KEGG PATHWAY: bai00270

PATHWAY: bai00270

Entry

bai00270                    Pathway

Name

Cysteine and methionine metabolism - Bacillus anthracis A0248

Description

Cysteine and methionine are sulfur-containing amino acids. Cysteine is synthesized from serine through different pathways in different organism groups. In bacteria and plants, cysteine is converted from serine (via acetylserine) by transfer of hydrogen sulfide [MD:M00021]. In animals, methionine-derived homocysteine is used as sulfur source and its condensation product with serine (cystathionine) is converted to cysteine [MD:M00338]. Cysteine is metabolized to pyruvate in multiple routes. Methionine is an essential amino acid, which animals cannot synthesize. In bacteria and plants, methionine is synthesized from aspartate [MD:M00017]. S-Adenosylmethionine (SAM), synthesized from methionine and ATP, is a methyl group donor in many important transfer reactions including DNA methylation for regulation of gene expression. SAM may also be used to regenerate methionine in the methionine salvage pathway [MD:M00034].

Class

Metabolism; Amino acid metabolism

Pathway map

bai00270

Cysteine and methionine metabolism

Module

bai_M00017

Methionine biosynthesis, aspartate => homoserine => methionine [PATH:bai00270]

bai_M00021

Cysteine biosynthesis, serine => cysteine [PATH:bai00270]

bai_M00034

Methionine salvage pathway [PATH:bai00270]

bai_M00609

Cysteine biosynthesis, methionine => cysteine [PATH:bai00270]

Other DBs

GO:	0006534 0006555

Organism

Bacillus anthracis A0248 [GN:bai]

Gene

BAA_0104

cysE; serine O-acetyltransferase [KO:K00640] [EC:2.3.1.30]

BAA_0080

cysK1; cysteine synthase A [KO:K01738] [EC:2.5.1.47]

BAA_1902

cysK2; cysteine synthase A [KO:K01738] [EC:2.5.1.47]

BAA_4620

Cys/Met metabolism PLP-dependent enzyme [KO:K17217] [EC:4.4.1.1 4.4.1.2]

BAA_4500

Cys/Met metabolism PLP-dependent enzyme [KO:K01760] [EC:4.4.1.13]

BAA_5174

aminotransferase, classes I and II [KO:K14155] [EC:4.4.1.13]

BAA_4621

cysM; O-acetylserine lyase [KO:K17216] [EC:2.5.1.134]

BAA_4495

metH; 5-methyltetrahydrofolate--homocysteine methyltransferase [KO:K00548] [EC:2.1.1.13]

BAA_4496

homocysteine S-methyltransferase domain protein/methylenetetrahydrofolate reductase family protein [KO:K24042] [EC:2.1.1.13 1.5.1.54]

BAA_4241

metE; 5-methyltetrahydropteroyltriglutamate--homocysteine S-methyltransferase [KO:K00549] [EC:2.1.1.14]

BAA_5031

metK; methionine adenosyltransferase [KO:K00789] [EC:2.5.1.6]

BAA_5474

speD2; adenosylmethionine decarboxylase 2 [KO:K01611] [EC:4.1.1.50]

BAA_4836

speD1; S-adenosylmethionine decarboxylase proenzyme [KO:K01611] [EC:4.1.1.50]

BAA_5473

spermine/spermidine synthase family protein [KO:K00797] [EC:2.5.1.16]

BAA_5644

speE; spermidine synthase [KO:K00797] [EC:2.5.1.16]

BAA_4622

MTA/SAH nucleosidase [KO:K01243] [EC:3.2.2.9]

BAA_2623

phosphorylase family protein [KO:K01243] [EC:3.2.2.9]

BAA_0403

putative 5-methylthioribose kinase [KO:K00899] [EC:2.7.1.100]

BAA_4273

putative 5-methylthioribose kinase [KO:K00899] [EC:2.7.1.100]

BAA_4066

conserved hypothetical protein TIGR00726 [KO:K05810] [EC:2.4.2.1 2.4.2.28 3.5.4.4]

