular location

Plastidchloroplast thylakoid membrane; Peripheral membrane protein; Lumenal side.

Post-translational modification

Contains one covalently linked 15,16-dihydrobiliverdin chromophore By similarity.

Miscellaneous

The light-harvesting system in Cryptophytes contains phycobiliprotein complexes. Unusually they are composed of either phycoerythrin (CPE) or phycocyanin (CPC) but never allophycocyanin (APC), with only one type of biliprotein being present in any one species. Unlike cyanobacteria or red algae these proteins are not arranged into higher-order phycobilisome complexes, and they are found in the thylakoid lumen.

Sequence similarities

Belongs to the phycoerythrin family.

Sequence annotation (Features)

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifier

Molecule processing

Chain1 – ›44›44Phycoerythrin alpha-1 chain
PRO_0000199209

Regions

Region24 – 26315,16-dihydrobiliverdin chromophore By similarity

Sites

Binding site19115,16-dihydrobiliverdin chromophore (covalent; via 1 link) By similarity
Binding site21115,16-dihydrobiliverdin chromophore By similarity
Binding site40115,16-dihydrobiliverdin chromophore By similarity

Amino acid modifications

Modified residue415-hydroxylysine By similarity

Experimental info

Non-terminal residue441

Sequences

Sequence LengthMass (Da)Tools
P30942 [UniParc].

Last modified July 1, 1993. Version 1.
Checksum: 2EBE2D2EAF47AA7E

FASTA444,723
        10         20         30         40 
AMDKSAKAPQ ITIFDHRGCS RAPKSETGGT ATKDDQMMVK VSQV 

« Hide

References

[1]"A genomic clone encoding a cryptophyte phycoerythrin alpha-subunit. Evidence for three alpha-subunits and an N-terminal membrane transit sequence."
Jenkins J., Hiller R.G., Speirs J., Godovac-Zimmermann J.
FEBS Lett. 273:191-194(1990) [PubMed] [Europe PMC] [Abstract]
Cited for: PROTEIN SEQUENCE.

Cross-references

3D structure databases

ProteinModelPortalP30942.
SMRP30942. Positions 1-44.
ModBaseSearch...
MobiDBSearch...

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Family and domain databases

Gene3D3.90.510.10. 1 hit.
InterProIPR011070. Globular_prot_asu/bsu.
IPR004228. Phycoerythr_a_core.
[Graphical view]
PfamPF02972. Phycoerythr_ab. 1 hit.
[Graphical view]
ProDomPD019398. Phycoerythr_a/b_core. 1 hit.
[Graphical view] [Entries sharing at least one domain]
SUPFAMSSF56568. SSF56568. 1 hit.
ProtoNetSearch...

Entry information

Entry namePHE1_RHDS2
AccessionPrimary (citable) accession number: P30942
Entry history
Integrated into UniProtKB/Swiss-Prot: July 1, 1993
Last sequence update: July 1, 1993
Last modified: October 16, 2013
This is version 62 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