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Glycoside Hydrolase Family 13

Activities in Family[retaining] α-glucoside phosphorylase (EC 2.4.1.-);
[retaining] α-maltosyltransferase (EC 2.4.1.-);
[retaining] α-transglucosidase / α-glucosyltransferase (EC 2.4.1.-);
[retaining] acarviosyltransferase (EC 2.4.1.-);
α-1,6-maltooligosyltransferase (EC 2.4.1.-);
α-glucosyltransferase (EC 2.4.1.-);
Oligosaccharide α-4-glucosyltransferase (EC 2.4.1.161);
[retaining] α-1,4-glucan branching enzyme (EC 2.4.1.18);
[retaining] cyclomaltodextrin glucanotransferase (EC 2.4.1.19);
[retaining] 4-α-glucanotransferase / amylomaltase (EC 2.4.1.25);
[retaining] sucrose 6(F)-phosphate phosphorylase (EC 2.4.1.329);
Glucosylglycerate phosphorylase (EC 2.4.1.352);
[retaining] glucosylglycerol phosphorylase (EC 2.4.1.359);
[retaining] amylosucrase (EC 2.4.1.4);
[retaining] sucrose phosphorylase (EC 2.4.1.7);
α-1,4-glucan: phosphate α-maltosyltransferase (EC 2.4.99.16);
[retaining] cyclic α-1,6-maltosyl-maltose hydrolase (EC 3.2.1.-);
[retaining] maltopentaose-producing α-amylase (EC 3.2.1.-);
Palatinase (EC 3.2.1.-);
[retaining] α-amylase (EC 3.2.1.1);
[retaining] oligo-α-1,6-glucosidase (EC 3.2.1.10);
[retaining] maltotriose-producing α-amylase (EC 3.2.1.116);
[retaining] maltogenic α-amylase (EC 3.2.1.133);
[retaining] neopullulanase (EC 3.2.1.135);
[retaining] maltooligosyltrehalose trehalohydrolase (EC 3.2.1.141);
α-glucosidase (EC 3.2.1.20);
α,α-trehalase (EC 3.2.1.28);
[retaining] pullulanase (EC 3.2.1.41);
[retaining] sucrose α-glucosidase (EC 3.2.1.48);
[retaining] cyclomaltodextrinase (EC 3.2.1.54);
[retaining] maltotetraose-producing α-amylase (EC 3.2.1.60);
Isoamylase (EC 3.2.1.68);
Glucodextranase (EC 3.2.1.70);
[retaining] a,α-trehalose-6-phosphate hydrolase (EC 3.2.1.93);
[retaining] maltohexaose-producing α-amylase (EC 3.2.1.98);
[retaining] isomaltulose synthase / sucrose isomerase / sucrose glucosylmutase (EC 5.4.99.11);
Malto-oligosyltrehalose synthase (EC 5.4.99.15);
Trehalose synthase / maltose glucosylmutase (EC 5.4.99.16);
Mechanism Retaining a
ClanGH-H
3D Structure Status( β / α ) 8 barrel
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 (176406); Uniprot accession (956); PDB accession (656); 3D entries (161); cryst (2)
Summary
Download GH13 (179264) Taxonomic display Structure (161 - 2 cryst) Characterized (815)
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
Bacteria
