Glycoside Hydrolase Family 13 / Subf 26

Activities in Familyα-amylase (EC; pullulanase (EC; cyclomaltodextrin glucanotransferase (EC; cyclomaltodextrinase (EC; trehalose-6-phosphate hydrolase (EC; oligo-α-glucosidase (EC; maltogenic amylase (EC; neopullulanase (EC; α-glucosidase (EC; maltotetraose-forming α-amylase (EC; isoamylase (EC; glucodextranase (EC; maltohexaose-forming α-amylase (EC; maltotriose-forming α-amylase (EC; branching enzyme (EC; trehalose synthase (EC; 4-α-glucanotransferase (EC; maltopentaose-forming α-amylase (EC 3.2.1.-) ; amylosucrase (EC ; sucrose phosphorylase (EC; malto-oligosyltrehalose trehalohydrolase (EC; isomaltulose synthase (EC; malto-oligosyltrehalose synthase (EC; amylo-α-1,6-glucosidase (EC; α-1,4-glucan: phosphate α-maltosyltransferase (EC; 6'-P-sucrose phosphorylase (EC 2.4.1.-); amino acid transporter
Activities in Sub Family
Mechanism Retaining
3D Structure Status( β / α ) 8
Catalytic Nucleophile/BaseAsp (experimental)
Catalytic Proton DonorGlu (experimental)
NoteNew: many members have been assigned to subfamilies as described by Stam et al. (2006) Protein Eng Des Sel. 19, 555-562 (PMID: 17085431)
External resourcesCAZypedia; EBI Protein of the Month; HOMSTRAD; PDB Molecule of the Month; PRINTS;
Commercial Enzyme Provider(s)MEGAZYME; PROZOMIX;
Statistics GenBank accession (2702); Uniprot accession (287); PDB accession (2); 3D entries (2); cryst (0)
All (2646) Archaea (37) Bacteria (2608) Eukaryota (1) Structure (2) Characterized (12)
Protein Name EC#Organism GenBankUniprotPDB/3DSubf
 TreY (fragment)   Acidianus ambivalens DSM 3772 CBY66041.1     26
 DFR85_11605 (TreY)   Acidianus brierleyi DSM 1651 AWR95146.1     26
 Ahos_1027   Acidianus hospitalis W1 AEE93913.1     26
 B6F84_09235   Acidianus manzaensis YN-25 ARM76185.1     26
 DFR86_07940 (TreY)   Acidianus sulfidivorans JP7 AWR97487.1     26
 CPM_0718   Cuniculiplasma divulgatum PM4 (=JCM 30641; =VKM B-2940) SJK84575.1     26
 CSP5_0720   Cuniculiplasma divulgatum S5(T) (=JCM 30642; =VKM B-2941) SIM52923.1     26
 Mcup_1212   Metallosphaera cuprina Ar-4 AEB95317.1     26
 DFR87_00645   Metallosphaera hakonensis HO1-1 AWR98466.1     26
 maltooligosyltrehalose synthase (TreY;MTS) Metallosphaera hakonensis JCM 8857 AAR18371.1 Q6SZP7   26
 maltooligosyltrehalose synthase (TreY;MTSase) Sulfolobus acidocaldarius BAA11009.1
Q53688 1IV8[A] 26
 ATY89_10840   Sulfolobus acidocaldarius GG12-C01-09 ALU30387.1     26
 SacN8_06985   Sulfolobus acidocaldarius N8 AGE71361.1     26
 ATZ20_02395   Sulfolobus acidocaldarius NG05B_CO5_07 ALU31108.1     26
 SacRon12I_06985   Sulfolobus acidocaldarius Ron12/I AGE73632.1     26
 SUSAZ_06870   Sulfolobus acidocaldarius SUSAZ AHC51689.1     26
 SiH_0855   Sulfolobus islandicus HVE10/4 ADX82208.1     26
 LD85_0436   Sulfolobus islandicus L.D.8.5 ADB86214.1 D2PG20   26
 LS215_0443   Sulfolobus islandicus L.S.2.15 ACP34569.1 C3MLH1   26
 SiL_0519   Sulfolobus islandicus LAL14/1 AGJ61990.1     26
 M1425_0479   Sulfolobus islandicus M.14.25 ACP37334.1 C3MUX1   26
 M1627_0492   Sulfolobus islandicus M.16.27 ACP54490.1 C3N2K2   26
 M164_0514   Sulfolobus islandicus M.16.4 ACR41145.1 C4KE22   26
 SiRe_0490   Sulfolobus islandicus REY15A ADX84576.1     26
 YG5714_0402   Sulfolobus islandicus Y.G.57.14 ACP44694.1 C3NA10   26
 YN1551_2618   Sulfolobus islandicus Y.N.15.51 ACP49545.1 C3NLJ2   26
 maltooligosyltrehalose synthase (TreY) Sulfolobus shibatae AAF17554.1
Q9UWN8   26
 Ssol_2807   Sulfolobus solfataricus 98/2 ACX92889.1 D0KPY5   26
 SULC_2827   Sulfolobus solfataricus 98/2 SULC AKA77582.1     26
 glycosyltrehalose-producing enzyme Sulfolobus solfataricus KM1 BAA11008.1 Q55262   26
 SSOP1_2226   Sulfolobus solfataricus P1 SAI85780.1     26
 maltooligosyltrehalose synthase (TreY;SSO2095) Sulfolobus solfataricus P2 AAK42274.1
 SULA_2829   Sulfolobus solfataricus SULA AKA80272.1     26
 SULB_2830   Sulfolobus solfataricus SULB AKA74886.1     26
 BFU36_08335   Sulfolobus sp. A20 AOL16710.1     26
 ST0929   Sulfurisphaera tokodaii str. 7 BAB65941.1
Q973H2 3HJE[A] 26
 IX51_06165   uncultured archaeon AKA48754.1     26

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