KEGG   ENZYME: 2.4.99.1Help
Entry
EC 2.4.99.1                 Enzyme                                 

Name
beta-galactoside alpha-(2,6)-sialyltransferase;
ST6Gal-I;
CMP-N-acetylneuraminate:beta-D-galactosyl-1,4-N-acetyl-beta-D-glucosamine alpha-2,6-N-acetylneuraminyltransferase;
lactosylceramide alpha-2,6-N-sialyltransferase;
CMP-N-acetylneuraminate:beta-D-galactosyl-(1->4)-N-acetyl-beta-D-glucosamine alpha-(2->6)-N-acetylneuraminyltransferase;
beta-galactoside alpha-2,6-sialyltransferase
Class
Transferases;
Glycosyltransferases;
Transferring other glycosyl groups
BRITE hierarchy
Sysname
CMP-N-acetyl-beta-neuraminate:beta-D-galactoside alpha-(2->6)-N-acetylneuraminyltransferase (configuration-inverting)
Reaction(IUBMB)
CMP-N-acetyl-beta-neuraminate + beta-D-galactosyl-R = CMP + N-acetyl-alpha-neuraminyl-(2->6)-beta-D-galactosyl-R [RN:R04532 R06188]
Reaction(KEGG)
R04532 R06188(G);
(other) R03489 R05580 R05905(G) R05906(G) R05990(G) R06121(G) R09298(G)
Show
Substrate
CMP-N-acetyl-beta-neuraminate [CPD:C00128];
beta-D-galactosyl-R [CPD:C02900]
Product
CMP [CPD:C00055];
N-acetyl-alpha-neuraminyl-(2->6)-beta-D-galactosyl-R
Comment
The enzyme acts on the terminal non-reducing beta-D-galactosyl residue of the oligosaccharide moiety of glycoproteins and glycolipids.
History
EC 2.4.99.1 created 1972, modified 1976, modified 1986, modified 2016 (EC 2.4.99.11 created 1992, incorporated 2016), modified 2017
Pathway
ec00510  N-Glycan biosynthesis
ec00514  Other types of O-glycan biosynthesis
ec01100  Metabolic pathways
Orthology
K00778  beta-galactoside alpha-2,6-sialyltransferase (sialyltransferase 1)
K00779  beta-galactoside alpha-2,6-sialyltransferase (sialyltransferase 2)
K12248  beta-galactoside alpha-2,6-sialyltransferase (sialyltransferase 0160)
Genes
HSA: 6480(ST6GAL1) 84620(ST6GAL2)
PTR: 450198(ST6GAL2) 460922(ST6GAL1)
PPS: 100969795(ST6GAL1) 100981465(ST6GAL2)
GGO: 101129847(ST6GAL2) 101142727(ST6GAL1)
PON: 100174088(ST6GAL1) 100456090(ST6GAL2)
NLE: 100580010(ST6GAL2) 100599869(ST6GAL1)
MCC: 708113(ST6GAL1) 713552(ST6GAL2)
MCF: 102121444(ST6GAL1) 102142751(ST6GAL2)
CSAB: 103241198(ST6GAL2) 103241877(ST6GAL1)
RRO: 104660586(ST6GAL2) 104682948(ST6GAL1)
RBB: 108512469(ST6GAL2) 108530462(ST6GAL1)
CJC: 100408699(ST6GAL1) 100411939(ST6GAL2)
SBQ: 101032294(ST6GAL1) 101047107(ST6GAL2)
MMU: 20440(St6gal1) 240119(St6gal2)
RNO: 25197(St6gal1) 301155(St6gal2)
CGE: 100689389(St6gal1) 100763756(St6gal2)
NGI: 103726632(St6gal2) 103750114(St6gal1)
HGL: 101718025(St6gal1) 101722644(St6gal2)
CCAN: 109691378(St6gal1) 109701499(St6gal2)
OCU: 100353188(ST6GAL1) 100358153(ST6GAL2)
TUP: 102499508(ST6GAL1) 102500330(ST6GAL2)
CFA: 478668(ST6GAL1) 481315(ST6GAL2)
