Activities in Family | UDP-Gal: β-1,3-galactan β-1,6-galactosyltransferase (EC 2.4.1.-); UDP-Gal: β-1,6-galactan β-1,6-galactosyltransferase (EC 2.4.1.-); CMP-NeuAc: α-2,8-polysialyltransferase (EC 2.4.3.-); Sialyltransferase (EC 2.4.3.-); CMP-NeuAc: β-galactoside α-2,6-sialyltransferase (EC 2.4.3.1); CMP-Neu5Ac: α-N-acetylgalactoside α-2,6-sialyltransferase (EC 2.4.3.3); CMP-Neu5Ac: β-galactoside α-2,3-sialyltransferase (EC 2.4.3.4); CMP-Neu5Ac: N-acetyllactoside α-2,3-sialyltransferase (EC 2.4.3.6); α-N-acetylneuraminyl-2,3-β-galactosyl-1,3-N-acetylgalactoside α-2,6-sialyltransferase (EC 2.4.3.7); CMP-Neu5Ac : α-N-acetylneuraminate α-2,8-sialyltransferase (EC 2.4.3.8); Lactosylceramide α-2,3-sialyltransferase (EC 2.4.3.9); Transferring other glycosyl groups (EC 2.4.99.-); |
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Mechanism | Inverting |
Note | These enzymes use CMP-beta-N-acetylneuraminate as the sugar donor |
External resources | CFG(Core1); CFG(Glycosphingolipid); CFG(N-linked); CFG(Terminal); Glymap; |
Statistics | GenBank accession (2061); Uniprot accession (180); PDB accession (16); 3D entries (6); cryst (0) |
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Eukaryota | |||||||
Protein Name | EC# | Organism | GenBank | Uniprot | PDB/3D | ||
α-2,8-sialyltransferase (SIAT8C) | Gallus gallus | CAG27882.1 | |||||
α-2,8-sialyltransferase (SIAT8B) | Gallus gallus | CAG27881.1 | |||||
α-2,8-syalyltransferase ST8Siα-V (SIAT8C) | Gallus gallus | CAG28697.1 | |||||
α-2,3-sialyltransferase ST3Gal IV (Siat4c) | Gallus gallus | CAI29182.1 AFN40450.1 |
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α-2,3-sialyltransferase ST3Gal III (Siat6) | Gallus gallus | CAI26252.1 AFK24468.1 |
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ST3 β-galactoside α-2,3-sialyltransferase 1 (St3gal1) | Gallus gallus | AFN40455.1 | |||||
ST6 β-galactosamide α-2,6-sialyltransferase 1 (St6gal1) | Gallus gallus | AFN40452.1 | |||||
ST3 β-galactoside α-2,3-sialyltransferase 6 (St3gal6) | Gallus gallus | AFN40454.1 | |||||
ST3 β-galactoside α-2,3-sialyltransferase 3 (St3gal3) | Gallus gallus | AFN40456.1 | |||||
ST6Gal I | Gasterosteus aculeatus | CBQ74103.1 | |||||
ST6Gal II | Gasterosteus aculeatus | CBQ74104.1 | |||||
α-2,8-sialyltransferase ST8Sia VI (siat 8F) | Gasterosteus aculeatus | CAL91581.1 | |||||
α-2,8-sialyltransferase ST8Sia V (siat 8E) | Gasterosteus aculeatus | CAM12264.1 | |||||
α-2,8-sialyltransferase II (ST8Sia II;SiaT8b) | Gasterosteus aculeatus | CAM12268.1 | |||||
α-2,8-sialyltransferase ST8Sia IIIA (siat 8C) | Gasterosteus aculeatus | CAM12269.1 | |||||
α-2,8-sialyltransferase ST8Sia IIIB (siat 8Cr) | Gasterosteus aculeatus | CAM12270.1 | |||||
