Definition Nostoc sp. PCC 7120, complete genome.
Accession NC_003272
Length 6,413,771

Click here to switch to the map view.

The map label for this gene is hsdS [H]

Identifier: 17230968

GI number: 17230968

Start: 4196104

End: 4196403

Strand: Direct

Name: hsdS [H]

Synonym: alr3476

Alternate gene names: 17230968

Gene position: 4196104-4196403 (Clockwise)

Preceding gene: 17230967

Following gene: 17230969

Centisome position: 65.42

GC content: 29.67

Gene sequence:

>300_bases
ATGAAGCTTGAAAGTTTTTTTGATAATTTTGAATTGTTAACTGATGCGCCAAATGCGAGCGCAAAGCTGCGGGATTTGAT
TTTGCAATTGGCTGTTAAAGGTAAGCTAGTTAATCAAGATTTAAATGATGAATCAGCCTCAATTCTTTTGGAGAATGTCC
AAGCTCAAAAAGAAAAAATAACTGGTGGGCGAAAAATTGAAAAAGAAAATTTTTTGTTAGAAATTGAAGAGAAAGAATAT
TTTTATAATATACCTCCAAAATGGATATATACAAGATTAGAAAATATTAGCTTTTTTTAG

Upstream 100 bases:

>100_bases
GATTTAGATGAAATGTTAGCAGATCATCAAAAACTTATGGCTGAATTGGGTGAGGTGCGGAGTAAGTTGAAATTTGAATT
AATGGAAGCGTTGGAAAGAG

Downstream 100 bases:

>100_bases
GAGGATATGCTTTTAAAAGTAATTCCTACGTACAATACTCAAATAACCAAATAATAAGACTAGGAAATGTAAAAAATGAC
GAAATACTTTTGAATCAGAA

Product: type I restriction-modification enzyme S subunit

Products: NA

Alternate protein names: S.EcoAI; Type I restriction enzyme EcoAI specificity protein; S protein [H]

Number of amino acids: Translated: 99; Mature: 99

Protein sequence:

>99_residues
MKLESFFDNFELLTDAPNASAKLRDLILQLAVKGKLVNQDLNDESASILLENVQAQKEKITGGRKIEKENFLLEIEEKEY
FYNIPPKWIYTRLENISFF

Sequences:

>Translated_99_residues
MKLESFFDNFELLTDAPNASAKLRDLILQLAVKGKLVNQDLNDESASILLENVQAQKEKITGGRKIEKENFLLEIEEKEY
FYNIPPKWIYTRLENISFF
>Mature_99_residues
MKLESFFDNFELLTDAPNASAKLRDLILQLAVKGKLVNQDLNDESASILLENVQAQKEKITGGRKIEKENFLLEIEEKEY
FYNIPPKWIYTRLENISFF

Specific function: The M and S subunits together form a methyltransferase (MTase) that methylates two adenine residues in complementary strands of a bipartite DNA recognition sequence. In the presence of the R subunit the complex can also act as an endonuclease, binding to

COG id: COG0732

COG function: function code V; Restriction endonuclease S subunits

Gene ontology:

Cell location: Cytoplasmic

Metaboloic importance: NA

Operon status: Not Known

Operon components: None

Similarity: Belongs to the type-I restriction system S methylase family [H]

Homologues:

None

Paralogues:

None

Copy number: NA

Swissprot (AC and ID): NA

Other databases:

- InterPro:   IPR000055 [H]

Pfam domain/function: PF01420 Methylase_S [H]

EC number: NA

Molecular weight: Translated: 11570; Mature: 11570

Theoretical pI: Translated: 4.57; Mature: 4.57

Prosite motif: NA

Important sites: NA

Signals:

None

Transmembrane regions:

None

Cys/Met content:

0.0 %Cys     (Translated Protein)
1.0 %Met     (Translated Protein)
1.0 %Cys+Met (Translated Protein)
0.0 %Cys     (Mature Protein)
1.0 %Met     (Mature Protein)
1.0 %Cys+Met (Mature Protein)

Secondary structure:

>Translated Secondary Structure
MKLESFFDNFELLTDAPNASAKLRDLILQLAVKGKLVNQDLNDESASILLENVQAQKEKI
CCCHHHHCCCCEEECCCCCHHHHHHHHHHHHHHCHHCCCCCCCHHHHHHHHHHHHHHHHC
TGGRKIEKENFLLEIEEKEYFYNIPPKWIYTRLENISFF
CCCCEECCCCCEEEEECCCEEECCCHHHHHHHHHHCCCC
>Mature Secondary Structure
MKLESFFDNFELLTDAPNASAKLRDLILQLAVKGKLVNQDLNDESASILLENVQAQKEKI
CCCHHHHCCCCEEECCCCCHHHHHHHHHHHHHHCHHCCCCCCCHHHHHHHHHHHHHHHHC
TGGRKIEKENFLLEIEEKEYFYNIPPKWIYTRLENISFF
CCCCEECCCCCEEEEECCCEEECCCHHHHHHHHHHCCCC

PDB accession: NA

Resolution: NA

Structure class: Unstructured

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: 10.0

TargetDB status: NA

Availability: NA

References: 2642743 [H]