Mechanism	Retaining a
Clan	GH-H
3D Structure Status	( β / α ) 8 barrel
Catalytic Nucleophile/Base	Asp (experimental)
Catalytic Proton Donor	Glu (experimental)
Note	New: many members have been assigned to subfamilies as described by Stam et al. (2006) Protein Eng Des Sel. 19, 555-562 (PMID: 17085431)
External resources	CAZypedia; EBI Protein of the Month; PDB Molecule of the Month;
Statistics	GenBank accession (2); Uniprot accession (41); PDB accession (50); 3D entries (14); cryst (0)

Bacteria
Protein Name	EC#	Reference	Organism	GenBank	Uniprot	PDB/3D	Subf
α-glucosidase (Amy112) (partial)	3.2.1.3	doi	Alkalihalophilus pseudofirmus 703	AQS95354.1	A0A1S6JYL1		31
isomaltulose synthase (AZOG; Avin_08330)	5.4.99.11	pubmed	Azotobacter vinelandii DJ ATCC BAA-1303	ACO77078.1	C1DMP8		31
oligo-α-1,6-glucosidase (MalL)	3.2.1.10	pubmed	Bacillus cereus ATCC 7064	CAA37583.1	P21332	1UOK[A]	31
α-glucosidase with high transglucosylation activity (BspAG13_31A)	3.2.1.20	pubmed	Bacillus sp. (in: firmicutes) AHU2216	BBB94188.1	A0A2Z5WH92	5ZCB[A] 5ZCC[A] 5ZCD[A] 5ZCE[A] 8IBK[A] 8IDS[A]	31
α-glucosidase	3.2.1.20	pubmed	Bacillus sp. (in: firmicutes) SAM1606	CAA54266.1 CBF79159.1	Q45517		31
oligo-α-1,6-glucosidase	3.2.1.10	doi	Bacillus sp. F5	BAA00534.1	P29093		31
oligo-α-1,6-glucosidase	3.2.1.10		Bacillus subtilis HB002	AAG23399.1 CBF79210.1	Q9F4G4		31
α-1,6-glucosidase (MalL;YvdL;BSU34560)	3.2.1.10	pubmed	Bacillus subtilis subsp. subtilis str. 168	CAB15461.1 AIY94772.1 AQR83490.1 AQR87705.1 CAB08041.1 NP_391336.1	A0A6M4JPF4 O06994	4M56[A,B] 4M8U[A] 4MAZ[A] 4MB1[A] 5WCZ[A,B] 7LV6[A]	31
oligo α-glucosidase (AglA)	3.2.1.10	pubmed	Bifidobacterium adolescentis DSM 20083	AAK27723.1	Q9AF93		31
α-1,6-glucosidase 1 (Agl1; Bbr_1855)	3.2.1.10 3.2.1.20	pubmed pubmed	Bifidobacterium breve UCC2003	ACM89182.1 ABE96517.1	C0JP82		31
α-1,6-glucosidase 2 (Agl2; Bbr_0559)	3.2.1.10 3.2.1.20	pubmed pubmed	Bifidobacterium breve UCC2003	ACM89183.1 ABE95255.1	C0JP83		31
α-glucosidase 2 (Agl_2; BlAglA2; BLGA_19140)	3.2.1.10 3.2.1.20	URL URL	Bifidobacterium longum subsp. longum JCM 7052	BBV24503.1			31
α-glucosidase (Agl_1; BlAglA1; BLGA_18600)	3.2.1.10 3.2.1.20	URL URL	Bifidobacterium longum subsp. longum JCM 7052	BBV24449.1			31
α-glucosidase C (GluC; BpGluC; AW18_01930)	3.2.1.20	pubmed	Bifidobacterium pseudocatenulatum IPLA36007	KEF29304.1			31
sucrose isomerase / trehalulose synthase (MutB)	5.4.99.11	pubmed	Burkholderia ubonensis subsp. mesacidophila MX-45	ABC33903.1 AAY69574.1 ABT00107.1 ACO05018.1 CAF32995.1	M1E1F3 M1E1F6 M1E1F7 Q2PS28	1ZJA[A,B] 1ZJB[A,B] 2PWD[A,B] 2PWE[A,B] 2PWF[A,B,C,D] 2PWG[A,B] 2PWH[A,B] 4GI6[A,B] 4GI8[A,B] 4GI9[A,B] 4GIA[A,B] 4GIN[A] 4GO8[A,B] 4GO9[A,B] 4H2C[A] 4H7V[A,B] 4H8H[A,B] 4H8U[A,B] 4H8V[A,B] 4HA1[A,B]	31
palatinase / trehalulose hydrolase (MutA)	3.2.1.-		Burkholderia ubonensis subsp. mesacidophila MX-45	CAA02858.1 AAE36430.1 AAY69575.1 ACO05017.1 ACO05017.2	C1K2X6		31
sucrose isomerase (EsI)	5.4.99.11	pubmed	Enterobacter sp. FMB-1	ACF42098.1	B5ABD8		31
α-glucosidase (PalZ)	3.2.1.20		Erwinia rhapontici DSM 4484	AAK28739.1 CAC69267.1 CAC69279.1 CBF79203.1	Q9AI60		31