α-2,8-sialyltransferase ST8Sia I (siat 8A) | Gasterosteus aculeatus | CAM12271.1 | |||||
Stv2A | Glycine max | CAJ15143.1 | |||||
Stv2B | Glycine max | CAJ15144.1 ACU19810.1 |
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Stv1 | Gossypium raimondii | CAJ15145.1 | |||||
147787 | Guillardia theta CCMP2712 (Guith1) | ||||||
145289 | Guillardia theta CCMP2712 (Guith1) | ||||||
133129 | Guillardia theta CCMP2712 (Guith1) | ||||||
ST6GALNAC2 | Gulo gulo luscus | WGG27377.1 | |||||
sialyltransferase 4 (St4) | Hemicentrotus pulcherrimus | BAI77454.1 | |||||
sialyltransferase 5 (St5) | Hemicentrotus pulcherrimus | BAI77455.1 | |||||
sialyltransferase 3 (St3) | Hemicentrotus pulcherrimus | BAI77453.1 | |||||
sialyltransferase 7 (St7) (partial) | Hemicentrotus pulcherrimus | BAJ10551.1 | |||||
sialyltransferase 8 (St8) | Hemicentrotus pulcherrimus | BAM36888.1 | |||||
HERILL_LOCUS1276 | Hermetia illucens | CAD7077980.1 | |||||
α-2,3-sialyltransferase I (ST3Gal I;Siat4A) | 2.4.3.4 | Homo sapiens | AAG29876.1 AAA36612.1 AAC17874.1 AAC37574.1 AAD39238.1 AAH18357.1 CAS91688.1 NP_003024.1 NP_775479.1 |
A0A024R9L6 Q11201 |
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α-2,3-sialyltransferase III (ST3Gal III;SiaT6) | 2.4.3.6 | Homo sapiens | CAF25177.1 AAA35778.1 AAH50380.1 AAO13859.1 AAO13861.1 AAO13862.1 AAO13863.1 AAO13864.1 AAO13866.1 AAO13867.1 AAO13869.1 AAO13870.1 AAO13871.1 AAO13872.1 AAO13874.1 AAO38807.1 AAO38808.1 AAO38809.1 AAO38810.1 AAO38811.1 ANZ79617.1 BAG63274.1 CAH71022.1 CAH71023.1 CAH71024.1 CAH71027.1 CAH71028.1 CAH71029.1 CAH71030.1 CAH71031.1 CAH71032.1 CAH71033.1 CAI16785.1 CAI16786.1 CAI16787.1 CAI16790.1 CAI16791.1 CAI16792.1 CAI16793.1 CAI16794.1 CAI16795.1 CAI16796.1 CAI22181.1 CAI22182.1 CAI22183.1 CAI22186.1 CAI22187.1 CAI22188.1 CAI22189.1 CAI22190.1 CAI22191.1 CAI22192.1 CAS91690.1 CAT03463.1 NP_006270.1 NP_777624.1 NP_777626.1 NP_777629.1 NP_777632.1 |
A0A1B2JLU4 D3DPX8 P61132 Q11203 Q11203 Q5T4X0 |
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α-2,3-sialyltransferase IV (ST3Gal IV;ST3GAL4;Siat4c;STZ) | 2.4.3.4 | Homo sapiens | AAH10645.1 AAA16460.1 AAC14162.1 AAK93790.1 AAM66431.1 AAM66432.1 AAM66433.1 AAM81378.1 ACM84702.1 BAB13940.1 BAF84266.1 BAG37279.1 CAA52662.1 CAE91353.1 CAG33139.1 CAS91691.1 NP_006269.1 |
Q11206 Q6IBE6 Q8N6A6 Q8N6A7 Q8NFD3 Q8NFG7 Q9HAA9 |
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α-2,3-sialyltransferase II (ST3Gal II;Siat4B;Siat5) | 2.4.3.4 | Homo sapiens | AAH36777.1 AAB40389.1 BAG35855.1 BAG54481.1 CAA65447.1 CAS91689.1 NP_008858.1 |
A0A024QZA4 B2R7K8 B3KXG9 Q16842 |
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α-2,3-sialyltransferase VI (ST3GalVI;St3Gal6;Siat10) (St3gal6) | 2.4.3.4 | Homo sapiens | AAD39131.1 AAH23312.1 BAA77609.1 BAG50993.1 CAE89895.1 CAF00161.1 CAS91693.1 NP_006091.1 |
