Entry
Name
6-phospho-3-hexuloisomerase;
3-hexulose-6-phosphate isomerase;
phospho-3-hexuloisomerase;
PHI;
6-phospho-3-hexulose isomerase;
YckF
Class
Isomerases;
Intramolecular oxidoreductases;
Interconverting aldoses and ketoses, and related compounds
BRITE hierarchy
Sysname
D-arabino-hex-3-ulose-6-phosphate isomerase
Reaction(IUBMB)
D-arabino-hex-3-ulose 6-phosphate = D-fructose 6-phosphate [RN:
R05339 ]
Reaction(KEGG)
Substrate
D-arabino-hex-3-ulose 6-phosphate [CPD:
C06019 ]
Product
D-fructose 6-phosphate [CPD:
C00085 ]
Comment
This enzyme, along with EC
4.1.2.43 , 3-hexulose-6-phosphate synthase, plays a key role in the ribulose-monophosphate cycle of formaldehyde fixation, which is present in many microorganisms that are capable of utilizing C1-compounds [1]. The hyperthermophilic and anaerobic archaeon Pyrococcus horikoshii OT3 constitutively produces a bifunctional enzyme that sequentially catalyses the reactions of EC
4.1.2.43 (3-hexulose-6-phosphate synthase) and this enzyme [4].
History
EC 5.3.1.27 created 2008
Pathway
ec01120 Microbial metabolism in diverse environments
Orthology
K08094 6-phospho-3-hexuloisomerase
K13831 3-hexulose-6-phosphate synthase / 6-phospho-3-hexuloisomerase
Genes
ELN : NRG857_10055 NRG857_19035
ECOI : ECOPMV1_04171(hxlB)
SEH : SeHA_C2930(hxlB) SeHA_C3252
SENH : CFSAN002069_17050 CFSAN002069_18500
SEEH : SEEH1578_01225 SEEH1578_22580
EEC : EcWSU1_A067(hxlB) EcWSU1_A079(hxlB)
EHU : D5067_0012780 D5067_0012835
RTG : NCTC13098_03928(hxlB)
CLAP : NCTC11466_04027(hxlB)
PSGC : G163CM_13990(hxlB_1) G163CM_25830(hxlB_2)
SOF : NCTC11214_04390(rpiR_3)
EPE : CI789_05880 CI789_22800
MCA : MCA2738 MCA3044 MCA3050
METU : GNH96_02040(hxlB) GNH96_02070(hxlB) GNH96_04130(hxlA)
MAH : MEALZ_1912(hpsi2) MEALZ_3952(hpi1)
MPSY : CEK71_00430(hxlB) CEK71_18985
MOZ : MoryE10_06560 MoryE10_07580
ORB : IPMB12_02090 IPMB12_08425(hxlB)
DAO : Desac_1176 Desac_1177
BSX : C663_0336(hxlB1) C663_0337(hxlB2)
BAZ : BAMTA208_01550(hxlB)
BSON : S101395_01723(hxlB)
BIF : N288_21400 N288_22475
BFD : NCTC4823_01218(hxlB_1) NCTC4823_03792(hxlB_2)
BACA : FAY30_22680 FAY30_22720(hxlB) FAY30_23230(hxlB)
BCIR : C2I06_12980(hxlB) C2I06_17425(hxlB)
BMEG : BG04_3185(hxlB) BG04_5471(hxlB) BG04_5931(hxlB)
BCK : BCO26_0268 BCO26_0583
BCOA : BF29_2768(hxlB) BF29_3094
BKW : BkAM31D_07115(hxlB_1) BkAM31D_16320(hxlB_2)
BON : A361_15690 A361_26105
CGOT : J1899_06830(hxlB) J1899_20245 J1899_20285(hxlB) J1899_21660(hxlB)
CFIR : NAF01_02055(hxlB) NAF01_14220(hxlB)
OON : NP440_00985(hxlB) NP440_16415(hxlB) NP440_18620(hxlB)
