Glycoside Hydrolase Family 13

Activities in Familyα-amylase (EC 3.2.1.1); pullulanase (EC 3.2.1.41); cyclomaltodextrin glucanotransferase (EC 2.4.1.19); cyclomaltodextrinase (EC 3.2.1.54); trehalose-6-phosphate hydrolase (EC 3.2.1.93); oligo-α-glucosidase (EC 3.2.1.10); maltogenic amylase (EC 3.2.1.133); neopullulanase (EC 3.2.1.135); α-glucosidase (EC 3.2.1.20); maltotetraose-forming α-amylase (EC 3.2.1.60); isoamylase (EC 3.2.1.68); glucodextranase (EC 3.2.1.70); maltohexaose-forming α-amylase (EC 3.2.1.98); maltotriose-forming α-amylase (EC 3.2.1.116); branching enzyme (EC 2.4.1.18); trehalose synthase (EC 5.4.99.16); 4-α-glucanotransferase (EC 2.4.1.25); maltopentaose-forming α-amylase (EC 3.2.1.-) ; amylosucrase (EC 2.4.1.4) ; sucrose phosphorylase (EC 2.4.1.7); malto-oligosyltrehalose trehalohydrolase (EC 3.2.1.141); isomaltulose synthase (EC 5.4.99.11); malto-oligosyltrehalose synthase (EC 5.4.99.15); amylo-α-1,6-glucosidase (EC 3.2.1.33); α-1,4-glucan: phosphate α-maltosyltransferase (EC 2.4.99.16); 6'-P-sucrose phosphorylase (EC 2.4.1.-); amino acid transporter
Mechanism Retaining
ClanGH-H
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 (68328); Uniprot accession (7872); PDB accession (490); 3D entries (115); cryst (2)
All (63431) Archaea (396) Bacteria (59570) Eukaryota (3339) unclassified (126) Structure (115 - 2 cryst) Characterized (815)
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | ... | 34 |
Eukaryota
Protein Name EC#OrganismGenBank UniprotPDB/3D Subf
 α-amylase, partial (fragment)   Anastrepha sororcula AVO65485.1     15
 α-amylase, partial (fragment)   Anastrepha sororcula AVO65447.1     15
 α-amylase (Amy) (fragment)   Anatalanta aptera AAY88824.1 Q3SCC4   15
 α-amylase (Amy) 3.2.1.1 Anguilla japonica BAB85635.1 Q8QGW2   24
 α-amylase   Anisakis simplex APP18134.1    
 glycogen-debranching enzyme (AgL)   Anisakis simplex APP18135.1     25
 1,4-α-glucan branching enzyme (GbE)   Anisakis simplex APP18136.1     8
 α-amylase (Aamy1) 3.2.1.20 Anopheles albimanus ADD81256.1 D4N3A2   17
 salivary ORF (fragment)   Anopheles darlingi ACI30109.1 B6DDW2  
 salivary ORF (fragment)   Anopheles darlingi ACI30110.1 B6DDW3   17
 salivary ORF (fragment)   Anopheles darlingi ACI30111.1 B6DDW4  
 salivary ORF (fragment)   Anopheles darlingi ACI30112.1 B6DDW5  
 salivary ORF (fragment)   Anopheles darlingi ACI30114.1 B6DDW7  
 salivary maltase   Anopheles darlingi ACI30102.1 B7T4S1   17
 salivary maltase (fragment)   Anopheles funestus ABI83755.1 Q06DJ2  
 amylase (fragment)   Anopheles gambiae AAL68692.1 Q8WQZ0  
