KEGG   COMPOUND: C00155
Entry
C00155                      Compound                               
Name
L-Homocysteine;
L-2-Amino-4-mercaptobutyric acid;
Homocysteine
Formula
C4H9NO2S
Exact mass
135.0354
Mol weight
135.19
Structure
Comment
Homocysteine (generic) [CPD:C05330]
Reaction
R00192 R00650 R00946 R01283 R01286 R01287 R01288 R01289
R01290 R01291 R01292 R02026 R02821 R04153 R04405 R08633
R10305 R11063 R12505 R12588
Pathway
map00270  Cysteine and methionine metabolism
map00920  Sulfur metabolism
map01100  Metabolic pathways
map01110  Biosynthesis of secondary metabolites
map01230  Biosynthesis of amino acids
map01523  Antifolate resistance
map04621  NOD-like receptor signaling pathway
map04980  Cobalamin transport and metabolism
Module
M00017  Methionine biosynthesis, aspartate => homoserine => methionine
M00035  Methionine degradation
M00338  Cysteine biosynthesis, homocysteine + serine => cysteine
M00609  Cysteine biosynthesis, methionine => cysteine
Network
nt06030  Methionine metabolism
Enzyme
1.8.4.1         2.1.1.3         2.1.1.5         2.1.1.10        
2.1.1.13        2.1.1.14        2.5.1.48        2.5.1.49        
2.5.1.134       2.5.1.-         2.8.1.16        3.13.1.9        
3.13.2.1        4.2.1.22        4.4.1.2         4.4.1.13        
4.4.1.21
Brite
Compounds with biological roles [BR:br08001]
 Peptides
  Amino acids
   Other amino acids
    C00155  L-Homocysteine
Other DBs
CAS: 6027-13-0
PubChem: 3455
ChEBI: 17588
KNApSAcK: C00001365
PDB-CCD: HCS[PDBj]
3DMET: B01174
NIKKAJI: J228C
LinkDB
KCF data

ATOM        8
            1   O6a O    18.9700  -15.1200
            2   C6a C    20.1824  -14.4200
            3   C1c C    21.3949  -15.1200
            4   C1b C    22.6073  -14.4200
            5   C1b C    23.8197  -15.1200
            6   S1a S    25.0322  -14.4200
            7   O6a O    20.1824  -13.0202
            8   N1a N    21.3949  -16.5198
BOND        7
            1     1   2 1
            2     2   3 1
            3     3   4 1
            4     4   5 1
            5     5   6 1
            6     2   7 2
            7     3   8 1 #Down

» Japanese version

KEGG   COMPOUND: C00440
Entry
C00440                      Compound                               
Name
5-Methyltetrahydrofolate
Formula
C20H25N7O6
Exact mass
459.1866
Mol weight
459.46
Structure
Reaction
R00946 R01217 R01224 R02289 R02573 R02912 R07168 R09270
R09271 R10136 R10243 R10333
Pathway
map00670  One carbon pool by folate
map00720  Other carbon fixation pathways
map01100  Metabolic pathways
map01120  Microbial metabolism in diverse environments
map01200  Carbon metabolism
map01523  Antifolate resistance
map04980  Cobalamin transport and metabolism
Module
M00377  Reductive acetyl-CoA pathway (Wood-Ljungdahl pathway)
Network
nt06030  Methionine metabolism
Enzyme
1.5.1.20        1.5.1.53        1.5.1.54        1.5.7.1         
2.1.1.13        2.1.1.19        2.1.1.258       2.1.1.269       
2.1.1.341       2.1.1.378       2.1.1.385       2.1.1.389       
2.1.1.-         2.3.1.169
Other DBs
CAS: 134-35-0
PubChem: 3729
ChEBI: 15641
KNApSAcK: C00007252
PDB-CCD: C2F[PDBj] THH[PDBj]
3DMET: B04681
NIKKAJI: J356.349I
LinkDB
KCF data

ATOM        33
            1   N4x N     9.5340  -17.5883
            2   C8y C     9.5340  -18.9898
            3   N5x N    10.7254  -19.6907
            4   C8y C    11.9868  -18.9898
            5   C8y C    11.9868  -17.5883
            6   C8y C    10.7254  -16.8875
            7   N1x N    13.1782  -19.6907
            8   C1x C    14.3695  -18.9898
            9   C1y C    14.3695  -17.5883
            10  N1y N    13.1782  -16.8875
            11  O5x O    10.7254  -15.4859
            12  N1a N     8.3174  -19.6858
            13  C1b C    15.5834  -16.8875
            14  N1b N    16.7972  -17.5883
            15  C8y C    18.0110  -16.8875
            16  C8x C    19.2269  -17.5895
            17  C8x C    20.4407  -16.8887
            18  C8y C    20.4407  -15.4871
            19  C8x C    19.2248  -14.7851
            20  C8x C    18.0110  -15.4859
            21  C5a C    21.6803  -14.7851
            22  N1b N    22.8941  -15.4859
            23  O5a O    21.6862  -13.3839
            24  C1c C    24.1267  -14.7741
            25  C1b C    25.3332  -15.4706
            26  C1b C    26.5169  -14.7870
            27  C6a C    27.7122  -15.4771
            28  O6a O    28.9015  -14.7903
            29  O6a O    27.7124  -16.8872
            30  C6a C    24.1264  -13.3837
            31  O6a O    22.9006  -12.6762
            32  O6a O    25.3282  -12.6893
            33  C1a C    13.1787  -15.4618
BOND        35
            1     1   2 1
            2     2   3 2
            3     3   4 1
            4     4   5 2
            5     5   6 1
            6     1   6 1
            7     4   7 1
            8     7   8 1
            9     8   9 1
            10    9  10 1
            11    5  10 1
            12    6  11 2
            13    2  12 1
            14    9  13 1 #Up
            15   13  14 1
            16   14  15 1
            17   15  16 2
            18   16  17 1
            19   17  18 2
            20   18  19 1
            21   19  20 2
            22   15  20 1
            23   18  21 1
            24   21  22 1
            25   21  23 2
            26   22  24 1
            27   24  25 1
            28   25  26 1
            29   26  27 1
            30   27  28 1
            31   27  29 2
            32   24  30 1 #Down
            33   30  31 2
            34   30  32 1
            35   10  33 1

» Japanese version

DBGET integrated database retrieval system