Entry
Name
alpha-glucan, water dikinase;
starch-related R1 protein;
GWD
Class
Transferases;
Transferring phosphorus-containing groups;
Phosphotransferases with paired acceptors
BRITE hierarchy
Sysname
ATP:alpha-glucan, water phosphotransferase
Reaction(IUBMB)
ATP + alpha-glucan + H2O = AMP + phospho-alpha-glucan + phosphate
Substrate
Product
AMP [CPD:
C00020 ];
phospho-alpha-glucan;
phosphate [CPD:
C00009 ]
Comment
Requires Mg2+. ATP appears to be the only phosphate donor. No activity could be detected using GTP, UTP, phosphoenolpyruvate or diphosphate [1]. The protein phosphorylates glucans exclusively on O-6 of glucosyl residues [2]. The protein phosphorylates itself with the beta-phosphate of ATP, which is then transferred to the glucan [1].
History
EC 2.7.9.4 created 2002
Orthology
K08244 alpha-glucan, water dikinase
Genes
ATH : AT1G10760(SEX1) AT4G24450(PWD)
CSAT : 104717833 104722545 104731009 104739700 104755311 104769369
EUS : EUTSA_v10006565mg EUTSA_v10024230mg
BRP : 103843262 103862103 103868074
BNA : 106362429 106396511 106414946 106415012 106420118 106441996
BOE : 106310982 106311771 106311882
RSZ : 108812281 108841655 108862374
CIC : CICLE_v10017434mg CICLE_v10030499mg
MINC : 123203184 123215760
GRA : 105764286 105769431 105785797
GHI : 107916586 107922015 107928703 107946236 107957836
GAB : 108453377 108466924 108477593
HSYR : 120117972 120191059
DZI : 111288704 111312473 111317894
APRC : 113860239 113864516
LJA : Lj0g3v0159529.1(Lj0g3v0159529.1) Lj0g3v0189879.1(Lj0g3v0189879.1) Lj4g3v1083940.2(Lj4g3v1083940.2)
LANG : 109331535 109332623 109344243
PCIN : 129284624 129311467
QSA : O6P43_025263 O6P43_033193
PMUM : 103319462 103343604
PAVI : 110772115 110773586
PDUL : 117616811 117623123
MDM : 103403045 103441686 103452010
MSYL : 126597539 126607970 126632436
MESC : 110615518 110629693
PALZ : 118037876 118045453
CILL : 122309643 122315496
SIND : 105156630 105168286
SSPL : 121794734 121807794
SHIS : 125204595 125209815
ECAD : 122585534 122595098
CCAV : 112523494 112524196
DCR : 108200392 108202487 108209418
CSIN : 114267299 114286487
RVL : 131310144 131310209 131310210 131331977
NNU : 104591440(GWD) 104595539(GWD)
MING : 122075870 122079640
TSS : 122650154 122654309 122660975 122671543
PSOM : 113300111 113311087 113318435
DOSA : Os06t0498400-01(Os06g0498400)
TDC : 119287662 119332789 119337547 119349088
TAES : 100682431 123063719 123141038 123150853 123159617 123182695
LPER : 127311662 127316969
LRD : 124663081 124664458 124688391 124689381
SITA : 101772201 101776884
PVIR : 120669776 120703451
PHAI : 112889805 112894246
ZOF : 121989032 121997976 122019607 122024575
MSIN : 131228650 131235505
NCOL : 116260983 116265043
SMO : SELMODRAFT_233951 SELMODRAFT_266998 SELMODRAFT_432145
CRE : CHLRE_07g319300v5 CHLRE_07g319340v5
VCN : VOLCADRAFT_118653 VOLCADRAFT_120077
CSL : COCSUDRAFT_28229 COCSUDRAFT_38436 COCSUDRAFT_46323
CVR : CHLNCDRAFT_135335 CHLNCDRAFT_37464
APRO : F751_2603 F751_5717
OLU : OSTLU_25613 OSTLU_50201 OSTLU_88951
OTA : OT_ostta08g00830 OT_ostta13g01460 OT_ostta16g02150
BPG : Bathy04g00770 Bathy16g01770 Bathy17g01900
MIS : MICPUN_107266 MICPUN_57949(GWD1) MICPUN_86905(GWD3) MICPUN_96442(GWD2)
MPP : MICPUCDRAFT_44532(JGI:MicpuC2_44532) MICPUCDRAFT_47308(GWD1) MICPUCDRAFT_48104(GWD2) MICPUCDRAFT_48254(GWD3)
GTT : GUITHDRAFT_166257 GUITHDRAFT_62607 GUITHDRAFT_72452
» show all
Taxonomy
Reference
Authors
Ritte G, Lloyd JR, Eckermann N, Rottmann A, Kossmann J, Steup M
Title
The starch-related R1 protein is an alpha -glucan, water dikinase.
Journal
Sequence
Reference
Authors
Ritte G, Heydenreich M, Mahlow S, Haebel S, Kotting O, Steup M.
Title
Phosphorylation of C6- and C3-positions of glucosyl residues in starch is catalysed by distinct dikinases.
Journal
Other DBs
ExplorEnz - The Enzyme Database: 2.7.9.4
ExPASy - ENZYME nomenclature database: 2.7.9.4
BRENDA, the Enzyme Database: 2.7.9.4