BAA_1934

chlorohydrolase family protein [KO:K12960] [EC:3.5.4.31 3.5.4.28]

BAA_0404

mtnA_1; S-methyl-5-thioribose-1-phosphate isomerase [KO:K08963] [EC:5.3.1.23]

BAA_4272

mtnA_2; S-methyl-5-thioribose-1-phosphate isomerase [KO:K08963] [EC:5.3.1.23]

BAA_4280

class II aldolase/adducin domain protein [KO:K08964] [EC:4.2.1.109]

BAA_4278

mtnW; 2,3-diketo-5-methylthiopentyl-1-phosphate enolase [KO:K08965] [EC:5.3.2.5]

BAA_4279

mtnX; 2-hydroxy-3-keto-5-methylthiopentenyl-1-phosphate phosphatase [KO:K08966] [EC:3.1.3.87]

BAA_4281

putative 5-methylthio-3-oxo-1-penten-1,2-diol dioxygenase [KO:K08967] [EC:1.13.11.53 1.13.11.54]

BAA_4276

aminotransferase, classes I and II [KO:K08969] [EC:2.6.1.117]

BAA_4918

megL; methionine gamma-lyase [KO:K01761] [EC:4.4.1.11]

BAA_4917

conserved hypothetical protein [KO:K08968] [EC:1.8.4.14]

BAA_3836

prophage LambdaBa01, C-5 cytosine-specific DNA methylase family protein [KO:K00558] [EC:2.1.1.37]

BAA_4623

conserved hypothetical protein [KO:K17462] [EC:2.1.1.-]

BAA_5058

luxS; autoinducer-2 production protein LuxS [KO:K07173] [EC:4.4.1.21]

BAA_3962

dapG2; aspartate kinase, monofunctional class [KO:K00928] [EC:2.7.2.4]

BAA_1880

dapG1; aspartate kinase, monofunctional class [KO:K00928] [EC:2.7.2.4]

BAA_2494

asd1; aspartate-semialdehyde dehydrogenase [KO:K00133] [EC:1.2.1.11]

BAA_3963

asd2; aspartate-semialdehyde dehydrogenase [KO:K00133] [EC:1.2.1.11]

BAA_2671

putative homoserine dehydrogenase [KO:K00003] [EC:1.1.1.3]

BAA_5681

hom2; homoserine dehydrogenase [KO:K00003] [EC:1.1.1.3]

BAA_2036

hom1; homoserine dehydrogenase [KO:K00003] [EC:1.1.1.3]

BAA_5682

metA; homoserine O-succinyltransferase [KO:K00651] [EC:2.3.1.46 2.3.1.31]

BAA_4994

putative homoserine O-acetyltransferase [KO:K00641] [EC:2.3.1.31 2.3.1.46]

BAA_4499

metI; cystathionine gamma-synthase/O-acetylhomoserine thiolyase [KO:K01739] [EC:2.5.1.48]

BAA_5683

O-acetylhomoserine/O-acetylserine sulfhydrylase [KO:K01740] [EC:2.5.1.49]

BAA_1483

ilvE1; branched-chain-amino-acid transaminase [KO:K00826] [EC:2.6.1.42]

BAA_1918

ilvE2; branched-chain-amino-acid transaminase [KO:K00826] [EC:2.6.1.42]

BAA_1635

aspB; aspartate aminotransferase [KO:K00812] [EC:2.6.1.1]

BAA_1668

rhodanese-like domain protein [KO:K01011] [EC:2.8.1.1 2.8.1.2]

BAA_5136

ldh2; L-lactate dehydrogenase [KO:K00016] [EC:1.1.1.27]

BAA_1993

ldh1; L-lactate dehydrogenase [KO:K00016] [EC:1.1.1.27]

BAA_5272

ldh3; L-lactate dehydrogenase [KO:K00016] [EC:1.1.1.27]

BAA_5018

aspartate racemase family protein [KO:K25316] [EC:5.1.1.10]

BAA_2285

aspartate racemase family protein [KO:K25316] [EC:5.1.1.10]

