P17230 (PSAJ_SPIOL) Reviewed, UniProtKB/Swiss-Prot

Names and origin

Protein names

Recommended name:
Photosystem I reaction center subunit IX

Alternative name(s):
PSI-J

Gene names

Name:

psaJ

Encoded on

Plastid; Chloroplast

Organism

Spinacia oleracea (Spinach)

Taxonomic identifier

3562 [NCBI]

Taxonomic lineage

cellular organisms › Eukaryota › Viridiplantae › Streptophyta › Streptophytina › Embryophyta › Tracheophyta › Euphyllophyta › Spermatophyta › Magnoliophyta › eudicotyledons › core eudicotyledons › Caryophyllales › Amaranthaceae › Spinacia

Protein attributes

Sequence length	44 AA.
Sequence status	Complete.
Protein existence	Evidence at protein level

General annotation (Comments)

Function	May help in the organization of the PsaE and PsaF subunits. HAMAP-Rule MF_00522
Subcellular location	Plastid › chloroplast thylakoid membrane; Single-pass membrane protein By similarity HAMAP-Rule MF_00522.
Sequence similarities	Belongs to the PsaJ family.

Ontologies

Keywords
Biological process	Photosynthesis
Cellular component	Chloroplast Membrane Photosystem I Plastid Thylakoid
Domain	Transmembrane Transmembrane helix
Technical term	3D-structure Direct protein sequencing
Gene Ontology (GO)
Biological_process	photosynthesis Inferred from electronic annotation. Source: HAMAP
Cellular_component	chloroplast thylakoid membrane Inferred from electronic annotation. Source: UniProtKB-SubCell integral to membrane Inferred from electronic annotation. Source: UniProtKB-KW photosystem I 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 – 44

44

Photosystem I reaction center subunit IX HAMAP-Rule MF_00522

PRO_0000207816

Regions

Transmembrane

7 – 27

21

Helical; Potential

Secondary structure

1

.

.

.

.

.

.

.

.

44

Helix Strand Turn

Details...

Helix

15 – 17

3

Turn

18 – 21

4

Helix

22 – 24

3

Beta strand

27 – 29

3

Turn

30 – 32

3

Sequences

	Sequence		Length	Mass (Da)
	P17230 [UniParc]. Last modified August 29, 2001. Version 2. Checksum: BB375EEAF244CEBA	FASTA	44	5,077
	10 20 30 40 MRDFKTYLSV APVLSTLWFG SLAGLLIEIN RFFPDALTFP FFSF

References

	« Hide 'large scale' referencesShow 'large scale' references »
[1]	"The plastid chromosome of spinach (Spinacia oleracea): complete nucleotide sequence and gene organization." Schmitz-Linneweber C., Maier R.M., Alcaraz J.-P., Cottet A., Herrmann R.G., Mache R. Plant Mol. Biol. 45:307-315(2001) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: cv. Geant d'hiver and cv. Monatol.
[2]	"Polypeptide composition of higher plant photosystem I complex. Identification of psaI, psaJ and psaK gene products." Ikeuchi M., Hirano A., Hiyama T., Inoue Y. FEBS Lett. 263:274-278(1990) [PubMed] [Europe PMC] [Abstract] Cited for: PROTEIN SEQUENCE OF 1-16.
+	Additional computationally mapped references.

Cross-references

Sequence databases

EMBL
GenBank
DDBJ

AJ400848 Genomic DNA. Translation: CAB88748.1.

PIR

S09732.

RefSeq

NP_054955.1. NC_002202.1.

3D structure databases

PDBe
RCSB PDB
PDBj

Entry	Method	Resolution (Å)	Chain	Positions	PDBsum
2O01	X-ray	3.40	J	1-42	[»]
2WSC	X-ray	3.30	J	1-44	[»]
2WSE	X-ray	3.49	J	1-44	[»]
2WSF	X-ray	3.48	J	1-44	[»]

ProteinModelPortal

P17230.

SMR

P17230. Positions 1-42.

ModBase

Search...

Protocols and materials databases

StructuralBiologyKnowledgebase

Search...

Genome annotation databases

GeneID

2715606.

Phylogenomic databases

ProtClustDB

CHL00105.

Family and domain databases

HAMAP

MF_00522. PSI_PsaJ.

InterPro

IPR002615. PSI_PsaJ.
[Graphical view]

Pfam

PF01701. PSI_PsaJ. 1 hit.
[Graphical view]

ProDom

PD004198. PSI_PsaJ. 1 hit.
[Graphical view] [Entries sharing at least one domain]

SUPFAM

SSF81544. PSI_PsaJ. 1 hit.

ProtoNet

Search...

Other

EvolutionaryTrace

P17230.

Entry information

Entry name

PSAJ_SPIOL

Accession

Primary (citable) accession number: P17230
Secondary accession number(s): Q9M3K9

Entry history

Integrated into UniProtKB/Swiss-Prot:	August 1, 1990
Last sequence update:	August 29, 2001
Last modified:	April 3, 2013
This is version 70 of the entry and version 2 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Plant Protein Annotation Program