Entry
Name
3-hexulose-6-phosphate synthase;
D-arabino-3-hexulose 6-phosphate formaldehyde-lyase;
3-hexulosephosphate synthase;
3-hexulose phosphate synthase;
HPS
Class
Lyases;
Carbon-carbon lyases;
Aldehyde-lyases
BRITE hierarchy
Sysname
D-arabino-hex-3-ulose-6-phosphate formaldehyde-lyase (D-ribulose-5-phosphate-forming)
Reaction(IUBMB)
D-arabino-hex-3-ulose 6-phosphate = D-ribulose 5-phosphate + formaldehyde [RN:
R05338 ]
Reaction(KEGG)
Substrate
D-arabino-hex-3-ulose 6-phosphate [CPD:
C06019 ]
Product
D-ribulose 5-phosphate [CPD:
C00199 ];
formaldehyde [CPD:
C00067 ]
Comment
Requires Mg2+ or Mn2+ for maximal activity [1]. The enzyme is specific for D-ribulose 5-phosphate as substrate as ribose 5-phosphate, xylulose 5-phosphate, allulose 6-phosphate and fructose 6-phosphate cannot act as substrate. In addition to formaldehyde, the enzyme can also use glycolaldehyde and methylglyoxal [7]. This enzyme, along with EC
5.3.1.27 , 6-phospho-3-hexuloisomerase, 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 this enzyme and EC
5.3.1.27 , 6-phospho-3-hexuloisomerase [6]. This enzyme is a member of the orotidine 5'-monophosphate decarboxylase (OMPDC) suprafamily [5].
History
EC 4.1.2.43 created 2008
Pathway
ec01120 Microbial metabolism in diverse environments
Orthology
K08093 3-hexulose-6-phosphate synthase
K13812 bifunctional enzyme Fae/Hps
K13831 3-hexulose-6-phosphate synthase / 6-phospho-3-hexuloisomerase
Genes
MCA : MCA2738 MCA3043 MCA3049
METU : GNH96_02035(hxlA) GNH96_02065(hxlA) GNH96_04130(hxlA)
MMEO : OOT43_13075(hxlA) OOT43_14695(hxlA)
MMT : Metme_0742 Metme_4080
MDN : JT25_012675 JT25_012930
MDH : AYM39_02470 AYM39_02740
MKO : MKLM6_0536 MKLM6_0590
MPAD : KEF85_01965(hxlA) KEF85_12785(hxlA)
MRP : NM686_001835(hxlA) NM686_019235(hxlA)
MAH : MEALZ_1912(hpsi2) MEALZ_3953(hps1)
MPSY : CEK71_00435(hxlA) CEK71_18985
MMOB : F6R98_00315(hxlA) F6R98_00325(hxlA)
MOZ : MoryE10_01110 MoryE10_06560 MoryE10_07570
MEJ : Q7A_2498(hxlA) Q7A_2501(hxlA)
MPIN : LGT42_003280(hxlA) LGT42_003295(hxlA)
MMAF : GCM100_18860(hxlA_1) GCM100_18890(hxlA_2)
MEP : MPQ_0281(sgbH) MPQ_1561
MBAC : BN1209_0202(rmpA) BN1209_0771(rmpA)
MEU : ACJ67_02420 ACJ67_07420
MPAU : ZMTM_02460 ZMTM_11880
BAZ : BAMTA208_01555(hxlA)
BSON : S101395_01722(hxlA)
BIF : N288_21395 N288_22430
BFD : NCTC4823_01217(hxlA_1) NCTC4823_03793(hxlA_2)
BACA : FAY30_22685 FAY30_23225(hxlA)
BCIR : C2I06_12975(hxlA) C2I06_17420
