Activities in Family	inulin lyase [DFA-I-forming] (EC 4.2.2.17); inulin lyase [DFA-III-forming] (EC 4.2.2.18); difructofuranose 1,2':2,3' dianhydride hydrolase [DFA-IIIase] (EC 3.2.1.-)
Mechanism	Inverting
3D Structure Status	β-helix
Note	Was temporarily changed into PL19 until it was recently realized that these "PLs" are analogous to GH23 SLTs/lysozymes (there is at least one hydrolase in the GH91 family) and therefore are better classified in the GH category. See CAZypedia (below) for more.
External resources	CAZypedia;
Statistics	GenBank accession (126); Uniprot accession (20); PDB accession (2); 3D entries (1); cryst (0)

Bacteria
Protein Name	EC#	Organism	GenBank	Uniprot	PDB/3D
ADH66_05425 (fragment)		Acutalibacter muris KB18	ASB40146.1
Ach5_48470		Agrobacterium tumefaciens Ach5	AKC10614.1
Ach5_48460		Agrobacterium tumefaciens Ach5	AKC10613.1
X971_5043		Agrobacterium tumefaciens LBA4213 (Ach5)	AHK04882.1
X971_5044		Agrobacterium tumefaciens LBA4213 (Ach5)	AHK04883.1
SAMN04489721_3449		Agromyces flavus CPCC 202695	SDT39494.1
inulin fructotransferase (DFA III-producing)	4.2.2.18	Arthrobacter globiformis C11-1	BAB20662.1	Q9F235
inulin fructotransferase	4.2.2.17	Arthrobacter globiformis S14-3	BAA07533.1	P19870
unnamed protein product		Arthrobacter sp.	CAD19367.1
inulin fructotransferase (Ift)	4.2.2.18	Arthrobacter sp. A-6	AAG09641.1	Q9FA01
AUT26_18635		Arthrobacter sp. ATCC 21022	AMB42002.1
AUT26_18675		Arthrobacter sp. ATCC 21022	AMB42666.1
Arth_0051		Arthrobacter sp. FB24	ABK01452.1	A0JQY2
inulin fructotransferase / inulinase II (Ift)	4.2.2.18	Arthrobacter sp. H65-7	BAA18967.1	O08305
di-fructofuranose 1,2':2,3' dianhydride hydrolase (DFA IIIase)	3.2.1.-	Arthrobacter sp. H65-7	BAD06469.1	Q76KU1
AHiyo8_09220		Arthrobacter sp. Hiyo8	BAS12619.1
AHiyo8_09150 (fragment)		Arthrobacter sp. Hiyo8	BAS12612.1
AHiyo8_09160 (fragment)		Arthrobacter sp. Hiyo8	BAS12613.1
inulin fructotransferase (DFA III-producing) (IFT3)	4.2.2.18	Arthrobacter sp. L68-1	BAO57215.1
BWQ92_22735		Arthrobacter sp. QXT-31	APX04175.1
ARUE_c06600		Arthrobacter sp. Rue61a	AFR27594.1
ARUE_c06640		Arthrobacter sp. Rue61a	AFR27598.1
ARZXY2_4162		Arthrobacter sp. ZXY-2	AOY73662.1
ARZXY2_4154		Arthrobacter sp. ZXY-2	AOY73654.1
N288_04325		Bacillus infantis NRRL B-14911	AGX02822.1
inulin fructotransferase (DFA III-producing) (Ift)	4.2.2.18	Bacillus sp. snu-7	AAZ66341.1	Q3SAG3	2INU[A,B,C] 2INV[A,B,C]
Bovatus_01827		Bacteroides ovatus ATCC 8483	ALJ46467.1
Bovatus_01828		Bacteroides ovatus ATCC 8483	ALJ46468.1
BACOV975_04617		Bacteroides ovatus V975	SCV10823.1
BACOV975_04616		Bacteroides ovatus V975	SCV10822.1
BXY_14330		Bacteroides xylanisolvens XB1A	CBK66567.1	D6CWL5
