Entry
Name
N-terminal E2 ubiquitin-conjugating enzyme;
Ube2w;
N-terminal ubiquitin-conjugating enzyme E2
Class
Transferases;
Acyltransferases;
Aminoacyltransferases
BRITE hierarchy
Sysname
S-ubiquitinyl-[E1 ubiquitin-activating enzyme]-L-cysteine:acceptor protein ubiquitin ligase (peptide bond-forming)
Reaction(IUBMB)
S-ubiquitinyl-[E1 ubiquitin-activating enzyme]-L-cysteine + [acceptor protein]-N-terminal-amino acid = [E1 ubiquitin-activating enzyme]-L-cysteine + N-terminal-ubiquitinyl-[acceptor protein] (overall reaction);
(1a) S-ubiquitinyl-[E1 ubiquitin-activating enzyme]-L-cysteine + [N-terminal E2 ubiquitin-conjugating enzyme]-L-cysteine = [E1 ubiquitin-activating enzyme]-L-cysteine + S-ubiquitinyl-[N-terminal ubiquitin-conjugating enzyme]-L-cysteine;
(1b) S-ubiquitinyl-[N-terminal E2 ubiquitin-conjugating E2 enzyme]-L-cysteine + [acceptor protein]-N-terminal-amino acid = [N-terminal E2 ubiquitin-conjugating enzyme]-L-cysteine + N-ubiquitinyl-[acceptor protein]-N-terminal amino acid
Substrate
S-ubiquitinyl-[E1 ubiquitin-activating enzyme]-L-cysteine;
[acceptor protein]-N-terminal-amino acid;
[N-terminal E2 ubiquitin-conjugating enzyme]-L-cysteine;
S-ubiquitinyl-[N-terminal E2 ubiquitin-conjugating E2 enzyme]-L-cysteine
Product
[E1 ubiquitin-activating enzyme]-L-cysteine;
N-terminal-ubiquitinyl-[acceptor protein];
S-ubiquitinyl-[N-terminal ubiquitin-conjugating enzyme]-L-cysteine;
[N-terminal E2 ubiquitin-conjugating enzyme]-L-cysteine;
N-ubiquitinyl-[acceptor protein]-N-terminal amino acid
Comment
The enzyme ubiquitinylates the N-terminus of the acceptor protein. It is not reactive towards free lysine.
History
EC 2.3.2.25 created 2015
Orthology
K10688 ubiquitin-conjugating enzyme E2 W
Genes
LCAT : 123644931(UBE2W) 123646218
PCOQ : 105817787 105825351(UBE2W)
RNO : 100909445(Ube2w) 120099165(Ube2wl1)
MLX : 118014928(UBE2W) 118026245
NSU : 110579096(UBE2W) 123326503
EFUS : 103293939(UBE2W) 103302131 129149310
PHAS : 123819125 123825781(UBE2W)
PPAM : 129065755 129088315(UBE2W)
SETR : 126020388(UBE2W) 126020972
DNM : 101416427(UBE2W) 101443555
XLA : 108695347(ube2w.S) 108705626 121394743
DRE : 553013(ube2wa) 692325(ube2wb)
SRX : 107725703 107732582 107751351 107754202
SANH : 107657829 107664038 107686032 107691409
SGH : 107550716 107585923 107589971
CCAR : 109062478 109077625 109085092 109105955
CAUA : 113042320 113045543 113045584 113066087 113117746 113117768
CGIB : 127946585 127950769 128013426 128029724
PTET : 122329409(ube2wb) 122355470(ube2wa)
LROH : 127154410(ube2wa) 127155875(ube2wb)
OMC : 131524313(ube2wa) 131533507(ube2wb)
PPRM : 120475897(ube2wb) 120482502(ube2wa)
RKG : 130087693(ube2wb) 130101673(ube2wa)
MAMB : 125251079(ube2wa) 125257534(ube2wb)
CIDE : 127501004 127506392
MASI : 127431434 127434332 127440501 127442258
TROS : 130547422(ube2wb) 130554013(ube2wa)
TDW : 130413382(ube2wb) 130417796(ube2wa)
MANU : 129425605(ube2wb) 129442142(ube2wa)
IPU : 108256706(ube2wb) 108280505(ube2wa)
IFU : 128599887(ube2wb) 128624397(ube2wa)
PHYP : 113541067(ube2w) 113543281
SMEO : 124375577(ube2wb) 124403012(ube2wa)
TFD : 113636896 113636898 113636899 113636900 113640296(ube2wa) 113660621(ube2wb) 125139955