Protein Name EC#ReferenceOrganismGenBank UniprotPDB/3D Subf
 exo-acting α-amylase (BmaN1) 3.2.1.133 pubmed
 Priestia megaterium NL3 AGT45938.1 T1SIF2   45
 trehalose synthase (TreS) 5.4.99.16   Propionibacterium freudenreichii subsp. shermanii NIZO B365 ABC88240.1
AAV63798.1		 A1XGB1
A4FTT7		   16
 sucrose isomerase (SmuA) 5.4.99.11   Protaminobacter rubrum CBS 547.77 CAF32988.1
AAE36427.1
AAY69568.1
AAY69572.1
ACW35802.1
ACW35805.1
CAF32985.1		 D0VX20 3GBD[A]
3GBE[A] 		31
 amylosucrase (AcAS;Achl_3605) 2.4.1.4 pubmed
 Pseudarthrobacter chlorophenolicus A6 ACL41561.1 B8H6N5   4
 α-amylase 3.2.1.1 URL
 Pseudoalteromonas haloplanktis ANT/505 AAO72321.1 Q84CG0   32
 α-amylase (Amy;AHA) 3.2.1.1 pubmed
 Pseudoalteromonas haloplanktis TAB23 / A23 CAA41481.1 P29957 1AQH[A]
1AQM[A]
1B0I[A]
1G94[A]
1G9H[A]
1JD7[A]
1JD9[A]
1KXH[A]
1L0P[A]
8CQF[A]
8CQG[A] 		32
 psychrophilic α-amylase 3.2.1.1 pubmed
 Pseudoalteromonas sp. 2-3 AHM24948.1 W8SKF6   46
 α-glucosidase 2 (Pagl) 3.2.1.20 pubmed
 Pseudoalteromonas sp. K8 ALG65125.1     23
 α-amylase (Amy175) 3.2.1.1 pubmed
 Pseudoalteromonas sp. M175 AGC81924.3
AGC81924.1
AGC81924.2		     36
 trehalose-6-phosphate hydrolase (TreA) 3.2.1.93   Pseudomonas fluorescens ATCC 17400 AAG31032.1 Q9F8X2   29
 isoamylase (Iam) 3.2.1.68 pubmed
 Pseudomonas sp. AAA25855.1
AAQ71617.1
AAQ71618.1
CAA00929.1		 P26501   11
 α-amylase (AmyP) 3.2.1.1   Pseudomonas sp. 7193 CAM98700.1 A5CVD5  
 isoamylase (Iam; IsoA; ISO) 3.2.1.68 doi
 Pseudomonas sp. amyloderamosa SB-15 AAA25854.1
CAA31754.1		 P10342 1BF2[A] 11
 α-amylase 1 (Amy1) (alkaline resistant) 3.2.1.1 URL
 Pseudomonas sp. KFCC10818 AAA86836.1 Q52414   27
 α-amylase 2 (Amy2) 3.2.1.1 doi
 Pseudomonas sp. KFCC10818 AAA86835.1 Q52413   32
 α-amylase 4 (Amy4) 3.2.1.1   Pseudomonas sp. KFCC10818 AAK17994.1 Q9AGG4   32
 α-amylase 3 (Amy3) 3.2.1.1   Pseudomonas sp. KFCC10818 AAK17993.1 Q9AGG5   27
 maltopentaose-forming α-amylase (frameshift) 3.2.1.- pubmed
 Pseudomonas sp. KO-8940 BAA01600.1 Q52516  
 pullulanase 3.2.1.41 URL
 Pullulanibacillus naganoensis AAQ80298.1
AAQ80294.1
AAQ80299.1
AAQ80300.1
AEV53626.1		 G9JLV4   14
 α-glucosidase (QsGH13) 3.2.1.20 pubmed
 Qipengyuania seohaensis SW-135 WP_232725784.1   7VOH[A,B] 23
 pullulanase (PulA;HMPREF9690_00740) 3.2.1.41 pubmed
 Raoultella ornithinolytica 10-5246 EHT13411.1   2YOC[A,B] 13
 isomaltulose synthase 5.4.99.11   Raoultella planticola UQ14S AAP57085.1
CBF79174.1		 Q6XKX6   31