BMQ : BMQ_0891(hxlA) BMQ_1538(hxlA) BMQ_2942(hxlA)
BMD : BMD_0891(hxlA) BMD_1519(hxlA) BMD_2971(hxlA)
BMH : BMWSH_3691 BMWSH_4350(hxlA)
BMEG : BG04_3186(hxlA) BG04_3830(hxlA) BG04_4896(hxlA) BG04_5472 BG04_5588(hxlA) BG04_5930(hxlA)
BFX : BC359_14510 BC359_19735
BKW : BkAM31D_07120(hxlA_1) BkAM31D_16315(hxlA_2)
BON : A361_15685 A361_15780 A361_26060
CGOT : J1899_06860 J1899_20250 J1899_21665(hxlA)
CFIR : NAF01_02050 NAF01_14215(hxlA)
OON : NP440_00980(hxlA) NP440_16420(hxlA)
GEA : GARCT_00704(hxlA_1) GARCT_02004(hxlA_2)
PARG : PspKH34_30140(hxlA)
ACAI : ISX45_01330(hxlA) ISX45_06735
FEC : QNH15_11620 QNH15_16515 QNH15_20745(hxlA)
PPSR : I6J18_02975(hxlA) I6J18_08150(hxlA)
NDT : L1999_02995 L1999_22990(hxlA)
NCM : QNK12_20395 QNK12_22135(hxlA)
MEKU : HUW50_04030(hxlA) HUW50_16935
MDG : K8L98_13980(hxlA) K8L98_15450
MLIT : KDJ21_025570(hxlA) KDJ21_026155(hxlA)
BLEN : NCTC4824_00834(hxlA_1) NCTC4824_02164(hxlA_2)
SEDD : ERJ70_14580 ERJ70_18455(hxlA)
BVQ : FHE72_04710 FHE72_17335(hxlA)
PHJ : LC071_09115(hxlA) LC071_13710(hxlA)
DOM : RRU94_05940(hxlA) RRU94_11550(hxlA) RRU94_24155(hxlA)
PUK : PU629_11120(hxlA) PU629_11395
SAH : SaurJH1_0607 SaurJH1_2812
SAJ : SaurJH9_0593 SaurJH9_2736
SUQ : HMPREF0772_12618(hxlA)
SSP : SSP1619 SSP1626 SSP2148
SDP : NCTC12225_02420(hxlA)
SWA : A284_00525 A284_10445 A284_12317
SCAR : DWB96_11675(hxlA) DWB96_13070(hxlA)
SPIC : SAMEA4384060_1853 SAMEA4384060_2297
SDB : CNQ82_05285(hxlA) CNQ82_12845(hxlA)
SCAQ : QMO72_11445(hxlA) QMO72_13360 QMO72_13455(hxlA)
SHV : AAT16_06530 AAT16_11280
PPQ : PPSQR21_049250(sgbH)
PSAB : PSAB_01345 PSAB_23295
PDU : PDUR_01610 PDUR_26635
PSTE : PSTEL_02005 PSTEL_26045
PBJ : VN24_01055 VN24_04705
PRI : PRIO_3567 PRIO_6499(hxlA)
PNP : IJ22_01440 IJ22_02540 IJ22_02590 IJ22_07980
PBV : AR543_06015 AR543_17150
PALB : EJC50_17680 EJC50_19855(hxlA)
PCHI : PC41400_00765(hxlA)
PRZ : GZH47_09140(hxlA) GZH47_10845
PLYC : GXP70_05785 GXP70_07130(hxlA)
PSOP : KP014_02000(hxlA) KP014_04755
PKA : PQ456_03510 PQ456_14780(hxlA)
PUI : PUW25_10540(hxlA) PUW25_26985(hxlA)
PMAE : LMZ02_07715(hxlA) LMZ02_12175(hxlA)
PSPN : L1F29_07045(hxlA) L1F29_21075
ADAU : NZD86_18890(hxlA) NZD86_23130(hxlA)
AFAS : NZD89_03510(hxlA) NZD89_04475 NZD89_05660(hxlA) NZD89_15165
PANA : BBH88_04830 BBH88_17520
PLX : CW734_09535(hxlA) CW734_13380(hxlA)
LKL : DKL58_01400 DKL58_07350
LCW : BN194_04270 BN194_04560
LCB : LCABL_04190 LCABL_04490(hps)