GEA : GARCT_00703(hxlB_1) GARCT_02003(hxlB_2)
GEL : IB49_01650 IB49_02235
PARG : PspKH34_30150(hxlB)
ACAI : ISX45_01325(hxlB) ISX45_06730(hxlB)
HMN : HM131_01670 HM131_14420
HLI : HLI_12625(hxlB) HLI_12665(hxlB)
FAR : ABE41_010270 ABE41_017265
BMUR : ABE28_013510 ABE28_019900
NDT : L1999_03000(hxlB) L1999_22995(hxlB)
MEKU : HUW50_04035(hxlB) HUW50_04045 HUW50_16940(hxlB)
MDG : K8L98_13985(hxlB) K8L98_15445(hxlB)
MLIT : KDJ21_025575(hxlB) KDJ21_026160(hxlB)
BLEN : NCTC4824_00835(hxlB_1) NCTC4824_02163(hxlB_2)
SEDD : ERJ70_14575(hxlB) ERJ70_18450(hxlB)
BVQ : FHE72_04715(hxlB) FHE72_17340(hxlB)
BBEV : BBEV_0242(rmpB) BBEV_2196(hxlB)
PUK : PU629_11125(hxlB) PU629_11400(hxlB)
SAH : SaurJH1_0608 SaurJH1_2813
SAJ : SaurJH9_0594 SaurJH9_2737
SUQ : HMPREF0772_12617(hxlB)
SDP : NCTC12225_02419(hxlB)
SWA : A284_00530 A284_10440 A284_12312
SPIC : SAMEA4384060_1854(hxlB_1) SAMEA4384060_2298(hxlB_2)
SSH : NCTC13712_00523(hxlB)
SSIM : SAMEA4384339_0523(hxlB)
SDB : CNQ82_05280(hxlB) CNQ82_12850(hxlB)
SPSD : JMB28_11600(hxlB) JMB28_13760(hxlB)
SHV : AAT16_06525 AAT16_11305
PPOL : X809_29030 X809_40850
PPQ : PPSQR21_049260(gutQ)
PSAB : PSAB_01350 PSAB_23290
PDU : PDUR_01615 PDUR_26630
PSTE : PSTEL_02010 PSTEL_26040
PBJ : VN24_01050 VN24_04700
PPEO : ABE82_13080 ABE82_24520
PNP : IJ22_01450 IJ22_02600
PBV : AR543_06020 AR543_17155
PCHI : PC41400_00760(hxlB)
PBK : Back11_48230 Back11_58390
PSOP : KP014_01995(hxlB) KP014_04760(hxlB)
PKA : PQ456_03515(hxlB) PQ456_14785(hxlB)
PUI : PUW25_10545(hxlB) PUW25_26980(hxlB)
CCHL : FPL14_17205 FPL14_29075(hxlB)
ADAU : NZD86_18895(hxlB) NZD86_23125(hxlB)
AFAS : NZD89_03505(hxlB) NZD89_05665(hxlB) NZD89_23105(hxlB)
PANA : BBH88_04825 BBH88_17515
PLX : CW734_09540(hxlB) CW734_13375(hxlB)
SGG : SGGBAA2069_c19300(hxlB)
SPOC : NCTC10925_00226(hxlB)
LKL : DKL58_01405(hxlB) DKL58_07345(hxlB)
LPAI : GYM71_01550 GYM71_09460
LCW : BN194_04280(hxlB) BN194_04570(hxlB_2)
LCB : LCABL_04200(phi) LCABL_04500(phi)
LZE : KG087_01985 KG087_13960(hxlB)
LPD : AYR62_06115 AYR62_13390
WCB : AO080_08000 AO080_11065
EGV : EGCR1_00755(hxlB) EGCR1_06785(hxlB) EGCR1_06900
EAV : EH197_02720 EH197_05790(hxlB) EH197_09435(hxlB) EH197_17125(hxlB)
ECEC : NCTC12421_00422(hxlB)
ERAF : J9537_02590(hxlB) J9537_09050(hxlB) J9537_17215 J9537_20040
TOO : C7K38_07920(hxlB) C7K38_08455
ACOL : K5I23_04775(hxlB) K5I23_04785
CSCI : HDCHBGLK_01277(rmpB)
ARF : AR1Y2_0027 AR1Y2_0499 AR1Y2_1707 AR1Y2_3085 AR1Y2_3234
ACAC : EYQ97_01655(hxlB) EYQ97_02430(hxlB) EYQ97_09115(hxlB) EYQ97_13050(hxlB) EYQ97_14385
