Entry
Name
L-arabinose isomerase;
L-arabinose ketol-isomerase;
araA (gene name)
Class
Isomerases;
Intramolecular oxidoreductases;
Interconverting aldoses and ketoses, and related compounds
BRITE hierarchy
Sysname
beta-L-arabinopyranose aldose-ketose-isomerase
Reaction(IUBMB)
beta-L-arabinopyranose = L-ribulose [RN:
R12991 ]
Reaction(KEGG)
Substrate
beta-L-arabinopyranose [CPD:
C02479 ]
Product
Comment
Requires a divalent metal ion (the enzyme from the bacterium Escherichia coli prefers Mn2+) [2]. The enzyme binds beta-L-arabinopyranose [4] and catalyses ring opening to generate a form of open-chain conformation that facilitates the isomerization reaction, which proceeds via an ene-diol mechanism [6]. The enzyme can also convert alpha-D-galactose to D-tagatose with lower efficiency [5].
History
EC 5.3.1.4 created 1961, modified 2022
Pathway
ec00040 Pentose and glucuronate interconversions
Orthology
Genes
ECOO : ECRM13514_0064(araA)
ECOH : ECRM13516_0066(araA)
ECW : EcE24377A_0064(araA)
EDJ : ECDH1ME8569_0061(araA)
ECOI : ECOPMV1_00063(araA)
REE : electrica_04274(araA)
ROR : RORB6_14910 RORB6_21210 RORB6_21215
RON : TE10_06085 TE10_25155 TE10_25160
RAO : DSD31_02610 DSD31_02615 DSD31_21565
RTG : NCTC13098_00629 NCTC13098_00630 NCTC13098_06239(araA)
CBRA : A6J81_13080 A6J81_16210
CWE : CO701_18095 CO701_21175
CITZ : E4Z61_13275(araA) E4Z61_16180
CARS : E1B03_01910 E1B03_04855(araA)
KIE : NCTC12125_02976(araA)
BUF : D8682_16710 D8682_19200
BAGE : BADSM9389_02110 BADSM9389_06840
BFT : MNO13_01205 MNO13_03510(araA)
BSEL : RHD99_01190 RHD99_03430(araA)
AHN : NCTC12129_04199(araA)
ASUB : NLZ15_00360 NLZ15_03315(araA)
SGOE : A8O29_019290(araA) A8O29_021165
METY : MRY16398_47610(araA)
MPHG : MPHASIOC01_004543(araA)
YPG : YpAngola_A2259(araA)
YPI : YpsIP31758_1887(araA)
YAL : AT01_1158 AT01_453(araA)
SFJ : SAMEA4384070_2312(araA)
SOF : NCTC11214_04556(araA)
PAQU : DMB82_0010870(araA)
PARL : PEC302110_20210(araA)
DIC : Dpoa569_0001960(araA)
PANZ : NR302_08815(araA) NR302_21805
HPAR : AL518_14625 AL518_19225
LRI : NCTC12151_02342(araA)
PAET : NCTC13378_01757(araA)
VAU : VANGNB10_cI2663c(araA)
VIB : VspSTUT11_33610(araA)
CATE : C2869_06950 C2869_07535 C2869_21730
CDIZ : CEDIAZO_02563(araA)
MEY : TM49_05115 TM49_09745
OBG : Verru16b_01255(araA)
OLE : K0B96_01765(araA) K0B96_04635
TMV : OH491_01805 OH491_11885(araA) OH491_17920
OBT : OPIT5_19130 OPIT5_28310
CALG : SH580_05405 SH580_21120(araA)
RUFI : K0V07_05215 K0V07_09245(araA)
FPES : NXS98_11810(araA) NXS98_12815
VBA : IMCC26134_03835 IMCC26134_07560
PHM : PSMK_17960 PSMK_29870(araA)
MCAD : Pan265_13600(araA_1) Pan265_25210(araA_2)
VBC : C5Q97_00495 C5Q97_05685
TRC : DYE49_01030 DYE49_10130
