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Protein

Photosystem I reaction center subunit VIII

Gene

psaI

Organism
Pisum sativum (Garden pea)
Status
Reviewed-Annotation score: Annotation score: 2 out of 5-Experimental evidence at protein leveli

Functioni

May help in the organization of the PsaL subunit.

GO - Biological processi

Complete GO annotation...

Keywords - Biological processi

Photosynthesis

Names & Taxonomyi

Protein namesi
Recommended name:
Photosystem I reaction center subunit VIII
Short name:
PSI-I
Gene namesi
Name:psaI
Encoded oniPlastid; Chloroplast
OrganismiPisum sativum (Garden pea)
Taxonomic identifieri3888 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaeudicotyledonsGunneridaePentapetalaerosidsfabidsFabalesFabaceaePapilionoideaeFabeaePisum

Subcellular locationi

Topology

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Transmembranei8 – 2821HelicalSequence analysisAdd
BLAST

GO - Cellular componenti

Complete GO annotation...

Keywords - Cellular componenti

Chloroplast, Membrane, Photosystem I, Plastid, Thylakoid

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 4040Photosystem I reaction center subunit VIIIPRO_0000194668Add
BLAST

Interactioni

Protein-protein interaction databases

DIPiDIP-60289N.

Structurei

Secondary structure

1
40
Legend: HelixTurnBeta strand
Show more details
Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Helixi5 – 139Combined sources
Helixi15 – 2915Combined sources

3D structure databases

Select the link destinations:
PDBei
RCSB PDBi
PDBji
Links Updated
EntryMethodResolution (Å)ChainPositionsPDBsum
1YO9model-I1-40[»]
2O01X-ray3.40I1-30[»]
2WSCX-ray3.30I1-40[»]
2WSEX-ray3.49I1-40[»]
2WSFX-ray3.48I1-40[»]
3LW5X-ray3.30I1-30[»]
4RKUX-ray3.00I5-30[»]
4XK8X-ray2.80I/i2-31[»]
4Y28X-ray2.80I3-32[»]
ProteinModelPortaliP17227.
SMRiP17227. Positions 1-30.
ModBaseiSearch...
MobiDBiSearch...

Miscellaneous databases

EvolutionaryTraceiP17227.

Family & Domainsi

Sequence similaritiesi

Belongs to the PsaI family.Curated

Keywords - Domaini

Transmembrane, Transmembrane helix

Family and domain databases

HAMAPiMF_00431. PSI_PsaI. 1 hit.
InterProiIPR001302. PSI_PsaI.
[Graphical view]
PfamiPF00796. PSI_8. 1 hit.
[Graphical view]
ProDomiPD003995. PSI_su8. 1 hit.
[Graphical view] [Entries sharing at least one domain]
SUPFAMiSSF81540. SSF81540. 1 hit.
TIGRFAMsiTIGR03052. PS_I_psaI. 1 hit.

Sequencei

Sequence statusi: Complete.

P17227-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40
MINLPSLFVP LVGLLFPAVA MASLFLHVEK RLLFSTKKIN
Length:40
Mass (Da):4,470
Last modified:December 1, 1992 - v2
Checksum:i3CE0B06A11A58E48
GO

Experimental Info

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Sequence conflicti13 – 131G → S AA sequence (PubMed:8262226).Curated
Sequence conflicti22 – 221A → R AA sequence (PubMed:8262226).Curated

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
X56315 Genomic DNA. Translation: CAA39757.1.
X54750 Genomic DNA. Translation: CAA38547.1.
PIRiS17921.
RefSeqiYP_003587557.1. NC_014057.1.

Genome annotation databases

GeneIDi9073045.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
X56315 Genomic DNA. Translation: CAA39757.1.
X54750 Genomic DNA. Translation: CAA38547.1.
PIRiS17921.
RefSeqiYP_003587557.1. NC_014057.1.

3D structure databases

Select the link destinations:
PDBei
RCSB PDBi
PDBji
Links Updated
EntryMethodResolution (Å)ChainPositionsPDBsum
1YO9model-I1-40[»]
2O01X-ray3.40I1-30[»]
2WSCX-ray3.30I1-40[»]
2WSEX-ray3.49I1-40[»]
2WSFX-ray3.48I1-40[»]
3LW5X-ray3.30I1-30[»]
4RKUX-ray3.00I5-30[»]
4XK8X-ray2.80I/i2-31[»]
4Y28X-ray2.80I3-32[»]
ProteinModelPortaliP17227.
SMRiP17227. Positions 1-30.
ModBaseiSearch...
MobiDBiSearch...

Protein-protein interaction databases

DIPiDIP-60289N.

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

GeneIDi9073045.

Miscellaneous databases

EvolutionaryTraceiP17227.

Family and domain databases

HAMAPiMF_00431. PSI_PsaI. 1 hit.
InterProiIPR001302. PSI_PsaI.
[Graphical view]
PfamiPF00796. PSI_8. 1 hit.
[Graphical view]
ProDomiPD003995. PSI_su8. 1 hit.
[Graphical view] [Entries sharing at least one domain]
SUPFAMiSSF81540. SSF81540. 1 hit.
TIGRFAMsiTIGR03052. PS_I_psaI. 1 hit.
ProtoNetiSearch...

Entry informationi

Entry nameiPSAI_PEA
AccessioniPrimary (citable) accession number: P17227
Entry historyi
Integrated into UniProtKB/Swiss-Prot: August 1, 1990
Last sequence update: December 1, 1992
Last modified: December 9, 2015
This is version 87 of the entry and version 2 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programPlant Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

3D-structure, Direct protein sequencing

Documents

  1. PDB cross-references
    Index of Protein Data Bank (PDB) cross-references
  2. SIMILARITY comments
    Index of protein domains and families

Similar proteinsi

Links to similar proteins from the UniProt Reference Clusters (UniRef) at 100%, 90% and 50% sequence identity:
100%UniRef100 combines identical sequences and sub-fragments with 11 or more residues from any organism into one UniRef entry.
90%UniRef90 is built by clustering UniRef100 sequences that have at least 90% sequence identity to, and 80% overlap with, the longest sequence (a.k.a seed sequence).
50%UniRef50 is built by clustering UniRef90 seed sequences that have at least 50% sequence identity to, and 80% overlap with, the longest sequence in the cluster.