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The map label for this gene is mtsB [H]

Identifier: 21228530

GI number: 21228530

Start: 2897978

End: 2898805

Strand: Direct

Name: mtsB [H]

Synonym: MM_2428

Alternate gene names: 21228530

Gene position: 2897978-2898805 (Clockwise)

Preceding gene: 21228529

Following gene: 21228531

Centisome position: 70.75

GC content: 47.58

Gene sequence:

>828_bases
ATGATCAGGCATATTGACATCGCAGTCCAGAAGATTTTCGAGATGAAAGAAAAAGAACCTGCGAAATTCAAAAAACTTAT
TGATGAAGGGATCATGATCGGCCTCGGAGTGGACCTTGGAGACAGGAGCCGGGAAGAGTACACTGCAGGGCACATTAAGG
AGCAGAGCAGGCCGAAAGACCCCGATTATGCAGCCGTAACAGAGGCAGTGATTGAAGGAGATAGCGAGGAAACTGTAAGA
CTCACAGTTGCCCTGCTTGAAAAAGGAAAAGACCCTACGGACCTTGTCTTAAATGCCCTTATGCCGGGAATTCAGACCGT
TTGTGAGCTTTACGATATCGGAGAGAGTTATATGCCTGAGATCCTGCTGGCAAATGAGGCTCTCATAGGAGGGGTAAAAC
TCTGTCAGGAAAGGATCGGAGAGATCCGTTACGAGGGAAAAGTGGTATCCCTTGTTATTGAAGGAGACCTTCACGATATA
GGCAAGAACATTGTAGCAGCTATCCTCAGGGCAAACGGTTTCGAAGTGGTTGACCTCGGAAACGACATAACAGTGGAAGC
AGCCGTCAAAGCCGTAAAAGCAGCAAATGCCGACCTTGTTGTGGGAACAACCCTCATGAGTACAACAAAAGAGGGACTCA
AAGTTCTTGCAGAGGTTCTGGAATCCGAAGATGTCCCTGTAGCCTGTGGAGGGGCTGCCGTAGACAGACGCTTTGTTGAG
ACCTTCTGTAACTCAGTGTATGGAAAAACCCCGCTTGACGCAGTAAAAATTGCAAAAAATATCTGTGCAGGAAAGAGCTG
GAAAGAAGTCCGCAATGACCTTCACTGA

Upstream 100 bases:

>100_bases
CTCCAATCCCAAGATATGATGACGTTGAAGATCTTATCAGGCAGATTGGAGTCGGCATCGGGCGAAACATGAAAGAAAAC
GTTCTGGGAGGGATGCAGGA

Downstream 100 bases:

>100_bases
TTTTCTTTCCTTTTCCTTCCCTTATTTTTTTCTTTTTTCAGTTCTTTATTTGTAACTATTCAGGTAGCCTTAACGAGGCT
ACACATTTTTCCTCGTTCCG

Product: methylthiol:coenzyme M methyltransferase

Products: L-Methionine; 5,6,7,8-Tetrahydrofolate [C]

Alternate protein names: NA

Number of amino acids: Translated: 275; Mature: 275

Protein sequence:

>275_residues
MIRHIDIAVQKIFEMKEKEPAKFKKLIDEGIMIGLGVDLGDRSREEYTAGHIKEQSRPKDPDYAAVTEAVIEGDSEETVR
LTVALLEKGKDPTDLVLNALMPGIQTVCELYDIGESYMPEILLANEALIGGVKLCQERIGEIRYEGKVVSLVIEGDLHDI
GKNIVAAILRANGFEVVDLGNDITVEAAVKAVKAANADLVVGTTLMSTTKEGLKVLAEVLESEDVPVACGGAAVDRRFVE
TFCNSVYGKTPLDAVKIAKNICAGKSWKEVRNDLH

Sequences:

>Translated_275_residues
MIRHIDIAVQKIFEMKEKEPAKFKKLIDEGIMIGLGVDLGDRSREEYTAGHIKEQSRPKDPDYAAVTEAVIEGDSEETVR
LTVALLEKGKDPTDLVLNALMPGIQTVCELYDIGESYMPEILLANEALIGGVKLCQERIGEIRYEGKVVSLVIEGDLHDI
GKNIVAAILRANGFEVVDLGNDITVEAAVKAVKAANADLVVGTTLMSTTKEGLKVLAEVLESEDVPVACGGAAVDRRFVE
TFCNSVYGKTPLDAVKIAKNICAGKSWKEVRNDLH
>Mature_275_residues
MIRHIDIAVQKIFEMKEKEPAKFKKLIDEGIMIGLGVDLGDRSREEYTAGHIKEQSRPKDPDYAAVTEAVIEGDSEETVR
LTVALLEKGKDPTDLVLNALMPGIQTVCELYDIGESYMPEILLANEALIGGVKLCQERIGEIRYEGKVVSLVIEGDLHDI
GKNIVAAILRANGFEVVDLGNDITVEAAVKAVKAANADLVVGTTLMSTTKEGLKVLAEVLESEDVPVACGGAAVDRRFVE
TFCNSVYGKTPLDAVKIAKNICAGKSWKEVRNDLH

Specific function: Acts as a methyl group carrier between mtbB and mtbA [H]

COG id: NA

COG function: NA

Gene ontology:

Cell location: Cytoplasm [C]

Metaboloic importance: Non_Essential [C]

Operon status: Not Known

Operon components: None

Similarity: Contains 1 B12-binding N-terminal domain [H]