SGP : SpiGrapes_2416 SpiGrapes_3064
SASS : MUG09_06355 MUG09_10210(araA)
GMA : AciX8_2908 AciX8_4781
TRS : Terro_1773 Terro_2940
TALB : FTW19_10985(araA) FTW19_18890
ABAS : ACPOL_0905 ACPOL_5699
PFER : IRI77_13155 IRI77_31975
BTHO : Btheta7330_03027(araA)
BCEL : BcellWH2_00932(araA) BcellWH2_02286
BFC : BacF7301_15515(araA)
PMUC : ING2E5A_1258 ING2E5A_2232
PET : PEIBARAKI_6110 PEIBARAKI_6120
PJO : LK449_05005(araA) LK449_15400 LK449_16590
PABC : NEE14_010195 NEE14_014650(araA)
PHER : prwr041_25140(araA)
POC : NCTC13071_01631(araA)
PBY : L6471_10070(araA) L6471_11740
SBAO : L6469_05000(araA) L6469_06590
ASEN : NQ519_01260 NQ519_04355
MCOS : GM418_02735 GM418_07430 GM418_16910(araA)
CHIT : FW415_01440 FW415_20260(araA)
CHOR : MKQ68_06895 MKQ68_07080(araA)
NKO : Niako_0711 Niako_3638
NSO : NIASO_03305 NIASO_07360
NIA : A8C56_01105 A8C56_07065 A8C56_11550
FGG : FSB75_02565(araA) FSB75_06960
ARK : D6B99_07775 D6B99_08410
AGI : FSB73_02180 FSB73_05570(araA)
LACS : H4075_11335(araA) H4075_15380
CBAM : PIECOFPK_01005(araA)
PMUO : LOK61_03715 LOK61_06585(araA)
SMIZ : 4412673_03644(araA)
STHA : NCTC11429_02079(araA)
SBAM : SCB77_01085 SCB77_08685(araA)
MUP : A0256_04920 A0256_12975
MGOT : MgSA37_01387(araA) MgSA37_04067
MGK : FSB76_10270 FSB76_17960(araA) FSB76_22355
MRUB : DEO27_030470 DEO27_030490(araA)
MSAB : SNE25_05875(araA) SNE25_08200 SNE25_16235 SNE25_25760
CMR : Cycma_2349 Cycma_3388
CAMU : CA2015_2289 CA2015_3223
CXI : ABWH99_08275 ABWH99_18910(araA)
EVI : Echvi_0405 Echvi_1879
EMAI : KZP23_02000 KZP23_09615(araA)
SLI : Slin_1238 Slin_4382 Slin_6560
SPIR : CWM47_06765 CWM47_16980 CWM47_31900 CWM47_33165
SPIK : EXU85_06650 EXU85_21215(araA)
SPIB : G8759_04610(araA) G8759_07470 G8759_16535
SFOL : H3H32_01280 H3H32_05000(araA)
SENF : GJR95_06260 GJR95_20295 GJR95_41315(araA)
DPF : ON006_15355 ON006_16205(araA)
RSI : Runsl_3383 Runsl_3823
RUN : DR864_06635 DR864_08860
HYJ : FHG12_15565(araA) FHG12_16650
PONT : C1N53_02365 C1N53_15335
RTI : DC20_10900 DC20_16050
CLIT : OQ292_33310 OQ292_33660(araA)
IRO : RT717_08085 RT717_15560(araA)
CHK : D4L85_32540 D4L85_32605
AALG : AREALGSMS7_03047(araA)
SPON : HME9304_00690(araA)
CGLE : NCTC11432_01189(araA)
BLI : BL00352(araA) BL01182
BLD : BLi02064(araA1) BLi03028(araA2)
BLH : BaLi_c21290(araA1) BaLi_c31090(araA2)
BAZ : BAMTA208_14150(araA)
BSON : S101395_01469(araA) S101395_02591
BGY : BGLY_2278(araA2) BGLY_3416(araA1)
BAER : BAE_00085 BAE_19870
BACQ : DOE78_02500 DOE78_04355
TAP : GZ22_02575 GZ22_08840
GRC : GI584_02530 GI584_22075(araA)
BLEN : NCTC4824_03645(araA)
PSUA : FLK61_24920(araA) FLK61_40180(araA)
PARG : PspKH34_21360(araA)
PPQ : PPSQR21_051010(araA)
PGM : PGRAT_23795 PGRAT_32000
PAEN : P40081_32840 P40081_36820