B2RCH2 D3DN39 Q9Y274 |
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α-2,8-polysialyltransferase IV (ST8Sia IV;Siat8d;PST-1) | 2.4.3.- | Homo sapiens | AAH53657.1 AAC41775.1 AAH27866.1 ACM85043.1 BAF85561.1 CAN37586.1 CAS91698.1 NP_005659.1 |
A8KA07 Q8N1F4 Q92187 |
6AHZ[A] | ||
α-2,8-sialyltransferase V (ST8SiaV;Siat8e;SAT-V) (St8sia5) | Homo sapiens | AAC51727.1 AAI08911.1 BAG51661.1 BAG52854.1 BAH11545.1 BAH12893.1 CAG33318.1 CAS91699.1 NP_037437.1 |
B3KSU2 B7Z5F7 O15466 |
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α-2,8-sialyltransferase III (ST8Sia III;Siat8c) | Homo sapiens | AAB87642.1 AAC15901.2 AAH74909.1 BAD92233.1 BAF82206.1 BAG35879.1 CAS91697.1 NP_056963.1 |
A8K0F2 O43173 Q59GW3 |
5BO6[A,B] 5BO7[A,B] 5BO8[A,B] 5BO9[A,B] 5CXY[A,B] |
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α-2,8-sialyltransferase I (ST8Sia I;Siat8a;SAT-II;GD3 synthase) | 2.4.3.8 | Homo sapiens | AAC37586.1 AAA62366.1 AAH31081.1 AAI17286.1 AAI26163.1 AAQ53140.1 ABN29101.1 ACM80809.1 ACM82503.1 BAA05391.1 BAF83630.1 BAG59776.1 CAA54891.1 CAS91695.1 NP_003025.1 |
A8K4H6 B4DM64 Q92185 |
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α-2,8-sialyltransferase II (ST8Sia II;St8Sia2;SiatbB;STX) | Homo sapiens | AAC24458.1 AAA36613.1 AAB51242.1 AAH69584.1 AAH96202.1 AAH96203.1 AAH96204.1 AAH96205.1 ACM83967.1 ACS13735.1 ACS13736.1 CAS91696.1 NP_006002.1 |
B2R9U8 C6G488 Q4VAY9 Q4VAZ2 Q92186 |
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CMP-NeuAc: β-galactoside α-2,6-sialyltransferase I (ST6GAL1;ST6Gal I;Siat1;Siat-1;ST6N) | 2.4.3.1 | Homo sapiens | CAA01327.1 AAH31476.1 AAH40009.1 ACM80808.1 ACM85639.1 ACQ18409.1 BAF85568.1 BAG34960.1 CAA01686.1 CAA35111.1 CAA38246.1 CAA44634.1 CAS91678.1 NP_003023.1 NP_775323.1 |
A8KA14 D3DNV3 P15907 |
4JS1[A] 4JS2[A] 6QVS[A,B] 6QVT[A,B] |
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lactosylceramide α-2,3-sialyltransferase V (ST3Gal V;Siat9) | 2.4.3.9 | Homo sapiens | AAD14634.1 AAF66146.1 AAH65936.2 AAO16866.1 AAO16866.2 AAP65066.1 AAQ89463.1 AAY24147.1 ABI12336.1 ABX94074.1 ABX96367.1 ABX96677.1 ABY05141.1 ABY16080.1 ABY18877.1 ACC23222.1 ACE08868.1 ACG89779.1 ACK00075.1 ACM84564.1 ACM95185.1 ACP58739.1 ACP73940.1 ACP88674.1 ACS06566.1 ACW23933.1 ALQ33905.1 ALQ33906.1 BAA33950.1 BAG50894.1 CAE89320.1 CAJ44921.1 CAS91692.1 NP_003887.2 |
A0A0S2Z4Q7 A0A0S2Z4S6 B3KM82 Q9UNP4 |
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CMP-NeuAc:N-acetylgalactosaminide α-2,6-sialyltransferase II (ST6GalNAc II;Sia7b;SThM) | 2.4.3.3 | Homo sapiens | AAH40455.1 AAA52228.1 AAV38775.1 CAB61434.1 CAS91683.1 NP_006447.1 |
A0A024R8M1 Q9UJ37 |
6APJ[A,B,C,D,E,F] 6APL[A,B,C,D,E,F] |