HALS : D7D81_05745 D7D81_05750(hxlB) D7D81_05790
IFN : GM661_03200 GM661_03205(hxlB) GM661_03245
AARG : Aargi30884_04660(hxlB)
ABSI : A9CBEGH2_06040(hxlB)
ERB : A4V01_01275 A4V01_02800 A4V01_19470
CIU : G4D55_16755(hxlB) G4D55_20090(hxlB) G4D55_20120(hxlB)
MDX : BTO20_03340 BTO20_03435 BTO20_30250
MMAT : MMAGJ_12230 MMAGJ_73880(hxlB_1) MMAGJ_74080(hxlB_2)
CCYC : SCMU_00960(hxlB) SCMU_40770
RHA : RHA1_ro00488 RHA1_ro11330
RKO : JWS14_16850 JWS14_41250
SAMB : SAM23877_0308(rmpB)
SLE : sle_59920(sle_59920)
ARE : AL755_02185 AL755_14015
SATK : SA2016_1325 SA2016_3450 SA2016_3839
PAUS : NCTC13651_01297(hxlB)
MCRA : ID554_09635 ID554_24755
BLEM : BL8807_07055 BL8807_10610
BEU : BE0216_00790 BE0216_04555(hxlB)
ATB : J4859_05600 J4859_15580
ABAO : BEQ56_05675 BEQ56_09845
CAP : CLDAP_06920 CLDAP_16730
KST : KSMBR1_1055 KSMBR1_3739
BROC : IPI25_07160(hxlB) IPI25_12570
BPIT : BPIT_02080 BPIT_15350
JET : L3J17_12540 L3J17_14955(hxlB)
STR : Sterm_1850 Sterm_3213 Sterm_3836
ALAM : RT761_00647(hxlB_1) RT761_01715(hxlB_2)
MMG : MTBMA_c01320(phi1) MTBMA_c06990(phi2)
MWO : MWSIV6_0086 MWSIV6_0661
MTEE : MTTB_08920 MTTB_15610
METC : MTCT_0212 MTCT_1411
METE : tca_00229(hxlB_1) tca_01495(hxlB_2)
METZ : METMT2_0042 METMT2_0695
METK : FVF72_01055(hxlB) FVF72_03890(hxlB)
MTHM : FZP57_00370(hxlB) FZP57_03150(hxlB)
METJ : FZP68_05365(hxlB) FZP68_08190(hxlB)
METB : AW729_00875 AW729_05950
MRU : mru_0250(phi1) mru_1310(phi2)
MEL : Metbo_0617 Metbo_2522
MEW : MSWAN_0109 MSWAN_0280 MSWAN_1744
METH : MBMB1_0100 MBMB1_1368
MFC : BRM9_0164(hxlB1) BRM9_0593(hxlB2)
MFI : DSM1535_0575 DSM1535_1482
MCUB : MCBB_0119 MCBB_1608
MSUB : BK009_05845 BK009_10325
METN : BK008_01390 BK008_05945
METT : CIT01_06195(hxlB) CIT01_07665 CIT01_10335(hxlB)
METO : CIT02_06520(hxlB) CIT02_11140(hxlB)
MEME : HYG87_00110(hxlB) HYG87_06565 HYG87_07035(hxlB)
AFG : AFULGI_00009430 AFULGI_00020470
APO : Arcpr_0694 Arcpr_0698 Arcpr_1797
AVE : Arcve_0921 Arcve_1683
AST : Asulf_00165 Asulf_00326 Asulf_00974
MBA : Mbar_A1170 Mbar_A3132
MBY : MSBRM_1108 MSBRM_3392
MBW : MSBRW_1605 MSBRW_3553
MBAR : MSBR2_1304 MSBR2_3345
MBAK : MSBR3_0600 MSBR3_3372
MMAZ : MmTuc01_1255 MmTuc01_2419
MMJ : MSMAS_0097 MSMAS_2332
MMAC : MSMAC_0105 MSMAC_2113
MVC : MSVAZ_0103 MSVAZ_1860
MEK : MSKOL_0099 MSKOL_1847
MLS : MSLAZ_0967 MSLAZ_3053
METM : MSMTP_0201 MSMTP_2178
MEF : MSWH1_2160 MSWH1_3047
MEQ : MSWHS_1919 MSWHS_2937
MSJ : MSSAC_1390 MSSAC_4300
MSZ : MSSIH_1568 MSSIH_3802
MSW : MSSIT_1678 MSSIT_3879
MTHR : MSTHT_0838 MSTHT_1664
MTHE : MSTHC_1625 MSTHC_2433
MHOR : MSHOH_0117 MSHOH_2954