PLW : D5F53_05675 D5F53_21445
PPSC : EHS13_16320 EHS13_26830
PBK : Back11_02040 Back11_10420(araA_1) Back11_18560 Back11_27200(araA_2)
PRZ : GZH47_10210(araA) GZH47_17210
PTRI : KDC22_28475(araA) KDC22_32245(araA)
PNK : AASFL403_19195(araA)
COHN : KCTCHS21_22850 KCTCHS21_24290(araA_1) KCTCHS21_59690(araA_2)
CCHL : FPL14_17125 FPL14_25790(araA)
CHEB : HH215_02930(araA) HH215_15660 HH215_15935 HH215_18400 HH215_26995
COHL : J4772_09905 J4772_09990(araA) J4772_15620 J4772_24545
LRU : HMPREF0538_21705(araA)
LBN : LBUCD034_2028(araA-C) LBUCD034_2198(araA)
LSUA : H3M12_01635(araA) H3M12_11570(araA)
LHO : LOOC260_120430(araA)
EFC : EFAU004_02339(araA2)
EFAU : EFAU085_02403(araA2)
EFU : HMPREF0351_12332(araA)
CAC : CA_C1342(araA) CA_C1346(araA)
CAE : SMB_G1365(araA1) SMB_G1369(araA2)
CAY : CEA_G1356(araA) CEA_G1360
CRW : CROST_019050(araA_1) CROST_019090(araA_2)
CFB : CLFE_019030(araA_1) CLFE_019070(araA_2)
CAUN : CLAUR_010810(araA_1) CLAUR_010870(araA_2)
CGEL : psyc5s11_48620(araA)
SVJ : NQ490_00090 NQ490_09280(araA)
BPRO : PMF13cell1_01934(araA)
BLAB : EYS05_02225 EYS05_09695(araA)
BWX : NQ550_02100(araA) NQ550_16300
BMAS : LK422_03720 LK422_14000(araA)
BLUI : Blut17040_03650(araA)
CHYL : CE91St63_31750(araA)
PXV : FXF36_01830(araA) FXF36_10950
ANR : Ana3638_05545(araA) Ana3638_10875
ACEL : acsn021_45080(araA)
ACHT : bsdcttw_09360(araA)
SSUN : H9Q77_03335(araA) H9Q77_15425
CMIU : B1H56_05550 B1H56_07180 B1H56_14110
ERZ : ER308_01365 ER308_02440
MPHL : MPHLCCUG_01559(araA)
MAUU : NCTC10437_01863(araA)
SCX : AS200_30525 AS200_38625
SGM : GCM10017557_08380(araA)
SGE : DWG14_02666(araA) DWG14_07622
STUI : GCM10017668_63360(araA)
SCYN : N8I84_34610(araA) N8I84_40470(araA)
ABRY : NYE86_22665(araA) NYE86_28385(araA)
MSUW : GCM10025863_29630(araA)
MINV : T9R20_01665(araA) T9R20_04165(araA)
FRP : AX769_16675 AX769_19800
AMAV : GCM10025877_21980(araA)
CART : PA27867_0348 PA27867_3075
CRY : B7495_01700 B7495_14875
CPHY : B5808_17260 B5808_17485
MDB : OVN18_03090(araA) OVN18_05520
PLAP : EAO79_02155 EAO79_18845
PFLU : BWO91_15550 BWO91_18225
MANT : BHD05_00585 BHD05_01235
HEA : HL652_03800(araA) HL652_20090
FRN : F1C15_01085 F1C15_12825(araA)
GLN : F1C58_00655 F1C58_01870(araA)
SUBA : LQ955_16435 LQ955_18960(araA)
LYH : FrondiHNR_01995(araA)
AAGI : NCTC2676_1_00300(araA_1) NCTC2676_1_02864
ARTM : MN0502_03820(araA_1) MN0502_31330(araA_2)
PSNI : NIBR502771_00965(araA)
DSS : GCM25873_19290(araA)
TEZ : BKM78_03560 BKM78_05855
TLA : TLA_TLA_00725(araA_1) TLA_TLA_01184(araA_2)
RAIN : Rai3103_12135(araA)
BROO : brsh051_12000(araA)
KQI : F1D05_21870 F1D05_33680(araA)
KRI : OX958_00140 OX958_16465(araA)
ACTW : F7P10_04085 F7P10_09700(araA)
