KEGG   ENZYME: 2.4.1.90
Entry
EC 2.4.1.90                 Enzyme                                 

Name
N-acetyllactosamine synthase;
UDP-galactose---N-acetylglucosamine beta-D-galactosyltransferase;
uridine diphosphogalactose-acetylglucosamine galactosyltransferase;
beta-1,4-galactosyltransferase;
acetyllactosamine synthetase;
lactosamine synthase;
lactosamine synthetase;
lactose synthetase A protein;
N-acetyllactosamine synthetase;
UDP-galactose N-acetylglucosamine beta-4-galactosyltransferase;
UDP-galactose-acetylglucosamine galactosyltransferase;
UDP-galactose-N-acetylglucosamine beta-1,4-galactosyltransferase;
UDP-galactose-N-acetylglucosamine galactosyltransferase;
beta1-4-galactosyltransferase;
UDP-Gal:N-acetylglucosamine beta1-4-galactosyltransferase;
beta1-4GalT;
NAL synthetase;
UDP-beta-1,4-galactosyltransferase;
Gal-T;
UDP-galactose:N-acetylglucosaminide beta1-4-galactosyltransferase;
UDPgalactose:N-acetylglucosaminyl(beta1-4)galactosyltransferase;
beta-N-acetylglucosaminide beta1-4-galactosyltransferase;
UDP-galactose:N-acetyl-D-glucosamine 4-beta-D-galactosyltransferase
Class
Transferases;
Glycosyltransferases;
Hexosyltransferases
Sysname
UDP-alpha-D-galactose:N-acetyl-D-glucosamine 4-beta-D-galactosyltransferase
Reaction(IUBMB)
UDP-alpha-D-galactose + N-acetyl-D-glucosamine = UDP + N-acetyllactosamine [RN:R01205 R06055]
Reaction(KEGG)
R01205 R06055(G)
Substrate
UDP-alpha-D-galactose [CPD:C00052];
N-acetyl-D-glucosamine [CPD:C00140]
Product
UDP [CPD:C00015];
N-acetyllactosamine [CPD:C00611]
Comment
The reaction is catalysed by a component of EC 2.4.1.22 (lactose synthase), which is identical with EC 2.4.1.38 (beta-N-acetylglucosaminyl-glycopeptide beta-1,4-galactosyltransferase), and by an enzyme from the Golgi apparatus of animal tissues. Formerly listed also as EC 2.4.1.98.
History
EC 2.4.1.90 created 1976 (EC 2.4.1.98 created 1980, incorporated 1984)
Orthology
K07966  beta-1,4-galactosyltransferase 1
K07967  beta-1,4-galactosyltransferase 2
K07968  beta-1,4-galactosyltransferase 3
K07969  beta-1,4-galactosyltransferase 4
Genes
HSA: 2683(B4GALT1) 8702(B4GALT4) 8703(B4GALT3) 8704(B4GALT2)
PTR: 100608173(B4GALT4) 100613700(B4GALT1) 456522(B4GALT2) 457451(B4GALT3)
PPS: 100974756(B4GALT1) 100980267(B4GALT2) 100980499(B4GALT3) 100994562(B4GALT4)
GGO: 101133326(B4GALT2) 101138982(B4GALT1) 101146705(B4GALT4) 101152694(B4GALT3)
PON: 100174763(B4GALT3) 100437696(B4GALT2) 100438031(B4GALT1) 100442932 100443591(B4GALT4)
NLE: 100597531(B4GALT1) 100598306(B4GALT2) 100600025(B4GALT4) 100600657(B4GALT3)
MCC: 703541(B4GALT1) 704038(B4GALT2) 711983(B4GALT4) 719920(B4GALT3)
MCF: 102115300(B4GALT2) 102123574(B4GALT3) 102131044(B4GALT1) 102142820(B4GALT4)
CSAB: 103219294(B4GALT1) 103223692(B4GALT3) 103224947(B4GALT2) 103228234(B4GALT4)
RRO: 104657610(B4GALT4) 104665338(B4GALT3) 104669045(B4GALT2) 104674271(B4GALT1)
RBB: 108518246(B4GALT1) 108521170(B4GALT3) 108531771(B4GALT4) 108535685(B4GALT2)