 α-amylase (Amy)   Anopheles gambiae AAA29357.1 Q17023   15
 α-glucosidase (fragment)   Anopheles gambiae G3 CAA93821.1 Q17032  
 α-glucosidase (Agm1) 3.2.1.20 Anopheles gambiae G3 CAA60857.1 Q17021   17
 α-glucosidase (Agm2) 3.2.1.20 Anopheles gambiae G3 CAA60858.1
CBF79157.1
Q17022   17
 α-glucosidase / binding-toxin receptor (Agm3;AgAgm3) 3.2.1.20 Anopheles gambiae G3 ABW98683.1 A9YDV2   17
 unnamed protein product   Anopheles gambiae str. PEST CAZ78774.1     17
 unnamed protein product (fragment)   Anopheles gambiae str. PEST CAZ78775.1     17
 α-amylase 3.2.1.1 Anopheles merus AAA03323.1 Q17059   15
 alpha amylase 2 (Amy2)   Anoplarchus purpurescens AMQ67314.1     24
 α-amylase (fragment)   Anoplarchus purpurescens ABJ97443.1 A0FCQ4   24
 α-amylase   Antheraea pernyi Shenhuang No.2 AJR29308.1     17
 α-amylase (Amylag1) 3.2.1.1 Anthonomus grandis AAN77138.1
AOG18226.1
Q8I9K6   15
 α-amylase (Amylag2) 3.2.1.1 Anthonomus grandis AAN77139.1 Q8I9K5   15
 ACCB10398   Apis cerana AEY60887.1     15
 ACCB00300.1   Apis cerana AEY57597.1     8
 α-glucosidase (Hbg2) (fragment)   Apis cerana cerana ABR24827.1 A6NAF4   17
 α-glucosidase II   Apis cerana indica AFR59339.1     17
 α-glucosidase I   Apis cerana indica AGE11865.1     17
 α-glucosidase 3.2.1.20 Apis cerana indica ABO27432.1 A4GVI6   17
 sucrase / α-glucosidase II (JBgII;HBGaseII) 3.2.1.20
3.2.1.-
Apis cerana japonica ACN63343.1 C0LQJ2   17
 α-glucosidase III (JBgIII)   Apis cerana japonica ACQ45697.1 C3VPV8   17
 α-glucosidase I (JBgI) 3.2.1.20 Apis cerana japonica BAF44218.1 A1IHL0   17
 α-glucosidase III 3.2.1.20 Apis dorsata ADB11049.1 D2XNP9   17
 α-glucosidase III (Hbg3;HBG-III;Loc406131) 3.2.1.20 Apis mellifera BAA11466.1
BAE86928.1
CBF79234.1
NP_001011608.1
XP_392790.1
Q17058 cryst 17
 α-glucosidase I (Hbg1;HBG-I;Loc409889) 3.2.1.20 Apis mellifera BAE86926.1
XP_393379.2
Q25BT8   17
 α-glucosidase II (Hbg2;HBG-II;Loc411257) 3.2.1.20 Apis mellifera BAE86927.1
CBF79049.1
XP_394730.1
Q25BT7   17
 α-amylase (LOC406114)   Apis mellifera mellifera AAM20738.1
XP_391983.1
Q8N0N7   15
 pullulanase / isoamylase (Lda;AtPU1;AtLDA;LDA1;At5g04360) 3.2.1.41
3.2.1.68
Arabidopsis thaliana AAO00771.1
AED90732.1
ANM68325.1
NP_196056.1
Q8GTR4   13
 branching-enzyme 2 (BE2;Sbe2-1;Sbe2.1;At2g36390) 2.4.1.18 Arabidopsis thaliana AAD24644.1
AAB03099.1
AAM97077.1
ABC04873.1
AEC09247.1
BAE98973.1
CAA04134.1
NP_181180.1
O23647
Q42526
  8
 branching-enzyme 3 (BE3;sbe2-2;sbe2.2;At5g03650) 2.4.1.18 Arabidopsis thaliana CAB82930.1
AAB03100.1
ABC04874.1
AED90637.1
BAC42378.1
NP_195985.1
Q42531
Q8GYC4
Q9LZS3
  8
 α-amylase (AtAmy1;At4g25000) (apoplast) 3.2.1.1 Arabidopsis thaliana CAB36742.1