WCB : AO080_07995 AO080_11070
EGV : EGCR1_00760(hxlA) EGCR1_06790
EAV : EH197_05785(hxlA) EH197_09440(hxlA) EH197_17130
ERAF : J9537_02595(hxlA) J9537_09055
AUR : HMPREF9243_0240(hxlA)
AMIT : DBT49_0008965(hxlA)
ARF : AR1Y2_1706 AR1Y2_3086 AR1Y2_3232
ACAC : EYQ97_01665(hxlA) EYQ97_02425(hxlA) EYQ97_09120(hxlA)
AARG : Aargi30884_01890 Aargi30884_03610 Aargi30884_04650(hxlA)
ABSI : A9CBEGH2_06030(hxlA)
ERB : A4V01_02795 A4V01_05815 A4V01_19475
CIU : G4D55_04125(hxlA) G4D55_16760(hxlA) G4D55_20095
MDX : BTO20_03345 BTO20_30245
MAUB : MAUB_30940 MAUB_31120
MMAT : MMAGJ_12220 MMAGJ_74070(hxlA)
CCYC : SCMU_00950 SCMU_40760(hxlA)
RKO : JWS14_16845 JWS14_41255
MICR : BMW26_14455 BMW26_16485
ARE : AL755_02190 AL755_14010
ARQ : BWQ92_06605 BWQ92_09770 BWQ92_12695
SATK : SA2016_1326 SA2016_3449 SA2016_3840 SA2016_3841
PAUS : NCTC13651_01296(hxlA)
AMQ : AMETH_4519(hps) AMETH_4538(hps)
PSEE : FRP1_13235 FRP1_13275
PSEQ : AD006_20915 AD006_20955
PECQ : AD017_00495 AD017_00535
STR : Sterm_1849 Sterm_3212
AALG : AREALGSMS7_04556(hxlA)
DPB : BABL1_gene_664(hxlA)
MFE : Mefer_0259 Mefer_1012
MVU : Metvu_0541 Metvu_1176
MFS : MFS40622_0906 MFS40622_1056
MIF : Metin_1286 Metin_1445
MJH : JH146_0570 JH146_0865
MESG : MLAUSG7_0043 MLAUSG7_1449(fae-hps)
MESA : MLASG1_0987(fae-hps) MLASG1_1223
MIG : Metig_0604 Metig_0664
MOK : Metok_0605 Metok_1249
METF : CFE53_02965 CFE53_04300
MMG : MTBMA_c00570(fae_hps) MTBMA_c12830
MWO : MWSIV6_0011(fae-hps) MWSIV6_1262(hpsA)
MTEE : MTTB_00460 MTTB_04920
METC : MTCT_0805 MTCT_1339
METE : tca_00853(proA) tca_01421(fae)
METZ : METMT2_0957 METMT2_1368
METK : FVF72_04250 FVF72_07115
MTHM : FZP57_00015 FZP57_06005
METB : AW729_07875 AW729_08735
MEYE : TL18_02745 TL18_10355
MARO : MarbSA_11880 MarbSA_18020
METV : K4897_02645 K4897_05320
MEL : Metbo_0071 Metbo_2333
MEW : MSWAN_0017 MSWAN_0326
METH : MBMB1_0009(fae-hps) MBMB1_0388
MFI : DSM1535_0057 DSM1535_1378(fae-hps)
MCUB : MCBB_0021(fae-hps_1)
MSUB : BK009_09760 BK009_12115
METN : BK008_05430 BK008_07745
METT : CIT01_02340 CIT01_05685(fae)
METO : CIT02_04870 CIT02_07030(fae)
MEME : HYG87_03735 HYG87_06650
MKA : MK0153(sgbH) MK1449(menG)
AFG : AFULGI_00009430 AFULGI_00014160
APO : Arcpr_1052 Arcpr_1797
AVE : Arcve_1411 Arcve_1683
AST : Asulf_00326 Asulf_01087
MBA : Mbar_A0935 Mbar_A1170
MBY : MSBRM_0067 MSBRM_3392
MBW : MSBRW_0061 MSBRW_3553
MBAR : MSBR2_2313 MSBR2_3345
MBAK : MSBR3_2375 MSBR3_3372