CJC: 100385157(B4GALT1) 100402903(B4GALT4) 100413633(B4GALT3) 100896540(B4GALT2)
SBQ: 101029385(B4GALT4) 101039415(B4GALT2) 101048901(B4GALT3) 101054125(B4GALT1)
MMU: 14595(B4galt1) 53418(B4galt2) 56375(B4galt4) 57370(B4galt3)
MCAL: 110292610(B4galt2) 110292819(B4galt1) 110300448(B4galt3) 110311536(B4galt4)
MPAH: 110321517(B4galt3) 110322866(B4galt2) 110329539(B4galt4) 110338771(B4galt1)
RNO: 24390(B4galt1) 303923(B4galt4) 313536(B4galt2) 494342(B4galt3)
MUN: 110552917(B4galt2) 110554442(B4galt3) 110555392(B4galt4) 110561670(B4galt1)
CGE: 100689346(B4galt3) 100689430(B4galt1) 100689434(B4galt2) 100689435(B4galt4)
NGI: 103741594(B4galt1) 103741937(B4galt4) 103743868(B4galt2) 103745954(B4galt3)
HGL: 101698779 101702700(B4galt3) 101718811(B4galt2) 101721414(B4galt1) 101723638(B4galt4)
CCAN: 109681413 109689965 109693205(B4galt3) 109694543(B4galt4) 109695495(B4galt2)
OCU: 100345726(B4GALT1) 100351419(B4GALT2) 100357504(B4GALT4) 100358436(B4GALT3)
TUP: 102470291(B4GALT4) 102470655(B4GALT1) 102489782(B4GALT2) 102501629(B4GALT3)
CFA: 476397 481579(B4GALT1) 482527(B4GALT2) 488650(B4GALT3) 608143(B4GALT4)
VVP: 112910047(B4GALT3) 112913456(B4GALT4) 112914817(B4GALT2) 112927554(B4GALT1) 112931239
AML: 100471634(B4GALT2) 100477164(B4GALT1) 100479119 100481658(B4GALT4) 100482718(B4GALT3)
UMR: 103657308 103667105(B4GALT1) 103670800(B4GALT2) 103672017(B4GALT3) 103678795(B4GALT4)
UAH: 113246729(B4GALT3) 113247273 113251830(B4GALT4) 113254774(B4GALT2) 113260528(B4GALT1)
ORO: 101362571(B4GALT1) 101364688(B4GALT2) 101366805(B4GALT3) 101385802(B4GALT4)
ELK: 111138937 111143515 111146253 111150160
FCA: 101084809(B4GALT2) 101089738(B4GALT3) 101100325(B4GALT4) 101100927(B4GALT1)
PTG: 102955088(B4GALT2) 102959538(B4GALT1) 102965736(B4GALT3) 102966539(B4GALT4)
PPAD: 109252046(B4GALT1) 109254800(B4GALT2) 109257290(B4GALT3) 109266428(B4GALT4)
AJU: 106970225(B4GALT2) 106976144(B4GALT1) 106978533(B4GALT3) 106980243(B4GALT4)
BTA: 100125390(B4GALT2) 281781(B4GALT1) 511328(B4GALT4) 515771(B4GALT3)
BOM: 102269762(B4GALT1) 102273575(B4GALT3) 102279871(B4GALT4) 102283249(B4GALT2)
BIU: 109556391(B4GALT2) 109563168(B4GALT1) 109576562(B4GALT4) 109578355(B4GALT3)
BBUB: 102389487(B4GALT1) 102398964(B4GALT3) 102407421(B4GALT4) 102408682(B4GALT2)
CHX: 100860927(B4GALT1) 102190262(B4GALT4) 102191101(B4GALT2) 102191287(B4GALT3)
OAS: 100620048(B4GALT1) 101103686(B4GALT3) 101104949(B4GALT4) 101114825(B4GALT2)
SSC: 100154856(B4GALT3) 100511655(B4GALT1) 100514465 100736821(B4GALT2)
CFR: 102516080(B4GALT2) 102517623(B4GALT1) 102522848(B4GALT4) 102523348(B4GALT3)
CDK: 105085573(B4GALT1) 105090333(B4GALT4) 105090897(B4GALT2) 105100111(B4GALT3)
BACU: 102999260(B4GALT1) 103001417(B4GALT2) 103005928(B4GALT4) 103014433(B4GALT3)
LVE: 103083911(B4GALT3) 103084555(B4GALT4) 103086401(B4GALT1) 103086978(B4GALT2)
OOR: 101278293(B4GALT3) 101278923(B4GALT4) 101285364(B4GALT1) 101285582(B4GALT2)