 trehalose synthase (TreS;ROP_61000) 5.4.99.16 pubmed
 Rhodococcus opacus B4 BAH54347.1 C1AZS6   16
 isoamylase 3.2.1.68   Rhodothermus marinus AAN89211.1
AAE45696.1
AAE45700.1
AAN89215.1		     11
 branching enzyme (GlgB;RoBE) 2.4.1.18   Rhodothermus marinus JCM9785 BAB69858.1
AAR45540.1		 Q93HU3 6JOY[A] 9
 sucrose phosphorylase 2.4.1.7 doi
 Roseateles saccharophilus IAM 14368 AAD40317.1 Q9XBR0   18
 maltotetraose-forming amylase (MTA;PSA) 3.2.1.60 pubmed
 Roseateles saccharophilus IAM1504 CAA34708.1
ABN31435.1
ABN31436.1
ABN31437.1
ABN31438.1
ABN31439.1
ABN31440.1
ABN31441.1
ABN31443.1		 P22963 6IWK[A]
6IYG[A]
6J3X[A]
6JQB[A]
 α-amylase (AmyB) (Amy13A) 3.2.1.1   Roseburia sp. A2-194 CAJ20070.1 Q3LB10   41
 α-amylase (BaqA) 3.2.1.1   Rossellomorea aquimaris MKSC 6.2 AER68125.1 G8IJA7   45
 α-amylase (RBL263_00780; Amy5) 3.2.1.1 pubmed
 Ruminococcus bromii L2-63 SPE91476.1
CBL15129.1		 A0A2N0UXJ4
D4L684		 7JJT[A] 36
 pullulanase (RBR_10980;Amy10) 3.2.1.41 pubmed
 Ruminococcus bromii L2-63 CBL15393.1 D4L6Z8   14
 pullulanase (RBR_13560;Amy12) 3.2.1.41 pubmed
 Ruminococcus bromii L2-63 CBL15610.1 A0A2N0UU23
D4L7L5		 7LSA[A]
7LSR[A]
7LST[A]
7LSU[A] 		14
 α-glucosidase activity on pNP-α-D-maltopyranoside (Sde_0556) (Amy13A) 3.2.1.20 pubmed
 Saccharophagus degradans 2-40 ABD79820.1 Q21NA9   38
 sucrose isomerase / α-glucosyltransferase 5.4.99.11
2.4.1.-		 doi
doi
 Serratia plymuthica ATCC 15928 CAF32996.1
CAF32990.1		     31
 maltogenic α-amylase (Mag1;BleG1_0772) 3.2.1.54 pubmed
 Shouchella lehensis G1 AHW51935.1
AIC93380.1		 X5CPN2   20
 glucosylglycerate phosphorylase (GGaP; Spith_0877) 2.4.1.352 pubmed
 Spirochaeta thermophila DSM 6578 AEJ61152.1 G0GBS4   18
 α-1,4-glucosidase (MalA) 3.2.1.20 pubmed
 Staphylococcus xylosus CAA55409.1 Q60015   31
 pullulanase type I (Sap;BibA;SAG1216;SAG_1216) 3.2.1.41   Streptococcus agalactiae 2603V/R AAN00098.1
NP_688225.1		 Q8DZ94   12
 α-amylase I (AmyA;Amy I) 3.2.1.1 pubmed
 Streptococcus equinus 148 BAA24177.1 O50582   28
 α-amylase II (Amy II) 3.2.1.1   Streptococcus equinus 148 BAA24178.1 O50583   5
 α-amylase 3.2.1.1   Streptococcus equinus JB1 AAA97431.1 Q53786   5
 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
 sucrose phosphorylase (GftA;SmSP) 2.4.1.7   Streptococcus mutans INGBRITT / GS5 CAA30846.1
AAA26937.1		 P10249   18
 α-amylase (intracellular) (Amy) 3.2.1.1   Streptococcus mutans LT11 AAC35010.1 O68875   5
 sucrose phosphorylase (GtfA;SMU.881) 2.4.1.7 doi