TVC : 132840405(ube2wb) 132842826 132842887 132842900 132842908 132842916 132842921 132847794(ube2wa) 132856680 132857787
AMEX : 103024049 103034207
CMAO : 118797089(ube2w) 118799064(flj11011l)
TBEN : 117484053(flj11011l)
PGEO : 117465717(flj11011l)
ELY : 117264823(flj11011l)
SLUC : 116037939(flj11011l)
ECRA : 117937925(flj11011l)
PPUG : 119198523(flj11011l)
CLUM : 117749417(flj11011l)
MSAM : 119909158(flj11011l)
ALAT : 119008846(flj11011l)
OML : 112151382(flj11011l)
CTUL : 119772309(flj11011l)
KMR : 108230264(flj11011l)
HHIP : 117753676(flj11011l)
SASA : 106579737(ube2w) 106591739
STRU : 115149042(ube2w) 115195325
OTW : 112236392(ube2wb) 112240730
OMY : 100305246(ube2w) 110535176(flj11011l)
OGO : 123991444(ube2wb) 124039447
SNH : 120027615(flj11011l)
CCLU : 121555304 121569964(ube2wb)
AANG : 118225846(flj11011l) 118234563(ube2w)
PSPA : 121307987 121313409 121314357
ARUT : 117400400 117435414(flj11011l)
DSI : Dsimw501_GD10753(Dsim_GD10753)
SCAC : 106080679 106080683 106080694
AALB : 109417952 109426840
CQU : CpipJ_CPIJ009955 CpipJ_CPIJ015851
FEX : 115233842 115233843 115233845
API : 100161121 100165321 100167313 100570490 100575714
AGS : 114128758 114128759 114129266
PPOI : 119105914 119106408
CSCU : 111616631 111629160
LPOL : 106462144 106473838
CEL : CELE_Y54E5B.4(ubc-16)
CBR : CBG_19703(Cbr-ubc-16)
BMY : BM_BM6791(Bma-ubc-16)
ATEN : 116297191 116298845
ATH : AT1G45050(ATUBC2-1) AT1G75440(UBC16) AT4G36410(UBC17) AT5G42990(UBC18)
ALY : 110230768 9299780 9303090
CRB : 17874804 17879861 17894176
CSAT : 104702291 104713197 104716493 104721132 104725173 104751418 104760657 104771441 104784521 109124420
EUS : EUTSA_v10003273mg EUTSA_v10011837mg EUTSA_v10019254mg EUTSA_v10026441mg
BRP : 103831997 103839263 103854364 103862470 103868454 103868723
BNA : 106369853 106370036 106374319 106397105 106405958 106406056 106407062 106415585 106447063 106451961 106453810 111209356 125594216
BOE : 106296583 106298499 106300566 106301778 106316257 106344066
RSZ : 108817876 108826201 108840445 108856813 130504500
THJ : 104804248 104809296 104813814 104814151 104822837
CPAP : 110822177 110822179
CIC : CICLE_v10002737mg CICLE_v10026664mg
PVY : 116118939 116127481 116127567
MINC : 123198630 123202631 123219830 123229747
GRA : 105763248 105770470 105784905 105787505
GHI : 107905467 107909427 107918005 107934253 107935354 107936522 107945821 107957952
GAB : 108454520 108470168 108477213 108480366
HSYR : 120126460 120126904 120130636 120152319 120156794 120160861 120183793 120195286 120198396
DZI : 111292136 111300066 111312757 111315326 111317215
TPRA : 123910395 123920659
LANG : 109332035 109332931 109348712
QSA : O6P43_024823 O6P43_033650
PMUM : 103321324 103340151
PAVI : 110771545 110774227
PDUL : 117615296 117615297 117635636
MDM : 103400842 103415945 103428606 103450430
MSYL : 126590645 126602547 126604234 126631120
CMAX : 111481748 111483386
CMOS : 111436055 111447396
CPEP : 111778286 111810876
HBR : 110632616 110639582 110668541
MESC : 110601618 110609601 110614461
POP : 18099237 7471931 7477635 7480148
PEU : 105126645 105128562 105128788 105142747
PALZ : 118030010 118052774 118062102 118063088
