Activities in Sub Family	[retaining] α-1,4-glucan branching enzyme (EC 2.4.1.18);
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; HOMSTRAD; PDB Molecule of the Month; PRINTS;
Commercial Enzyme Provider(s)	MEGAZYME; PROZOMIX;
Statistics	GenBank accession (3); Uniprot accession (32); PDB accession (26); 3D entries (6); cryst (0)

Bacteria
Protein Name	EC#	Reference	Organism	GenBank	Uniprot	PDB/3D	Subf
1,4-α-glucan branching enzyme (GlgB)	2.4.1.18	pubmed	Anaerobranca gottschalkii	CAJ38414.1	Q3BJY5		9
branching enzyme (GlgB;Aq_722)	2.4.1.18	doi	Aquifex aeolicus VF5	AAC06895.1 CAE51854.1 NP_213496.1	O66936		9
branching-enzyme (GlgB)	2.4.1.18	pubmed	Bacillus caldolyticus	CAA78440.1	P30537		9
branching enzyme	2.4.1.18	doi	Bacillus cereus Q	BAE96028.1	Q1AQI6		9
branching enzyme (GlgB)	2.4.1.18		Bergeriella denitrificans	AAF04747.1 AAQ32649.1 AAT15256.1 CAC22097.1	Q9RQI5		9
branching-enzyme (GlgB)	2.4.1.18	pubmed	Butyrivibrio fibrisolvens H17C	AAA23007.1	P30539		9
[retaining] α-1,4-glucan branching enzyme (Athe_0558)	2.4.1.18		Caldicellulosiruptor bescii DSM 6725	ACM59684.1	B9MPC3		9
α-1,4-glucan branching enzyme (BE3;cceBE3;cce_1806)	2.4.1.18	pubmed	Crocosphaera subtropica ATCC 51142	ACB51156.1	B1WZK4	7XSY[A,B,C,D]	9
α-1,4-glucan branching enzyme (GlgB;BE1;cceBE1;cce_2248)	2.4.1.18		Crocosphaera subtropica ATCC 51142	ACB51598.1	B1WPM8	5GQU[A] 5GQV[A] 5GQW[A] 5GQX[A] 5GQY[A] 5GQZ[A] 5GR0[A] 5GR1[A] 5GR2[A] 5GR3[A] 5GR4[A] 5GR5[A] 5GR6[A] 6KLF[A]	9
α-1,4-glucan branching enzyme (BE2;cceBE2;cce_4595)	2.4.1.18		Crocosphaera subtropica ATCC 51142	ACB53943.1	B1WVF3		9
1,4-α-glucan branching enzyme (Glgb2)	2.4.1.18		Cyanobacterium sp. NBRC 102756	ABO93392.1	A4UU35		9
1,4-α-glucan branching enzyme (Glgb3)	2.4.1.18		Cyanobacterium sp. NBRC 102756	ABO93393.1	A4UU36		9
glycogen branching enzyme (GlgB; GBE; DgGBE; Dgeo_0981)	2.4.1.18		Deinococcus geothermalis DSM 11300	ABF45281.1	Q1IZQ3		9
glycogen branching enzyme (GlgB;DR_1848;DR1848)	2.4.1.18		Deinococcus radiodurans R1 = ATCC 13939 = DSM 20539	AAF11402.1 ANC71059.1 NP_295571.1	Q9RTB7		9
glycogen branching enzyme (GlgB)	2.4.1.18	pubmed	Dickeya chrysanthemi PY35	AAN64024.1 ABY54975.1	B0F2B5 Q8GQC5		9
branching-enzyme (EcBE;GlgB;EcE24377A_3911)	2.4.1.18		Escherichia coli O139:H28 str. E24377A	ABV17243.1	A7ZSW5 P07762	5E6Y[A,B,C,D] 5E6Z[A,B,C,D] 5E70[A,B,C,D]	9
branching-enzyme (GlgB;EcoBE;b3432)	2.4.1.18	pubmed	Escherichia coli str. K-12 substr. MG1655	AAA23872.1 AAA58230.1 AAC76457.1 ABX94236.1 AIZ89568.1 ALI38888.1 AMC96315.1 AUG18135.1 AVI53591.1 AYG17626.1 CAP11381.1 NP_417890.1	P07762	1M7X[A] 3O7Y[A,B,C,D] 3O7Z[A,B,C,D] 4LPC[A,B,C,D] 4LQ1[A,B,C,D] 8SDB[A,B,C,D]	9
α-1,4-glucan branching enzyme (GlgB; GBE) (partial)	2.4.1.18	pubmed	Geobacillus mahadia Geo-05	AGS56392.1			9
branching-enzyme (GlgB)	2.4.1.18	pubmed	Geobacillus stearothermophilus 1503-4R	AAA22482.1	P30538		9
branching-enzyme (GlgB)	2.4.1.18	pubmed	Geobacillus stearothermophilus TRBE14	BAA19588.1	Q59242		9
α-1,4-glucan branching enzyme (McGBE)	2.4.1.18	pubmed	Microvirga sp. MC18	UAM96506.1			9
branching-enzyme (GlgB;Rv1326c)	2.4.1.18	pubmed	Mycobacterium tuberculosis H37Rv	CAA98090.1 AFN49233.1 CCP44084.1 NP_215842.1	P9WN45 Q10625	3K1D[A]	9
glycogen branching enzyme (GlgB)	2.4.1.18		Pectobacterium carotovorum subsp. carotovorum LY34	ACN29675.1	C0JIC9		9
α-1,4-glucan branching enzyme (GlgB13; PmGBE13; Pmob_1316)	2.4.1.18	pubmed	Petrotoga mobilis SJ95	ABX32021.1	A9BGH1		9
branching enzyme (GlgB;RoBE)	2.4.1.18		Rhodothermus marinus JCM9785	BAB69858.1 AAR45540.1	Q93HU3	6JOY[A]	9
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-1,4-glucan branching enzyme (ScoBE;Synpcc7942_1085)	2.4.1.18	doi	Synechococcus elongatus PCC 7942 = FACHB-805	ABB57115.1	P16954		9
α-1,4-glucan branching enzyme (AmyB)	2.4.1.18		uncultured bacterium	AAP70397.1	Q6XE44		9
glycogen branching enzyme (GBE;VvGBE;VVM_00156;VVMO6_03058)	2.4.1.18	pubmed	Vibrio vulnificus MO6-24/O	ADV88080.1			9
α-1,4-glucan branching enzyme (GlgB;YPO3942)	2.4.1.18		Yersinia pestis CO92	CAC93404.1 CAL22523.1 NP_407383.1	Q8ZA75		9
α-1,4-glucan branching enzyme (GlgB;y3886)	2.4.1.18		Yersinia pestis KIM10+	AAM87431.1 NP_671180.1	Q8ZA75		9
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