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N-acetylgalactosaminide α-2,6-sialyltransferase VI (ST6GalNAc VI;St6GalNAc6) | Homo sapiens | AAH06564.1 AAH07802.1 AAH16299.1 AAH36102.1 AAQ89035.1 ABA31389.1 ABA36389.1 ABA37971.1 ABA68648.1 ABA69651.1 ABA70033.1 ABA70156.1 ABC03977.1 ABC16012.1 ABE23467.1 ABE26030.1 ABE26303.1 ABH64540.1 ABH64663.1 ABH64820.1 ABH66049.1 ABH70868.1 ABH70991.1 ABH72505.1 ABH75620.1 ABH99405.1 ABI02510.1 ABI07311.1 ABI10959.1 ABI12183.1 ABJ19344.1 ABJ34339.1 ABL21803.1 ABX93921.1 ABX96214.1 ABX96524.1 ABY04988.1 ABY15927.1 ABY18724.1 ACC22759.1 ACC35829.1 ACE08715.1 ACG89626.1 ACJ99921.1 ACM95032.1 ACN08791.1 ACP73787.1 ACS06413.1 ACS08565.1 ACW23780.1 ADO22440.1 ALQ34075.1 ALQ34076.1 BAA87035.1 BAB14715.1 BAG51863.1 BAG62242.1 CAD45373.1 CAE91145.1 CAG33599.1 CAI12609.1 CAI12610.1 CAI12611.1 CAI12612.1 CAS91687.1 NP_038471.2 |
A0A0S2Z5G9 A0A0S2Z653 B4DU80 Q969X2 Q9H8A2 |
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N-acetylgalactosaminide α-2,6-sialyltransferase IV (ST6GalNAcIV;Siat7d;Siat3c) (St6galnac4) | 2.4.3.7 | Homo sapiens | BAA87034.1 AAF00102.1 AAH36705.1 AAP63349.1 ACG89841.1 ACH33352.1 BAA91281.1 BAF84738.1 CAB44353.1 CAB44354.1 CAC07404.1 CAC24981.1 CAC27250.1 CAF14360.1 CAI12613.1 CAS91685.1 CAX11911.1 NP_055218.3 NP_778204.1 |
A0A024R881 A8K7N4 Q5T9D0 Q9H4F1 |
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N-acetylgalactosaminide α-2,6-sialyltransferase V (St6alNAc5;ST6GalNAcV;Siat7e) | Homo sapiens | AAH01201.1 ABE14908.1 AHA82580.1 BAB71127.1 BAG53123.1 BAG58078.1 CAB72344.1 CAD45372.1 CAI21821.1 CAM28274.1 CAS91686.1 EAX06386.1 NP_112227.1 |
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N-acetylgalactosaminide α-2,6-sialyltransferase I (Siat7A;Sia7a;ST6GALNAC1;ST6GalNAc I) | 2.4.3.3 | Homo sapiens | CAA72179.2 AAH22462.1 AAM22800.1 AAQ89277.1 ABA13600.1 ABA33477.1 ABC03856.1 ABC04774.1 ABC15951.1 ABE24539.1 ABE25352.1 ABH65894.1 ABH72000.1 ABH72444.1 ABH72821.1 ABH75559.1 ABH83062.1 ABH93236.1 ABH98460.1 ABI01924.1 ABI02448.1 ABI11364.1 ABI12733.1 ABJ18775.1 ABJ30959.1 ABJ35147.1 ABJ39089.1 ABJ41693.1 ABL13582.1 ABN30350.1 ABX91728.1 ABX92004.1 ABX92280.1 ABX92556.1 ABX92832.1 ABX93266.1 ABX93773.1 ABX94507.1 ABX95514.1 ABX95790.1 ABX96066.1 ABY04288.1 ABY04564.1 ABY04840.1 ABY16532.1 ABY18024.1 ABY18300.1 ABY18576.1 ACC00203.1 ACC25401.1 ACC26418.1 ACC36990.1 ACE07635.1 ACE09473.1 ACE10685.1 ACG89184.1 ACJ96248.1 ACN02514.1 ACN06924.1 ACP58316.1 ACP73639.1 ACP89167.1 ACR89117.1 ACR89669.1 ACW28759.1 BAA90953.1 CAS91682.1 NP_060884.1 |
Q8TBJ6 Q9NSC7 |
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α-2,6-sialyltransferase 2 (ST6GAL2;ST6Gal II;KIAA1877) | 2.4.3.1 | Homo sapiens | BAB47506.1 AAH08680.1 AAY15022.1 BAB47506.2 BAC24793.1 CAD54408.1 CAE48260.1 CAE48261.1 CAS91680.1 NP_115917.1 |