BAA_3282

putative pyridoxal phosphate-dependent deaminase [KO:K05396] [EC:4.4.1.15]

BAA_4848

mdh; malate dehydrogenase [KO:K00024] [EC:1.1.1.37]

BAA_3344

sdaAA1; L-serine dehydratase, iron-sulfur-dependent, alpha subunit [KO:K01752] [EC:4.3.1.17]

BAA_3345

sdaAB1; L-serine dehydratase, iron-sulfur-dependent, beta subunit [KO:K01752] [EC:4.3.1.17]

BAA_4382

sdaAA2; L-serine dehydratase, iron-sulfur-dependent, alpha subunit [KO:K01752] [EC:4.3.1.17]

BAA_4383

sdaAB2; L-serine dehydratase, iron-sulfur-dependent, beta subunit [KO:K01752] [EC:4.3.1.17]

BAA_3355

putative D-3-phosphoglycerate dehydrogenase [KO:K00058] [EC:1.1.1.95 1.1.1.399]

BAA_3356

serC; phosphoserine transaminase [KO:K00831] [EC:2.6.1.52]

Compound

C00019

S-Adenosyl-L-methionine

C00021

S-Adenosyl-L-homocysteine

C00022

Pyruvate

C00041

L-Alanine

C00049

L-Aspartate

C00051

Glutathione

C00059

Sulfate

C00065

L-Serine

C00073

L-Methionine

C00094

Sulfite

C00097

L-Cysteine

C00109

2-Oxobutanoate

C00155

L-Homocysteine

C00170

5'-Methylthioadenosine

C00197

3-Phospho-D-glycerate

C00263

L-Homoserine

C00283

Hydrogen sulfide

C00409

Methanethiol

C00441

L-Aspartate 4-semialdehyde

C00491

L-Cystine

C00506

L-Cysteate

C00606

3-Sulfino-L-alanine

C00793

D-Cysteine

C00957

Mercaptopyruvate

C00979

O-Acetyl-L-serine

C01005

O-Phospho-L-serine

C01077

O-Acetyl-L-homoserine

C01118

O-Succinyl-L-homoserine

C01137

S-Adenosylmethioninamine

C01180

4-Methylthio-2-oxobutanoic acid

C01234

1-Aminocyclopropane-1-carboxylate

C01817

L-Homocystine

C01962

Thiocysteine

C02218

Dehydroalanine

C02291

L-Cystathionine

C02356

(S)-2-Aminobutanoate

C02989

L-Methionine S-oxide

C03082

4-Phospho-L-aspartate

C03089

5-Methylthio-D-ribose

C03145

N-Formylmethionine

C03232

3-Phosphonooxypyruvate

C03431

S-Inosyl-L-homocysteine

C03539

S-Ribosyl-L-homocysteine

C04188

S-Methyl-5-thio-D-ribose 1-phosphate

C04582

S-Methyl-5-thio-D-ribulose 1-phosphate

C05324

Nicotianamine

C05524

Aminoacyl-L-methionine

C05526

S-Glutathionyl-L-cysteine

C05527

3-Sulfinylpyruvate

C05528

3-Sulfopyruvate

C05823

3-Mercaptolactate

C05824

S-Sulfo-L-cysteine

C06547

Ethylene

C08276

3-(Methylthio)propanoate

C09306

Sulfur dioxide

C11437

1-Deoxy-D-xylulose 5-phosphate

C11481

HSO3-

C11499

(S)-3-Sulfolactate

C11537

(2R)-3-Sulfolactate

C15606

1,2-Dihydroxy-5-(methylthio)pent-1-en-3-one

C15650

2,3-Diketo-5-methylthiopentyl-1-phosphate

C15651

2-Hydroxy-3-keto-5-methylthiopentenyl-1-phosphate

C18049

N-Acyl-L-homoserine lactone

C19787

5'-S-Methyl-5'-thioinosine

C21015

gamma-L-Glutamyl-L-2-aminobutyrate

C21016

Ophthalmate

C22359

S-Methyl-1-thio-D-xylulose 5-phosphate

Reference

PMID:15102328

Authors

Sekowska A, Denervaud V, Ashida H, Michoud K, Haas D, Yokota A, Danchin A

Title

Bacterial variations on the methionine salvage pathway.

