KEGG   COMPOUND: C04387
Entry
C04387                      Compound                               
Name
N-Acetyl-alpha-D-galactosaminyl-polypeptide;
N-Acetyl-alpha-D-galactosaminyl-R;
N-Acetyl-D-galactosaminyl-polypeptide;
N-Acetyl-D-galactosaminyl-R;
Tn antigen
Formula
C8H14NO6R
Structure
Remark
Same as: G00023
Comment
Generic compound in reaction hierarchy
R = Ser/Thr residue of glycoprotein
Reaction
Pathway
map00512  Mucin type O-glycan biosynthesis
map01100  Metabolic pathways
Enzyme
2.4.1.41        2.4.1.147
Other DBs
PubChem: 7028
KCF data

ATOM        16
            1   C1y C    19.2104  -16.1657
            2   C1y C    19.2104  -14.7715
            3   C1y C    17.9950  -16.8629
            4   N1b N    20.2786  -17.2210
            5   O2x O    17.9950  -14.0742
            6   O2a O    20.4192  -14.0742
            7   C1y C    16.7924  -16.1657
            8   O1a O    17.9950  -18.2509
            9   C1y C    16.7924  -14.7715
            10  O1a O    15.5965  -16.8629
            11  C1b C    15.5965  -14.0742
            12  O1a O    14.5347  -14.9761
            13  C5a C    21.5294  -16.5237
            14  C1a C    22.7689  -17.2393
            15  O5a O    21.5402  -15.2361
            16  R   R    21.8503  -14.0742
BOND        16
            1     1   2 1
            2     1   3 1
            3     1   4 1 #Down
            4     2   5 1
            5     2   6 1 #Down
            6     3   7 1
            7     3   8 1 #Up
            8     5   9 1
            9     7  10 1 #Up
            10    9  11 1 #Up
            11   11  12 1
            12    7   9 1
            13    4  13 1
            14   13  14 1
            15   13  15 2
            16    6  16 1

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