KEGG   PATHWAY: hmh00270
Entry
hmh00270                    Pathway                                
Name
Cysteine and methionine metabolism - Hylobates moloch (silvery gibbon)
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
hmh00270  Cysteine and methionine metabolism
hmh00270

Module
hmh_M00034  Methionine salvage pathway [PATH:hmh00270]
hmh_M00035  Methionine degradation [PATH:hmh00270]
hmh_M00338  Cysteine biosynthesis, homocysteine + serine => cysteine [PATH:hmh00270]
Other DBs
GO: 0006534 0006555
Organism
Hylobates moloch (silvery gibbon) [GN:hmh]
Gene
116469899  CTH; cystathionine gamma-lyase isoform X1 [KO:K01758] [EC:4.4.1.1]
116475738  KYAT1; kynurenine--oxoglutarate transaminase 1 isoform X1 [KO:K00816] [EC:2.6.1.7 4.4.1.13 2.6.1.64]
116469804  KYAT3; kynurenine--oxoglutarate transaminase 3 isoform X3 [KO:K00816] [EC:2.6.1.7 4.4.1.13 2.6.1.64]
116482221  CBS; cystathionine beta-synthase [KO:K01697] [EC:4.2.1.22]
116471070  BHMT; betaine--homocysteine S-methyltransferase 1 [KO:K00544] [EC:2.1.1.5]
116471072  BHMT2; S-methylmethionine--homocysteine S-methyltransferase BHMT2 [KO:K00547] [EC:2.1.1.10]
116457327  MTR; methionine synthase isoform X1 [KO:K00548] [EC:2.1.1.13]
116484113  MAT2A; S-adenosylmethionine synthase [KO:K00789] [EC:2.5.1.6]
116479005  MAT1A; S-adenosylmethionine synthase [KO:K00789] [EC:2.5.1.6]
116471813  MAT2B; methionine adenosyltransferase 2 subunit beta isoform X1 [KO:K00789] [EC:2.5.1.6]
116470942  AMD1; S-adenosylmethionine decarboxylase proenzyme isoform X2 [KO:K01611] [EC:4.1.1.50]
116470978  S-adenosylmethionine decarboxylase proenzyme [KO:K01611] [EC:4.1.1.50]
116810535  LOW QUALITY PROTEIN: spermidine synthase-like [KO:K00797] [EC:2.5.1.16]
116813770  SRM; spermidine synthase [KO:K00797] [EC:2.5.1.16]
116469176  LOW QUALITY PROTEIN: spermine synthase-like [KO:K00802] [EC:2.5.1.22]
116811569  SMS; spermine synthase isoform X1 [KO:K00802] [EC:2.5.1.22]
116458430  MTAP; S-methyl-5'-thioadenosine phosphorylase isoform X1 [KO:K00772] [EC:2.4.2.28]
116467228  LACC1; purine nucleoside phosphorylase LACC1 isoform X1 [KO:K05810] [EC:2.4.2.1 2.4.2.28 3.5.4.4]
116478577  MRI1; methylthioribose-1-phosphate isomerase isoform X1 [KO:K08963] [EC:5.3.1.23]
116476361  APIP; methylthioribulose-1-phosphate dehydratase [KO:K08964] [EC:4.2.1.109]
116466209  ENOPH1; enolase-phosphatase E1 isoform X1 [KO:K09880] [EC:3.1.3.77]
116480152  ADI1; acireductone dioxygenase isoform X2 [KO:K08967] [EC:1.13.11.53 1.13.11.54]
116470452  TAT; tyrosine aminotransferase [KO:K00815] [EC:2.6.1.5]
116478167  IL4I1; L-amino-acid oxidase isoform X3 [KO:K03334] [EC:1.4.3.2]
116460460  GNMT; glycine N-methyltransferase isoform X1 [KO:K00552] [EC:2.1.1.20]
116478434  DNMT1; DNA (cytosine-5)-methyltransferase 1 isoform X1 [KO:K00558] [EC:2.1.1.37]
116480415  DNMT3A; DNA (cytosine-5)-methyltransferase 3A isoform X2 [KO:K17398] [EC:2.1.1.37]
116461494  DNMT3B; DNA (cytosine-5)-methyltransferase 3B isoform X1 [KO:K17399] [EC:2.1.1.37]
116469640  AHCYL1; S-adenosylhomocysteine hydrolase-like protein 1 isoform X1 [KO:K01251] [EC:3.13.2.1]
116461529  AHCY; adenosylhomocysteinase isoform X1 [KO:K01251] [EC:3.13.2.1]
116473859  LOW QUALITY PROTEIN: adenosylhomocysteinase-like [KO:K01251] [EC:3.13.2.1]
116814347  AHCYL2; adenosylhomocysteinase 3 isoform X1 [KO:K01251] [EC:3.13.2.1]
