KEGG   COMPOUND: C00097Help
Entry
C00097                      Compound                               

Name
L-Cysteine;
L-2-Amino-3-mercaptopropionic acid
Formula
C3H7NO2S
Exact mass
121.0197
Mol weight
121.1582
Structure
Mol fileKCF fileDB searchJmolKegDraw
Remark
Same as: 
Reaction
Pathway
Glycine, serine and threonine metabolism
Cysteine and methionine metabolism
Penicillin and cephalosporin biosynthesis
Carbapenem biosynthesis
Taurine and hypotaurine metabolism
Cyanoamino acid metabolism
Glutathione metabolism
Thiamine metabolism
Pantothenate and CoA biosynthesis
Sulfur metabolism
Aminoacyl-tRNA biosynthesis
Biosynthesis of plant secondary metabolites
Metabolic pathways
Microbial metabolism in diverse environments
Carbon metabolism
Biosynthesis of amino acids
Sulfur relay system
Protein digestion and absorption
Module
M00021  
Cysteine biosynthesis, serine => cysteine
M00338  
Cysteine biosynthesis, homocysteine + serine => cysteine
M00609  
Cysteine biosynthesis, methionine => cysteine
M00672  
Penicillin biosynthesis, aminoadipate + cycteine + valine => penicillin
M00673  
Cephamycin C biosynthesis, aminoadipate + cycteine + valine => cephamycin C
Enzyme
1.8.1.6         1.8.1.9         1.8.1.10        1.8.3.5         
1.8.3.6         1.8.4.3         1.8.4.4         1.13.11.20      
1.14.-.-        2.3.2.4         2.5.1.47        2.5.1.48        
2.5.1.49        2.5.1.65        2.6.1.1         2.6.1.3         
2.8.1.4         2.8.1.7         3.4.11.1        3.4.11.2        
3.4.11.23       3.4.13.-        4.2.1.22        4.4.1.1         
4.4.1.8         4.4.1.9         4.4.1.10        5.1.1.10        
6.1.1.16        6.3.1.13        6.3.2.2         6.3.2.5         
6.3.2.26
Brite
Compounds with biological roles [BR:br08001]
 Peptides
  Amino acids
   Common amino acids
    C00097  Cysteine (Cys)
Therapeutic category of drugs in Japan [BR:br08301]
 3  Agents affecting metabolism
  39  Other agents affecting metabolism
   399  Miscellaneous
    3999  Others
     D00026  L-Cysteine (JP16)
Classification of Japanese OTC drugs [BR:br08313]
 Nourishing tonics and health supplements
  45 Protein and amino acid based drugs
   D00026  L-Cysteine (JP16)
  -- Improving drugs for chloasma
   D00026  L-Cysteine (JP16)
Risk category of Japanese OTC drugs [BR:br08312]
 Third-class OTC drugs
  Inorganic and organic chemicals
   L-Cysteine
    D00026  L-Cysteine (JP16)
Pharmaceutical additives [BR:br08316]
 Stabilizing agent
  D00026  [003614] L-Cysteine
Drugs listed in the Japanese Pharmacopoeia [BR:br08311]
 Chemicals
  D00026  L-Cysteine
BRITE hierarchy
Other DBs
CAS: 
52-90-4
PubChem: 
ChEBI: 
KNApSAcK: 
PDB-CCD: 
3DMET: 
NIKKAJI: 
KCF data Show

ATOM        7
            1   C1c C    24.5141  -15.4370
            2   C6a C    23.3459  -14.6895
            3   C1b C    25.7289  -14.7361
            4   N1a N    24.5609  -16.8388
            5   O6a O    22.1311  -15.3436
            6   O6a O    23.3459  -13.2877
            7   S1a S    26.9438  -15.4838
BOND        6
            1     1   2 1
            2     1   3 1
            3     1   4 1 #Down
            4     2   5 1
            5     2   6 2
            6     3   7 1

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