DLE: 111163203(B4GALT1) 111166843(B4GALT4) 111167059(B4GALT3) 111175715(B4GALT2) 111181131
PCAD: 102977710(B4GALT4) 102981888(B4GALT1) 102991108(B4GALT2) 102991770(B4GALT3)
ECB: 100065936 100066144(B4GALT3) 100066149(B4GALT2) 100068209(B4GALT1) 100071082(B4GALT4)
EPZ: 103540622 103547412(B4GALT4) 103548278(B4GALT2) 103555031(B4GALT1) 103559988(B4GALT3)
EAI: 106822347 106823399(B4GALT4) 106827571(B4GALT3) 106840352 106841463(B4GALT1) 106847911(B4GALT2)
MYB: 102240062(B4GALT1) 102243483(B4GALT4) 102245477(B4GALT3) 102248727(B4GALT2)
MYD: 102751484(B4GALT1) 102755410 102770964(B4GALT3) 102774860(B4GALT2) 102775104(B4GALT4)
MNA: 107526700(B4GALT2) 107527210(B4GALT4) 107531762 107535094(B4GALT3) 107544980(B4GALT1)
HAI: 109371790(B4GALT1) 109376935(B4GALT3) 109383427(B4GALT2) 109386911(B4GALT4)
DRO: 112298941(B4GALT3) 112304428(B4GALT1) 112314589(B4GALT2) 112320685(B4GALT4)
PALE: 102878748(B4GALT1) 102879802(B4GALT4) 102884318(B4GALT2) 102897413(B4GALT3)
RAY: 107499511(B4GALT2) 107502798(B4GALT1) 107504675(B4GALT3) 107508361(B4GALT4)
MJV: 108385572 108394555(B4GALT3) 108404111(B4GALT1) 108404461(B4GALT2) 108408457(B4GALT4)
LAV: 100657659(B4GALT2) 100659897(B4GALT1) 100662008(B4GALT4) 100666904 100671768(B4GALT3)
TMU: 101341812 101348830 101352100 101358819
MDO: 100010600(B4GALT1) 100015888(B4GALT4) 100028240 100032749(B4GALT3) 100617718(B4GALT2)
SHR: 100917085(B4GALT3) 100918732(B4GALT2) 100929465(B4GALT1) 100933479(B4GALT4) 100934965
PCW: 110194785(B4GALT1) 110197965(B4GALT3) 110200216(B4GALT2) 110208058(B4GALT4) 110220169
OAA: 100075607 100075703(B4GALT1) 100092000(B4GALT2) 114807990(B4GALT3) 114817430(B4GALT4)
GGA: 107049101(B4GALT3) 396121(B4GALT1) 396122(B4GALT2) 418341(B4GALT4) 418342(B4GALT3)
MGP: 100543545(B4GALT1) 100543680(B4GALT2) 100547867(B4GALT4) 100548019
CJO: 107306674(B4GALT1) 107307393 107317480(B4GALT2) 107320407(B4GALT4) 107320437
NMEL: 110389893(B4GALT1) 110390460 110399397(B4GALT4) 110399414 110402248(B4GALT2)
APLA: 101792176(B4GALT4) 101792630(B4GALT3) 101792817(B4GALT1)
ACYG: 106037583(B4GALT4) 106037599(B4GALT3) 106040136(B4GALT1) 106049039(B4GALT2)
TGU: 100219809 100223491(B4GALT3) 100223650(B4GALT1) 100230291(B4GALT4) 100230857(B4GALT2)
LSR: 110469509(B4GALT2) 110474049(B4GALT1) 110479050(B4GALT3) 110480885(B4GALT4) 110480886
SCAN: 103815164(B4GALT2) 103821842(B4GALT1) 103827099 103827100(B4GALT4)
GFR: 102034619 102034782(B4GALT4) 102036032(B4GALT2) 102041517(B4GALT1)
FAB: 101805871(B4GALT2) 101807052(B4GALT1) 101809643 101809954(B4GALT4)
PHI: 102104795(B4GALT3) 102106294(B4GALT2) 102108146(B4GALT4) 102108330 102109081(B4GALT1)
PMAJ: 107198186(B4GALT1) 107205999(B4GALT4) 107206030(B4GALT3) 107208264(B4GALT2)
CCAE: 111933140(B4GALT2) 111939072(B4GALT4) 111939118 111941228(B4GALT1)
CCW: 104687053(B4GALT4) 104687054(B4GALT3) 104689823(B4GALT1) 104695261(B4GALT2)
ETL: 114055095 114055096(B4GALT4) 114057877(B4GALT1) 114061818(B4GALT2) 114072102(B4GALT3)
FPG: 101910439(B4GALT3) 101915659(B4GALT4) 101915824 101916596(B4GALT2) 101918852(B4GALT1)
