Entry
Name
homogentisate phytyltransferase;
HPT;
VTE2 (gene name)
Class
Transferases;
Transferring alkyl or aryl groups, other than methyl groups;
Transferring alkyl or aryl groups, other than methyl groups (only sub-subclass identified to date)
BRITE hierarchy
Sysname
phytyl-diphosphate:homogentisate phytyltransferase
Reaction(IUBMB)
phytyl diphosphate + homogentisate = diphosphate + 2-methyl-6-phytylbenzene-1,4-diol + CO2 [RN:
R07500 ]
Reaction(KEGG)
Substrate
Product
diphosphate [CPD:
C00013 ];
2-methyl-6-phytylbenzene-1,4-diol [CPD:
C15882 ];
CO2 [CPD:
C00011 ]
Comment
Requires Mg2+ for activity [3]. Involved in the biosynthesis of the vitamin E tocopherols. While the enzyme from the cyanobacterium Synechocystis PCC 6803 has an appreciable activity with geranylgeranyl diphosphate (EC
2.5.1.116 , homogentisate geranylgeranyltransferase), the enzyme from the plant Arabidopsis thaliana has only a low activity with that substrate [1,3,4].
History
EC 2.5.1.115 created 2014
Pathway
ec00130 Ubiquinone and other terpenoid-quinone biosynthesis
ec01110 Biosynthesis of secondary metabolites
Orthology
K09833 homogentisate phytyltransferase / homogentisate geranylgeranyltransferase
Genes
CSAT : 104700961 104747741 104767264 104767267
CPAP : 110811069 110820895
CIT : 102608087 102608968 102609326 102610771 102613589 102614431 102614532 102614569 102615381 102617448 102617831 102618022 102618067 102618351 102618884 102619418 102623927 102625279 102630921 107176028 112497119 112498822 112498888 112499536
CIC : CICLE_v10001398mg CICLE_v10003300mg CICLE_v10004028mg CICLE_v10005871mg CICLE_v10008442mg CICLE_v10008503mg CICLE_v10008872mg CICLE_v10009274mg CICLE_v10010224mg CICLE_v10010546mg CICLE_v10010573mg CICLE_v10010789mg CICLE_v10017775mg CICLE_v10018121mg CICLE_v10027291mg CICLE_v10027365mg CICLE_v10031740mg CICLE_v100327301m CICLE_v10033551mg
PVY : 116114802 116114832 116119517 116119520 116138172
MINC : 123194989 123200832 123206129
HSYR : 120116554 120117572 120164780 120165207
GMX : 100301896(G4DT) 100777408(PT10B) 100777517(PT01) 100777935(PT10D) 100778084 100786181(PT11A) 100786739 100787246(PT11C) 100787771(PT11B) 100809827(PT03) 100812378(G2DT) 100819685(VTE2-1) 732648(HPT1)
GSJ : 114369277 114370024 114370328 114370845 114380950 114382242 114382243 114382547 114392266 114403916 114405649 114417018 114424576
PVU : 137807319 137819437 137828278 137828446 137829427 137829429 137829430 137830338
VRA : 106755177 106755178 106755189 106755193 106755196 106768988 106770232 106770233 106770235 106770239 106770244 106770249 106770250 106770252 106771301 106771454 106771704 106779908 106780050 106780051
VAR : 108322189 108322537 108324509 108324510 108324512 108324513 108324514 108324515 108324517 108324519 108324521 108325334 108325650 108325763
VUN : 114166371 114167335 114175608 114189465 114189466 114189467 114189468 114190375 114190504 114190505 114190554 114192583 114192765
VUM : 124821548 124821741 124821894 124822627 124825735 124829130 124833116 124833983 124833984 124833985 124835144 124840889 124841787 124843009 124846378 124848603
CCAJ : 109791030 109791554 109791815 109792084 109792131 109792275 109792904 109795581 109802283 109806854 109814853 109814854 109815140 109818324 109818329
APRC : 113845942 113868741
LJA : 130710157 130722129 130731642 130733825 130733826 130733829 130733866 130747238 130747322
ADU : 107460208 107462705 107462706 107462797 107462798 107462801 107462854 107462856 107462886 107473062 107483497 107488249 127741135 127741272
AIP : 107611433 107611439 107613081 107613594 107614303 107614405 107624847 107642500 107646183 107646191 110266040
