KEGG   COMPOUND: C00097
Entry
C00097                      Compound                               
Name
L-Cysteine;
L-2-Amino-3-mercaptopropionic acid
Formula
C3H7NO2S
Exact mass
121.0198
Mol weight
121.16
Structure
Remark
Same as: D00026
Reaction
R00782 R00891 R00892 R00893 R00894 R00895 R00896 R00897
R00899 R00900 R00901 R00903 R01001 R01113 R02409 R02508
R02743 R03217 R03260 R03524 R03650 R03923 R04230 R04231
R04859 R04870 R07274 R07360 R07460 R08168 R08608 R08632
R08653 R08659 R08666 R08685 R08848 R09562 R09591 R10409
R10670 R10672 R10736 R11014 R11015 R11524 R11528 R11583
R12765 R12767 R13363 R13404 R13405
Pathway
map00260  Glycine, serine and threonine metabolism
map00270  Cysteine and methionine metabolism
map00311  Penicillin and cephalosporin biosynthesis
map00430  Taurine and hypotaurine metabolism
map00460  Cyanoamino acid metabolism
map00470  D-Amino acid metabolism
map00480  Glutathione metabolism
map00670  One carbon pool by folate
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
map01200  Carbon metabolism
map01230  Biosynthesis of amino acids
map01240  Biosynthesis of cofactors
map01320  Sulfur cycle
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
Network
nt06026  Glutathione biosynthesis
nt06030  Methionine metabolism
nt06525  Ferroptosis
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      
1.13.11.95      1.14.14.43      1.14.14.45      1.14.99.52      
1.14.-.-        1.21.3.10       2.5.1.47        2.5.1.48        
2.5.1.49        2.5.1.65        2.5.1.160       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         
4.4.1.9         4.4.1.10        4.4.1.13        4.4.1.28        
5.1.1.10        6.1.1.16        6.2.1.69        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 (JP18)
Classification of Japanese OTC drugs [BR:br08313]
 Nourishing tonics and health supplements
  45 Protein and amino acid based drugs
   D00026  L-Cysteine (JP18)
Risk category of Japanese OTC drugs [BR:br08312]
 Third-class OTC drugs
  Inorganic and organic chemicals
   L-Cysteine
    D00026  L-Cysteine (JP18)
Drugs listed in the Japanese Pharmacopoeia [BR:br08311]
 Chemicals
  D00026  L-Cysteine
Other DBs
CAS: 52-90-4
PubChem: 3397
ChEBI: 17561
KNApSAcK: C00001351
PDB-CCD: CYS[PDBj]
NIKKAJI: J9.167G
LinkDB
KCF data

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

» Japanese version

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