oligo-α-glucosidase / palatinase (PalQ)	3.2.1.10 3.2.1.-		Erwinia rhapontici DSM 4484	AAK28737.1 CAC69265.1 CAC69271.1 CBF79205.1	Q9AI62		31
isomaltulose synthase (PalI)	5.4.99.11		Erwinia rhapontici NX-5 / DSM 4484	AAK28735.1 AAY69569.1 ACW35803.1 ADJ56407.2 CAC69266.1 CAC69272.1 CAC69285.1 CAF32986.1 CAF32987.1	D9MPF2 Q9AI64	4HOW[A] 4HOX[A] 4HOZ[A] 4HP5[A] 4HPH[A]	31
isomaltulose synthase	5.4.99.11		Erwinia rhapontici WAC2928	AAP57084.1 ACR90553.1	Q6XNK5		31
α-glucosidase (EsOgl; Exig_1739)	3.2.1.20	pubmed	Exiguobacterium artemiae 255-15	ACB61191.1 CAZ78848.1	B1YHL8		31
α-glucosidase (Gsj)	3.2.1.20	doi	Geobacillus sp. HTA-462	BAE48285.1	Q33E90	2ZE0[A]	31
α-glucosidase / exo-α-1,4-glucosidase	3.2.1.20	pubmed	Geobacillus stearothermophilus ATCC12016	BAA12704.1 CBF79155.1	P94451		31
oligo-α-1,6-glucosidase (O16G; BHOG; BH2903)	3.2.1.10	pubmed	Halalkalibacterium halodurans C-125	BAB06622.1 NP_243769.1	Q9K8U9		31
oligo-α-1,6-glucosidase (MalL)	3.2.1.10	pubmed	Heyndrickxia coagulans ATCC7050	BAA11354.1	Q45101		31
isomaltulose synthase	5.4.99.11		Klebsiella planticola UQ14S	AAP57085.1 CBF79174.1	Q6XKX6		31
isomaltulose synthase (PalI)	5.4.99.11	pubmed	Klebsiella sp. LX3	AAK82938.1 CAF32992.1 CAF32993.1 CBF79192.1	Q8KR84	1M53[A]	31
sucrose isomerase (PalI)	5.4.99.11	doi	Klebsiella sp. NK33-98-8	AAM96902.1	Q4L2Q1		31
oligo-α-1,6-glucosidase (MalL; A6B36_09870)	3.2.1.10	pubmed	Lactiplantibacillus plantarum LL441	OEZ34869.1			31
oligo-α-1,6-glucosidase (LaGH13_31A; LBA0264)	3.2.1.10	pubmed	Lactobacillus acidophilus NCFM	AAV42157.1	Q5FMB7	4AIE[A]	31
α-1,4-glucosyltransferase (LaGH13_31B; MalL; LBA1872)	3.2.1.1 2.4.1.161	pubmed pubmed	Lactobacillus acidophilus NCFM	AAV43672.1 ACC31273.1 ACS07503.1 ACS09974.1	Q5FI02	6Y9T[A,B]	31
α-1,6-glucosidase (Lmo0184)	3.2.1.20		Listeria monocytogenes EGD-e	NP_463715.1 CAC98399.1 CAZ78714.1	Q8YAE6	5DO8[A,B,C]	31
isomaltulose synthase	5.4.99.11		Pantoea dispersa UQ68J	AAP57083.1	Q6XNK6		31
oligo-α-1,6-glucosidase (MalL)	3.2.1.10	pubmed	Parageobacillus thermoglucosidasius KP1006	BAA01368.1 CBF79249.1	P29094		31
sucrose isomerase (PCSI;SIase)	5.4.99.11		Pectobacterium carotovorum KKH 3-1	AGT14432.1	S5YEW8		31
sucrose isomerase (SmuA)	5.4.99.11		Serratia plymuthica / Protaminobacter rubrum CBS 574.77	CAF32988.1 AAE36427.1 AAY69568.1 AAY69572.1 ACW35802.1 ACW35805.1 CAF32985.1	D0VX20	3GBD[A] 3GBE[A]	31
sucrose isomerase (PalI; SerAS9_2261)	5.4.99.11	pubmed	Serratia plymuthica AS9	AEF45387.1 YP_004505648.1			31
sucrose isomerase / α-glucosyltransferase	2.4.1.- 5.4.99.11	doi doi	Serratia plymuthica ATCC 15928	CAF32996.1 CAF32990.1			31
α-1,4-glucosidase (MalA)	3.2.1.20	pubmed	Staphylococcus xylosus	CAA55409.1	Q60015		31
dextran α-1,6-glucosidase (DexB;SmDG)	3.2.1.70	pubmed	Streptococcus mutans ATCC 25175	BAE79634.1	Q2HWU5 Q99040	2ZIC[A] 2ZID[A]	31
dextran α-1,6-glucosidase (DexB)	3.2.1.70	pubmed	Streptococcus mutans INGBRITT	AAA26939.1	Q99040		31
Top

Last update: 2026-07-24 © Copyright 1998-2026
AFMB - CNRS - Université d'Aix-Marseille - INRAE