KEGG   ENZYME: 2.4.1.123Help
Entry
EC 2.4.1.123                Enzyme                                 

Name
inositol 3-alpha-galactosyltransferase;
UDP-D-galactose:inositol galactosyltransferase;
UDP-galactose:myo-inositol 1-alpha-D-galactosyltransferase;
UDPgalactose:myo-inositol 1-alpha-D-galactosyltransferase;
galactinol synthase;
inositol 1-alpha-galactosyltransferase;
uridine diphosphogalactose-inositol galactosyltransferase;
GolS;
UDP-galactose:myo-inositol 3-alpha-D-galactosyltransferase
Class
Transferases;
Glycosyltransferases;
Hexosyltransferases
BRITE hierarchy
Sysname
UDP-alpha-D-galactose:myo-inositol 3-alpha-D-galactosyltransferase
Reaction(IUBMB)
UDP-alpha-D-galactose + myo-inositol = UDP + O-alpha-D-galactosyl-(1->3)-1D-myo-inositol [RN:R01192 R06214]
Reaction(KEGG)
Substrate
UDP-alpha-D-galactose [CPD:C00052];
myo-inositol [CPD:C00137]
Product
UDP [CPD:C00015];
O-alpha-D-galactosyl-(1->3)-1D-myo-inositol [CPD:C01235]
Comment
An enzyme from plants involved in the formation of raffinose and stachyose [cf. EC 2.4.1.67 (galactinol---raffinose galactosyltransferase) and EC 2.4.1.82 (galactinol---sucrose galactosyltransferase)].
History
EC 2.4.1.123 created 1984, modified 2003
Pathway
ec00052  Galactose metabolism
Orthology
K18819  inositol 3-alpha-galactosyltransferase
Genes
RSS: 109441719
ATH: AT1G09350(GolS3) AT1G56600(GolS2) AT1G60450(GolS7) AT1G60470(GolS4) AT2G47180(GolS1) AT4G26250(GolS6) AT5G23790(GolS5) AT5G30500(GolS10)
ALY: ARALYDRAFT_311978 ARALYDRAFT_474819 ARALYDRAFT_475283 ARALYDRAFT_483894 ARALYDRAFT_492188 ARALYDRAFT_662190 ARALYDRAFT_675363
CRB: 17879839 17880926 17890289 17894069 17895215 17895347 17897756
CSAT: 104701076 104703634 104720983 104727736 104729384 104730784 104739528 104752718 104755126 104758996 104767636 104783307 104784581 104787125 104787423 104793705
EUS: EUTSA_v10001530mg EUTSA_v10004562mg EUTSA_v10008154mg EUTSA_v10009767mg EUTSA_v10023585mg EUTSA_v10023858mg EUTSA_v10024122mg EUTSA_v10027432mg
BRP: 103829826 103834845 103838508 103838509 103838671 103842246 103843355 103843646 103843850 103866399
BNA: 106359899 106359900 106365403 106365790 106368606 106374789 106377002 106377467 106378576 106379755 106391407 106392335 106396142 106405336 106419861 106429112 106429113 106429468 106429483 106432583 106436392 106450883 111201009
BOE: 106292774 106310913 106311113 106312251 106315941 106316295 106316905 106320836 106342888
THJ: 104802138 104809685 104816854 104817444 104819456 104820112 104820533 104827104
LJA: Lj1g3v4790770.1(Lj1g3v4790770.1) Lj1g3v4831850.1(Lj1g3v4831850.1) Lj1g3v4831850.2(Lj1g3v4831850.2) Lj1g3v4831850.3(Lj1g3v4831850.3) Lj1g3v4831850.4(Lj1g3v4831850.4) Lj5g3v1530100.1(Lj5g3v1530100.1)
SLY: 100316891(GolS2) 101244339 101261450 544174(GolS-1)
DOSA: Os03t0316200-01(Os03g0316200) Os07t0687900-01(Os07g0687900)
ATS: 109761870(LOC109761870) 109761871(LOC109761871) 109766575(LOC109766575) 109775581(LOC109775581) 109785717(LOC109785717)
ZMA: 103634440 606403 606405(gols2)
PEQ: 110030123
DDI: DDB_G0286945(gtr3)
SMIN: v1.2.002776.t1(symbB.v1.2.002776.t1)
 » show all
Taxonomy
Reference
1
  Authors
Pharr, D.M., Sox, H.N., Locy, R.D. and Huber, S.C.
  Title
Partial characterization of the galactinol forming enzyme from leaves of Cucumis sativus L.
  Journal
Plant Sci Lett 23:25-33 (1981)
Other DBs
ExplorEnz - The Enzyme Database: 2.4.1.123
IUBMB Enzyme Nomenclature: 2.4.1.123
ExPASy - ENZYME nomenclature database: 2.4.1.123
BRENDA, the Enzyme Database: 2.4.1.123
CAS: 79955-89-8

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