AML: 100478457(ST6GAL2) 100481066(ST6GAL1)
UMR: 103670658(ST6GAL2) 103676045(ST6GAL1)
ORO: 101374165(ST6GAL2) 101377549(ST6GAL1)
FCA: 101097832(ST6GAL1) 101098620(ST6GAL2)
PTG: 102956769(ST6GAL1) 102962032(ST6GAL2)
AJU: 106968006(ST6GAL1) 106977960(ST6GAL2)
BTA: 282073(ST6GAL1) 493992(ST6GAL2)
BOM: 102273022(ST6GAL1) 102285977(ST6GAL2)
BIU: 109556984(ST6GAL1) 109566122(ST6GAL2)
PHD: 102334395(ST6GAL1) 102334543(ST6GAL2)
CHX: 100861310(ST6GAL1) 102179776(ST6GAL2)
OAS: 100913159(ST6GAL1) 101108300(ST6GAL2)
SSC: 100302026(ST6GAL1) 100512775(ST6GAL2)
CFR: 102508797(ST6GAL2) 102512873(ST6GAL1)
CDK: 105085840(ST6GAL1) 105099139(ST6GAL2)
BACU: 103009068(ST6GAL2) 103012200(ST6GAL1)
LVE: 103073782(ST6GAL2) 103086030(ST6GAL1)
OOR: 101273721(ST6GAL2) 101285111(ST6GAL1)
ECB: 100059539(ST6GAL1) 100062033(ST6GAL2)
EPZ: 103555423(ST6GAL2) 103567256(ST6GAL1)
EAI: 106829390(ST6GAL2) 106832544(ST6GAL1)
MYB: 102241174(ST6GAL2) 102244256(ST6GAL1)
MYD: 102753980(ST6GAL1) 102768324(ST6GAL2)
HAI: 109375943(ST6GAL2) 109396927(ST6GAL1)
RSS: 109458244(ST6GAL2) 109458449(ST6GAL1)
PALE: 102886717(ST6GAL1) 102890603(ST6GAL2)
LAV: 100660981(ST6GAL2) 100664378(ST6GAL1)
MDO: 100019249(ST6GAL2) 100617174(ST6GAL1)
SHR: 100922140(ST6GAL1) 100932183(ST6GAL2)
OAA: 100077134(ST6GAL2) 100093341
GGA: 396169(ST6GAL1) 403122(ST6GAL2)
MGP: 100545097(ST6GAL2) 100548556
CJO: 107306533(ST6GAL2) 107317947(ST6GAL1)
APLA: 101796015(ST6GAL2) 101803267(ST6GAL1)
ACYG: 106040277(ST6GAL1) 106041658(ST6GAL2)
TGU: 100226346(ST6GAL1) 100230425(ST6GAL2)
GFR: 102032813 102038321(ST6GAL2) 102042024(ST6GAL1)
FAB: 101810086(ST6GAL2) 101820079(ST6GAL1)
PHI: 102107561(ST6GAL1) 102109099(ST6GAL2)
PMAJ: 107208898(ST6GAL1) 107211419(ST6GAL2)
CCAE: 111922685(ST6GAL2) 111933760(ST6GAL1)
CCW: 104686087(ST6GAL2) 104693051(ST6GAL1)
FPG: 101914140(ST6GAL2) 101924763(ST6GAL1)
FCH: 102056735(ST6GAL2) 102058385(ST6GAL1)
CLV: 102087342(ST6GAL2) 102097093(ST6GAL1)
EGZ: 104126364(ST6GAL2) 104135489(ST6GAL1)
AAM: 106494052(ST6GAL2) 106496189(ST6GAL1)
ASN: 102372316(ST6GAL2) 102373489(ST6GAL1)
AMJ: 102569903(ST6GAL2) 102575767(ST6GAL1)
PSS: 102446128(ST6GAL1) 102453477(ST6GAL2)
CMY: 102941507 102943395(ST6GAL2)
CPIC: 101939719 101943605(ST6GAL1) 101950728(ST6GAL2)
ACS: 100529108(st6gal2) 100529109(st6gal1)
PVT: 110074124(ST6GAL2) 110088940(ST6GAL1)
PBI: 103061620(ST6GAL1) 103062404(ST6GAL2)
GJA: 107110554(ST6GAL1) 107125130(ST6GAL2)
XLA: 108708393(st6gal2.L) 108709694(st6gal2.S) 108717116(st6gal1.L) 108718183(st6gal1.S)
XTR: 100491268(st6gal1) 407846(st6gal2)
NPR: 108785132(ST6GAL2) 108785675(ST6GAL1)
DRE: 403116(st6gal2a) 445376(st6gal1)
AMEX: 103024101(st6gal2) 103030360 103031874
TRU: 445982(st6gal1) 777969(st6gal2)
NCC: 104951849(st6gal1) 104957421(st6gal2)