BXY_14340		Bacteroides xylanisolvens XB1A	CBK66568.1	D6CWL6
LF65_04373		Clostridium beijerinckii NCIMB 14988	AJH00913.1
Franean1_7046 (possible fragment)		Frankia sp. EAN1pec	ABW16377.1	A8L4X8
AL518_09555		Hafnia alvei FDAARGOS_158	AMH18237.1
ABY61_23750		Klebsiella aerogenes CAV1320	AKK84143.1
A225_0068		Klebsiella michiganensis E718	AFN30031.1
J415_02590		Klebsiella michiganensis HKOPL1	AHW86084.1
KOX_07155		Klebsiella michiganensis KCTC 1686	AEX03161.1
HR38_05695		Klebsiella michiganensis M1	AIE67968.1
AM394_18415		Klebsiella oxytoca AR_0147	ARB23063.1
AGF18_21790		Klebsiella oxytoca CAV1015	APB46433.1
AB184_18400		Klebsiella oxytoca CAV1099	AKL07096.1
AB181_18665		Klebsiella oxytoca CAV1335	AKL24022.1
AB185_06645		Klebsiella oxytoca CAV1374	AKL33595.1
AGH21_18320		Klebsiella oxytoca CAV1752	APM32462.1
KOJKO3_c0062		Klebsiella oxytoca JKo3	BAS38076.1
KONIH1_00335		Klebsiella oxytoca KONIH1	AID87571.1
B8O09_16495		Klebsiella pneumoniae KPN1482	ART00676.1
WM47_00315		Klebsiella pneumoniae KPNIH39	ANK19603.1
A593_11155		Klebsiella pneumoniae subsp. pneumoniae KP5-1	AIE01081.1
KPYH43_c5061		Klebsiella pneumoniae YH43	BAS37921.1
BJF97_00430 (fragment)		Klebsiella sp. LTGPAF-6F	AOV09595.1
BJF97_07970		Klebsiella sp. LTGPAF-6F	AOV10969.1
BWI76_00635		Klebsiella sp. M5al	ARI06152.1
Kvar_5014		Klebsiella variicola At-22	ADC60885.1	D3RI98
KR75_08560		Klebsiella variicola DX120E	AJA94894.1
AB182_13660		Kluyvera intermedia CAV1151	AKL12292.1
JP39_12245		Lactobacillus heilongjiangensis DSM 28069	ALB30067.1
LP065_06755		Lactobacillus sakei Probio65	ARJ72263.1
SAMN04515680_2880		Leifsonia sp. 21MFCrub1.1	SEB05304.1
ARA01_04945		Leuconostoc mesenteroides subsp. mesenteroides DRC0211	AQU49374.1
MI1_04685		Leuconostoc mesenteroides subsp. mesenteroides J18	AET30389.1
AOA12_07035 (fragment)		Microbacterium sp. No. 7	ALJ19674.1
GA0074704_3173		Micromonospora siamensis DSM 45097	SCG55568.1
Noca_0068		Nocardioides sp. JS614	ABL79614.1	A1SCS9
inulin fructotransferase (DFAIII-producing) (Nsp-ift)	4.2.2.18	Nonomuraea sp. ID06-A0189 = AHU1850	BAN62836.1
DFA IIIase, partial		Paenarthrobacter aurescens SK 8.001	ALH43276.1
DFA-III-forming inulin fructotransferase (IfT)		Paenarthrobacter aurescens SK 8.001	ADJ19283.1
AAur_0696		Paenarthrobacter aurescens TC1	ABM07149.1	A1R2N7
B2K_10350		Paenibacillus mucilaginosus K02	AFH61120.1
AN278_006940		Pediococcus pentosaceus wikim20	ANI98216.1
Achl_2895		Pseudarthrobacter chlorophenolicus A6	ACL40859.1	B8HDZ1
Achl_2902		Pseudarthrobacter chlorophenolicus A6	ACL40866.1	B8HEC1
inulin fructotransferase		Pseudarthrobacter chlorophenolicus SK 33.001	AIU47046.1
Asphe3_30430		Pseudarthrobacter phenanthrenivorans Sphe3	ADX74153.1
AU252_08925		Pseudarthrobacter sulfonivorans Ar51	ALV41257.1