AAL38709.1
AAM51369.1
AAM64582.1
AEE84990.1
CAB79409.1
NP_567714.1
Q8LBS5
Q8VZ56
Q9SW26
  6
 At1g03310 (chloroplastic isoamylase 2;AtISA2;Iso1 subunit;DBE1) 3.2.1.68 Arabidopsis thaliana AAC72113.1
AAM98123.1
AEE27557.1
AEE27558.1
NP_171830.1
Q8L735
Q9ZVT2
  11
 At2g39930 (chloroplastic isoamylase 2;AtISA1;Iso1 subunit) 3.2.1.68 Arabidopsis thaliana AAB95278.1
AAN17420.1
AAQ56791.1
AEC09752.1
ANM62439.1
ANM62440.1
NP_181522.1
O04196   11
 α-amylase (AMY3;AtAMY3;At1g69830)   Arabidopsis thaliana AAK91414.1
AAF07390.1
AAG52558.1
AAN18209.1
AEE34983.1
CAW95489.1
CAX01331.1
CAX06576.1
CAX06907.1
CBD14444.1
NP_564977.1
Q94A41
Q9CAR6
  6
 At1g76130 (AtAMY2)   Arabidopsis thaliana AAM61434.1
AAF17626.1
ABF58978.1
AEE35800.1
ANM61100.1
BAD94995.1
NP_177740.1
Q8LFG1
Q9SGS0
  6
 chloroplastic isoamylase 3 (Isa3;AtISA3;At4g09020) 3.2.1.68 Arabidopsis thaliana CAB78026.1
AAM13879.1
AAM91673.1
AEE82713.1
BAE99109.1
NP_192641.1
Q8RWW6
Q9M0S5
  11
 branching-enzyme 1 (Be1;AtSBEIII;At3g20440) (AtBEI) 2.4.1.18 Arabidopsis thaliana BAC43378.1
ADB29066.1
AEE76378.1
AEE76379.1
AEE76380.1
BAB02827.1
NP_188679.1
D2WL32
Q8GWK4
Q9LTP8
  8
 1,4-α-glucan starch branching enzyme (fragment)   Artemia franciscana ABK91832.1 A1DU42  
 EGX51283.1   Arthrobotrys oligospora ATCC 24927 EGX51283.1     8
 EGX51015.1   Arthrobotrys oligospora ATCC 24927 EGX51015.1     25
 EGX47164.1   Arthrobotrys oligospora ATCC 24927 EGX47164.1     40
 EGX46868.1   Arthrobotrys oligospora ATCC 24927 EGX46868.1     5
 EGX42980.1   Arthrobotrys oligospora ATCC 24927 EGX42980.1    
 EGX45627.1   Arthrobotrys oligospora ATCC 24927 EGX45627.1     40
 starch branching enzyme I, partial (chloroplast) (SbeI) (fragment)   Aruncus dioicus AGV77133.1     8
 ORF   Ascaris suum ADY42683.1    
 ORF   Ascaris suum ADY43063.1    
 ORF   Ascaris suum ADY40437.1     25
 ORF   Ascaris suum ADY41344.1     8
 ORF (fragment)   Ascaris suum ADY47160.1    
 ORF (fragment)   Ascaris suum ADY48117.1    
 α-amylase (AmyAa) (fragment)   Aspergillus affinis ATCC MYA-4773 AFU52692.1     1
 α-amylase (Amyl III) 3.2.1.1 Aspergillus awamori KT-11 BAD06003.1
BAD06005.1
Q76L96   1
 α-amylase (Amyl I) 3.2.1.1 Aspergillus awamori KT-11 BAD06002.1 Q76L99   1
 alpha amylase   Aspergillus flavus APT42869.1     1
 alpha amylase   Aspergillus flavus APT42868.1     1
 α-amylase (Amy1;TAA) 3.2.1.1 Aspergillus flavus AAF14264.1
AAS89853.1
AAS89854.1
AAS89855.1
AAS89856.1
AAS89857.1
AAS89858.1
AAS89859.1
AAS89860.1
AAS89861.1
AAS89862.1
AAS89863.1
AAS89864.1
AAS89865.1
AAS89866.1
AAS89867.1
AAS89868.1
AAS89869.1