FCH: 102046112(B4GALT1) 102051115(B4GALT4) 102051290 102056545(B4GALT2) 102057757(B4GALT3)
CLV: 102088289(B4GALT1) 102088677(B4GALT2) 102093764(B4GALT4) 102093948 102094059(B4GALT3)
EGZ: 104125508(B4GALT2) 104126496(B4GALT3) 104126497(B4GALT4)
NNI: 104008639(B4GALT4) 104008640 104012591(B4GALT3) 104015428(B4GALT2) 104022647(B4GALT1)
ACUN: 113483103(B4GALT2) 113483816(B4GALT4) 113485122(B4GALT3) 113490200(B4GALT1)
PADL: 103921076(B4GALT1) 103921433(B4GALT4) 103922311(B4GALT3)
AAM: 106484931(B4GALT2) 106486901(B4GALT1) 106490693 106490705(B4GALT4) 106500494(B4GALT3)
ASN: 102370415 102370808(B4GALT4) 102371026 102372956(B4GALT1) 102376584(B4GALT2) 102388067(B4GALT3)
AMJ: 102558168(B4GALT2) 102559129(B4GALT1) 102569919(B4GALT4) 102572436 102575172 106737239(B4GALT3)
PSS: 102448865(B4GALT3) 102450039 102453780(B4GALT4) 102459690(B4GALT1) 102461193
CMY: 102937186 102937222(B4GALT3) 102941864(B4GALT2) 102942662(B4GALT1) 102946330(B4GALT4)
CPIC: 101932379(B4GALT1) 101933315 101945883(B4GALT2) 101952944 101953425(B4GALT4) 101953612(B4GALT3)
ACS: 100553459 100553568(b4galt4) 100557158 100557558(b4galt2) 100558708(b4galt3) 100561064(b4galt1)
PVT: 110073738(B4GALT2) 110074017 110074021(B4GALT4) 110081027(B4GALT3) 110087350(B4GALT1) 110089672
PBI: 103050267 103063173(B4GALT3) 103065477(B4GALT1) 103068003 103068176(B4GALT4) 103068203(B4GALT2)
PMUR: 107283468(B4GALT2) 107285615(B4GALT1) 107287653(B4GALT4) 107287654 107288004 107300024(B4GALT3)
TSR: 106544528 106546760(B4GALT2) 106549006 106549008(B4GALT4) 106550798(B4GALT3) 106557055(B4GALT1)
PMUA: 114587210(B4GALT3) 114587454(B4GALT1) 114595808 114595809(B4GALT4) 114599120(B4GALT2)
GJA: 107106045(B4GALT4) 107106046 107110573(B4GALT1) 107120293(B4GALT2) 107121751(B4GALT3) 107122018
XLA: 100190782(b4galt2.S) 108696936 108704693 108706812(b4galt1.1.S) 108706813(b4galt1.2.S) 108707823(b4galt4.L) 108709275 108712215(b4galt1.1.L) 108712216(b4galt1.2.L) 108712940 108712957 108714282(b4galt2.L) 379106(MGC52827) 414540 444709(b4galt4.S) 446718(b4galt3.S) 496041
XTR: 100145518(b4galt1.1) 100485024(b4galt1l) 100486704(b4galt3) 100488464(b4galt4) 100492356(b4galt2) 116406683 448369(b4galt3l1) 549418(b4galt1.2) 733985(b4galt3l2)
NPR: 108788802 108791634 108792261 108797172 108797173(B4GALT4) 108800777(B4GALT3) 108802209
DRE: 100148828(b4galt2) 492760(b4galt4) 550425(b4galt1) 556544(si:dkey-199f5.8) 561756(b4galt3) 768123(b4galt1l)
SRX: 107712663 107713046 107713844 107717362 107719754 107723150 107723151 107730805(b4galt2) 107737602 107750327 107751321 107752248(b4galt4) 107758898
SANH: 107657457 107662077 107665944 107666799 107668306 107672040 107677371 107692709 107697619 107699583 107700994 107702948
SGH: 107557142 107557767(b4galt4) 107557953 107560945 107562374 107565367 107576632 107587100 107592109 107593408 107599894 107600525
CCAR: 109046140 109046469 109047435 109059855 109060458 109064225 109090593 109105806 109106057 109108968 109113239(b4galt2)
