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 search
Remark
Same as: D00026
Reaction
Pathway
map00260  Glycine, serine and threonine metabolism
map00270  Cysteine and methionine metabolism
map00311  Penicillin and cephalosporin biosynthesis
map00332  Carbapenem biosynthesis
map00430  Taurine and hypotaurine metabolism
map00460  Cyanoamino acid metabolism
map00480  Glutathione metabolism
map00730  Thiamine metabolism
map00770  Pantothenate and CoA biosynthesis
map00920  Sulfur metabolism
map00970  Aminoacyl-tRNA biosynthesis
map01060  Biosynthesis of plant secondary metabolites
map01100  Metabolic pathways
map01110  Biosynthesis of secondary metabolites
map01120  Microbial metabolism in diverse environments
map01130  Biosynthesis of antibiotics
map01200  Carbon metabolism
map01230  Biosynthesis of amino acids
map04122  Sulfur relay system
map04216  Ferroptosis
map04974  Protein digestion and absorption
map05230  Central carbon metabolism in cancer
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      
1.14.14.43      1.14.14.45      1.14.99.51      1.14.99.52      
1.14.-.-        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         2.8.1.9         3.4.11.1        3.4.11.2        
3.4.11.23       3.4.13.-        3.13.1.6        4.2.1.22        
4.3.2.9         4.4.1.1         4.4.1.8         4.4.1.9         
4.4.1.10        4.4.1.28        5.1.1.10        6.1.1.16        
6.3.1.13        6.3.2.2         6.3.2.5         6.3.2.26        
6.3.2.51
 » show all
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 (JP17)
Classification of Japanese OTC drugs [BR:br08313]
 Nourishing tonics and health supplements
  45 Protein and amino acid based drugs
   D00026  L-Cysteine (JP17)
Risk category of Japanese OTC drugs [BR:br08312]
 Third-class OTC drugs
  Inorganic and organic chemicals
   L-Cysteine
    D00026  L-Cysteine (JP17)
Pharmaceutical additives in Japan [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: 3397
ChEBI: 17561
ChEMBL: CHEMBL863
KNApSAcK: C00001351
PDB-CCD: CYS[PDBj]
3DMET: B01159
NIKKAJI: J9.167G
LinkDB All DBs
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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