MMAZ : MmTuc01_1255 MmTuc01_1325
MMJ : MSMAS_0037 MSMAS_0097
MMAC : MSMAC_0037 MSMAC_0105
MVC : MSVAZ_0074 MSVAZ_0103
MEK : MSKOL_0070 MSKOL_0099
MLS : MSLAZ_0035 MSLAZ_3053
METM : MSMTP_0040 MSMTP_0201
MEF : MSWH1_0036 MSWH1_3047
MEQ : MSWHS_0037 MSWHS_1919
MSJ : MSSAC_0046 MSSAC_4300
MSZ : MSSIH_0039 MSSIH_3802
MSW : MSSIT_0039 MSSIT_3879
MTHR : MSTHT_1664 MSTHT_1787
MTHE : MSTHC_1499 MSTHC_1625
MHOR : MSHOH_0037 MSHOH_0117
MFZ : AOB57_007440 AOB57_008160
MMET : MCMEM_0222 MCMEM_0644
MELO : J7W08_01295 J7W08_11180
MHAZ : BHR79_02340 BHR79_07435
MEV : Metev_0697 Metev_1698
MZH : Mzhil_0262 Mzhil_0311
MZI : HWN40_01665 HWN40_01805
MHZ : Metho_0261 Metho_0283
MEHF : MmiHf6_08380(ulaD_1) MmiHf6_11280(ulaD_2)
MEES : MmiEs2_03010(rraA) MmiEs2_13960(ulaD)
MRTJ : KHC33_06360 KHC33_10130
MEM : Memar_0744 Memar_1085
MBG : BN140_1075 BN140_1140
MEMA : MMAB1_1386(fae-hps) MMAB1_1456(hpsA)
MCHK : MchiMG62_08670 MchiMG62_12270(fae)
MSUM : OH143_10440 OH143_12150
MRC : R6Y96_06135(hxlA) R6Y96_06510
MEND : L6E24_05200 L6E24_11130
MAQE : RJ40_03655 RJ40_11130
MOU : OU421_09050 OU421_12595
MANQ : L1994_03250 L1994_08160
MFO : Metfor_2057 Metfor_2503
MPD : MCP_0861 MCP_2904(fae_hps)
MEZ : Mtc_0381(fae) Mtc_1411
RCI : RCIX1492 RCIX775(fae-hps)
MELU : MTLP_05990(fae_1) MTLP_12130
MEAM : MU439_01845 MU439_06385
MEAE : QEN48_00515 QEN48_03760
BARC : AOA65_1083(faeB-hpsB)
BARB : AOA66_0495 AOA66_1278
FLT : Sv326_0214 Sv326_0884
LOKI : Lokiarch_06870 Lokiarch_17920 Lokiarch_47420
PSYT : DSAG12_03237(faeB-hpsB)
» 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
Kato N, Ohashi H, Tani Y, Ogata K
Title
3-Hexulosephosphate synthase from Methylomonas aminofaciens 77a. Purification, properties and kinetics.
Journal
Reference
Authors
Yanase H, Ikeyama K, Mitsui R, Ra S, Kita K, Sakai Y, Kato N
Title
Cloning and sequence analysis of the gene encoding 3-hexulose-6-phosphate synthase from the methylotrophic bacterium, Methylomonas aminofaciens 77a, and its expression in Escherichia coli.
Journal
Sequence
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
Sequence
Reference
7
Authors
Kato, N., Miyamoto, N., Shimao, M. and Sakazawa, C.
Title
3-Hexulose phosphate pynthase from a new facultative methylotroph, Mycobacterium gastri MB19.
Journal
Agric Biol Chem 52:2659-2661 (1988)
Other DBs
ExplorEnz - The Enzyme Database: 4.1.2.43
ExPASy - ENZYME nomenclature database: 4.1.2.43