AMAZ : LUW76_07860 LUW76_13780(araA)
ACIR : OG979_33295 OG979_40765(araA)
NOA : BKM31_07640 BKM31_57615
NGN : LCN96_33810 LCN96_43245(araA)
NFS : OIE67_05995(araA) OIE67_23790
FRI : FraEuI1c_3465 FraEuI1c_3903
NAKA : H7F38_02015 H7F38_05615(araA)
AMD : AMED_4404(araA) AMED_4546(araA)
AMM : AMES_4350(araA) AMES_4491(araA)
AMZ : B737_4350(araA) B737_4491(araA)
APRT : MUY14_14315 MUY14_15345(araA)
ARHD : VSH64_07985(araA) VSH64_11065
AMOG : QRX60_36190(araA) QRX60_37060
ACAB : QRX50_34705 QRX50_38360(araA)
ANW : QP939_40905 QP939_41740(araA)
AMYD : K1T34_38210(araA) K1T34_42890
PSDS : K1T35_15030 K1T35_26125(araA)
ACTU : Actkin_02871(araA_1)
UME : RM788_11430(araA) RM788_41695
MSAG : GCM10017556_57290(araA)
ASE : ACPL_5120(araA) ACPL_5441(araA)
AMS : AMIS_52230 AMIS_55650
ACTS : ACWT_4990 ACWT_5310
AIH : Aiant_08510(araA_1) Aiant_12720(araA_2)
ACTR : Asp14428_80370(araA)
ACTL : L3i22_073690(araA) L3i22_077730(araA)
ASIC : Q0Z83_003340(araA_1) Q0Z83_007130(araA_2)
AOU : ACTOB_005649(araA) ACTOB_006002(araA)
ACTE : ACTI_48010(araA_1) ACTI_77180(araA_2)
PLAB : C6361_07120 C6361_21930
PLAT : C6W10_03695 C6W10_16890
PFLA : Pflav_023420(araA_1) Pflav_042680(araA_2)
PSUU : Psuf_078510(araA_1) Psuf_084250(araA_2)
AHW : NCTC11636_01182(araA)
GVG : HMPREF0421_20374(araA)
GVH : HMPREF9231_1181(araA)
PSUB : Pelsub_P0687 Pelsub_P3002
LEK : hrd7_03680(araA_1) hrd7_34160(araA_2)
CCOT : CCAX7_005740(araA) CCAX7_49060
DSC : ABOD76_20795(araA) ABOD76_20925
HTI : HTIA_1046 HTIA_p2910
» show all
Taxonomy
Reference
Authors
HEATH EC, HORECKER BL, SMYRNIOTIS PZ, TAKAGI Y.
Title
Pentose fermentation by Lactobacillus plantarum. II. L-arabinose isomerase.
Journal
J Biol Chem 231:1031-7 (1958)
Reference
Authors
Patrick JW, Lee N
Title
Purification and properties of an L-arabinose isomerase from Escherichia coli.
Journal
J Biol Chem 243:4312-8 (1968)
Reference
Authors
Nakamatu T, Yamanaka K.
Title
Crystallization and properties of L-arabinose isomerase from Lactobacillus gayonii.
Journal
Reference
Authors
Schray KJ, Rose IA.
Title
Anomeric specificity and mechanism of two pentose isomerases.
Journal
Reference
5
Authors
Cheetham PSJ, Wootton AN.
Title
Bioconversion of D-galactose into D-tagatose.
Journal
Enzyme and Microbial Technology 15:105-108 (1993)
Reference
Authors
Banerjee S, Anderson F, Farber GK
Title
The evolution of sugar isomerases.
Journal
Reference
Authors
Manjasetty BA, Chance MR
Title
Crystal structure of Escherichia coli L-arabinose isomerase (ECAI), the putative target of biological tagatose production.
Journal
Sequence
Other DBs
ExplorEnz - The Enzyme Database: 5.3.1.4
ExPASy - ENZYME nomenclature database: 5.3.1.4
BRENDA, the Enzyme Database: 5.3.1.4
LinkDB
All DBs