Journal

BMC Microbiol 4:9 (2004)
DOI:10.1186/1471-2180-4-9

Reference

PMID:14551435

Authors

Ashida H, Saito Y, Kojima C, Kobayashi K, Ogasawara N, Yokota A.

Title

A functional link between RuBisCO-like protein of Bacillus and photosynthetic RuBisCO.

Journal

Science 302:286-90 (2003)
DOI:10.1126/science.1086997

Reference

PMID:12022921

Authors

Sekowska A, Danchin A.

Title

The methionine salvage pathway in Bacillus subtilis.

Journal

BMC Microbiol 2:8 (2002)
DOI:10.1186/1471-2180-2-8

Reference

PMID:12670965

Authors

Berger BJ, English S, Chan G, Knodel MH.

Title

Methionine regeneration and aminotransferases in Bacillus subtilis, Bacillus cereus, and Bacillus anthracis.

Journal

J Bacteriol 185:2418-31 (2003)
DOI:10.1128/JB.185.8.2418-2431.2003

Reference

PMID:17169919

Authors

Goyer A, Collakova E, Shachar-Hill Y, Hanson AD

Title

Functional characterization of a methionine gamma-lyase in Arabidopsis and its implication in an alternative to the reverse trans-sulfuration pathway.

Journal

Plant Cell Physiol 48:232-42 (2007)
DOI:10.1093/pcp/pcl055

Reference

PMID:17030798

Authors

Rebeille F, Jabrin S, Bligny R, Loizeau K, Gambonnet B, Van Wilder V, Douce R, Ravanel S

Title

Methionine catabolism in Arabidopsis cells is initiated by a gamma-cleavage process and leads to S-methylcysteine and isoleucine syntheses.

Journal

Proc Natl Acad Sci U S A 103:15687-92 (2006)
DOI:10.1073/pnas.0606195103

Reference

PMID:18625006

Authors

Pirkov I, Norbeck J, Gustafsson L, Albers E

Title

A complete inventory of all enzymes in the eukaryotic methionine salvage pathway.

Journal

FEBS J 275:4111-20 (2008)
DOI:10.1111/j.1742-4658.2008.06552.x

Reference

PMID:18391471

Authors

Ashida H, Saito Y, Kojima C, Yokota A

Title

Enzymatic characterization of 5-methylthioribulose-1-phosphate dehydratase of the methionine salvage pathway in Bacillus subtilis.

Journal

Biosci Biotechnol Biochem 72:959-67 (2008)
DOI:10.1271/bbb.70651

Reference

PMID:10613873

Authors

Kitabatake M, So MW, Tumbula DL, Soll D

Title

Cysteine biosynthesis pathway in the archaeon Methanosarcina barkeri encoded by acquired bacterial genes?

Journal

J Bacteriol 182:143-5 (2000)
DOI:10.1128/JB.182.1.143-145.2000

Reference

PMID:12644499

Authors

Mino K, Ishikawa K

Title

Characterization of a novel thermostable O-acetylserine sulfhydrylase from Aeropyrum pernix K1.

Journal

J Bacteriol 185:2277-84 (2003)
DOI:10.1128/JB.185.7.2277-2284.2003

Reference

PMID:18520135

Authors

Tanabe S

Title

Development of assay methods for endogenous inorganic sulfur compounds and sulfurtransferases and evaluation of the physiological functions of bound sulfur.

Journal

Yakugaku Zasshi 128:881-900 (2008)
DOI:10.1248/yakushi.128.881

Reference

Authors

Nishizuka Y, Seyama Y, Ikai A, Ishimura Y, Kawaguchi A (eds).

Title

[Cellular Functions and Metabolic Maps] (In Japanese)

Journal

Tokyo Kagaku Dojin (1997)

Reference

PMID:19270684

Authors