AHF : 112697918 112705387 112707566 112707567 112707569 112707570 112707571 112707661 112710990 112720242 112720245 112720246 112723572 112769080 112770351 112770354 112771257 112771258 112771259 112772563 112773029 112773196 112773269 112790139 112790167 112790178 114924330 114924763
LANG : 109329674 109330257 109330259 109330260 109339484 109342123 109345051 109347120 109355698 109359165 109359166 109361934
AANS : 126784468 126790631
PMUM : 103320912 103323537
PAVI : 110753464 110762569
PDUL : 117615596 117618110
MDM : 103440854 103453838 103453843
MSYL : 126597472 126607906 126631858
PCOX : 137718117 137732279 137737524
CSAV : 115697044 115725380
CMAX : 111468615 111492342
CMOS : 111436184 111444351
CPEP : 111786258 111798810 111806101
HBR : 110635723 110641326 110662933
MESC : 110603510 110617361
PALZ : 118051289 118051583
CILL : 122315331 122318015
CAVE : 132190167 132190365
AGLU : 133870599 133870730
VVI : 100232967(HGGT) 100257787
SPEN : 107024007 107028106
SSTN : 125842850 125877793
SDUL : 129889092 129891183
NTA : 107761331 107762790 107763873 107769769
SIND : 105155709 105162836
SSPL : 121746567 121751031 121804873
APAN : 127256728 127263803
HAN : 110875595 110877485 110883007 110883031 110886147 110894007 110901342 110901343
ECAD : 122595497 122597626 122597627 122598875 122608611
LSV : 111897952 111906151 111906153 111906157 111913868 111914015 111917917
DCR : 108197709 108197735 108198300 108198922 108199087 108199988 108200042 108200043 108207059 108208293 108208950 108223968 108226481
CSIN : 114266844 114275415 114295325
RVL : 131316876 131317768 131320905
AEW : 130782576 130785294 130793522
CQI : 110690856 110692271 110704786 110706467 110733734 110734883
ATRI : 130814799 130815201
MING : 122063411 122071717 122071803 122072625 122075717 122083709 122093628
TSS : 122649845 122654634 122657820 122659397 122661786
PSOM : 113299270 113355629 113358337
OSA : 4341663(HGGT) 4341724 4341727(HPT1)
TDC : 119333974 119338341 119340497 119365656
TAES : 123149361 123165791 123166512 543094 780685
LPER : 127311766 127313132
LRD : 124684342 124684559 124684572 124684573 124701135
ZMA : 100192568 103638712 103651727 732789
MFLO : 136525223 136529103 136541293 136541384
SITA : 101759318 101784031
PVIR : 120669429 120670931 120671478 120702243 120704939
PHAI : 112889148 112890206
PAUA : 133883418 133927119 133927158
ZOF : 122019716 122026368 122027180 122028856 122028881
DCT : 110092574 110114682 110114683
AOF : 109839507 109839522 109843662
MSIN : 131216932 131217194 131257007 131257009 131257010
ACAK : 137945771 137950345
SMO : SELMODRAFT_34021 SELMODRAFT_34027
PPP : 112284137 112289018 112295124
FCY : FRACYDRAFT_291522(VTE2)
EHX : EMIHUDRAFT_55059 EMIHUDRAFT_56139
SYP : SYNPCC7002_A0703(hggT)
SYNN : NIES970_03360(hggT)
NON : NOS3756_12030(ubiA_1)
NCW : NIES2107_67600(ubiA_2)
CALN : NIES2098_40960(ubiA_2)
MDP : NIES3275_39280(ubiA)
TTQ : NIES37_61200(ubiA_2)
ALAX : NIES50_25370(ubiA_2)
» show all
Taxonomy
Reference
Authors
Collakova E, DellaPenna D
Title
Isolation and functional analysis of homogentisate phytyltransferase from Synechocystis sp. PCC 6803 and Arabidopsis.
Journal
Sequence
Reference
Authors
Savidge B, Weiss JD, Wong YH, Lassner MW, Mitsky TA, Shewmaker CK, Post-Beittenmiller D, Valentin HE
Title
Isolation and characterization of homogentisate phytyltransferase genes from Synechocystis sp. PCC 6803 and Arabidopsis.
Journal
Sequence
Reference
Authors
Sadre R, Gruber J, Frentzen M
Title
Characterization of homogentisate prenyltransferases involved in plastoquinone-9 and tocochromanol biosynthesis.
Journal
Sequence
Reference
Authors
Yang W, Cahoon RE, Hunter SC, Zhang C, Han J, Borgschulte T, Cahoon EB
Title
Vitamin E biosynthesis: functional characterization of the monocot homogentisate geranylgeranyl transferase.
Journal
Other DBs
ExPASy - ENZYME nomenclature database: 2.5.1.115
LinkDB
All DBs