KEGG   COMPOUND: C00243Help
Entry
C00243                      Compound                               

Name
Lactose;
1-beta-D-Galactopyranosyl-4-D-glucopyranose;
beta-D-Gal-(1->4)-D-Glc;
Milk sugar
Formula
C12H22O11
Exact mass
342.1162
Mol weight
342.2965
Structure
Mol fileKCF fileDB searchJmolKegDraw
Remark
Same as: 
Reaction
Pathway
Galactose metabolism
Metabolic pathways
ABC transporters
Phosphotransferase system (PTS)
Carbohydrate digestion and absorption
Enzyme
1.1.99.13       2.4.1.22        2.7.1.69        3.2.1.23        
3.2.1.108       3.2.1.140
Brite
Compounds with biological roles [BR:br08001]
 Carbohydrates
  Oligosaccharides
   Disaccharides
    C00243  Lactose; Milk sugar
Drugs listed in the Japanese Pharmacopoeia [BR:br08311]
 Chemicals
  D00046  Anhydrous lactose
BRITE hierarchy
Other DBs
CAS: 
63-42-3
PubChem: 
ChEBI: 
KNApSAcK: 
PDB-CCD: 
3DMET: 
NIKKAJI: 
KCF data Show

ATOM        23
            1   C1y C    39.1122  -21.3617
            2   C1y C    39.1122  -19.9619
            3   O2a O    37.8991  -22.0557
            4   C1y C    40.3136  -22.0557
            5   O2x O    40.3136  -19.2561
            6   C1b C    37.8991  -19.2561
            7   C1y C    36.6801  -22.7616
            8   C1y C    41.5327  -21.3617
            9   O1a O    40.3136  -23.4556
            10  C1y C    41.5327  -19.9619
            11  O1a O    36.8316  -20.1661
            12  O2x O    35.4611  -22.0557
            13  C1y C    36.6801  -24.1613
            14  O1a O    42.7399  -22.0557
            15  O1a O    42.7399  -19.2561
            16  C1y C    34.2537  -22.7616
            17  C1y C    35.4611  -24.8612
            18  O1a O    37.8932  -24.8612
            19  C1y C    34.2537  -24.1613
            20  C1b C    33.0463  -22.0557
            21  O1a O    35.4668  -26.2610
            22  O1a O    33.0463  -24.8612
            23  O1a O    31.9790  -22.9656
BOND        24
            1     1   2 1
            2     1   3 1 #Down
            3     1   4 1
            4     2   5 1
            5     2   6 1 #Up
            6     7   3 1 #Up
            7     4   8 1
            8     4   9 1 #Up
            9     5  10 1
            10    6  11 1
            11    7  12 1
            12    7  13 1
            13    8  14 1 #Down
            14   10  15 1 #Either
            15   12  16 1
            16   13  17 1
            17   13  18 1 #Down
            18   16  19 1
            19   16  20 1 #Up
            20   17  21 1 #Up
            21   19  22 1 #Up
            22   20  23 1
            23    8  10 1
            24   17  19 1

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