JRE : 108991400 108992031 108992052
CILL : 122314836 122315415 122315416
CAVE : 132168730 132190438
QLO : 115950665 115963937 115974408
TWL : 119997057 120000486 120008616 120015148 120016796
SPEN : 107008819 107015904 114076929
SSTN : 125849559 125855071
SDUL : 129873883 129904187
CANN : 107860017 107866954
NTA : 107759180 107769767 107776491 107796639 107799066 107824081 107824880
NSY : 104213286 104222292 104227774
NTO : 104095521 104099541 104103454
NAU : 109210585 109215162 109241316
SIND : 105159308 105166086
OEU : 111374534 111376259 111388497 111401306
SSPL : 121756294 121758839 121802639 121804424 121808598 121810085
SMIL : 130986596 130986600
SHIS : 125198674 125218550
APAN : 127246889 127256920
HAN : 110878865 110879588 110889468 110909006
ECAD : 122587287 122589715 122603947
LSV : 111881613 111913121 111913332
CCAV : 112510107 112515790 112516026
DCR : 108211081 108216234 108224932
CSIN : 114255974 114292554 114310466 114315268
AEW : 130758524 130783684 130785405 130786801 130787850
CQI : 110682552 110685857 110723285
ATRI : 130808140 130820909
MING : 122073889 122091038
PSOM : 113288711 113288754 113349812 113357704
DOSA : Os03t0681400-01(Os03g0681400) Os12t0636800-01(Os12g0636800)
TDC : 119287069 119294650 119294651 119298748 119306984
TAES : 123087280 123089894 123090677 123095689 123101947 123110067 123119069
LPER : 127293453 127299029
LRD : 124651846 124651847 124654593 124703843
ZMA : 100193523 100272309 100280549 100282569
SITA : 101757555 101785896
PVIR : 120648336 120667087 120691040 120700257
PHAI : 112874996 112887215
PDA : 103710168 103712016 103723967
EGU : 105034324 105042247 105053327 105053456
MUS : 103983128 103989436 103997582 103998935
ZOF : 121980994 121984881 122001532 122005829 122010426 122017018 122050914 122055492
DCT : 110095511 110103836 110110478
AOF : 109834079 109835275 109849453
MSIN : 131232655 131248892
NCOL : 116256377 116266408
SMO : SELMODRAFT_159187(UBC15-2) SELMODRAFT_172555(UBC16-2) SELMODRAFT_268066(UBC16-1) SELMODRAFT_270987(UBC15-1)
CAL : CAALFM_C210580WA(UBC15)
NTE : NEUTE1DRAFT90783(NEUTE1DRAFT_90783)
CCAC : CcaHIS019_0210930(CcaverHIS019_0210930)
HIR : HETIRDRAFT_145590(ubc2)
ABP : AGABI1DRAFT81426(AGABI1DRAFT_81426)
ABV : AGABI2DRAFT189796(AGABI2DRAFT_189796)
SCM : SCHCO_02609213(SCHCODRAFT_02609213)
PTM : GSPATT00016175001 GSPATT00030369001 GSPATT00032900001 GSPATT00034321001
SMIN : v1.2.018903.t1(symbB.v1.2.018903.t1)
» show all
Taxonomy
Reference
Authors
Breitschopf K, Bengal E, Ziv T, Admon A, Ciechanover A
Title
A novel site for ubiquitination: the N-terminal residue, and not internal lysines of MyoD, is essential for conjugation and degradation of the protein.
Journal
Reference
Authors
Tatham MH, Plechanovova A, Jaffray EG, Salmen H, Hay RT
Title
Ube2W conjugates ubiquitin to alpha-amino groups of protein N-termini.
Journal
Sequence
Reference
Authors
Scaglione KM, Basrur V, Ashraf NS, Konen JR, Elenitoba-Johnson KS, Todi SV, Paulson HL
Title
The ubiquitin-conjugating enzyme (E2) Ube2w ubiquitinates the N terminus of substrates.
Journal
Sequence
Other DBs
ExplorEnz - The Enzyme Database: 2.3.2.25
ExPASy - ENZYME nomenclature database: 2.3.2.25