Definition Prochlorococcus marinus str. MIT 9303, complete genome.
Accession NC_008820
Length 2,682,675

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The map label for this gene is psbX

Identifier: 124022031

GI number: 124022031

Start: 331935

End: 332054

Strand: Reverse

Name: psbX

Synonym: P9303_03201

Alternate gene names: 124022031

Gene position: 332054-331935 (Counterclockwise)

Preceding gene: 124022033

Following gene: 124022030

Centisome position: 12.38

GC content: 50.0

Gene sequence:

>120_bases
ATGACCGCTTCTCTCGCAAATTATCTAAGCAGCCTCGTTTGGGCCGCAGTAATCGTGGTAATACCAGCTGCCGTTGCCCT
GGTGTTGATCAGTCAAAACGACCAGATGTATCGCAAGTGA

Upstream 100 bases:

>100_bases
AACTGGTGTCACAAAGCTCAAAGCATCAGCAGTTCCATCGTAGAAAGTCACCCCTGATCATTAAGATCATGATGGCCTCG
CCCAAGTCAGAACCACTGCT

Downstream 100 bases:

>100_bases
TCGGGTTGACCGAAACTTCAAAGCACCCTTGGCGCACTTCGTAGACTGAGCTCAACGAGGTTGGTTTTCAACCTCCTGTT
CAGGCGTTTTCAGGGGGCGC

Product: photosystem II PsbX protein

Products: NA

Alternate protein names: NA

Number of amino acids: Translated: 39; Mature: 38

Protein sequence:

>39_residues
MTASLANYLSSLVWAAVIVVIPAAVALVLISQNDQMYRK

Sequences:

>Translated_39_residues
MTASLANYLSSLVWAAVIVVIPAAVALVLISQNDQMYRK
>Mature_38_residues
TASLANYLSSLVWAAVIVVIPAAVALVLISQNDQMYRK

Specific function: Involved in the binding and/or turnover of quinones at the Q(B) site of Photosystem II

COG id: NA

COG function: NA

Gene ontology:

Cell location: Cellular thylakoid membrane; Single-pass membrane protein

Metaboloic importance: NA

Operon status: Not Known

Operon components: None

Similarity: Belongs to the psbX family. Type 1 subfamily

Homologues:

None

Paralogues:

None

Copy number: NA

Swissprot (AC and ID): PSBX_PROM3 (A2C6G3)

Other databases:

- EMBL:   CP000554
- RefSeq:   YP_001016338.1
- STRING:   A2C6G3
- GeneID:   4778358
- GenomeReviews:   CP000554_GR
- KEGG:   pmf:P9303_03201
- eggNOG:   NOG44174
- HOGENOM:   HBG188085
- ProtClustDB:   CLSK647285
- GO:   GO:0015979
- HAMAP:   MF_01386
- InterPro:   IPR009518

Pfam domain/function: PF06596 PsbX

EC number: NA

Molecular weight: Translated: 4221; Mature: 4090

Theoretical pI: Translated: 9.14; Mature: 9.14

Prosite motif: NA

Important sites: NA

Signals:

None

Transmembrane regions:

HASH(0x12e002e8)-;

Cys/Met content:

0.0 %Cys     (Translated Protein)
5.1 %Met     (Translated Protein)
5.1 %Cys+Met (Translated Protein)
0.0 %Cys     (Mature Protein)
2.6 %Met     (Mature Protein)
2.6 %Cys+Met (Mature Protein)

Secondary structure:

>Translated Secondary Structure
MTASLANYLSSLVWAAVIVVIPAAVALVLISQNDQMYRK
CCCHHHHHHHHHHHHHHHHHHHHHHHHHHHCCCCHHHCH
>Mature Secondary Structure 
TASLANYLSSLVWAAVIVVIPAAVALVLISQNDQMYRK
CCHHHHHHHHHHHHHHHHHHHHHHHHHHHCCCCHHHCH

PDB accession: NA

Resolution: NA

Structure class: Alpha

Cofactors: NA

Metal ions: NA

Kcat value (1/min): NA

Specific activity: NA

Km value (mM): NA

Substrates: NA

Specific reaction: NA

General reaction: NA

Inhibitor: NA

Structure determination priority: 7.0

TargetDB status: NA

Availability: NA

References: NA