Rahaq2_5077		Rahnella aquatilis CIP 78.65 = ATCC 33071	AEX54779.1
RORB6_18285		Raoultella ornithinolytica B6	AGJ88337.1
TE10_07105		Raoultella ornithinolytica S12	AJF71842.1
IE4771_PE00542		Rhizobium etli bv. mimosae str. IE4771	AIC31765.1
REMIM1_PD00373		Rhizobium etli bv. mimosae str. Mim1	AGS24984.1
IE4803_PD00527		Rhizobium etli bv. phaseoli str. IE4803	AJC83724.1
RHE_PE00355		Rhizobium etli CFN 42	ABC93790.1	Q2K0Z6
Kim5_PD00500		Rhizobium etli Kim 5	ARQ62504.1
AMJ99_PC00373		Rhizobium etli N561	ANL06960.1
NXC12_PC00367		Rhizobium etli NXC12	ARQ13005.1
TAL182_PD00365		Rhizobium etli TAL 182	ARO27457.1
LPU83_pLPU83c_0042		Rhizobium favelukesii LPU83	CDM60604.1
RLEG12_01740		Rhizobium leguminosarum bv. trifolii CB782	AHG49620.1
Rleg_4711		Rhizobium leguminosarum bv. trifolii WSM1325	ACS58943.1	C6B4D5
Rleg2_5748		Rhizobium leguminosarum bv. trifolii WSM2304	ACI58922.1	B6A3D9
BMW22_28860		Rhizobium leguminosarum Vaf-108	API55502.1
AMC78_PA00134		Rhizobium phaseoli N161	ANM06600.1
AMC79_PA00132		Rhizobium phaseoli N261	ANM00209.1
AMC80_PB00132		Rhizobium phaseoli N671	ANL93779.1
AMC81_PB00132		Rhizobium phaseoli N771	ANL87270.1
AMC82_PA00132		Rhizobium phaseoli N831	ANL80777.1
AMC83_PB00134		Rhizobium phaseoli N841	ANL74464.1
AMC84_PA00132		Rhizobium phaseoli N931	ANL67963.1
AMC85_PA00133		Rhizobium phaseoli R611	ANL61855.1
AMC86_PA00138		Rhizobium phaseoli R620	ANL55549.1
AMC87_PA00123		Rhizobium phaseoli R630	ANL49115.1
AMC88_PA00133		Rhizobium phaseoli R650	ANL42869.1
AMC89_PA00132		Rhizobium phaseoli R723	ANL36484.1
AMC90_PB00124		Rhizobium phaseoli R744	ANL30442.1
AMJ96_PC00372		Rhizobium sp. N113	ANL25114.1
AMJ97_PE00373		Rhizobium sp. N1314	ANL19688.1
AMJ98_PD00372		Rhizobium sp. N1341	ANL13130.1
AMK00_PC00373		Rhizobium sp. N621	ANL00839.1
AMK01_PC00373		Rhizobium sp. N6212	ANK94789.1
AMK02_PE00373		Rhizobium sp. N731	ANK89436.1
AMK03_PD00373		Rhizobium sp. N741	ANM43954.1
AMK04_PC00373		Rhizobium sp. N871	ANM37804.1
NXC14_PB00618		Rhizobium sp. NXC14	ARO33436.1
A4V00_03575 (fragment)		Ruminiclostridium sp. KB18	ANU53180.1
A4V00_03580 (fragment)		Ruminiclostridium sp. KB18	ANU53181.1
CK1_34800		Ruminococcus sp. SR1/5	CBL21241.1	D4LN30
ADP73_15425		Serratia plymuthica 3Re4-18	ANJ99276.1
ADP72_21130		Serratia plymuthica 3Rp8	ANJ95339.1
SOD_c28250		Serratia plymuthica 4Rx13	AGO55798.1
M621_15425		Serratia plymuthica S13	AGP47098.1
sch_16135		Serratia plymuthica V4	AHY08023.1
DFA IIIase (fragment)		Sinorhizobium terangae LMG7834; ORS1009	ABD75206.1	D1CTQ2
BN159_0187		Streptomyces davawensis JCM 4913	CCK24566.1
Inulin fructotransferase		uncultured bacterium	SIP56492.1
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