 Streptococcus mutans UA159 AAN58596.1
NP_721290.1		 P10249   18
 α-amylase (AmyA;SMU.1590) 3.2.1.1   Streptococcus mutans UA159 AAN59233.1
NP_721927.1		 Q8DT08   5
 pullulanase (SpuA) 3.2.1.41   Streptococcus pneumoniae 3.B AAG33958.1 Q9F930   12
 glycogen-degrading enzyme (SpuA;PulA;SP0268) 3.2.1.68 pubmed
 Streptococcus pneumoniae TIGR4 AAK74446.1
AAQ38066.1
AAT16713.1
AAY71712.1
ABA33035.1
ACK14503.1
ACW45222.1
NP_344806.1		 A0A0H2UNG0
Q97SQ7		 2YA0[A]
2YA1[A]
2YA2[A] 		12
 MGAS10750_Spy1875 (DexS) 3.2.1.93   Streptococcus pyogenes MGAS10750 ABF38825.1 Q1J4B1   29
 cyclomaltodextrin glucanotransferase (AmyA;M5005_Spy_1065) 2.4.1.19   Streptococcus pyogenes MGAS5005 AAZ51683.1     2
 Spy49_1626c (PulA) 3.2.1.41   Streptococcus pyogenes NZ131 ACI61883.1
CAD32942.1		 A0A0H3C2B1
B5XIM1
Q8KLP1		   12
 bifunctional amylopullulanase (ApuA;SSU1849) 3.2.1.1 pubmed
 Streptococcus suis P1/7 CAR47543.1 C5VVZ9   41
 bifunctional amylopullulanase (ApuA;SSU1849) 3.2.1.41 pubmed
 Streptococcus suis P1/7 CAR47543.1 C5VVZ9   12
 α-amylase 3.2.1.1   Streptomyces albus AAA96317.1 Q53633   32
 α-amylase (SAV5981) 3.2.1.1   Streptomyces avermitilis MA-4680 = NBRC 14893 BAC73693.1
NP_827158.1		 Q82AS5   32
 α-1,4-glucan: phosphate α-maltosyltransferase I (GlgE;SCO5443;SC6A11.19C) 2.4.99.16 pubmed
 Streptomyces coelicolor A3(2) CAB72419.1
CAA04600.1
NP_629581.1		 Q9L1K2 3ZSS[A,B,C,D]
3ZST[A,B]
3ZT5[A,B,C,D]
3ZT6[A,B,C,D]
3ZT7[A,B,C,D]
4CN1[A,B]
4CN4[A,B]
4CN6[A,B]
4U2Y[A,B]
4U2Z[A,B]
4U31[A,B]
5CVS[A,B]
5LGV[A,B]
5LGW[A,B]
5VSJ[A,B]
5VT4[A,B,C,D]
7MEL[A,B]
7MGY[A,B]
7UVD[A,B]
8D6K[A,B] 		3
 branching enzyme I (GlgBI;SC6A11.16c;SCO5440) 2.4.1.18   Streptomyces coelicolor A3(2) CAA58314.1
CAB72416.1
NP_629578.1		 Q59833   9
 branching enzyme II (GlgBII;SC4G10.11c;SCO7332) 2.4.1.18   Streptomyces coelicolor A3(2) CAB92878.1
CAA52109.1
NP_631386.1		 Q59832   9
 α-amylase (Amy) 3.2.1.1   Streptomyces griseus IMRU3570 CAA40798.1 P30270   32
 α-amylase 3.2.1.1   Streptomyces hygroscopicus AAA26698.1 P08486   32
 α-amylase (Aml) 3.2.1.1   Streptomyces limosus ATCC 19778 AAA88554.1 P09794   32
 α-amylase (Aml;AmlA) 3.2.1.1   Streptomyces lividans TK21 CAA73926.1 O86876   32
 α-amylase (AmlB) 3.2.1.1 pubmed
 Streptomyces lividans TK24 CAB06622.1 P97179   32
 α-amylase (Amy; AmlA) 3.2.1.1 pubmed
 Streptomyces lividans TK24 CAA49759.1 Q05884  
 α-amylase (AmlC) 3.2.1.1 pubmed
 Streptomyces lividans TK24 CAB06816.1 P96992   42