MFZ : AOB57_007440 AOB57_012310(hxlB)
MMET : MCMEM_0118 MCMEM_0644
MELO : J7W08_01295 J7W08_10660(hxlB)
MHAZ : BHR79_04305 BHR79_07435
MEV : Metev_0697 Metev_1774
MZH : Mzhil_0311 Mzhil_1920
MZI : HWN40_00620(hxlB) HWN40_01805
MHZ : Metho_0199 Metho_0283
MHU : Mhun_0647 Mhun_0910 Mhun_3031
MRTJ : KHC33_01740 KHC33_09160(hxlB) KHC33_10130
MEM : Memar_0706 Memar_0744 Memar_1507
MBG : BN140_0695(hps) BN140_1140 BN140_1177
MEMA : MMAB1_0908(hps) MMAB1_1456(hpsA) MMAB1_1494
MCHK : MchiMG62_08290 MchiMG62_08670 MchiMG62_16740(hxlB)
MSUM : OH143_01745(hxlB) OH143_10250 OH143_10440
MPI : Mpet_0160 Mpet_0679 Mpet_1329
MEND : L6E24_05200 L6E24_07265 L6E24_12570(hxlB)
MAQE : RJ40_01760(hxlB) RJ40_11130
MOU : OU421_07500(hxlB) OU421_09050 OU421_10910(hxlB)
MANQ : L1994_04215(hxlB) L1994_08160 L1994_10205(hxlB)
MFO : Metfor_1005 Metfor_1449 Metfor_2503
MELU : MTLP_11470 MTLP_12130
MEAM : MU439_04450(hxlB) MU439_06385
TAR : TALC_01384 TALC_01565
MAX : MMALV_14810 MMALV_16840
MER : MMINT_16580 MMINT_19420
MEAR : Mpt1_c00380(phi) Mpt1_c14440(faeB)
MEUZ : KRP56_00255 KRP56_07190
MARC : AR505_0014 AR505_0177
ACF : AciM339_0396 AciM339_0590
PDL : Pyrde_0680 Pyrde_1086
BARB : AOA66_0272(phi) AOA66_0495
» show all
Taxonomy
Reference
Authors
Ferenci T, Strom T, Quayle JR
Title
Purification and properties of 3-hexulose phosphate synthase and phospho-3-hexuloisomerase from Methylococcus capsulatus.
Journal
Reference
Authors
Yurimoto H, Kato N, Sakai Y
Title
Assimilation, dissimilation, and detoxification of formaldehyde, a central metabolic intermediate of methylotrophic metabolism.
Journal
Reference
Authors
Kato N, Yurimoto H, Thauer RK
Title
The physiological role of the ribulose monophosphate pathway in bacteria and archaea.
Journal
Reference
Authors
Orita I, Yurimoto H, Hirai R, Kawarabayasi Y, Sakai Y, Kato N
Title
The archaeon Pyrococcus horikoshii possesses a bifunctional enzyme for formaldehyde fixation via the ribulose monophosphate pathway.
Journal
Reference
Authors
Martinez-Cruz LA, Dreyer MK, Boisvert DC, Yokota H, Martinez-Chantar ML, Kim R, Kim SH
Title
Crystal structure of MJ1247 protein from M. jannaschii at 2.0 A resolution infers a molecular function of 3-hexulose-6-phosphate isomerase.
Journal
Sequence
Reference
Authors
Taylor EJ, Charnock SJ, Colby J, Davies GJ, Black GW
Title
Cloning, purification and characterization of the 6-phospho-3-hexulose isomerase YckF from Bacillus subtilis.
Journal
Other DBs
ExplorEnz - The Enzyme Database: 5.3.1.27
ExPASy - ENZYME nomenclature database: 5.3.1.27