D3DVK3 Q86Y44 Q96HE4 Q96JF0 |
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α-2,8-sialyltransferase VI (ST8SIA VI) | Homo sapiens | CAF21722.1 AAI37103.1 AAI37104.1 ACA06074.1 ACA06075.1 ACA06076.1 BAE94653.1 CAH70722.1 CAI40658.1 CAI40659.1 CAS91700.1 NP_001004470.1 XP_291725.3 |
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N-acetylgalactosaminide α-2,6-sialyltransferase III (ST6GalNAc III;Sia7c) | 2.4.3.7 | Homo sapiens | CAD45371.1 AAH59363.1 AAQ88904.1 ABA66708.1 ABI12351.1 ABX96382.1 ABX96692.1 ABY05156.1 ABY16095.1 ABY18892.1 ACC23237.1 ACC35997.1 ACC36307.1 ACE08883.1 ACH32638.1 ACK00090.1 ACM95200.1 ACP73955.1 ACS06581.1 ACW23948.1 BAC03611.1 BAG59810.1 CAK32360.1 CAS91684.1 NP_694541.1 |
B4DM98 Q8NDV1 Q8NDV1 |
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Stv3 | Hordeum vulgare | CAJ15146.1 | |||||
predicted protein | Hordeum vulgare subsp. vulgare | BAK05762.1 | |||||
ORF (fragment) | Hymenochirus curtipes | AEQ17925.1 | |||||
Sia7E | Ictalurus punctatus | ADO28996.1 | |||||
ORF (St6galnac3) | Ictalurus punctatus | AHH40167.1 | |||||
ORF (St8sia4) | Ictalurus punctatus | AHH37676.1 | |||||
ORF (St6gal2) | Ictalurus punctatus | AHH37986.1 | |||||
ORF (St6galnac3) | Ictalurus punctatus | AHH38248.1 | |||||
ORF (St3gal5) | Ictalurus punctatus | AHH39684.1 | |||||
ORF (St8sia1) | Ictalurus punctatus | AHH40000.1 | |||||
ORF (St8sia3) | Ictalurus punctatus | AHH40132.1 | |||||
ORF (St8sia5) | Ictalurus punctatus | AHH40334.1 | |||||
ORF (St3gal3) | Ictalurus punctatus | AHH42788.1 | |||||
IPOD504_ LOCUS 14409 | Iphiclides podalirius | CAH2068551.1 | |||||
ST6Gal (fragment) | Ixodes scapularis | ADO17789.1 | |||||
LSAL_LOCUS8804 (fragment) | Lactuca saligna | CAB4080281.1 | |||||
LSAL_LOCUS23298 | Lactuca saligna | CAB4095626.1 | |||||
LSAL_LOCUS29097 (fragment) | Lactuca saligna | CAB4101784.1 | |||||
LSALG_LOCUS8804 (fragment) | Lactuca saligna | CAI9268375.1 | |||||
LATHSAT_LOCUS11547 | Lathyrus sativus | CAK8542736.1 | |||||
LATHSAT_LOCUS31077 | Lathyrus sativus | CAK8579109.1 | |||||
LSAA_14924 (fragment) | Lepeophtheirus salmonis IoA-00 | CAF3036992.1 CAB4069938.1 |
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LSAA_15025 | Lepeophtheirus salmonis IoA-00 | CAF3034191.1 CAB4069772.1 |
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LSAA_14950 | Lepeophtheirus salmonis IoA-00 | CAF3036246.1 CAB4069894.1 |
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LSAA_11385 (fragment) | Lepeophtheirus salmonis IoA-00 | CAF2982562.1 CAB4067137.1 |
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LSAA_14642 | Lepeophtheirus salmonis IoA-00 | CAF3034209.1 CAB4069773.1 |
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LSAA_4046 | Lepeophtheirus salmonis IoA-00 | CAF2833408.1 CAB4058496.1 |