 α-amylase 3.2.1.1   Streptomyces sp. TO1 CAA73775.1 O65947   32
 α-amylase (Amy) 3.2.1.1   Streptomyces sp. WL6 AAA82875.1 Q59964   32
 α-amylase 3.2.1.1   Streptomyces thermoviolaceus CUB74 AAA26697.1 P27350   32
 SVEN_5096 (TreS) 5.4.99.16 pubmed
 Streptomyces venezuelae ATCC 10712 CCA58382.1
QES01365.1		 F2R410   16
 SVEN_5097 (GlgE) 2.4.99.16 pubmed
 Streptomyces venezuelae ATCC 10712 CCA58383.1
QES01366.1		 F2R411   3
 α-amylase (Aml) 3.2.1.1 pubmed
 Streptomyces venezuelae ATCC 15068 AAB36561.1
QES22595.1		 A0A5P2AWP4
P22998		   32
 glycogen debranching enzyme (GlgX; AQF52_6078) 3.2.1.68 pubmed
 Streptomyces venezuelae ATCC 15439 ALO11671.1   7U39[A,B,C,D,E,F,G,H,I,J,K,L]
7U3A[A,B,C,D]
7U3B[A,B,C,D,E,F,G,H]
7U3D[A,B,C,D] 		11
 trehalose synthase (TreS) 5.4.99.16   Stutzerimonas stutzeri CJ38 AAF26837.1
AAW06912.1		 Q9LAS5   33
 maltotetraose-forming amylase (AmyP) 3.2.1.60 pubmed
 Stutzerimonas stutzeri MO-19 AAA25707.1
ABN31444.1
ABN31445.1
ABN31446.1
ABN31447.1
ABN31448.1
ABN31449.1
ABN31450.1
ABN31451.1
ABN31452.1		 P13507
Q6LDL4		 1AMG[nd]
1GCY[A]
1JDA[A]
1JDC[A]
1JDD[A]
1QI3[A]
1QI4[A]
1QI5[A]
1QPK[A]
2AMG[A]
 α-amylase 3.2.1.1 pubmed
 Sutcliffiella halmapala CAD26699.1
AAE12377.1
AAE59724.1
AAE59730.1
AAE62346.1
AAE62352.1
AAP02208.1
AAP02214.1
AAS26288.1
AAS26294.1
AAY06017.1
AAY72170.1
AAY72176.1
ACK07341.1
ACP75066.1
ACS10037.1
ACW26901.1
CAC88548.1
CAD19032.1
CAD20675.1
CAD67514.1		   1W9X[A]
2GJP[A]
2GJR[A] 		5
 isoamylase (GlgX;Synpcc7942_0086) 3.2.1.68   Synechococcus elongatus PCC 7942 = FACHB-805 ABB56118.1 Q31S51   11
 α-1,4-glucan branching enzyme (ScoBE;Synpcc7942_1085) 2.4.1.18 doi
 Synechococcus elongatus PCC 7942 = FACHB-805 ABB57115.1 P16954   9
 α-amylase (AmyTV1;AmyE) 3.2.1.1   Thermoactinomyces vulgaris K94 CAA49465.1
CAZ78876.1		 Q60051  
 α-amylase I (TVA I) 3.2.1.1   Thermoactinomyces vulgaris R-47 BAA02471.1
CAY02971.1
CAZ78902.1		 Q60053 1IZJ[A]
1IZK[A]
1JI1[A,B]
1UH2[A]
1UH3[A]
1UH4[A]
2D0F[A]
2D0G[A]
2D0H[A]
5Z0T[A,B]
5Z0U[A] 		21
 cyclomaltodextrinase / neopullulanase (TVA II;TvCMD) 3.2.1.135
3.2.1.54		   Thermoactinomyces vulgaris R-47 BAA02473.1
BAA97040.1
BAB40638.1
CAY02972.1
CAZ78903.1		 Q08751
Q7DI93		 1BVZ[A,B]
1G1Y[A,B]
1JF5[A,B]
1JF6[A,B]
1JI2[A,B]
1JIB[A,B]
1JL8[A,B]
1VB9[A,B]
1VFK[A,B]
1VFM[A,B]
1VFO[A,B]
1VFU[A,B]
1WZK[A,B]
1WZL[A,B]
1WZM[A,B]
2D2O[A,B]
3A6O[A,B] 		20
 cyclodextrinase (CDase) 3.2.1.54 pubmed
 Thermoanaerobacter ethanolicus ATCC 33223 / 39E AAA23219.1