Homologues:

Organism=Homo sapiens, GI169790923, Length=167, Percent_Identity=25.748502994012, Blast_Score=65, Evalue=7e-11,
Organism=Escherichia coli, GI1790450, Length=177, Percent_Identity=28.2485875706215, Blast_Score=77, Evalue=1e-15,
Organism=Caenorhabditis elegans, GI17535405, Length=219, Percent_Identity=26.027397260274, Blast_Score=69, Evalue=2e-12,

Paralogues:

None

Copy number: 513 Molecules/Cell In: Growth Phase, Glucose-minimal MOPS Media. 1320 Molecules/Cell In: Glucose minimal media [C]

Swissprot (AC and ID): NA

Other databases:

- InterPro:   IPR006158
- InterPro:   IPR003759
- InterPro:   IPR012741 [H]

Pfam domain/function: PF02310 B12-binding; PF02607 B12-binding_2 [H]

EC number: 2.1.1.13 [C]

Molecular weight: Translated: 29879; Mature: 29879

Theoretical pI: Translated: 4.60; Mature: 4.60

Prosite motif: NA

Important sites: NA

Signals:

None

Transmembrane regions:

None

Cys/Met content:

1.8 %Cys     (Translated Protein)
2.2 %Met     (Translated Protein)
4.0 %Cys+Met (Translated Protein)
1.8 %Cys     (Mature Protein)
2.2 %Met     (Mature Protein)
4.0 %Cys+Met (Mature Protein)

Secondary structure:

>Translated Secondary Structure
MIRHIDIAVQKIFEMKEKEPAKFKKLIDEGIMIGLGVDLGDRSREEYTAGHIKEQSRPKD
CCCHHHHHHHHHHHHHCCCHHHHHHHHHCCEEEEECCCCCCCCHHHHHHHHHHHCCCCCC
PDYAAVTEAVIEGDSEETVRLTVALLEKGKDPTDLVLNALMPGIQTVCELYDIGESYMPE
CCHHHHHHHHHCCCCCHHHHHHHHHHHCCCCHHHHHHHHHHHHHHHHHHHHHCCHHHCCH
ILLANEALIGGVKLCQERIGEIRYEGKVVSLVIEGDLHDIGKNIVAAILRANGFEVVDLG
HHHHHHHHHHHHHHHHHHHHCEEECCEEEEEEEECCHHHHHHHHHHHHHHCCCEEEEECC
NDITVEAAVKAVKAANADLVVGTTLMSTTKEGLKVLAEVLESEDVPVACGGAAVDRRFVE
CCEEHHHHHHHHHHCCCCEEEHHHHHHHHHHHHHHHHHHHCCCCCCEEECCHHHHHHHHH
TFCNSVYGKTPLDAVKIAKNICAGKSWKEVRNDLH
HHHHHHCCCCCHHHHHHHHHHHCCCCHHHHHHCCC
>Mature Secondary Structure
MIRHIDIAVQKIFEMKEKEPAKFKKLIDEGIMIGLGVDLGDRSREEYTAGHIKEQSRPKD
CCCHHHHHHHHHHHHHCCCHHHHHHHHHCCEEEEECCCCCCCCHHHHHHHHHHHCCCCCC
PDYAAVTEAVIEGDSEETVRLTVALLEKGKDPTDLVLNALMPGIQTVCELYDIGESYMPE
CCHHHHHHHHHCCCCCHHHHHHHHHHHCCCCHHHHHHHHHHHHHHHHHHHHHCCHHHCCH
ILLANEALIGGVKLCQERIGEIRYEGKVVSLVIEGDLHDIGKNIVAAILRANGFEVVDLG
HHHHHHHHHHHHHHHHHHHHCEEECCEEEEEEEECCHHHHHHHHHHHHHHCCCEEEEECC
NDITVEAAVKAVKAANADLVVGTTLMSTTKEGLKVLAEVLESEDVPVACGGAAVDRRFVE
CCEEHHHHHHHHHHCCCCEEEHHHHHHHHHHHHHHHHHHHCCCCCCEEECCHHHHHHHHH
TFCNSVYGKTPLDAVKIAKNICAGKSWKEVRNDLH
HHHHHHCCCCCHHHHHHHHHHHCCCCHHHHHHCCC

PDB accession: NA

Resolution: NA

Structure class: Unstructured

Cofactors: ATP; Cobinamide; S-adenosyl-L-methionine [C]

Metal ions: Mg2+ [C]

Kcat value (1/min): 500-780 [C]

Specific activity: 3.8

Km value (mM): 0.035 {S-methyltetrahydrofolate}} 0.0016 {S-adenosyl-L-methionine}} 0.00065 {S-adenosyl-L-methionine}} 0.06 {methyltetrahydrofolate}} 0.03 {methyltetrahydrofolate}} 0.016 {homocysteine}} [C]

Substrates: 5-Methyltetrahydrofolate; L-Homocysteine [C]

Specific reaction: 5-Methyltetrahydrofolate + L-Homocysteine --> L-Methionine + 5,6,7,8-Tetrahydrofolate [C]

General reaction: Methyl group transfer [C]

Inhibitor: 5, 6-Dimethyl benzimidazole; alpha-Ribazole 3'-phosphate; Be2+; Cobinamide; Propyl iodide; Sr2+ [C]

Structure determination priority: 10.0

TargetDB status: NA

Availability: NA

References: 12125824 [H]