IPU: 108256292 108260163(b4galt4) 108260689 108267387(b4galt2) 108276285 108277608(B4galt1)
PHYP: 113530669(b4galt3) 113531354(b4galt4) 113540104(b4galt1) 113540513(b4galt2)
AMEX: 103022975(b4galt3) 103028729 103031892 103033307(b4galt2) 103039461 103042661(b4galt4)
EEE: 113570039(b4galt3) 113574431 113583532 113583542 113584665(b4galt2) 113587379(b4galt4) 113587936
TRU: 101061200(b4galt4) 101061762 101061991 101063106 101065400 101066088 101072068(b4galt2) 101075953 101076002 101077184 115248431
TNG: GSTEN00006674G001 GSTEN00007296G001 GSTEN00007669G001 GSTEN00010496G001 GSTEN00012074G001 GSTEN00019044G001 GSTEN00026511G001
LCO: 104917723(b4galt2) 104930288 104933217 104935626(b4galt4) 104938299(b4galt1) 109137286 109138027
NCC: 104951664 104962020 104965999(b4galt4) 104966142
MZE: 101464552 101466383(b4galt4) 101466647 101472320(b4galt1) 101482004 101486761 112429855 112432595
ONL: 100690937 100691259 100692349(b4galt4) 100692426 100692970 100694871(b4galt3) 100711524(b4galt2)
OLA: 100301598(b4galt2) 101159351(b4galt3) 101162708 101164915(b4galt4) 101171148(b4galt1)
XMA: 102216445(b4galt1) 102219706 102221477(b4galt4) 102223611 102224977 102231933(b4galt2) 102233588 102233843 102235410 106700428 111606172 111606205 111606296
XCO: 114136451 114136452 114136454 114136457 114136458 114137012 114139607(b4galt1) 114141594 114146508(b4galt2) 114147654 114152935(b4galt4)
PRET: 103456521 103457015 103457016 103457033 103457329 103467443 103471786(b4galt1) 103475412(b4galt4) 103477521 103479896
CVG: 107081704(b4galt2) 107082712(b4galt1) 107085956 107087046 107094320 107094412 107096681(b4galt4) 107097868
NFU: 107373064 107373848 107379065 107381099(b4galt1) 107382441 107382995 107383812(b4galt2) 107386424(b4galt4) 107395677 107396800
KMR: 108235243(b4galt3) 108237029(b4galt4) 108241697(b4galt2) 108243995 108248973(b4galt1l) 108249546 108250944 108251055(si:dkey-199f5.8)
ALIM: 106514409 106517566 106523994 106526137(b4galt4) 106531648 106532850(b4galt2) 106533299(b4galt1)
AOCE: 111565921 111569747 111569748 111573875 111579296(b4galt2) 111585098 111585099 111585106 111586043(b4galt1) 111587187(b4galt4)
CSEM: 103376904 103377879 103384643 103388849 103390794(b4galt1) 103395579 103396367(b4galt2)
POV: 109628818(b4galt4) 109629466 109633433 109635009 109647156(b4galt2)
LCF: 108877881 108879172 108883305(b4galt2) 108885296(b4galt1) 108893526(b4galt4) 108899405 108900792
SDU: 111219126 111219224(b4galt3) 111230961(b4galt2) 111233512(b4galt1) 111234517(b4galt4) 111235761 111237265
SLAL: 111656997(b4galt2) 111657432 111662869 111665610(b4galt1) 111666268(b4galt4) 111669032
HCQ: 109508336 109510050 109511382 109512237 109517999(b4galt4) 109524074(b4galt2) 109528716
BPEC: 110158487(b4galt4) 110161009 110164179(b4galt2) 110164938 110168019(b4galt1) 110170479
MALB: 109952194 109955445(b4galt2) 109959384(b4galt4) 109963721 109972105