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LSAA_13918 | Lepeophtheirus salmonis IoA-00 | CAF3017150.1 CAB4068859.1 |
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LSAA_12467 | Lepeophtheirus salmonis IoA-00 | CAF2982533.1 CAB4067135.1 |
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LSAA_645 (fragment) | Lepeophtheirus salmonis IoA-00 | CAF2780380.1 CAB4055744.1 |
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LSAA_14540 | Lepeophtheirus salmonis IoA-00 | CAF3036848.1 CAB4069930.1 |
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LSAA_11977 (fragment) | Lepeophtheirus salmonis IoA-00 | CAF2982548.1 CAB4067136.1 |
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LSINAPIS_LOCUS6148 (fragment) | Leptidea sinapis | VUY94163.1 | |||||
Stv2 | Lotus japonicus | CAJ15148.2 CAJ15148.1 |
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ORF7 | Lupinus angustifolius | CCH47222.1 | |||||
SIAT8B (fragment) | Macaca fascicularis | AAW55579.1 | |||||
ORF | Macaca fascicularis | BAE72949.1 | |||||
ORF (fragment) | Macaca fascicularis | BAE72971.1 | |||||
unnamed protein product (fragment) | Macaca fascicularis | BAE87253.1 | |||||
unnamed protein product | Macaca fascicularis | BAE88437.1 | |||||
CMP-N-acetylneuraminate-β-galactosamide-α-2, 3-sialyltransferase 4 (St3gal4) | Macaca mulatta | AFE79710.1 AFH33640.1 AFI38029.1 |
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type 2 lactosamine α-2,3-sialyltransferase (St3gal6) | Macaca mulatta | AFE64276.1 | |||||
siα-a-2,3-Gal-β-1,4-GlcNAc-R:alpha 2,8-sialyltransferase (St8sia3) | Macaca mulatta | AFE65983.1 | |||||
CMP-N-acetylneuraminate-β-1,4-galactoside α-2,3-sialyltransferase isoform j (St3gal3) | Macaca mulatta | AFE79717.1 AFH33647.1 |
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α-N-acetylgalactosaminide α-2,6-sialyltransferase 6 (St6galnac6) | Macaca mulatta | AFE65151.1 AFH28687.1 |
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α-N-acetylgalactosaminide α-2,6-sialyltransferase 3 isoform 1 (St6galnac3) | Macaca mulatta | AFE77581.1 | |||||
CMP-N-acetylneuraminate-β-galactosamide-α-2, 3-sialyltransferase 2 (St3gal2) | Macaca mulatta | AFE75884.1 AFH27656.1 AFI34321.1 |
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CMP-N-acetylneuraminate-β-galactosamide-α-2, 3-sialyltransferase 4 isoform 1 precursor (St3gal4) | Macaca mulatta | AFE66355.1 AFI34007.1 |
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lactosylceramide α-2,3-sialyltransferase isoform 1 (St3gal5) | Macaca mulatta | AFE66481.1 | |||||
β-galactoside α-2,6-sialyltransferase 2 isoform a, partial (St6gal2) (fragment) | Macaca mulatta | AFE70088.1 | |||||
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