CAY02970.1
CAZ78899.1		 P29964   20
 amylase-pullulanase (Apu;Apu-Te;TrAPU;Teth39_2173) 3.2.1.1
3.2.1.41		 pubmed
pubmed
 Thermoanaerobacter pseudethanolicus ATCC 33223 ABY95795.1
AAA23201.1
AAV00812.1		 P38939
P38939		   39
 α-cyclodextrin glucanotransferase (Cgt) 2.4.1.19   Thermoanaerobacter sp. 5K AJE25826.1 A0A0C4WYD9   2
 a/β-cyclodextrin glucanotransferase 2.4.1.19   Thermoanaerobacter sp. ATCC 53627 CAJ84380.1     2
 a/β-cyclodextrin glucanotransferase (Cgt) 2.4.1.19   Thermoanaerobacter sp. P4 AJE25827.1 A0A0C4WMI5   2
 amylase-pullulanase (Apu) 3.2.1.1
3.2.1.41		   Thermoanaerobacter thermohydrosulfuricus AAA23205.1
CAZ78897.1		 P16950   39
 amylase-pullulanase (Apu;Apu-Ts) 3.2.1.1
3.2.1.41		   Thermoanaerobacterium saccharolyticum B6A-RI AAA19800.1 P36905   39
 amylopullulanase (Apu;Apu-Ts) (partial) 3.2.1.1
3.2.1.41		   Thermoanaerobacterium saccharolyticum NTOU1 ACR15165.1 C5IGQ7   39
 sucrose 6(F)-phosphate phosphorylase (SPP; TtSPP; Tthe_1921) 2.4.1.329 pubmed
 Thermoanaerobacterium thermosaccharolyticum DSM 571 ADL69407.1 D9TT09 6S9V[A,B] 18
 amylase-pullulanase (AmyB) 3.2.1.1
3.2.1.41		   Thermoanaerobacterium thermosulfurigenes EM1 AAB00841.1 P38536   39
 a/β-cyclodextrin glucanotransferase (AmyA) 2.4.1.19 pubmed
 Thermoanaerobacterium thermosulfurigenes EM1 AAB00845.1 P26827 1A47[A]
1CIU[A]
3BMV[A]
3BMW[A] 		2
 trehalose synthase (TreS; TtTS; Tter_0330) 5.4.99.16 pubmed
 Thermobaculum terrenum ATCC BAA-798 ACZ41252.1 D1CE96 5X7U[A] 16
 maltotriose-producing α-amylase (Tfa;Amy13) 3.2.1.1
3.2.1.116		   Thermobifida fusca NTU22 ABF13430.1 Q1KLC8   32
 trehalose synthase (TreS;Tfu_0584) 5.4.99.16   Thermobifida fusca YX AAZ54622.1
CAZ78814.1
CBF79133.1		 Q47SE5   16
 isoamylase (Tfu_1891) 3.2.1.68   Thermobifida fusca YX AAZ55924.1 Q47NP5   11
 α-amylase (Tam) 3.2.1.1   Thermomonospora curvata CAA41881.1 P29750   32
 α-glucosidase / exo-α-1,4-glucosidase (AglA) 3.2.1.20 pubmed
 Thermomonospora curvata AAA57313.1 Q60027   30
 4-α-glucanotransferase (Mgt;TM0364) 2.4.1.25   Thermotoga maritima MSB8 CAA90693.1
AAD35451.1
AGL49287.1
AHD17874.1
AKE28162.1
NP_228175.1		 G4FHS6
P80099
Q60035		 1LWH[A,B]
1LWJ[A,B]
 4-α-glucanotransferase / maltosyltransferase (MTase;TM0767) 2.4.1.25
2.4.1.-		   Thermotoga maritima MSB8 AAD35849.1
AGL49693.1
AHD17478.1
AKE28548.1
CAA04525.1
NP_228576.1		 G4FD56
O33838
Q9S5X2		 1GJU[A]
1GJW[A]
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