AAS89870.1
AAS89871.1
AAS89872.1
AAS89873.1
AAS89874.1
AAS89875.1
AAS89876.1
AAS89877.1
AAS89878.1
AAS89879.1
AAS89880.1
AAS89881.1
AAS89882.1
AAS89883.1
AAS89884.1
AAS89885.1
AAS89886.1
AAS89887.1
AAS89888.1
AAS89889.1
AAS89890.1
AAS89891.1
AAS89892.1
Q7LV45
Q96TH4
  1
 α-1,3-glucan synthase (Ags1) 2.4.1.183 Aspergillus fumigatus AAL28129.1 Q96UQ6   22
 Ags2   Aspergillus fumigatus AAL18964.1 Q96UR0   22
 α-1,3-glucan synthase (AGS3;Afu1g15440) 2.4.1.183 Aspergillus fumigatus Af293 EAL90874.1 Q4WRQ8   22
 Afu4g10130   Aspergillus fumigatus Af293 XP_751813.1 Q4WPQ9   1
 α-amylase (AmyA) 3.2.1.1 Aspergillus kawachii IFO 4308 BAD01051.1 Q76CT3   1
 α-amylase (AsaA) 3.2.1.1 Aspergillus kawachii IFO 4308 BAA22993.1
CAX51628.1
O13296   1
 AKAW_01659   Aspergillus kawachii IFO 4308 GAA83544.1     25
 glycogen branching enzyme (fragment)   Aspergillus nidulans BAA34132.1 O93797  
 be1   Aspergillus nidulans BAA78714.1 Q9Y8H3   8
 α-1,3-glucan synthase (AgsA;AN5885;ANID5885) 2.4.1.183 Aspergillus nidulans FGSC A4 EAA58394.1 C8UZW7
Q5B0P5
  22
 AN4507.2 (AmyC) (fragment)   Aspergillus nidulans FGSC A4 EAA60850.1 C8V8C6
Q5B4M3
  1
 AN2314.2   Aspergillus nidulans FGSC A4 EAA64425.1 Q9Y8H3   8
 AN10420.3 (AgdF)   Aspergillus nidulans FGSC A4 CBF75992.1
EAA59077.1
    40
 AN3308.2 (AmyD)   Aspergillus nidulans FGSC A4 EAA63276.1 C8VHZ3
Q5B822
  1
 AN6324.2 (AmyE)   Aspergillus nidulans FGSC A4 EAA58708.1 C8V166
Q5AZF6
  1
 AN0352.2   Aspergillus nidulans FGSC A4 EAA65758.1 Q5BGH8   25
 AN4843.2 (AgdG)   Aspergillus nidulans FGSC A4 EAA60078.1
ABF50870.1
CBF79054.1
C8VA79
Q5B3N7
  40
 AN3388.2 (AmyF)   Aspergillus nidulans FGSC A4 EAA63356.1 C8VHN4
Q5B7U2
  1
 α-1,3-glucan synthase (AgsB;AN3307;ANID3307) 2.4.1.183 Aspergillus nidulans FGSC A4 EAA63275.1 C8VHZ4
Q5B823
  22
 AN3309.2 (AmyG)   Aspergillus nidulans FGSC A4 EAA63277.1 C8VHZ2
Q5B821
  5
 α-amylase (AmyA;AN2018.2) 3.2.1.1 Aspergillus nidulans FGSC A4 EAA64850.1
AAF17103.1
C8VLE6
G5EB45
  1
 α-amylase (AmyB;AN3402.2) 3.2.1.1 Aspergillus nidulans FGSC A4 AAF17100.1
EAA63370.1
C8VHL8
G5EAT0
Q9UV09
  1
 ANIA_10060   Aspergillus nidulans FGSC A4 CBF89663.1     25
 α-amylase, partial   Aspergillus niger AMX73966.1     1
 α-amylase (partial) 3.2.1.1 Aspergillus niger   P56271 2AAA[A] 1
 α-amylase A / B (AmyA;AmyB;An05g02100) 3.2.1.1 Aspergillus niger CBS 513.88 CAK44871.1
CAK46324.1
CAL33800.1
A2QL05
A2QL05
2GUY[A]
2GVY[A,B]
1
 acid α-amylase (AamA;An11g03340) 3.2.1.1 Aspergillus niger CBS 513.88 CAL15439.1
A35282
ADX42122.1
CAK48325.1
CAO78410.1
CAX51630.1
A2QW02   1
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