MZE: 101464130(st6gal2) 101466910
OLA: 100049381(st6gal2)
XMA: 102229475(st6gal2) 102231535
PRET: 103476390 103480039(st6gal2)
NFU: 107384328 107389803(st6gal2)
CSEM: 103391691(st6gal2)
LCF: 108881134 108901078(st6gal2)
SDU: 111218195(st6gal2)
HCQ: 109513608 109530661(st6gal2)
BPEC: 110165642 110173121(st6gal2)
MALB: 109965389(st6gal2)
ELS: 105016575(st6gal2) 105022087 106024003(st6gal1)
LCM: 102351140(ST6GAL1) 102359235(ST6GAL2) 102360214 102360354
CMK: 103172241(st6gal2) 103174913(st6gal1)
DME: Dmel_CG4871(ST6Gal)
DPO: Dpse_GA18492(Dpse_ST6Gal)
DAN: Dana_GF11909(Dana_ST6Gal)
DER: Dere_GG19899(Dere_ST6Gal)
DPE: Dper_GL17166(Dper_ST6Gal)
DSE: Dsec_GM11799(Dsec_ST6Gal)
DSI: Dsimw501_GD24925(Dsim_ST6Gal)
DYA: Dyak_GE11423(Dyak_ST6Gal)
DGR: Dgri_GH21565(Dgri_ST6Gal)
DMO: Dmoj_GI19537(Dmoj_ST6Gal)
DVI: Dvir_GJ21108(Dvir_ST6Gal)
MDE: 101891865
HAW: 110369814
PXY: 105396375
DNX: 107173187
TUT: 107362587
HDU: HD_0053
PMU: PM0188
SWP: swp_5060
 » show all
Taxonomy
Reference
1  [PMID:5726897]
  Authors
Spiro MJ, Spiro RG.
  Title
Glycoprotein biosynthesis: studies on thyroglobulin. Thyroid sialyltransferase.
  Journal
J Biol Chem 243:6520-8 (1968)
Reference
2  [PMID:4313609]
  Authors
Hickman J, Ashwell G, Morell AG, van den Hamer CJ, Scheinberg IH.
  Title
Physical and chemical studies on ceruloplasmin. 8. Preparation of N-acetylneuraminic acid-1-14C-labeled ceruloplasmin.
  Journal
J Biol Chem 245:759-66 (1970)
Reference
3  [PMID:4723915]
  Authors
Bartholomew BA, Jourdian GW, Roseman S.
  Title
The sialic acids. XV. Transfer of sialic acid to glycoproteins by a sialyltransferase from colostrum.
  Journal
J Biol Chem 248:5751-62 (1973)
Reference
4  [PMID:849932]
  Authors
Paulson JC, Beranek WE, Hill RL.
  Title
Purification of a sialyltransferase from bovine colostrum by affinity chromatography on CDP-agarose.
  Journal
J Biol Chem 252:2356-62 (1977)
Reference
5  [PMID:6366476]
  Authors
Schachter H, Narasimhan S, Gleeson P, Vella G.
  Title
Glycosyltransferases involved in elongation of N-glycosidically linked oligosaccharides of the complex or N-acetyllactosamine type.
  Journal
Methods Enzymol 98:98-134 (1983)
Reference
6  [PMID:2460092]
  Authors
Albarracin I, Lassaga FE, Caputto R.
  Title
Purification and characterization of an endogenous inhibitor of the sialyltransferase CMP-N-acetylneuraminate: lactosylceramide alpha 2,6-N-acetylneuraminyltransferase (EC 2.4.99.-).
  Journal
Biochem J 254:559-65 (1988)
Other DBs
ExplorEnz - The Enzyme Database: 2.4.99.1
IUBMB Enzyme Nomenclature: 2.4.99.1
ExPASy - ENZYME nomenclature database: 2.4.99.1
BRENDA, the Enzyme Database: 2.4.99.1
CAS: 9075-81-4

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