Q55356 (PSB28_SYNY3) Reviewed, UniProtKB/Swiss-Prot

Names and origin

Protein names

Recommended name:
Photosystem II reaction center Psb28 protein

Alternative name(s):
Photosystem II 13 kDa protein
Photosystem II reaction center W protein

Gene names

Name:	psb28
Synonyms:	psbW
Ordered Locus Names:	sll1398

Organism

Synechocystis sp. (strain PCC 6803 / Kazusa) [Reference proteome] [HAMAP]

Taxonomic identifier

1111708 [NCBI]

Taxonomic lineage

cellular organisms › Bacteria › Cyanobacteria › Oscillatoriophycideae › Chroococcales › Synechocystis › Synechocystis sp. PCC 6803

Protein attributes

Sequence length	112 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is further processed into a mature form.
Protein existence	Evidence at protein level

General annotation (Comments)

Subunit structure	Part of the photosystem II complex.
Subcellular location	Cellular thylakoid membrane; Peripheral membrane protein; Cytoplasmic side HAMAP-Rule MF_01370.
Sequence similarities	Belongs to the psb28 family.

Ontologies

Keywords
Biological process	Photosynthesis
Cellular component	Membrane Photosystem II Thylakoid
Technical term	3D-structure Complete proteome Direct protein sequencing Reference proteome
Gene Ontology (GO)
Biological_process	photosynthesis Inferred from electronic annotation. Source: HAMAP
Cellular_component	oxygen evolving complex Inferred from electronic annotation. Source: InterPro plasma membrane-derived thylakoid photosystem II Inferred from direct assay Ref.3. Source: UniProtKB thylakoid membrane Inferred from electronic annotation. Source: UniProtKB-SubCell
Complete GO annotation...

Sequence annotation (Features)

Feature key

Position(s)

Length

Description

Graphical view

Feature identifier

Molecule processing

Initiator methionine

1

1

Removed Ref.3

Chain

2 – 112

111

Photosystem II reaction center Psb28 protein HAMAP-Rule MF_01370

PRO_0000217286

Secondary structure

1

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112

Helix Strand Turn

Details...

Beta strand

3 – 9

7

Beta strand

17 – 22

6

Beta strand

28 – 37

10

Helix

39 – 41

3

Helix

46 – 48

3

Beta strand

52 – 55

4

Beta strand

60 – 63

4

Beta strand

66 – 71

6

Beta strand

74 – 84

11

Helix

88 – 103

16

Beta strand

106 – 108

3

Sequences

	Sequence		Length	Mass (Da)
	Q55356 [UniParc]. Last modified January 23, 2007. Version 3. Checksum: B6DEB024B466B220	FASTA	112	12,590
	10 20 30 40 50 60 MAEIQFSKGV AETVVPEVRL SKSKNGQSGM AKFYFLEPTI LAKESTDDIT GMYLIDDEGE 70 80 90 100 110 IITREVKGKF INGRPTAIEA TVILNSQPEW DRFMRFMERY GAENGLGFSK SE

References

	« Hide 'large scale' referencesShow 'large scale' references »
[1]	"Cloning of genes for the 11 kDa and 13 kDa proteins of photosystem II from Synechocystis sp. PCC 6803." Ikeuchi M., Katoh H. Submitted (FEB-1996) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].
[2]	"Sequence analysis of the genome of the unicellular cyanobacterium Synechocystis sp. strain PCC6803. II. Sequence determination of the entire genome and assignment of potential protein-coding regions." Kaneko T., Sato S., Kotani H., Tanaka A., Asamizu E., Nakamura Y., Miyajima N., Hirosawa M., Sugiura M., Sasamoto S., Kimura T., Hosouchi T., Matsuno A., Muraki A., Nakazaki N., Naruo K., Okumura S., Shimpo S. , Takeuchi C., Wada T., Watanabe A., Yamada M., Yasuda M., Tabata S. DNA Res. 3:109-136(1996) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: PCC 6803 / Kazusa.
[3]	"Proteomic analysis of a highly active photosystem II preparation from the cyanobacterium Synechocystis sp. PCC 6803 reveals the presence of novel polypeptides." Kashino Y., Lauber W.M., Carroll J.A., Wang Q., Whitmarsh J., Satoh K., Pakrasi H.B. Biochemistry 41:8004-8012(2002) [PubMed] [Europe PMC] [Abstract] Cited for: PROTEIN SEQUENCE OF 2-12, IDENTIFICATION AS PART OF PHOTOSYSTEM II.
+	Additional computationally mapped references.

Cross-references

Sequence databases

EMBL
GenBank
DDBJ

D82937 Genomic DNA. Translation: BAA11641.1.
BA000022 Genomic DNA. Translation: BAA16618.1.

PIR

S74466.

RefSeq

NP_439938.1. NC_000911.1.
YP_005649993.1. NC_017277.1.
YP_007449821.1. NC_020286.1.

3D structure databases

PDBe
RCSB PDB
PDBj

Entry	Method	Resolution (Å)	Chain	Positions	PDBsum
2KVO	NMR	-	A	1-112	[»]

ProteinModelPortal

Q55356.

ModBase

Search...

Protein-protein interaction databases

IntAct

Q55356. 6 interactions.

STRING

1148.sll1398.

Proteomic databases

PaxDb

Q55356.

Protocols and materials databases

StructuralBiologyKnowledgebase

Search...

Genome annotation databases

EnsemblBacteria

BAA16618; BAA16618; BAA16618.

GeneID

12253746.
14615462.
952386.

KEGG

syn:sll1398.
syy:SYNGTS_0040.

PATRIC

23836938. VBISynSp132158_0044.

Phylogenomic databases

eggNOG

NOG08123.

HOGENOM

HOG000238646.

KO

K08903.

OMA

ERFMRFA.

ProtClustDB

PRK13612.

Enzyme and pathway databases

BioCyc

MetaCyc:PSBW-MONOMER.

Family and domain databases

HAMAP

MF_01370. PSII_Psb28.

InterPro

IPR005610. PSII_Psb28_class-1.
[Graphical view]

Pfam

PF03912. Psb28. 1 hit.
[Graphical view]

ProDom

PD012692. PSII_Psb28_class-1. 1 hit.
[Graphical view] [Entries sharing at least one domain]

TIGRFAMs

TIGR03047. PS_II_psb28. 1 hit.

ProtoNet

Search...

Other

EvolutionaryTrace

Q55356.

Entry information

Entry name

PSB28_SYNY3

Accession

Primary (citable) accession number: Q55356

Entry history

Integrated into UniProtKB/Swiss-Prot:	July 15, 1998
Last sequence update:	January 23, 2007
Last modified:	May 1, 2013
This is version 78 of the entry and version 3 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program