SASA: 106563608(b4galt4) 106566510(b4galt3) 106569086 106582539 106597479 106599387 106602598 106602599 106603047 106604638 106605235 106611645
OTW: 112220987 112226941 112228922 112229713(b4galt3) 112230385 112231086 112231206(b4galt4) 112231848 112245005 112246171 112247375 112256274 112260467
SALP: 111950662 111956847 111959078 111964307(b4galt4) 111965171 111965773 111967527 111971603 111971604 111976535(b4galt3) 111979246 112068292
ELS: 105006928 105007535(b4galt1) 105008881 105009278 105010876(b4galt4) 105021088 105022694(b4galt2) 105022911 105022912 105031107 106024204
SFM: 108919177 108924680(b4galt4) 108925913 108925916 108927818 108935233(b4galt2) 108938816 108939369
PKI: 111838050(b4galt4) 111838658 111842288(b4galt3) 111846077(b4galt2) 111848718(b4galt1)
LCM: 102350195(B4GALT2) 102355225(B4GALT3) 102355454 102355730 102357329 102358769 102367388
CMK: 103173410 103177647 103181973 103182791(b4galt2) 103184325 103185094(b4galt4)
RTP: 109917086 109921819(b4galt4) 109922940 109923637 109926608(b4galt3)
CIN: 100175041 100176804 100177052 100178997 100182391 100182676 100184328 100185960 445802(b4galt)
API: 100302475(NV135)
DNX: 107166054
AGS: 114128088
RMD: 113554920
PVM: 113821378
DPTE: 113790588 113798918
CEL: CELE_Y73E7A.7(bre-4)
CBR: CBG22165(Cbr-bre-4)
LOA: LOAG_17990
NAI: NECAME_07203 NECAME_17866
LGI: LOTGIDRAFT_113306
CRG: 105324333
MYI: 110446269 110449332
LAK: 106153491 106159675 106164999 106177178
SMM: Smp_146430
SHX: MS3_07047
OVI: T265_05578 T265_09073
 » show all
Reference
1  [PMID:99178]
  Authors
Deshmukh DS, Bear WD, Soifer D.
  Title
Isolation and characterization of an enriched Golgi fraction from rat brain.
  Journal
Biochim Biophys Acta 542:284-95 (1978)
DOI:10.1016/0304-4165(78)90024-7
Reference
2  [PMID:4631039]
  Authors
Helting T, Erbing B.
  Title
Galactosyltransfer in mouse mastocytoma: purification and properties of N-acetyllactosamine synthetase.
  Journal
Biochim Biophys Acta 293:94-104 (1973)
DOI:10.1016/0005-2744(73)90379-3
Reference
3  [PMID:812340]
  Authors
Hill RL, Brew K.
  Title
Lactose synthetase.
  Journal
Adv Enzymol Relat Areas Mol Biol 43:411-90 (1975)
DOI:10.1002/9780470122884.ch5
Reference
4  [PMID:6201486]
  Authors
Humphreys-Beher MG.
  Title
Isolation and characterization of UDP-galactose:N-acetylglucosamine 4 beta-galactosyltransferase activity induced in rat parotid glands treated with isoproterenol.
  Journal
J Biol Chem 259:5797-802 (1984)
Reference
5  [PMID:4392041]
  Authors
Schachter H, Jabbal I, Hudgin RL, Pinteric L, McGuire EJ, Roseman S.
  Title
Intracellular localization of liver sugar nucleotide glycoprotein glycosyltransferases in a Golgi-rich fraction.
  Journal
J Biol Chem 245:1090-100 (1970)
Other DBs
ExplorEnz - The Enzyme Database: 2.4.1.90
IUBMB Enzyme Nomenclature: 2.4.1.90
ExPASy - ENZYME nomenclature database: 2.4.1.90
BRENDA, the Enzyme Database: 2.4.1.90
CAS: 9054-94-8

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