Glycoside Hydrolase Family 13 / Subf 4

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;
Commercial Enzyme Provider(s)	MEGAZYME; PROZOMIX;
Statistics	GenBank accession (29); Uniprot accession (21); PDB accession (27); 3D entries (7); cryst (0)

Summary

Download GH13_4 (1989) Taxonomic display Structure (7) Characterized (20) Activities in Sub Family (2)

Bacteria
Protein Name	EC#	Reference	Organism	GenBank	Uniprot	PDB/3D	Subf
amylosucrase (Amas)	2.4.1.4		Alteromonas macleodii KCTC 2957	BAG82876.1	B6F2H1		4
amylosucrase (BtAS; BTHE_0530)	2.4.1.4	pubmed	Bifidobacterium thermophilum JCM 1207	KFJ08006.1			4
amylosucrase (ASase; CT-ASase)	2.4.1.4	pubmed	Calidithermus timidus DSM 17022	WP_018466847.1	A0A915Q9D7	7ESH[A,B,C,D]	4
sucrose hydrolase (SucB; CcSH; CCNA_01193)	3.2.1.48	pubmed	Caulobacter vibrioides NA1000	ACL94658.2 ACL94658.1 YP_002516566.2	A0A0H3C6Q6		4
amylosucrase (CC-AS; N868_11335)	2.4.1.4	pubmed	Cellulomonas carbonis T26	KGM11272.1	A0A0A0BUC7		4
amylosucrase (DgAS; Dgeo_0572)	2.4.1.4	pubmed	Deinococcus geothermalis DSM 11300	ABF44874.1 YP_604043.1	Q1J0W0	3UCQ[A] 3UER[A] 9ISA[A,B]	4
amylosucrase (AS; DrAS; TreS; DR0933)	2.4.1.4		Deinococcus radiodurans R1 = ATCC 13939 = DSM 20539	AAF10510.1 ANC71873.1 NP_294657.1	Q9RVT9	4AYS[A]	4
amylosucrase (DRpAS)	2.4.1.4	doi	Deinococcus radiopugnans ATCC 19172	MBB6016233.1 QCT05769.1	A0A4P8XUU6		4
amylosucrase (DwAS)	2.4.1.4	doi	Deinococcus wulumuqiensis	WP_017868998.1	A0A6G7H4A2		4
amylosucrase (MFAS;Mfla_2611)	2.4.1.4	pubmed	Methylobacillus flagellatus KT	ABE50875.1	Q1GY12		4
amylosucrase (Ams; NpAS)	2.4.1.4	pubmed	Neisseria polysaccharea ATCC 43768	AAT15258.1 AAW13710.1 ACK26675.1 CAA03058.1 CAA03083.1 CAA09772.1	E2PEX2 Q9ZEU2	1G5A[A] 1JG9[A] 1JGI[A] 1MVY[A] 1MW0[A] 1MW1[A] 1MW2[A] 1MW3[A] 1S46[A] 1ZS2[A] 3UEQ[A] 4FLO[A] 4FLQ[A] 4FLR[A] 4FLS[A]	4
amylosucrase (AmS; NaAS; NEISUBOT_05048)	2.4.1.4	pubmed	Neisseria subflava NJ9703	EFC51554.1	A0A9W5IPR0		4
amylosucrase (AmsA;1986-orf;AMS;SYNPCC7002_A0885)	2.4.1.4		Picosynechococcus sp. PCC 7002	ACA98889.1 CDL67995.1	B1XIU7		4
amylosucrase (AcAS;Achl_3605)	2.4.1.4	pubmed	Pseudarthrobacter chlorophenolicus A6	ACL41561.1	B8H6N5		4
amylosucrase (SaAS; NFC81_08880)	2.4.1.4	pubmed	Salinispirillum sp. LH 10-3-1	WLD56843.1	A0AB38YBZ7		4
amylosucrase (ASase; TR-ASase; Trad_1031)	3.2.1.48 2.4.1.4	pubmed pubmed	Truepera radiovictrix DSM 17093	ADI14158.1	D7CVD0		4
amylosucrase (Asmet)	2.4.1.4	pubmed	uncultured bacterium	QCZ35432.1	A0A6G5T628		4
sucrose hydrolase (SUH; XaSH)	3.2.1.48	pubmed	Xanthomonas axonopodis pv. glycines 8RA	AAQ93678.1	Q6UVM5	3CZE[A] 3CZG[A] 3CZK[A] 3CZL[A]	4
sucrose hydrolase (SuxB;XCC3359)	3.2.1.48	pubmed	Xanthomonas campestris pv. campestris str. ATCC 33913	AAM42629.1 NP_638705.1	Q8P5I2	2WPG[A]	4
sucrose hydrolase (XAC3490)	3.2.1.48	pubmed	Xanthomonas citri pv. citri str. 306	AAM38333.1 NP_643797.1	A0AAI7ZHT3 Q8PGX2		4
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