116478232  BCAT2; branched-chain-amino-acid aminotransferase, mitochondrial isoform X1 [KO:K00826] [EC:2.6.1.42]
116472780  BCAT1; branched-chain-amino-acid aminotransferase, cytosolic isoform X1 [KO:K00826] [EC:2.6.1.42]
116456813  AGXT2; alanine--glyoxylate aminotransferase 2, mitochondrial isoform X1 [KO:K00827] [EC:2.6.1.44 2.6.1.40]
116459712  GCLC; glutamate--cysteine ligase catalytic subunit isoform X1 [KO:K11204] [EC:6.3.2.2]
116469748  GCLM; glutamate--cysteine ligase regulatory subunit [KO:K11205]
116461058  GSS; glutathione synthetase isoform X1 [KO:K21456] [EC:6.3.2.3]
116470918  CDO1; cysteine dioxygenase type 1 [KO:K00456] [EC:1.13.11.20]
116461927  GOT1L1; putative aspartate aminotransferase, cytoplasmic 2 isoform X1 [KO:K14454] [EC:2.6.1.1]
116456108  GOT1; aspartate aminotransferase, cytoplasmic [KO:K14454] [EC:2.6.1.1]
116471334  GOT2; aspartate aminotransferase, mitochondrial [KO:K14455] [EC:2.6.1.1]
116458495  MPST; 3-mercaptopyruvate sulfurtransferase isoform X1 [KO:K01011] [EC:2.8.1.1 2.8.1.2]
116458496  TST; thiosulfate sulfurtransferase [KO:K01011] [EC:2.8.1.1 2.8.1.2]
116476449  LDHAL6A; L-lactate dehydrogenase A-like 6A isoform X1 [KO:K00016] [EC:1.1.1.27]
116476451  LDHC; L-lactate dehydrogenase C chain [KO:K00016] [EC:1.1.1.27]
116476452  LDHA; L-lactate dehydrogenase A chain isoform X2 [KO:K00016] [EC:1.1.1.27]
116458666  L-lactate dehydrogenase A chain-like isoform X1 [KO:K00016] [EC:1.1.1.27]
116472768  LDHB; L-lactate dehydrogenase B chain isoform X1 [KO:K00016] [EC:1.1.1.27]
116463535  L-lactate dehydrogenase A-like 6B [KO:K00016] [EC:1.1.1.27]
116463754  L-lactate dehydrogenase A-like 6B [KO:K00016] [EC:1.1.1.27]
116476846  LOW QUALITY PROTEIN: L-lactate dehydrogenase A chain-like [KO:K00016] [EC:1.1.1.27]
116483800  MDH1; malate dehydrogenase, cytoplasmic [KO:K00025] [EC:1.1.1.37]
116811231  MDH2; malate dehydrogenase, mitochondrial isoform X1 [KO:K00026] [EC:1.1.1.37]
116477874  SDSL; serine dehydratase-like [KO:K17989] [EC:4.3.1.17 4.3.1.19]
116477875  SDS; L-serine dehydratase/L-threonine deaminase [KO:K17989] [EC:4.3.1.17 4.3.1.19]
116469518  PHGDH; D-3-phosphoglycerate dehydrogenase isoform X1 [KO:K00058] [EC:1.1.1.95 1.1.1.399]
116812637  LOW QUALITY PROTEIN: phosphoserine aminotransferase-like [KO:K00831] [EC:2.6.1.52]
116475180  PSAT1; phosphoserine aminotransferase isoform X1 [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
C01102  O-Phospho-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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  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
  Authors
Gutierrez JA, Crowder T, Rinaldo-Matthis A, Ho MC, Almo SC, Schramm VL
  Title
Transition state analogs of 5'-methylthioadenosine nucleosidase disrupt quorum sensing.
  Journal
Nat Chem Biol 5:251-7 (2009)
DOI:10.1038/nchembio.153
Related
pathway
hmh00010  Glycolysis / Gluconeogenesis
hmh00250  Alanine, aspartate and glutamate metabolism
hmh00260  Glycine, serine and threonine metabolism
hmh00290  Valine, leucine and isoleucine biosynthesis
hmh00430  Taurine and hypotaurine metabolism
hmh00480  Glutathione metabolism
hmh00620  Pyruvate metabolism
hmh00640  Propanoate metabolism
hmh00770  Pantothenate and CoA biosynthesis
hmh00900  Terpenoid backbone biosynthesis
hmh00920  Sulfur metabolism
KO pathway
ko00270   
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